CN111921120B - Equipment for hanging platform - Google Patents
Equipment for hanging platform Download PDFInfo
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- CN111921120B CN111921120B CN202010836855.3A CN202010836855A CN111921120B CN 111921120 B CN111921120 B CN 111921120B CN 202010836855 A CN202010836855 A CN 202010836855A CN 111921120 B CN111921120 B CN 111921120B
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- mounting groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
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Abstract
The invention belongs to the technical field of safety equipment of a hanging platform, and particularly relates to equipment for the hanging platform, which comprises a cross beam, a universal joint mechanism, a sliding rod, a lock catch and a sliding sleeve, wherein in the normal use process, when a worker slowly pulls the sliding rod, the sliding rod can slowly drive a ratchet wheel to rotate through the transmission of a rack and a gear, the rotation speed of the ratchet wheel is relatively slow, the triggering pawl cannot be stirred to swing by a large angle, and then the arc-shaped block is triggered to limit a corresponding pin shaft; therefore, when the sliding rod is pulled normally and slowly, the swinging of the universal joint mechanism does not have a damping effect, the universal joint mechanism can be used normally, and the movement of workers is not influenced. The invention has a plurality of groups of ball circulation in the sliding sleeve; the sliding sleeve is divided into two parts, each part is provided with a plurality of groups of ball circulation, and each group of ball circulation is the same as that of the linear bearing, so that the sliding resistance can be reduced.
Description
Technical Field
The invention belongs to the technical field of safety equipment of a hanging platform, and particularly relates to equipment for the hanging platform.
Background
When high altitude construction such as platform, often can tie up safety rope on one's body at the workman, after taking place to fall, the fall of people can be prevented to the speed differentiator on the safety rope, plays protection workman's effect, but when taking place to fall, if the point of falling is not when hanging under the point, the swing can appear after falling, if in the swing space, when having sharp-pointed object, then can cause workman's damage. It is highly desirable to design a safety device that effectively inhibits swinging after a fall.
The present invention is directed to an apparatus for use with a hanging platform that solves the above problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses equipment for a hanging platform, which is realized by adopting the following technical scheme.
A device for a hanging platform comprises a cross beam, a universal joint mechanism, sliding rods, a lock catch and sliding sleeves, wherein two sliding sleeves are symmetrically arranged at two ends of the cross beam, and the cross beam is detachably arranged on two symmetrically-distributed sliding beams through the two sliding sleeves; the middle of the cross beam is provided with a universal joint mechanism, the slide bar is slidably arranged on the universal joint mechanism, and the lower end of the slide bar is provided with a lock catch through a spherical hinge.
The universal joint mechanism comprises a universal joint outer ring, a universal joint middle ring, a universal joint inner ring, a first trigger toothed bar, a first trigger block, a transmission arc plate, a second trigger block, a second gear ring, a first arc-shaped block, a first transmission plate spring, a second arc-shaped block, a fifth gear, a second trigger toothed bar, a first gear ring, a sixth gear, a third arc-shaped block, a second transmission plate spring, a connection arc plate, a fourth arc-shaped block and an arc-shaped toothed plate, wherein the universal joint outer ring is fixedly arranged on a cross beam, a first pin hole and a second pin hole are formed in the universal joint outer ring, a first mounting groove is formed in one side of the first pin hole, a tenth mounting groove is formed in one side of the first mounting groove, a first ring groove is formed in one side of the tenth mounting groove, and the first ring groove is communicated with the second pin hole; a second mounting groove is formed in one side of the second pin hole; a second pin shaft and a first pin shaft are symmetrically and fixedly arranged on the outer circular surface of the middle ring of the universal joint, and an elliptic cylinder is arranged on the first pin shaft; a third pin hole and a fourth pin hole are formed in the middle ring of the universal joint, a sixth installation groove is formed in one side of the fourth pin hole, a second ring groove is formed in one side of the sixth installation groove, and the second ring groove is communicated with the third pin hole; a fourth mounting groove is formed in one side of the third pin hole; a third mounting groove is formed in one side of the second ring groove; the middle ring of the universal joint is arranged on the outer ring of the universal joint through the rotating matching of the first pin shaft and the second pin shaft as well as the first pin hole and the second pin hole; a third pin shaft and a fourth pin shaft are symmetrically arranged on the outer circular surface of the inner ring of the universal joint, and an elliptic cylinder is arranged on the third pin shaft; the universal joint inner ring is provided with a shaft