A planar intelligent roller conveyor for an elevator

Abstract

The present application relates to the technical field of conveying device, disclose a kind of plane intelligent roller conveyor for elevator, including folding roller conveyor, folding roller conveyor further includes lifting feeder, lifting feeder includes lifting structure and limiting structure, synchronous belt is arranged in folding roller conveyor both sides, transmission shaft is driven connection in the inner side of synchronous belt, crank is driven connection on the outer surface of transmission shaft, push column is hinged connection in the inner side of crank, the object on folding roller conveyor will quickly slide from folding roller conveyor front end to folding roller conveyor rear end and complete conveying, it is convenient for staff to convey goods outside the elevator into the elevator, improve work efficiency, trapezoidal slider is contacted with pulley when folding roller conveyor is lifted up, reduce friction, make the process of folding roller conveyor lifting more stable so as to be able to make goods conveying more stable, improve the security of goods when conveying.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of conveying device, in particular to a plane intelligent roller conveyor for elevator. BACKGROUND

[0002] When the goods enter or exit the carrying platform of the elevator, they need to be carried by external manual or small vehicles, which has repeated loading and unloading steps, thus the efficiency is low.

[0003] The patent No. CN201320875022.3 discloses a plane conveying device for elevator, the roller of the patent constitutes the plane conveying device, is fixedly connected on the carrying platform of the elevator, when the goods are sent to the entrance of the plane conveying device, the goods are sent into the carrying platform by the plane conveying device, the goods are transported into or out of the elevator by the roller conveying device, which greatly improves the carrying efficiency of the elevator, the patent solves the above problems, but still has the problems of single structure and low conveying efficiency, therefore, it is necessary to design a plane intelligent roller conveyor for elevator which can transport goods at high efficiency and uniform speed. SUMMARY

[0004] The present application relates to the technical field of conveying device, in particular to a plane intelligent roller conveyor for elevator.

[0005] In order to solve the above technical problems, the present application provides the following technical scheme: a plane intelligent roller conveyor device for an elevator, comprising a folding roller conveyor, the folding roller conveyor further comprising a lifting feeding device, the lifting feeding device comprising a lifting structure and a limiting structure, the lifting structure comprising a synchronous belt, a transmission shaft, a crank, a pushing column, a trapezoidal slider, the synchronous belt being arranged on both sides of the folding roller conveyor, the transmission shaft being drivingly connected to the inner side of the synchronous belt, the crank being drivingly connected to the outer surface of the transmission shaft, the pushing column being hingedly connected to the inner side of the crank, the trapezoidal slider being fixedly connected to one end of the pushing column away from the crank, the limiting structure comprising a limiting sliding groove, a sliding bottom plate, a limiting plate, and a pulley, the limiting sliding groove being slidingly connected to the outer surface of the pushing column, the sliding bottom plate being slidingly connected to the bottom surface of the trapezoidal slider, the limiting plate being fixedly connected to the rear end of the upper surface of the sliding bottom plate, the pulley being slidingly connected to the rear inclined surface of the trapezoidal slider, the inner side of the bottom end of the synchronous belt being drivingly connected to an output shaft, the right end of the output shaft being provided with a motor, the pulley being rotatably connected to the inner side of the folding roller conveyor, the motor being started, the motor driving the central shaft to rotate, the central shaft driving the synchronous belt to rotate, the synchronous belt driving the transmission shaft to rotate, the transmission shaft driving the crank to operate, the crank driving the pushing column to move back and forth, the pushing column driving the trapezoidal slider to move back and forth, the trapezoidal slider moving backward to make the rear inclined surface thereof lift the folding roller conveyor, the pushing column being limited by the limiting sliding groove when moving back and forth, the trapezoidal slider moving backward to abut against the limiting plate, the limiting plate blocking the trapezoidal slider, and the trapezoidal slider contacting the pulley when lifting the folding roller conveyor to reduce the friction.

