CN117509357B - Barrier-free self-propelled arm lifting platform protection structure - Google Patents
Barrier-free self-propelled arm lifting platform protection structure Download PDFInfo
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- CN117509357B CN117509357B CN202410011128.1A CN202410011128A CN117509357B CN 117509357 B CN117509357 B CN 117509357B CN 202410011128 A CN202410011128 A CN 202410011128A CN 117509357 B CN117509357 B CN 117509357B
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- 230000005540 biological transmission Effects 0.000 claims description 101
- 230000007246 mechanism Effects 0.000 claims description 53
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention relates to an accessible lifting platform, in particular to a protective structure for an accessible self-propelled boom lifting platform, which comprises a bottom plate and two side baffles symmetrically arranged at the top of the bottom plate; conveying ramps are rotatably arranged on two sides of the bottom plate; the bottom plate is internally provided with a buffer groove with an opening at the top, and is internally provided with a control chamber, two horizontal sliding grooves, two rotating grooves with an opening at the side surface and two vertical sliding grooves II; the two horizontal sliding grooves and the two rotating grooves are respectively positioned at two ends of the control chamber and are communicated with the control chamber; the rotating groove is positioned at the top of the horizontal chute and is communicated with the horizontal chute; the two vertical sliding grooves II are respectively positioned at two sides of the buffer groove and are communicated with the buffer groove; and the buffer groove and the vertical sliding groove II are respectively provided with a first supporting plate and a ball screw. The structure can realize the fixation of the wheelchair through the limiting groove formed by the sinking of the supporting plate after the wheelchair moves to the first supporting plate, and simultaneously, the conveying ramp is automatically rotated to be close to the vertical state to form the baffle plate, so that the second-layer protection effect is achieved.
Description
Technical Field
The invention relates to the technical field of barrier-free lifting platforms, in particular to a protective structure for a barrier-free self-propelled arm lifting platform.
Background
Along with the improvement of the living standard of people, people pay more attention to the quality of life under the condition of satisfying the temperature saturation. Especially for people with inconvenient lower limbs or old people, activities of going upstairs and downstairs are often required. In order to reduce the burden of families or nursing staff, an accessible lifting platform matched with a wheelchair is generated.
The accessible lifting platform mainly comprises a rail and a lifting platform plate, and is similar to a simple small elevator. The track is inlaid on the wall of the passageway entrance and exit, and extends downwards along the gradient of the stairs to the interior of the tunnel. When the disabled people who take the wheelchair use the wheelchair, the wheelchair moves onto the bedplate of the lifting platform, and the lifting platform can be controlled to enter the underground passage after the switch is pressed, so that the wheelchair is safe and convenient.
In order to ensure the safety of the disabled people taking the lifting platform, the existing barrier-free lifting platform is always used for fixing the wheelchair, so that the wheelchair is prevented from moving back and forth to be separated from the lifting platform in the starting and stopping processes of the lifting platform. For example, chinese patent (CN 217264686U) discloses a lifting platform for an unobstructed lifting platform, in which a conveying ramp is installed on two sides of the lifting platform, and the conveying ramp is controlled by a telescopic motor, and when a wheelchair moves onto the lifting platform, the telescopic motor is controlled to rotate the conveying ramp by 90 ° to form a baffle, so that the wheelchair is prevented from moving back and forth away from the lifting platform during the operation of the lifting platform. Although the structure plays a role in protection, the operation needs to manually operate the control panel to adjust the rotation of the conveying ramp to form a baffle, for the old with inconvenient actions, the old can not consciously and actively adjust the rotation of the conveying ramp, and secondly, the structure still can not fix the wheelchair, and the wheelchair still has the risk of moving back and forth in the starting and stopping processes of the lifting platform; in addition, accessible lift platform all is along the track removal, and the point of plugging into all is fixed position to can only remove along one side in passageway, and in the in-service use, can't let the inconvenient patient of leg and foot remove the opposite side in passageway, it is still comparatively inconvenient to use.
Based on the technical problems, the applicant invents a protective structure for a barrier-free self-propelled boom lifting platform.