hole, the lower side of the shaft hole is provided with a seventh installation groove, one side of the seventh installation groove is provided with an eighth installation groove, and one side of the eighth installation groove is provided with a ninth installation groove; one side of the ninth mounting groove is provided with a round pin hole; the universal joint inner ring is arranged on the universal joint middle ring through the corresponding matching of a third pin shaft, a fourth pin hole and a third pin hole; the third rotating shaft is rotatably installed on the inner ring of the universal joint, the arc toothed plate is fixedly installed on the third rotating shaft and located in the seventh installation groove, teeth are arranged on the inner arc surface of the transmission arc plate, the transmission arc plate is slidably installed in the eighth installation groove, and the transmission arc plate is meshed with the arc toothed plate; the first trigger block is provided with an inclined plane and is arranged in the ninth mounting groove in a sliding manner; the first trigger rack is slidably arranged in the circular pin hole, one end of the first trigger rack penetrates through the fourth pin shaft and is positioned in the third pin hole, the sixth gear is rotatably arranged in the fourth mounting groove, and the sixth gear is meshed with the first trigger rack; the second gear ring is rotatably arranged in the second annular groove and meshed with the sixth gear; the fourth arc-shaped block is fixedly arranged on the second gear ring through a connecting arc plate and is positioned in the sixth mounting groove, and the connecting arc plate is positioned in the fifth mounting groove; the third arc-shaped block is slidably arranged in the sixth installation groove, and a second transmission plate spring is arranged between the third arc-shaped block and the fourth arc-shaped block; the third arc-shaped block is matched with the elliptic cylinder on the third pin shaft; the elliptic cylinder on the third pin shaft is matched; the second trigger block is fixedly arranged on the second gear ring and is positioned in the third mounting groove; the second trigger rack is slidably arranged in the second pin hole, the fifth gear is rotatably arranged in the second mounting groove, and the fifth gear is meshed with the second trigger rack; the first gear ring is rotatably arranged in the first annular groove and meshed with the fifth gear; the first arc-shaped block is fixedly arranged on the first gear ring through a connecting arc plate and is positioned in the first mounting groove, and the connecting arc plate is positioned in the tenth mounting groove; the second arc-shaped block is slidably arranged in the first mounting groove, and a first transmission plate spring is arranged between the second arc-shaped block and the first arc-shaped block; the second arc-shaped block is matched with the elliptic cylinder on the first pin shaft.
The upper side of the inner ring of the universal joint is rotatably provided with a ratchet wheel, the pawl is arranged on the upper side of the inner ring of the universal joint in a swinging manner, and the ratchet wheel is matched with the pawl; a reset plate spring and a limiting block which has a limiting effect on the pawl are arranged between the pawl and the inner ring of the universal joint; the slide bar is in transmission connection with the ratchet wheel through the rack and the gear.
When the sliding rod slides downwards relative to the inner ring of the universal joint quickly to drive the ratchet wheel to rotate quickly in the using process, the ratchet wheel drives the pawl to swing.
As a further improvement of the present technology, the sliding sleeve comprises a first half ring, a second half ring and a bolt, wherein one end of the first half ring and one end of the second half ring are connected in a hinged manner, the other end of the first half ring and the other end of the second half ring have a coincidence region, and the coincidence region of the first half ring and the second half ring are fixedly connected by the bolt.
As a further improvement of the technology, a rack is fixedly arranged on the slide bar; the second rotating shaft is rotatably arranged on the upper side of the inner ring of the universal joint through a first support; the third gear is fixedly arranged at one end of the second rotating shaft and is meshed with the rack; the first gear is fixedly arranged at the other end of the second rotating shaft; the first rotating shaft is arranged on the upper side of the inner ring of the universal joint through a second support, the second gear is fixedly arranged on the first rotating shaft, and the second gear is meshed with the first gear; the fourth gear is fixedly arranged on the upper side of the ratchet wheel and is meshed with the second gear.
As a further improvement of the technology, the lower end of the ratchet wheel is fixedly provided with a trapezoidal ring block, and the ratchet wheel is rotatably arranged on the upper side of the inner ring of the universal joint through the trapezoidal ring block.
As a further improvement of the technology, the upper side of the inner ring of the universal joint is provided with a mounting shell, and the mounting shell is provided with a guide hole for the sliding rod to pass through.
As a further improvement of the technology, a limiting plate is installed at the upper end of the sliding rod, and the limiting plate is matched with the upper end face of the installation shell.