[0006] According to the technical scheme, the front side of the trapezoidal slider is provided with a storage lifting device, the storage lifting device comprises a lifting structure and a front tilting structure, the lifting structure comprises a trapezoidal sliding plate, a storage plate and a limiting spring, the trapezoidal sliding plate is slidingly connected to the front side slope of the trapezoidal slider, the storage plate is connected to the top end of the trapezoidal sliding plate, and the limiting spring is fixedly connected to the bottom surface of the storage plate, the front tilting structure comprises a connecting plate, a twisting shaft, a connecting rod and a resisting shaft, the connecting plate is arranged below the two sides of the storage plate, the twisting shaft is arranged below the connecting plate, the connecting rod is fixedly connected to the outer side end of the twisting shaft, and the resisting shaft is fixedly connected to the side surface of the connecting rod, the limiting spring is fixedly connected to the upper surface of the connecting plate, and the rear end of the storage plate is slidingly connected to the front side slope of the trapezoidal slider, when the trapezoidal slider moves forward, the front side slope of the trapezoidal slider lifts the trapezoidal sliding plate, the trapezoidal sliding plate drives the storage plate to rise, and the limiting spring buffers the movement of the storage plate during the lifting process, the staff places the goods on the storage plate, the trapezoidal slider lifts the storage plate, at this time, the staff only needs to push the goods to the folding roller conveyor to convey the goods into the elevator, when the storage plate is lifted to a certain distance, the front end of the storage plate is in contact with the resisting shaft, after being resisted by the resisting shaft, the storage plate is tilted to one side of the folding roller conveyor, so that the goods slide onto the folding roller conveyor, and when not in use, the staff can drive the connecting rod to rotate around the twisting shaft as the axis.

[0007] According to the technical scheme, the rear side of the storage plate is provided with a buffer device, the buffer device comprises a buffer structure and a clamping structure, the buffer structure comprises a buffer baffle, a telescopic rod and a buffer spring, the buffer baffle is arranged at the rear side of the folding roller conveyor, the telescopic rod is fixedly connected to the rear side surface of the buffer baffle, and the buffer spring is arranged between the buffer baffle and the telescopic rod, the clamping structure comprises a lever, a knob, a clamping rod and a resisting plate, the lever is arranged at the rear side of the buffer baffle, the knob is fixedly connected to the outer side end of the lever, the clamping rod is fixedly connected to the front side of the outer surface of the knob, and the resisting plate is hingedly connected to the inner side surface of the clamping rod, the front and rear ends of the buffer spring are fixedly connected with the telescopic rod and the buffer baffle respectively, and a torsional spring is arranged below the knob, when the goods slide onto the folding roller conveyor and are blocked by the buffer baffle, the impact force generated by the goods is conducted to the telescopic rod through the buffer baffle, so that the telescopic rod is telescoped and drives the buffer spring to contract, when the buffer baffle is impacted and deviated rearward to press the lever, the lever drives the knob to rotate, the knob drives the clamping rod to rotate to the side close to the goods, and the clamping rod drives the resisting plate to deviate to the side close to the goods, so that the resisting plate is in contact with the side surface of the goods and clamps the goods.

[0008] According to the above technical scheme, the outer side of the buffer baffle is provided with a storage device, the storage device comprises a folding structure and a convenient structure, the folding structure comprises a storage frame, a folding sleeve frame and a center shaft, the storage frame is movably connected to the outer side of the buffer baffle, the folding sleeve frame is hingedly connected to the inner side of the bottom of the storage frame, and the center shaft is rotatably connected from the right side of the storage frame to the left side of the storage frame.

[0009] Compared with the prior art, the present application has the following advantages:

[0010] The present application has the following advantages:

[0011] This invention, by setting up a connecting plate, a torsion shaft, a connecting rod, and an abutment shaft, uses a trapezoidal slider to lift the shelf. At this time, the staff only needs to push the goods onto the folding roller conveyor to transport the goods into the elevator, avoiding the need for staff to frequently lift excessively heavy goods, which would reduce work efficiency. After being abutted by the abutment shaft, the shelf will tilt to one side of the folding roller conveyor, causing the goods to slide onto the folding roller conveyor, making the operation of the staff less strenuous and further improving work efficiency.