Disclosure of Invention
The invention aims to provide a protective structure for a barrier-free self-propelled arm lifting platform, which can fix a wheelchair through a limiting groove formed by sinking a supporting plate after the wheelchair moves onto the first supporting plate, and simultaneously automatically rotate a conveying ramp to a nearly vertical state to form a baffle plate so as to play a role in protecting a second layer.
The invention is realized in such a way that the barrier-free self-propelled boom lifting platform is provided with a protective structure, which comprises a bottom plate and two side baffles symmetrically arranged at the top of the bottom plate; conveying ramps are rotatably arranged on two sides of the bottom plate; the outer side wall of one side baffle is fixedly provided with a self-propelled arm, and the end part of the self-propelled arm moves along a sliding rail; the bottom plate is internally provided with a buffer groove with an opening at the top, and is internally provided with a control chamber, two horizontal sliding grooves, two rotating grooves with an opening at the side surface and two vertical sliding grooves II; the two horizontal sliding grooves and the two rotating grooves are respectively positioned at two ends of the control chamber and are communicated with the control chamber; the rotating groove is positioned at the top of the horizontal chute and is communicated with the horizontal chute; the two vertical sliding grooves II are respectively positioned at two sides of the buffer groove and are communicated with the buffer groove;
the buffer groove and the vertical sliding groove II are respectively provided with a first supporting plate and a ball screw, the side wall of the first supporting plate is fixedly connected with nuts which translate up and down in the two ball screws respectively, the top of the ball screw is rotationally connected with the top of the vertical sliding groove II, and the bottom of the ball screw is positioned in the control cavity and provided with a bevel gear V;
a first transmission mechanism and a plurality of second support plates are arranged in the control chamber and the two horizontal sliding grooves, and the second support plates are fixedly connected with the side wall of the control chamber; the first transmission mechanism comprises a first transmission rod and a fourth conical gear; the transmission rod I consists of a smooth section and two thread sections; the two bevel gears IV are fixedly sleeved on a smooth section of the transmission rod I, and the two bevel gears IV are respectively meshed with the two bevel gears V; the two threaded sections of the first transmission rod are respectively positioned at two ends of the smooth section, the threaded section of the first transmission rod is positioned in the horizontal sliding chute, and the two ends of the first transmission rod are respectively connected with the side walls of the two horizontal sliding chutes in a rotating way;
the two thread sections of the first transmission rod are sleeved with sliding blocks sliding along the horizontal sliding grooves; and a push rod which is connected with the bottom of the conveying ramp in a hinged manner is arranged between the bottom of the conveying ramp and the sliding block.
Further, a spring is arranged at the bottom of the first supporting plate, and the bottom of the spring is fixedly connected with the bottom of the buffer groove.
Further, a servo motor is embedded in the bottom plate, a first bevel gear is arranged at the output end of the servo motor, and a plurality of second transmission mechanisms and supporting mechanisms corresponding to the transmission mechanisms are arranged in the control cavity; the supporting mechanism is used for jacking the first supporting plate, one end of the second transmission mechanism is meshed with the first bevel gear, the other end of the second transmission mechanism is meshed with the supporting mechanism, and the top of the supporting mechanism is located in the buffer groove.
Further, the second transmission mechanism comprises two bevel gears and a second transmission rod, two ends of the second transmission rod are respectively connected with the two bevel gears, and the second transmission rod penetrates through the second support plates and is in rotary connection with the second support plates; the two bevel gears II are respectively meshed with the first bevel gear and the supporting mechanism.
Further, the supporting mechanism comprises a threaded rod, a bevel gear III and a lifting sleeve; the bottom of threaded rod is connected with the third bevel gear, third bevel gear and second bevel gear meshing, lift sleeve cup joints on the threaded rod and lift sleeve's top is located the dashpot.
Further, a limit ring is fixedly sleeved on the smooth section of the threaded rod, and the limit ring is rotationally connected with the bottom plate.
Further, two vertical sliding grooves I are formed in the opposite side walls of the two side baffles, and a transmission cavity communicated with the two vertical sliding grooves I at the same time is formed in the side baffles; a transmission mechanism III is arranged in the transmission cavity, lifting screws are arranged in the two vertical sliding grooves I, one end of each lifting screw is rotatably connected with the corresponding vertical sliding groove, a bevel gear seven is arranged at the other end of each lifting screw, and the bevel gear seven is positioned in the transmission cavity and meshed with the transmission mechanism III; armrests are sleeved on the two lifting screws of the same side baffle plate.