As a further improvement of the technology, the universal joint inner ring is provided with a shaft hole, the third rotating shaft is arranged on the universal joint inner ring through the shaft hole, and the pawl is fixedly arranged at one end of the third rotating shaft.
As a further improvement of the technology, the inner ring of the universal joint is provided with a guide sliding groove for the sliding rod to pass through.
As a further improvement of the technology, the limiting toothed bar is a cylinder, and the outer circular surface of the limiting toothed bar is provided with annular teeth which are uniformly distributed along the axial direction.
As a further improvement of the technology, a plurality of groups of balls circulate in the sliding sleeve.
Compared with the traditional safety equipment technology of the hanging platform, the design of the invention has the following beneficial effects:
1. when the sliding rod is vertical, the universal joint mechanism is in a horizontal state. When a worker falls off, the sliding rod is pulled to move downwards through the lock catch, if the sliding rod is in a tilted swinging state at the moment, the sliding rod swings towards the vertical direction relative to the cross beam in the downward sliding process, and the sliding rod swings to drive the universal joint mechanism to swing; in the invention, the damping effect is exerted on the rotation of the pin shaft in the universal joint mechanism in the process; so that the slide bar is slowly and vertically aligned; prevent that the staff from colliding with sharp objects in the swing space in the swing process and hurting the staff.
2. In the normal use process, when a worker slowly pulls the slide rod, the slide rod can slowly drive the ratchet wheel to rotate through the transmission of the rack and the gear, the rotation speed of the ratchet wheel is relatively slow, the trigger pawl cannot be pulled to swing by a large angle, and the arc-shaped block is further triggered to limit the corresponding pin shaft; therefore, when the sliding rod is pulled normally and slowly, the swinging of the universal joint mechanism does not have a damping effect, the universal joint mechanism can be used normally, and the movement of workers is not influenced.
3. The invention has a plurality of groups of ball circulation in the sliding sleeve; the sliding sleeve is divided into two parts, each part is provided with a plurality of groups of ball circulation, and each group of ball circulation is the same as that of the linear bearing, so that the sliding resistance can be reduced.
4. The length of the sliding rod on the upper side of the mounting shell can be determined according to specific requirements, and the sliding rod can be customized according to requirements.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of a sliding sleeve structure.
Figure 3 is a schematic view of a slide bar installation.
Fig. 4 is a schematic view of a slide bar structure.
Fig. 5 is a schematic view of the structure of the mounting case.
Fig. 6 is a schematic view of a third gear and pawl drive.
FIG. 7 is a ratchet mounting schematic.
Fig. 8 is a schematic view of the gimbal mechanism.
FIG. 9 is a schematic view of the outer ring structure of the gimbal.
FIG. 10 is a schematic view of a gimbal ring structure.
FIG. 11 is a schematic view of a gimbal inner ring structure.
Figure 12 is a schematic view of the arcuate toothed plate and the drive arcuate plate drive.
Number designation in the figures: 1. a sliding beam; 2. a cross beam; 3. a gimbal mechanism; 4. a slide bar; 5. locking; 6. a sliding sleeve; 7. a first half ring; 8. a second half ring; 9. a bolt; 10. spherical hinge; 11. a rack; 12. a limiting plate; 13. mounting a shell; 14. a guide hole; 15. a first support; 16. a first gear; 17. a second gear; 18. a first rotating shaft; 19. a second support; 20. a second rotating shaft; 21. a third gear; 22. a fourth gear; 23. a ratchet wheel; 24. a pawl; 25. a third rotating shaft; 26. a reset plate spring; 27. a limiting block; 28. a trapezoidal ring block; 29. a first trigger rack; 30. a first trigger block; 31. a transmission arc plate; 32. a second trigger block; 33. a second ring gear; 34. a first arc-shaped block; 35. a first drive leaf spring; 36. a second arc-shaped block; 37. a first pin shaft; 38. a first ring groove; 39. a gimbal outer ring; 40. a gimbal middle ring; 41. a gimbal inner ring; 42. a first mounting groove; 43. a first pin hole; 44. a second mounting groove; 45. a second pin hole; 46. a second pin shaft; 47. a third pin shaft; 48. a third pin hole; 49. a third mounting groove; 50. a fourth mounting groove; 51. a second ring groove; 52. a fourth pin hole; 53. a fifth mounting groove; 54. a sixth mounting groove; 55. an elliptic cylinder; 56. a guide chute; 57. a fourth pin shaft; 58. a fifth gear; 59. a second trigger rack; 60. a first ring gear; 61. a sixth gear; 62. a third arc-shaped block; 63. a second drive leaf spring; 64. connecting the arc plates; 65. a fourth arc-shaped block; 66. an arc toothed plate; 67. a seventh mounting groove; 68. an eighth mounting groove; 69. a ninth mounting groove; 70. a circular pin hole; 71. a shaft hole; 72. a tenth mounting groove.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the device comprises a cross beam 2, a universal joint mechanism 3, a sliding rod 4, a lock catch 5 and sliding sleeves 6, wherein two sliding sleeves 6 are symmetrically arranged at two ends of the cross beam 2, and the cross beam 2 is detachably arranged on two symmetrically distributed sliding beams 1 through the two sliding sleeves 6; the middle of the beam 2 is provided with a universal joint mechanism 3, as shown in fig. 3, a sliding rod 4 is slidably arranged on the universal joint mechanism 3, and the lower end of the sliding rod 4 is provided with a lock catch 5 through a spherical hinge 10.