[0012] This invention, by setting up a lever, knob, clamping rod, and abutment plate, allows the telescopic rod to extend and retract, causing the buffer spring to contract. The elastic effect reduces the impact force, ensuring the safety of cargo transportation. The abutment plate contacts and clamps the side of the cargo, allowing the cargo to remain stable instantly and not tilt to either side, further improving the safety of transportation.

[0013] This invention, by incorporating a fixed plate, casters, and an internally threaded sleeve shaft, allows the contact plate to grip and hold the goods in place, ensuring instantaneous stability and preventing them from tipping over. This further enhances transport safety. The casters contact the elevator floor, making the device more stable and safe to open. Loosening the bolts allows the front and rear sections of the crank's movable end rod to be separated, facilitating folding and storage of the crank and reducing space occupation. Tightening the bolts during use connects the two movable end rods for convenient operation. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the three-dimensional integral structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention in cross-section of a triaxial plane;

[0018] Figure 3 This is a three-dimensional structural diagram of the side top surface of the lifting and feeding device of the present invention;

[0019] Figure 4 This is the present invention. Figure 3 A magnified structural diagram of A in the middle;

[0020] Figure 5 This is a three-dimensional structural diagram of the front side of the lifting device of the present invention;

[0021] Figure 6 This is the present invention. Figure 5 A magnified structural diagram of B in the diagram;

[0022] Figure 7 is a front side perspective structural schematic diagram of the buffer device of the present application;

[0023] Figure 8 is a front side perspective structural schematic diagram of the buffer device of the present application; Figure 7 is an enlarged structural schematic diagram of C in the present application;

[0024] Figure 9 is a front side perspective structural schematic diagram of the storage device of the present application;

[0025] Figure 10 is a front side perspective structural schematic diagram of the storage device of the present application; Figure 9 is an enlarged structural schematic diagram of D in the present application;

[0026] In the figure: 1, folding roller conveyor; 2, lifting feeding device; 21, synchronous belt; 22, transmission shaft; 23, crank; 24, pushing column; 25, trapezoidal sliding block; 26, limiting sliding groove; 27, sliding bottom plate; 28, limiting plate; 29, pulley; 3, storage lifting device; 31, trapezoidal sliding plate; 32, storage plate; 33, limiting spring; 34, connecting plate; 35, twisting shaft; 36, connecting rod; 37, abutting shaft; 4, buffer device; 41, buffer baffle; 42, telescopic rod; 43, buffer spring; 44, push rod; 45, knob; 46, clamping rod; 47, abutting plate; 5, storage device; 51, storage frame; 52, folding sleeve frame; 53, center shaft; 54, fixed plate; 55, caster; 56, internally threaded sleeve shaft; 57, bolt. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] Please refer to Figures 1-4One embodiment of the present application is: a plane intelligent roller conveyor device for elevator, including folding roller conveyor 1, folding roller conveyor 1 further including has lifting feeder 2, lifting feeder 2 includes lifting structure and limiting structure, lifting structure includes synchronous belt 21, transmission shaft 22, crank 23, push column 24, trapezoidal slider 25, synchronous belt 21 is arranged at both sides of folding roller conveyor 1, transmission shaft 22 is drivingly connected to the inner side of synchronous belt 21, crank 23 is drivingly connected to the outer surface of transmission shaft 22, push column 24 is hingedly connected to the inner side of crank 23, trapezoidal slider 25 is fixedly connected to the end of push column 24 away from crank 23, at this time because of gravity, the object on folding roller conveyor 1 will slide from the front end of folding roller conveyor 1 to the rear end of folding roller conveyor 1 to complete the conveying, it is convenient for staff to convey the goods outside the elevator into the elevator, improve work efficiency, limiting structure includes limiting sliding groove 26, sliding bottom plate 27, limiting plate 28, pulley 29, limiting sliding groove 26 is slidingly connected to the outer surface of push column 24, sliding bottom plate 27 is slidingly connected to the bottom surface of trapezoidal slider 25, limiting plate 28 is fixedly connected to the rear end of the upper surface of sliding bottom plate 27, pulley 29 is slidingly connected to the rear side inclined surface of trapezoidal slider 25, the inner side of the bottom end of synchronous belt 21 is drivingly connected with output shaft, the right end of output shaft is provided with motor, pulley 29 is rotatably connected with the inner side of folding roller conveyor 1, limiting plate 28 blocks trapezoidal slider 25 to avoid it from falling out of sliding bottom plate 27, ensure the stability of trapezoidal slider 25, and when trapezoidal slider 25 lifts folding roller conveyor 1, it contacts pulley 29 to reduce friction, make the process of folding roller conveyor 1 lifting more stable so as to make the goods conveying more stable, improve the safety of goods during conveying;