Further, the transmission mechanism III comprises a stepping motor, a transmission rod III and two bevel gears VI, the stepping motor is fixedly connected with the end part of the transmission cavity, the output end of the stepping motor is fixedly connected with the end part of the transmission rod III, and the other end of the transmission rod III is rotationally connected with the side wall of the transmission cavity; the two bevel gears six are fixedly sleeved on the transmission rod three and meshed with the two bevel gears seven respectively.
Further, a control panel is arranged on the side wall of the side baffle plate and used for adjusting the height of the first handrail and the first supporting plate.
Further, the tops of the bottom plate and the first supporting plate are respectively provided with anti-skid patterns.
Compared with the prior art, the invention has the following beneficial effects:
1. the first supporting plate is arranged in a buffer groove with an opening at the top, the side wall of the first supporting plate is fixedly connected with the side wall of a nut of the ball screw, meanwhile, the conveying ramp is connected with a sliding block regulated on a threaded section of the transmission rod through a push rod, and the first supporting plate is connected in a hinged mode, so that when the wheelchair moves onto the first supporting plate, the supporting plate sinks to form a limit groove, limit fixing of the wheelchair is realized, and meanwhile, the conveying ramp can be rotated to be close to a vertical state, so that a second layer of protection is achieved;
2. the bottom of the anti-skid pattern is provided with a plurality of springs, the top surface of the first supporting plate without any load is level with the top surface of the bottom plate by the springs, the wheelchair can conveniently move onto the first supporting plate, and meanwhile, the effects of shock absorption and buffering are achieved in the moving process of the lifting platform;
3. a servo motor is embedded in the bottom plate, and meanwhile, the lifting sleeve is sleeved on the threaded rod, and the threaded rod and the first conical gear are driven by the second transmission mechanism, so that the first supporting plate can be jacked up to enable the top of the first supporting plate to be level with the top of the bottom plate, and the wheelchair can conveniently leave the lifting platform;
4. the handrail is adjusted on the lifting screw, meanwhile, the lifting screw is meshed with the transmission mechanism III through the bevel gear seven, and the transmission mechanism III is driven by a stepping motor, so that the height of the handrail can be adjusted by adjusting the rotation of the stepping motor, the height of the handrail can be adjusted according to different heights of patients, and the use comfort of the patients is improved;
5. the anti-skid patterns are arranged on the tops of the bottom plate and the first supporting plate, so that an anti-skid effect can be achieved, and the safety of the lifting platform in the moving process is improved;
6. the self-propelled arm is fixedly arranged on the side wall of the side baffle, so that the moving range of the lifting platform is increased, and the patient can move in public places more conveniently.
Drawings
FIG. 1 is a side cross-sectional view of a barrier-free self-propelled boom lifting platform guard structure provided in an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a side cross-sectional view of a side dam provided by an embodiment of the present invention;
fig. 5 is a front view of a protective structure for an unobstructed bicycle arm lift platform provided by an embodiment of the present invention.
Reference numerals referred to in the above figures:
1. side baffles; 2. lifting screw rods; 3. a first vertical chute; 4. a ball screw; 5. a bottom plate; 6. a conveying ramp; 7. a push rod; 8. a rotating groove; 9. a transmission rod I; 10. a support bearing; 11. a transmission rod II; 12. a spring; 13. a second supporting plate; 14. a conical gear IV; 15. a conical gear V; 16. a vertical sliding groove II; 17. anti-skid lines; 18. a buffer tank; 19. a first conical gear; 20. a first supporting plate; 21. an armrest; 22. a control panel; 23. a servo motor; 24. a control chamber; 25. lifting the sleeve; 26. a threaded rod; 27. a limiting ring; 28. a conical gear III; 29. a second bevel gear; 30. a horizontal chute; 31. a slide block; 32. a stepping motor; 33. a transmission rod III; 34. a transmission chamber; 35. a bevel gear seventh; 36. a conical gear six; 37. a self-propelled arm.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-3, a preferred embodiment of the present invention is provided.