The safety device designed by the invention mainly aims at the hanging platform, and the sliding beam 1 provided by the invention is the original structure of the hanging platform. During the use process, a worker moves to pull the cross beam 2 to slide relative to the two sliding beams 1 through the sliding rod 4. The slide rod 4 is connected with the cross beam 2 through the universal joint mechanism 3, the slide rod 4 can swing relative to the cross beam 2 while sliding, namely, when a worker wears the installer, the worker can freely move on the hanging platform, and the normal work of the worker cannot be influenced by the installer.
When the worker wears the safety device again, the lock catch 5 on the safety rope worn on the body is connected with the lock catch 5 on the installer.
As shown in fig. 8, the universal joint mechanism 3 includes a universal joint outer ring 39, a universal joint middle ring 40, a universal joint inner ring 41, a first trigger toothed bar 29, a first trigger block 30, a transmission arc plate 31, a second trigger block 32, a second gear ring 33, a first arc-shaped block 34, a first transmission plate spring 35, a second arc-shaped block 36, a fifth gear 58, a second trigger toothed bar 59, a first gear ring 60, a sixth gear 61, a third arc-shaped block 62, a second transmission plate spring 63, a connection arc plate 64, a fourth arc-shaped block 65, and an arc toothed plate 66, as shown in fig. 1, the gimbal outer ring 39 is fixedly mounted on the cross beam 2, as shown in fig. 9, a first pin hole 43 and a second pin hole 45 are formed in the gimbal outer ring 39, a first mounting groove 42 is formed in one side of the first pin hole 43, a tenth mounting groove 72 is formed in one side of the first mounting groove 42, a first ring groove 38 is formed in one side of the tenth mounting groove 72, and the first ring groove 38 is communicated with the second pin hole 45; a second mounting groove 44 is formed on one side of the second pin hole 45; as shown in fig. 10, a second pin 46 and a first pin 37 are symmetrically and fixedly mounted on the outer circumferential surface of the middle gimbal ring 40, and an elliptic cylinder 55 is arranged on the first pin 37; a third pin hole 48 and a fourth pin hole 52 are formed in the middle universal joint ring 40, a sixth installation groove 54 is formed in one side of the fourth pin hole 52, a second annular groove 51 is formed in one side of the sixth installation groove 54, and the second annular groove 51 is communicated with the third pin hole 48; a fourth mounting groove 50 is formed at one side of the third pin hole 48; one side of the second ring groove 51 is provided with a third mounting groove 49; as shown in fig. 8, the middle joint ring 40 is mounted on the outer joint ring 39 through the rotation fit of the first pin shaft 37 and the second pin shaft 46 with the first pin hole 43 and the second pin hole 45; as shown in fig. 11, a third pin 47 and a fourth pin 57 are symmetrically installed on the outer circumferential surface of the inner gimbal ring 41, and an elliptic cylinder 55 is provided on the third pin 47; the universal joint inner ring 41 is provided with a shaft hole 71, the lower side of the shaft hole 71 is provided with a seventh installation groove 67, one side of the seventh installation groove 67 is provided with an eighth installation groove 68, and one side of the eighth installation groove 68 is provided with a ninth installation groove 69; one side of the ninth mounting groove 69 is provided with a circular pin hole 70; as shown in fig. 8, the inner gimbal ring 41 is mounted on the middle gimbal ring 40 by the corresponding engagement of the third pin shaft 47 and the fourth pin shaft 57 with the fourth pin hole 52 and the third pin hole 48; as shown in fig. 8 and 12, the third rotating shaft 25 is rotatably mounted on the inner gimbal ring 41, the arc toothed plate 66 is fixedly mounted on the third rotating shaft 25 and located in the seventh mounting groove 