[0029] Working principle: start the motor, the motor drives the center shaft 53 to rotate, the center shaft 53 drives the synchronous belt 21 to rotate, the synchronous belt 21 drives the transmission shaft 22 to rotate, the transmission shaft 22 drives the crank 23 to rotate, the crank 23 drives the push column 24 to move back and forth, the push column 24 drives the trapezoidal slider 25 to move back and forth, the rear side inclined surface of the trapezoidal slider 25 lifts the folding roller conveyor 1, the push column 24 is limited by the limiting sliding groove 26 when moving back and forth, so that the trapezoidal slider 25 slides stably on the sliding bottom plate 27, the trapezoidal slider 25 moves backward and touches the limiting plate 28, the limiting plate 28 blocks the trapezoidal slider 25 to avoid it from falling out of the sliding bottom plate 27, ensure the stability of trapezoidal slider 25, and when trapezoidal slider 25 lifts folding roller conveyor 1, it contacts pulley 29 to reduce friction, make the process of folding roller conveyor 1 lifting more stable so as to make the goods conveying more stable, improve the safety of goods during conveying.

[0030] Please refer to Figures 5-6On the basis of the above embodiment, in another embodiment of the application, the article placing and lifting device 3 comprises a lifting structure and a forward tilting structure. The lifting structure comprises a trapezoidal sliding plate 31, an article placing plate 32 and a limiting spring 33. The trapezoidal sliding plate 31 is slidingly connected to the front side slope of the trapezoidal sliding block 25. The article placing plate 32 is connected to the top end of the trapezoidal sliding plate 31. The limiting spring 33 is fixedly connected to the bottom surface of the article placing plate 32. The worker places the goods on the article placing plate 32, and the trapezoidal sliding block 25 lifts the article placing plate 32. At this time, the worker only needs to push the goods to the folding roller conveyor 1 to be able to convey the goods into the elevator, avoiding the need for the worker to frequently lift heavy goods, which leads to a decrease in work efficiency. The forward tilting structure comprises a connecting plate 34, a twisting shaft 35, a connecting rod 36 and a resisting shaft 37. The connecting plate 34 is arranged below the article placing plate 32 on both sides. The twisting shaft 35 is arranged below the connecting plate 34. The connecting rod 36 is fixedly connected to the outer side end of the twisting shaft 35. The resisting shaft 37 is fixedly connected to the side surface of the connecting rod 36. The limiting spring 33 is fixedly connected to the upper surface of the connecting plate 34. The rear end of the article placing plate 32 is slidingly connected to the front side slope of the trapezoidal sliding block 25. After being resisted by the resisting shaft 37, the article placing plate 32 will be tilted to one side of the folding roller conveyor 1, so that the goods slide onto the folding roller conveyor 1, making the operation of the worker more labor-saving and further improving the work efficiency. When not in use, the worker can rotate the connecting rod 36 about the twisting shaft 35 as the axis, so that the connecting rod 36 is horizontally placed with the folding sleeve frame 52, improving the applicability.