The barrier-free self-propelled boom lifting platform protection structure comprises a bottom plate 5 and two side baffles 1 symmetrically arranged on the top of the bottom plate 5; two sides of the bottom plate 5 are respectively provided with two conveying ramps 6 in a hinged manner; the outer side wall of one side baffle plate 1 is fixedly provided with a self-moving arm 37, the end part of the self-moving arm 37 moves along the sliding rail, and the self-moving arm 37 can adjust the left and right positions of the whole lifting platform, so that the moving range of the lifting platform is enlarged; as shown in fig. 1, a buffer groove 18 with an open top is formed in the bottom plate 5, and the length of the buffer groove 18 is matched with the length of the wheelchair; the bottom plate 5 is also internally provided with a control chamber 24, two horizontal sliding grooves 30, two rotating grooves 8 with side openings and two vertical sliding grooves 16; two horizontal sliding grooves 30 and two rotating grooves 8 are respectively positioned at two ends of the control chamber 24 and are communicated with the control chamber; the rotating groove 8 is positioned at the top of the horizontal sliding groove 30 and is communicated with the horizontal sliding groove, and the purpose of the rotating groove 8 is to ensure that the ejector rod 7 can rotate along the rotating direction; the two second vertical sliding grooves 16 are respectively positioned at two sides of the buffer groove 18 and are communicated with the buffer groove;
the buffer groove 18 and the vertical sliding groove II 16 are respectively fixedly provided with a first supporting plate 20 and a ball screw 4, the side wall of the first supporting plate 20 is respectively fixedly connected with nuts which translate up and down in the two ball screws 4, so that when the first supporting plate 20 is stressed, the axial motion can be converted into rotary motion due to the small friction coefficient, the top of the ball screw 4 is connected with the top of the vertical sliding groove II 16 in a bearing way, and the bottom of the ball screw 4 is positioned in the control cavity 24 and is fixedly connected with the rotating shaft of the conical gear V15;
the first transmission mechanism and the second 6 support plates 13 are installed in the control chamber 24 and the two horizontal sliding grooves 30, and in the embodiment, the tops of the second 6 support plates 13 are fixedly connected with the top of the control chamber 24; the first transmission mechanism comprises a first transmission rod 9 and two bevel gears IV 14; the transmission rod I9 consists of a smooth section and two thread sections; the two conical gears IV 14 are fixedly sleeved on the smooth section of the transmission rod I9, and the two conical gears IV 14 are respectively meshed with the two conical gears V15; the two threaded sections of the first transmission rod 9 are respectively positioned at the two ends of the smooth section, the threaded sections of the first transmission rod 9 are positioned in the horizontal sliding grooves 30, and the two ends of the first transmission rod 9 are respectively connected with the side wall bearings of the two horizontal sliding grooves 30; as shown in fig. 2, the 6 second support plates 13 are embedded with support bearings 10, and the first transmission rod 9 simultaneously passes through and is fixedly connected with the inner ring of the support bearings 10;
the two thread sections of the first transmission rod 9 are sleeved with a sliding block 31 sliding along the horizontal sliding chute 30; the bottom of the conveying ramp 6 is connected with the sliding block 31 through the ejector rod 7, and two ends of the ejector rod 7 are connected with the conveying ramp 6 and the sliding block 31 in a hinged mode.
The bottom of backup pad one 20 fixed mounting has spring 12, and the bottom of spring 12 and the bottom fixed connection of buffer tank 18, and spring 12 can play buffering cushioning's effect, can also support backup pad one 20 simultaneously, makes its top and bottom plate 5 top parallel and level, makes things convenient for the wheelchair to remove to backup pad one 20.
A servo motor 23 is embedded in the bottom plate 5, the output end of the servo motor 23 is fixedly connected with the rotating shaft of the first bevel gear 19, and 4 transmission mechanisms II and 4 supporting mechanisms are arranged in the control chamber 24; as shown in fig. 1, the transmission directions of two adjacent transmission mechanisms are mutually perpendicular, the transmission mechanisms are used for transmitting the power of the servo motor 23 to the supporting mechanism, the supporting mechanism is used for jacking the supporting plate one 20, one end of the transmission mechanism two is meshed with the bevel gear one 19, the other end of the transmission mechanism two is meshed with the supporting mechanism, and the top of the supporting mechanism is located in the buffer groove 18.