67, teeth are provided on the inner arc surface of the arc transmission plate 31, the arc transmission plate 31 is slidably mounted in the eighth mounting groove 68, and the arc transmission plate 31 is engaged with the arc toothed plate 66; the first trigger block 30 is provided with an inclined surface, and the first trigger block 30 is slidably arranged in the ninth mounting groove 69; the first trigger rack 29 is slidably mounted in the circular pin hole 70, one end of the first trigger rack 29 passes through the fourth pin shaft 57 and is positioned in the third pin hole 48, the sixth gear 61 is rotatably mounted in the fourth mounting groove 50, and the sixth gear 61 is meshed with the first trigger rack 29; the second ring gear 33 is rotatably mounted in the second ring groove 51, and the second ring gear 33 is meshed with the sixth gear 61; the fourth arc-shaped block 65 is fixedly arranged on the second gear ring 33 through the connecting arc plate 64, the fourth arc-shaped block 65 is positioned in the sixth installation groove 54, and the connecting arc plate 64 is positioned in the fifth installation groove 53; the third arc-shaped block 62 is slidably mounted in the sixth mounting groove 54, and a second transmission plate spring 63 is mounted between the third arc-shaped block 62 and the fourth arc-shaped block 65; the third arc-shaped block 62 is matched with the elliptic cylinder 55 on the third pin shaft 47; the elliptic cylinder 55 on the third pin 47 is matched; the second trigger block 32 is fixedly arranged on the second gear ring 33 and is positioned in the third mounting groove 49; the second trigger gear rod 59 is slidably arranged in the second pin hole 45, the fifth gear 58 is rotatably arranged in the second mounting groove 44, and the fifth gear 58 is meshed with the second trigger gear rod 59; the first gear ring 60 is rotatably mounted in the first annular groove 38, and the first gear ring 60 is meshed with the fifth gear 58; the first arc-shaped block 34 is fixedly arranged on the first gear ring 60 through the connecting arc plate 64, the first arc-shaped block 34 is positioned in the first mounting groove 42, and the connecting arc plate 64 is positioned in the tenth mounting groove 72; the second arc-shaped block 36 is slidably arranged in the first installation groove 42, and a first transmission plate spring 35 is arranged between the second arc-shaped block 36 and the first arc-shaped block 34; the second arc-shaped block 36 cooperates with the elliptical cylinder 55 on the first pin 37.
As shown in fig. 6, a ratchet wheel 23 is rotatably mounted on the upper side of the inner gimbal ring 41, a pawl 24 is swingably mounted on the upper side of the inner gimbal ring 41, and the ratchet wheel 23 is engaged with the pawl 24; a reset plate spring 26 and a limiting block 27 which limits the pawl 24 are arranged between the pawl 24 and the inner universal joint ring 41; the slide bar 4 is in transmission connection with the ratchet wheel 23 through the rack 11 and the gear.
The reset plate spring 26 is used for providing pre-pressure for the pawl 24, so that one end of the pawl 24 and the ratchet wheel 23 are in a matched state in an initial state, and the pawl 24 can be stirred to swing in the rotation process of the ratchet wheel 23; the limiting block 27 designed by the invention has the function of limiting the pawl 24 in the initial state, so that the phenomenon that the contact and matching area of the pawl 24 and the ratchet wheel 23 is too large under the action of the reset plate spring 26 in the initial state, and the ratchet wheel 23 cannot be smoothly separated from the pawl 24 in the rotating process to generate movement interference is avoided. The cooperation of the ratchet wheel 23 and the pawl 24 designed in the present invention is prior art.
In use, when the slide rod 4 slides down rapidly relative to the inner gimbal ring 41 to drive the ratchet wheel 23 to rotate rapidly, the ratchet wheel 23 drives the pawl 24 to swing.