[0031] Working principle: When the trapezoidal sliding block 25 moves forward, the front side slope thereof lifts the trapezoidal sliding plate 31, and the trapezoidal sliding plate 31 lifts the article placing plate 32. The limiting spring 33 buffers the movement of the article placing plate 32 during lifting, making the lifting more stable. The worker places the goods on the article placing plate 32, and the trapezoidal sliding block 25 lifts the article placing plate 32. When the article placing plate 32 is lifted to a certain distance, the front end thereof will be in contact with the resisting shaft 37. After being resisted by the resisting shaft 37, the article placing plate 32 will be tilted to one side of the folding roller conveyor 1, so that the goods slide onto the folding roller conveyor 1, making the operation of the worker more labor-saving and further improving the work efficiency. When not in use, the worker can rotate the connecting rod 36 about the twisting shaft 35 as the axis, so that the connecting rod 36 is horizontally placed with the folding sleeve frame 52, improving the applicability.

[0032] Please refer to Figures 7-10On the basis of the above-mentioned embodiment, in another embodiment of the present application, the buffer device 4 is provided, which comprises a buffer structure and a clamping structure. The buffer structure comprises a buffer baffle 41, an extension rod 42 and a buffer spring 43. The buffer baffle 41 is arranged at the rear side of the folding roller conveyor 1. The extension rod 42 is fixedly connected to the rear side of the buffer baffle 41. The buffer spring 43 is arranged between the buffer baffle 41 and the extension rod 42. The extension rod 42 is telescopic and drives the buffer spring 43 to contract. The elastic effect reduces the impact force, thereby ensuring the safety of the goods conveying. The clamping structure comprises a lever 44, a knob 45, a clamping rod 46 and a contact plate 47. The lever 44 is arranged at the rear side of the buffer baffle 41. The knob 45 is fixedly connected to the outer side end of the lever 44. The clamping rod 46 is fixedly connected to the front side of the outer surface of the knob 45. The contact plate 47 is hingedly connected to the inner side of the clamping rod 46. The front and rear ends of the buffer spring 43 are fixedly connected to the extension rod 42 and the buffer baffle 41, respectively. A torsional spring is arranged below the knob 45. The contact plate 47 is in contact with the side of the goods and clamps the goods, so that the goods can be instantly kept stable and not tilted to both sides, thereby further improving the conveying safety. The outer side of the buffer baffle 41 is provided with a storage device 5, which comprises a folding structure and a convenient structure. The folding structure comprises a storage frame 51, a folding sleeve frame 52 and a central shaft 53. The storage frame 51 is movably connected to the outer side of the buffer baffle 41. The folding sleeve frame 52 is hingedly connected to the inner side of the bottom of the storage frame 51. The central shaft 53 is rotatably arranged from the right side of the storage frame 51 and penetrates out of the left side of the storage frame 51. When in use, the folding roller conveyor 1 and the folding sleeve frame 52 are opened. After being folded, the area occupied by the device in the elevator is saved, thereby improving the convenience and practicality. The convenient structure comprises a fixed plate 54, a caster 55, an internally threaded sleeve shaft 56 and a bolt 57. The fixed plate 54 is fixedly connected to the right side of the storage frame 51. The caster 55 is fixedly connected to the front side of the folding sleeve frame 52. The internally threaded sleeve shaft 56 is hingedly connected to the inner side of the crank 23. The bolt 57 is threadedly connected to the inner side of the internally threaded sleeve shaft 56. The folding roller conveyor 1 is hingedly connected to the inner side of the bottom of the storage frame 51. The motor is fixedly connected to the upper surface of the fixed plate 54. The transmission shaft 22 is rotatably connected to both sides of the storage frame 51. The limiting sliding groove 26 is arranged on both sides of the folding sleeve frame 52. The sliding bottom plate 27 is fixedly connected to the inner side bottom end of the folding sleeve frame 52. The limiting plate 28 is fixedly connected to the inner side of the folding sleeve frame 52. The trapezoidal sliding plate 31 is slidably connected to the inner side of the folding sleeve frame 52. The connecting plate 34 is fixedly connected to the outer surface of the folding sleeve frame 52. The torsion shaft 35 is hingedly connected to both sides of the folding sleeve frame 52. The rear end of the extension rod 42 is fixedly connected to the inner surface of the rear side of the storage frame 51. The torsional spring arranged below the knob 45 is fixedly connected to both sides of the storage frame 51. The storage frame 51 is installed on the inner surface of the rear side of the elevator. The caster 55 is in contact with the ground of the elevator, so that the device is more stable and safe when being opened. After the bolt 57 is loosened, the front and rear sections of the movable end rod of the crank 23 can be separated, thereby facilitating the folding of the crank 23. The space occupied is reduced. When in use, the bolt 57 is tightened, so that the two sections of the movable end rod are connected together, thereby facilitating the use.