The second transmission mechanism comprises two bevel gears 29 and a second transmission rod 11, two ends of the second transmission rod 11 are respectively connected with the two bevel gears 29, and the second transmission rod 11 passes through the inner rings of the support bearings 10 in the two 2 support plates 13; the two second bevel gears 29 are respectively meshed with the first bevel gears 19 and the supporting mechanism.
The supporting mechanism comprises a threaded rod 26, a third conical gear 28 and a lifting sleeve 25; the bottom of threaded rod 26 is connected with third bevel gear 28, and third bevel gear 28 meshes with second bevel gear 29, and lift sleeve 25 cup joints on threaded rod 26 and the top of lift sleeve 25 is located in buffer tank 18.
The smooth section of the threaded rod 26 is fixedly sleeved with a limiting ring 27, the limiting ring 27 is rotationally connected with the bottom plate 5, and the limiting ring 27 is used for maintaining the stability of the threaded rod 26.
Two vertical sliding grooves I3 are formed in the opposite side walls of the two side baffles 1, and a transmission cavity 34 which is communicated with the two vertical sliding grooves I3 at the same time is formed in the side baffles 1; a transmission mechanism III is arranged in the transmission cavity 34, lifting screws 2 are arranged in the two first vertical sliding grooves 3, one end of each lifting screw 2 is rotationally connected with the corresponding first vertical sliding groove 3, a bevel gear seven 35 is fixedly arranged at the other end of each lifting screw 2, and the bevel gear seven 35 is positioned in the transmission cavity 34 and meshed with the transmission mechanism III; two ends of the handrail 21 are respectively sleeved on the two lifting screws 2 of the same side baffle plate 1.
The transmission mechanism III comprises a stepping motor 32, a transmission rod III 33 and two bevel gears VI 36, the stepping motor 32 is fixedly connected with the end part of the transmission cavity 34, the output end of the stepping motor 32 is fixedly connected with the end part of the transmission rod III 33, and the other end of the transmission rod III 33 is rotatably connected with the side wall of the transmission cavity 34; the two bevel gears six 36 are fixedly sleeved on the transmission rod three 33 and are respectively meshed with the two bevel gears seven 35.
A control panel 22 is fixedly installed on the side wall of the side baffle 1 and is used for adjusting the heights of the armrests 21 and the first support plate 20.
The tops of the bottom plate 5 and the first support plate 20 are provided with anti-skid patterns 17.
Working principle: fig. 1 shows an initial state of a protective structure for a barrier-free self-propelled arm lifting platform, when an inconvenient patient needs to sit on the lifting platform, the wheelchair needs to be moved onto a first supporting plate 20 through a conveying ramp 6, the first supporting plate 20 is connected with a nut position of a ball screw 4, the first supporting plate 20 is under pressure to drive the nut on the ball screw 4 to move downwards, meanwhile, the ball screw 4 rotates, the ball screw 4 drives a bevel gear five 15 to rotate, the bevel gear four 14 and a first transmission rod 9 synchronously rotate due to the fact that the bevel gear five 15 is meshed with the bevel gear four 14, the sliding block 31 is sleeved on a threaded section of the transmission rod, the sliding block 31 translates towards the end far away from a control cavity 24, and the sliding block 7 is hinged with the sliding block 31 and the conveying ramp 6, and when the sliding block 31 moves, the sliding block 7 pushes the conveying ramp 6 to rotate upwards; at this time, as the first supporting plate 20 sinks, a limit groove is formed at the position of the first supporting plate, and the wheelchair is limited by the limit groove; meanwhile, the conveying ramp 6 also rotates to be in a nearly vertical state, so that the protection effect of the lifting platform is greatly improved; when the lifting platform moves, a shaking condition occurs, and the spring 12 can also play a role in damping; when the lifting platform reaches a specified position, a patient only needs to press a button on the control panel 22 to adjust the servo motor 23 to rotate, the servo motor 23 drives the first conical gear 19 to rotate, the first conical gear 19 drives the second conical gear 29 and the second transmission rod 11 to rotate, and then drives the third conical gear 28 and the threaded rod 26 to rotate, so that the lifting sleeve 25 moves upwards, when the top of the lifting sleeve 25 contacts with the bottom of the first supporting plate 20, the threaded rod 26 continues to rotate, the first supporting plate 20 can be lifted upwards, the top surface of the first supporting plate 20 is level with the top surface of the bottom plate 5, and the patient can move the wheelchair to leave the lifting platform; after leaving the lifting platform, the servomotor 23 is rotated in reverse so that the lifting sleeve 25 returns to the initial position.