In the invention, when the sliding rod 4 is vertical, the universal joint mechanism 3 is in a horizontal state. When a worker falls off, the sliding rod 4 is pulled to move downwards through the lock catch 5, if the sliding rod 4 is in a tilted swinging state at the moment, the sliding rod 4 swings towards the vertical direction relative to the cross beam 2 in the downward sliding process, and the sliding rod 4 swings to drive the universal joint mechanism 3 to swing; in the invention, the damping effect is exerted on the rotation of the pin shaft in the universal joint mechanism 3 in the process; so that the slide bar 4 is slowly and vertically aligned; prevent that the staff from colliding with sharp objects in the swing space in the swing process and hurting the staff.
In the normal use process, when a worker slowly pulls the sliding rod 4, the sliding rod 4 can slowly drive the ratchet wheel 23 to rotate through the transmission of the rack 11 and the gear, the rotation speed of the ratchet wheel 23 is relatively slow, the trigger pawl 24 cannot be pulled to swing at a large angle, and the arc-shaped block is further triggered to limit the corresponding pin shaft; therefore, when the sliding rod 4 is pulled normally and slowly, the swinging of the universal joint mechanism 3 can not have a damping effect, the universal joint mechanism can be used normally, and the movement of workers can not be influenced.
As shown in fig. 2, the sliding sleeve 6 comprises a first half ring 7, a second half ring 8 and a bolt 9, wherein one end of the first half ring 7 is connected with one end of the second half ring 8 in a hinged manner, the other end of the first half ring 7 is provided with a coincidence area, and the coincidence area of the first half ring 7 is fixedly connected with the coincidence area of the second half ring 8 through the bolt 9. When the device is disassembled, the bolt 9 is loosened, and the first plate ring and the second half ring 8 are opened.
As shown in fig. 4, a rack 11 is fixedly mounted on the sliding rod 4; as shown in fig. 6, the second rotating shaft 20 is rotatably mounted on the upper side of the gimbal inner ring 41 via the first support 15; the third gear 21 is fixedly arranged at one end of the second rotating shaft 20, and the third gear 21 is meshed with the rack 11; the first gear 16 is fixedly arranged at the other end of the second rotating shaft 20; the first rotating shaft 18 is arranged on the upper side of the universal joint inner ring 41 through a second support 19, the second gear 17 is fixedly arranged on the first rotating shaft 18, and the second gear 17 is meshed with the first gear 16; the fourth gear 22 is fixedly mounted on the upper side of the ratchet wheel 23, and the fourth gear 22 is meshed with the second gear 17.
As shown in fig. 7, a trapezoidal ring block 28 is fixedly mounted on the lower end of the ratchet wheel 23, and the ratchet wheel 23 is rotatably mounted on the upper side of the universal joint inner ring 41 through the trapezoidal ring block 28.
As shown in fig. 1 and 5, a mounting shell 13 is mounted on the upper side of the inner gimbal ring 41, and a guide hole 14 for the sliding rod 4 to pass through is formed in the mounting shell 13.
As shown in fig. 4, a stopper plate 12 is mounted on the upper end of the slide rod 4, and the stopper plate 12 is engaged with the upper end surface of the mounting case 13. The length of the sliding rod 4 on the upper side of the mounting shell 13 can be determined according to specific requirements, and the sliding rod 4 can be customized according to requirements. The limiting plate 12 is used for limiting the downward movement of the sliding rod 4.
As shown in fig. 11, the inner gimbal ring 41 is provided with a shaft hole 71, and as shown in fig. 8, the third rotating shaft 25 is mounted on the inner gimbal ring 41 through the shaft hole 71, and the pawl 24 is fixedly mounted on one end of the third rotating shaft 25.
As shown in fig. 11, the inner gimbal ring 41 has a guide runner 56 for the sliding rod 4 to pass through.
The limiting toothed bar is a cylinder, and the outer circular surface of the limiting toothed bar is provided with annular teeth which are uniformly distributed along the axis direction.
A plurality of groups of ball circulation are arranged in the sliding sleeve 6; the sliding sleeve 6 is divided into two parts, each of which has a plurality of ball circulation groups, each of which is identical to that of the linear bearing, and thus the sliding resistance can be reduced.
The specific working process is as follows: when the safety device designed by the invention is used, in the normal use process, when a worker slowly pulls the sliding rod 4 to move, the sliding rod 4 can drive the rack 11 to move, the rack 11 moves to drive the third gear 21 to rotate, the third gear 21 rotates to drive the second rotating shaft 20 to rotate, the second rotating shaft 20 rotates to drive the first gear 16 to rotate, the first gear 16 rotates to drive the second gear 17 to rotate, the second gear 17 rotates to drive the fourth gear 22 to rotate, and the fourth gear 22 rotates to drive the ratchet wheel 23 to slowly rotate; in the process, the rotating speed of the ratchet wheel 23 only drives the pawl 24 to slightly swing, and the limit of the arc-shaped block on the corresponding pin shaft cannot be triggered; therefore, when the sliding rod 4 is pulled normally and slowly, the swinging of the universal joint mechanism 3 can not have a damping effect, the universal joint mechanism can be used normally, and the movement of workers can not be influenced.