[0033] Working principle: when the goods slide to the folding roller conveyor 1 and are blocked by the buffer baffle 41, the impact force generated by the goods is conducted to the telescopic rod 42, causing the telescopic rod 42 to extend and the buffer spring 43 to contract, and the elastic effect reduces the impact force, ensuring the safety of the goods conveying; when the buffer baffle 41 is impacted and offset backward to make the extrusion lever 44, the lever 44 drives the knob 45 to rotate, the knob 45 drives the clamping rod 46 to rotate towards the side of the goods, and the clamping rod 46 drives the abutting plate 47 to offset towards the side of the goods, the abutting plate 47 contacts and clamps the goods on the side, so that the goods can be kept stable and not tilted to both sides, further improving the safety of conveying;

[0034] The folding roller conveyor 1 and the folding sleeve frame 52 can be folded and lifted into the storage frame 51, because the device is installed in the elevator, so when in use, the folding roller conveyor 1 and the folding sleeve frame 52 are opened, and after being folded, the area occupied by the elevator is saved, the convenience and practicality are improved, when the folding sleeve frame 52 is opened, the caster 55 contacts the ground of the elevator, so that the device is more stable and safe when opened, after the bolt 57 is loosened, the front and rear two sections of the movable end rod of the crank 23 can be separated to facilitate folding and storage of the crank 23, and the space occupation is reduced, when in use, the bolt 57 is tightened, so that the two movable end rods are connected together for convenient use.

[0035] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0036] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A planar intelligent roller conveyor device for elevators, comprising a folding roller conveyor (1), characterized in that: It also includes a lifting and feeding device (2), which includes a lifting structure and a limiting structure; The lifting structure includes a synchronous belt (21), a drive shaft (22), a crank (23), a push column (24), and a trapezoidal slider (25). The synchronous belt (21) is arranged on both sides of the folding roller conveyor (1). The drive shaft (22) is driven to the inner side of the synchronous belt (21). The crank (23) is driven to the outer surface of the drive shaft (22). The push column (24) is hinged to the inner side of the crank (23). The trapezoidal slider (25) is fixedly connected to the end of the push column (24) away from the crank (23). The limiting structure includes a limiting groove (26), a sliding base plate (27), a limiting plate (28), and a pulley (29). The limiting groove (26) is slidably connected to the outer surface of the push column (24). The sliding base plate (27) is slidably connected to the bottom surface of the trapezoidal slider (25). The limiting plate (28) is fixedly connected to the rear end of the upper surface of the sliding base plate (27). The pulley (29) is slidably connected to the rear inclined surface of the trapezoidal slider (25). The trapezoidal slider (25) is provided with a lifting device (3) on the front side. The lifting device (3) includes a lifting structure and a tilting structure. The lifting structure includes a trapezoidal sliding plate (31), a storage plate (32), and a limiting spring (33). The trapezoidal sliding plate (31) is slidably connected to the front inclined surface of the trapezoidal slider (25). The storage plate (32) is connected to the top of the trapezoidal sliding plate (31). The limiting spring (33) is fixedly connected to the bottom surface of the storage plate (32). The tilting structure includes a connecting plate (34), a torsion shaft (35), a connecting rod (36), and an abutment shaft (37). The connecting plate (34) is provided on both sides below the storage plate (32). The torsion shaft (35) is provided below the connecting plate (34). The connecting rod (36) is fixedly connected to the outer end of the torsion shaft (35). The abutment shaft (37) is fixedly connected to the side of the connecting rod (36). The limiting spring (33) is fixedly connected to the upper surface of the connecting plate (34), and the rear end of the placement plate (32) is slidably connected to the front inclined surface of the trapezoidal slider (25); A buffer device (4) is provided on the rear side of the shelf (32). The buffer device (4) includes a buffer structure and a clamping structure. The buffer structure includes a buffer baffle (41), a telescopic rod (42), and a buffer spring (43). The buffer baffle (41) is located on the rear side of the folding roller conveyor (1). The telescopic rod (42) is fixedly connected to the rear side of the buffer baffle (41). The buffer spring (43) is located between the buffer baffle (41) and the telescopic rod (42). The clamping structure includes a lever (44), a knob (45), a clamping rod (46), and an abutment plate (47). The lever (44) is located on the rear side of the buffer baffle (41). The knob (45) is fixedly connected to the outer end of the lever (44). The clamping rod (46) is fixedly connected to the front side of the outer surface of the knob (45). The abutment plate (47) is hinged to the inner side of the clamping rod (46).