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The barrier-free self-propelled boom lifting platform protection structure comprises a bottom plate (5) and two side baffles (1) symmetrically arranged at the top of the bottom plate (5); conveying ramps (6) are rotatably arranged on two sides of the bottom plate (5); the side baffle plate is characterized in that a self-moving arm (37) is fixedly arranged on the outer side wall of one side baffle plate (1), and the end part of the self-moving arm (37) moves along a sliding rail; a buffer groove (18) with an opening at the top is arranged in the bottom plate (5), and a control chamber (24), two horizontal sliding grooves (30), two rotating grooves (8) with an opening at the side surface and two vertical sliding grooves (16) are also arranged in the bottom plate (5); the two horizontal sliding grooves (30) and the two rotating grooves (8) are respectively positioned at two ends of the control chamber (24) and are communicated with the control chamber; the rotating groove (8) is positioned at the top of the horizontal sliding groove (30) and is communicated with the horizontal sliding groove; the two vertical sliding grooves II (16) are respectively positioned at two sides of the buffer groove (18) and are communicated with the buffer groove;
the buffer groove (18) and the vertical sliding groove II (16) are respectively provided with a first supporting plate (20) and a ball screw (4), the side wall of the first supporting plate (20) is fixedly connected with nuts which translate up and down in the two ball screws (4), the top of the ball screw (4) is rotationally connected with the top of the vertical sliding groove II (16), and the bottom of the ball screw (4) is positioned in the control cavity (24) and provided with a bevel gear V (15);
a first transmission mechanism and a plurality of second support plates (13) are arranged in the control chamber (24) and the two horizontal sliding grooves (30), and the second support plates (13) are fixedly connected with the side wall of the control chamber (24); the first transmission mechanism comprises a first transmission rod (9) and two bevel gears (14); the transmission rod I (9) consists of a smooth section and two thread sections; the two bevel gears IV (14) are fixedly sleeved on the smooth section of the transmission rod I (9), and the two bevel gears IV (14) are respectively meshed with the two bevel gears V (15); the two threaded sections of the first transmission rod (9) are respectively positioned at two ends of the smooth section, the threaded sections of the first transmission rod (9) are positioned in the horizontal sliding grooves (30), and the two ends of the first transmission rod (9) are respectively connected with the side walls of the two horizontal sliding grooves (30) in a rotating way;
a sliding block (31) sliding along the horizontal sliding groove (30) is sleeved on both thread sections of the first transmission rod (9); an ejector rod (7) which is connected with the bottom of the conveying ramp (6) in a hinged manner is arranged between the bottom of the conveying ramp and the sliding block (31).
2. The barrier-free self-propelled boom lifting platform protection structure according to claim 1, wherein a spring (12) is arranged at the bottom of the first supporting plate (20), and the bottom of the spring (12) is fixedly connected with the bottom of the buffer groove (18).
3. The barrier-free self-propelled boom lifting platform protection structure according to claim 1, wherein a servo motor (23) is embedded in the bottom plate (5), a first conical gear (19) is arranged at the output end of the servo motor (23), and a plurality of second transmission mechanisms and supporting mechanisms corresponding to the transmission mechanisms are arranged in the control chamber (24); the supporting mechanism is used for jacking the first supporting plate (20), one end of the second transmission mechanism is meshed with the first bevel gear (19), the other end of the second transmission mechanism is meshed with the supporting mechanism, and the top of the supporting mechanism is located in the buffer groove (18).
4. The barrier-free self-propelled boom lifting platform protection structure according to claim 3, wherein the second transmission mechanism comprises two bevel gears (29) and a second transmission rod (11), two ends of the second transmission rod (11) are respectively connected with the two bevel gears (29), and the second transmission rod (11) penetrates through the plurality of second support plates (13) and is in rotary connection with the second support plates (13); two bevel gears (29) are respectively meshed with the first bevel gear (19) and the supporting mechanism.