In the using process, if a worker falls, the worker can pull the sliding rod 4 to move downwards through the lock catch 5, if the sliding rod 4 is in a tilted swinging state at the moment, the sliding rod 4 can swing towards the vertical direction relative to the cross beam 2 in the downward sliding process, and the sliding rod 4 swings to drive the universal joint mechanism 3 to swing; in the process of moving the slide bar 4 downwards, the slide bar 4 drives the ratchet wheel 23 to rotate rapidly through the rack 11, the third gear 21, the first gear 16 and the second gear 17, the ratchet wheel 23 rotates rapidly to trigger the pawl 24 to swing greatly, the pawl 24 swings to drive the third rotating shaft 25 to rotate, the third rotating shaft 25 rotates to drive the arc toothed plate 66 to swing, the arc toothed plate 66 swings to drive the transmission arc plate 31 to slide, the transmission arc plate 31 slides to drive the first trigger block 30 to slide, the first trigger block 30 slides to press the first trigger toothed bar 29 to slide through the inclined surface thereon, the first trigger toothed bar 29 slides to drive the sixth gear 61 to rotate, the sixth gear 61 rotates to drive the second gear ring 33 to rotate, the second gear ring 33 rotates to drive the corresponding connecting arc plate 64 to slide, the connecting arc plate 64 slides to drive the fourth arc block 65 to slide, the fourth arc block 65 slides to drive the third arc block 62 to slide through the corresponding second transmission plate spring 63, the two third arc-shaped blocks 62 are in contact with the elliptic cylinders 55 on the third pin shafts 47 and extrude the corresponding elliptic cylinders 55 to play a role in damping the third pin shafts 47, namely, the swinging of the universal joint inner ring 41 relative to the universal joint middle ring 40; the second gear ring 33 rotates and simultaneously drives the second trigger block 32 to slide, the second trigger block 32 slides to extrude the second trigger rack 59 to slide through the inclined surface on the second trigger block, the second trigger rack 59 slides to drive the fifth gear 58 to rotate, the fifth gear 58 rotates to drive the first gear ring 60 to rotate, the first gear ring 60 rotates to drive the corresponding connecting arc plate 64 to slide, the connecting arc plate 64 slides to drive the first arc block 34 to slide, the first arc block 34 slides to drive the second arc block 36 to slide through the corresponding first transmission plate spring 35, so that the two second arc blocks 36 are in contact with the elliptic columns 55 on the first pin shafts 37 and extrude the corresponding elliptic columns 55 to play a damping role in the first pin shafts 37, namely, the damping role is played in damping the swinging of the universal joint middle ring 40 relative to the universal joint outer ring 39; namely, the universal joint mechanism 3 is damped, so that the slide rod 4 slowly swings to a vertical state; prevent that the staff from colliding with sharp objects in the swing space in the swing process and hurting the staff.