2. A planar intelligent roller conveyor device for elevators according to claim 1, characterized in that: The inner side of the bottom end of the synchronous belt (21) is connected to the central shaft (53), and a motor is provided at the right end of the central shaft (53). The pulley (29) is rotatably connected to the inner side of the folding roller conveyor (1).

3. A planar intelligent roller conveyor device for elevators according to claim 2, characterized in that: The front and rear ends of the buffer spring (43) are fixedly connected to the telescopic rod (42) and the buffer baffle (41) respectively, and a torsion spring is provided below the knob (45).

4. A planar intelligent roller conveyor device for elevators according to claim 3, characterized in that: A storage device (5) is provided on the outside of the buffer baffle (41). The storage device (5) includes a folding structure and a convenient structure. The folding structure includes a storage frame (51), a folding sleeve frame (52), and a central shaft (53). The storage frame (51) is movably connected to the outside of the buffer baffle (41). The folding sleeve frame (52) is hinged to the inner side of the bottom of the storage frame (51). The central shaft (53) rotates from the right side of the storage frame (51) and passes through the left side of the storage frame (51). The convenient structure includes a fixing plate (54), casters (55), an internal threaded sleeve shaft (56), and bolts (57). The fixing plate (54) is fixedly connected to the right side of the storage frame (51). The casters (55) are fixedly connected to the front side of the folding sleeve frame (52). The internal threaded sleeve shaft (56) is hinged to the inner side of the crank (23). The bolts (57) are threadedly connected to the inner side of the internal threaded sleeve shaft (56).

5. A planar intelligent roller conveyor device for elevators according to claim 4, characterized in that: The folding roller conveyor (1) is hinged to the inner bottom side of the storage frame (51), the motor is fixedly connected to the upper surface of the fixing plate (54), the transmission shaft (22) is rotatably connected to both sides of the storage frame (51), the limiting slide groove (26) is opened on both sides of the folding frame (52), the sliding base plate (27) is fixedly connected to the bottom end of the inner side of the folding frame (52), the limiting plate (28) is fixedly connected to the inner side of the folding frame (52), the trapezoidal sliding plate (31) is slidably connected to the inner side of the folding frame (52), the connecting plate (34) is fixedly connected to the outer surface of the folding frame (52), the torsion shaft (35) is hinged to both sides of the folding frame (52), the rear end of the telescopic rod (42) is fixedly connected to the inner rear side of the storage frame (51), the torsion spring provided below the knob (45) is fixedly connected to both sides of the storage frame (51), and the storage frame (51) is installed on the inner rear side of the elevator.

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