5. The barrier-free self-propelled boom lifting platform guard of claim 4, wherein the support mechanism comprises a threaded rod (26), a bevel gear three (28) and a lifting sleeve (25); the bottom of threaded rod (26) is connected with conical gear three (28), conical gear three (28) and conical gear two (29) meshing, lift sleeve (25) cup joint on threaded rod (26) and the top of lift sleeve (25) is located buffer tank (18).
6. The barrier-free self-propelled boom lifting platform protection structure according to claim 5, wherein a limit ring (27) is fixedly sleeved on the smooth section of the threaded rod (26), and the limit ring (27) is rotatably connected with the bottom plate (5).
7. The barrier-free self-propelled boom lifting platform protection structure according to claim 1, wherein two vertical sliding grooves I (3) are formed in opposite side walls of the two side baffles (1), and a transmission cavity (34) which is communicated with the two vertical sliding grooves I (3) at the same time is formed in the side baffle (1); a transmission mechanism III is arranged in the transmission cavity (34), lifting screws (2) are arranged in the two first vertical sliding grooves (3), one end of each lifting screw (2) is rotationally connected with the corresponding first vertical sliding groove (3), a bevel gear seven (35) is arranged at the other end of each lifting screw (2), and the bevel gear seven (35) is positioned in the transmission cavity (34) and meshed with the transmission mechanism III; armrests (21) are sleeved on the two lifting screws (2) of the same side baffle plate (1).
8. The barrier-free self-propelled boom lifting platform protection structure according to claim 7, wherein the transmission mechanism III comprises a stepping motor (32), a transmission rod III (33) and two bevel gears VI (36), the stepping motor (32) is fixedly connected with the end part of the transmission cavity (34), the output end of the stepping motor (32) is fixedly connected with the end part of the transmission rod III (33), and the other end of the transmission rod III (33) is rotatably connected with the side wall of the transmission cavity (34); the two bevel gears six (36) are fixedly sleeved on the transmission rod three (33) and are respectively meshed with the two bevel gears seven (35).
9. The barrier-free self-propelled boom elevating platform guard structure according to any one of claims 1, 7 and 8, wherein a control panel (22) is provided on the side wall of the side guard (1) for adjusting the height of the armrest (21) and the support plate one (20).
10. The barrier-free self-propelled boom lifting platform protection structure according to claim 1, wherein the tops of the bottom plate (5) and the first supporting plate (20) are provided with anti-skid patterns (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410011128.1A CN117509357B (en) | 2024-01-04 | 2024-01-04 | Barrier-free self-propelled arm lifting platform protection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410011128.1A CN117509357B (en) | 2024-01-04 | 2024-01-04 | Barrier-free self-propelled arm lifting platform protection structure |
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| CN117509357A CN117509357A (en) | 2024-02-06 |
| CN117509357B true CN117509357B (en) | 2024-03-15 |
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| CN202410011128.1A Active CN117509357B (en) | 2024-01-04 | 2024-01-04 | Barrier-free self-propelled arm lifting platform protection structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124179A (en) * | 1982-07-30 | 1984-02-15 | Henderson Group | Anti-roll flap and ramp assembly for a vehicle load lifting apparatus |
| CN216403689U (en) * | 2021-09-15 | 2022-04-29 | 南京明顺机械设备有限公司 | Barrier-free protection type wheelchair lifting platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6634049B2 (en) * | 2001-05-07 | 2003-10-21 | Rite-Hite Holding Corporation | Moveable bumper for a dock leveler |
| US10526181B2 (en) * | 2017-03-28 | 2020-01-07 | Honda Motor Co., Ltd. | Barrier system for platform lifts |
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2024
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|---|---|---|---|---|
| GB2124179A (en) * | 1982-07-30 | 1984-02-15 | Henderson Group | Anti-roll flap and ramp assembly for a vehicle load lifting apparatus |
| CN216403689U (en) * | 2021-09-15 | 2022-04-29 | 南京明顺机械设备有限公司 | Barrier-free protection type wheelchair lifting platform |
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