Claims (9)
1. An apparatus for use with a hanging platform, characterized by: the universal joint comprises a cross beam, a universal joint mechanism, a sliding rod, a lock catch and sliding sleeves, wherein two sliding sleeves are symmetrically arranged at two ends of the cross beam, and the cross beam is detachably arranged on two symmetrically distributed sliding beams through the two sliding sleeves; the middle of the cross beam is provided with a universal joint mechanism, the sliding rod is slidably arranged on the universal joint mechanism, and the lower end of the sliding rod is provided with a lock catch through a spherical hinge;
the universal joint mechanism comprises a universal joint outer ring, a universal joint middle ring, a universal joint inner ring, a first trigger toothed bar, a first trigger block, a transmission arc plate, a second trigger block, a second gear ring, a first arc-shaped block, a first transmission plate spring, a second arc-shaped block, a fifth gear, a second trigger toothed bar, a first gear ring, a sixth gear, a third arc-shaped block, a second transmission plate spring, a connection arc plate, a fourth arc-shaped block and an arc-shaped toothed plate, wherein the universal joint outer ring is fixedly arranged on a cross beam, a first pin hole and a second pin hole are formed in the universal joint outer ring, a first mounting groove is formed in one side of the first pin hole, a tenth mounting groove is formed in one side of the first mounting groove, a first ring groove is formed in one side of the tenth mounting groove, and the first ring groove is communicated with the second pin hole; a second mounting groove is formed in one side of the second pin hole; a second pin shaft and a first pin shaft are symmetrically and fixedly arranged on the outer circular surface of the middle ring of the universal joint, and an elliptic cylinder is arranged on the first pin shaft; a third pin hole and a fourth pin hole are formed in the middle ring of the universal joint, a sixth installation groove is formed in one side of the fourth pin hole, a second ring groove is formed in one side of the sixth installation groove, and the second ring groove is communicated with the third pin hole; a fourth mounting groove is formed in one side of the third pin hole; a third mounting groove is formed in one side of the second ring groove; the middle ring of the universal joint is arranged on the outer ring of the universal joint through the rotating matching of the first pin shaft and the second pin shaft as well as the first pin hole and the second pin hole; a third pin shaft and a fourth pin shaft are symmetrically arranged on the outer circular surface of the inner ring of the universal joint, and an elliptic cylinder is arranged on the third pin shaft; the universal joint inner ring is provided with a shaft hole, the lower side of the shaft hole is provided with a seventh installation groove, one side of the seventh installation groove is provided with an eighth installation groove, and one side of the eighth installation groove is provided with a ninth installation groove; one side of the ninth mounting groove is provided with a round pin hole; the universal joint inner ring is arranged on the universal joint middle ring through the corresponding matching of a third pin shaft, a fourth pin hole and a third pin hole; the third rotating shaft is rotatably installed on the inner ring of the universal joint, the arc toothed plate is fixedly installed on the third rotating shaft and located in the seventh installation groove, teeth are arranged on the inner arc surface of the transmission arc plate, the transmission arc plate is slidably installed in the eighth installation groove, and the transmission arc plate is meshed with the arc toothed plate; the first trigger block is provided with an inclined plane and is arranged in the ninth mounting groove in a sliding manner; the first trigger rack is slidably arranged in the circular pin hole, one end of the first trigger rack penetrates through the fourth pin shaft and is positioned in the third pin hole, the sixth gear is rotatably arranged in the fourth mounting groove, and the sixth gear is meshed with the first trigger rack; the second gear ring is rotatably arranged in the second annular groove and meshed with the sixth gear; the fourth arc-shaped block is fixedly arranged on the second gear ring through a connecting arc plate and is positioned in the sixth mounting groove, and the connecting arc plate is positioned in the fifth mounting groove; the third arc-shaped block is slidably arranged in the sixth installation groove, and a second transmission plate spring is arranged between the third arc-shaped block and the fourth arc-shaped block; the third arc-shaped block is matched with the elliptic cylinder on the third pin shaft; the elliptic cylinder on the third pin shaft is matched; the second trigger block is fixedly arranged on the second gear ring and is positioned in the third mounting groove; the second trigger rack is slidably arranged in the second pin hole, the fifth gear is rotatably arranged in the second mounting groove, and the fifth gear is meshed with the second trigger rack; the first gear ring is rotatably arranged in the first annular groove and meshed with the fifth gear; the first arc-shaped block is fixedly arranged on the first gear ring through a connecting arc plate and is positioned in the first mounting groove, and the connecting arc plate is positioned in the tenth mounting groove; the second arc-shaped block is slidably arranged in the first mounting groove, and a first transmission plate spring is arranged between the second arc-shaped block and the first arc-shaped block; the second arc-shaped block is matched with the elliptic cylinder on the first pin shaft;
the upper side of the inner ring of the universal joint is rotatably provided with a ratchet wheel, the pawl is arranged on the upper side of the inner ring of the universal joint in a swinging manner, and the ratchet wheel is matched with the pawl; a reset plate spring and a limiting block which has a limiting effect on the pawl are arranged between the pawl and the inner ring of the universal joint; the sliding rod is in transmission connection with the ratchet wheel through a rack and a gear;
when the sliding rod rapidly slides downwards relative to the inner ring of the universal joint to drive the ratchet wheel to rapidly rotate in the using process, the ratchet wheel drives the pawl to swing;
the sliding rod is fixedly provided with a rack; the second rotating shaft is rotatably arranged on the upper side of the inner ring of the universal joint through a first support; the third gear is fixedly arranged at one end of the second rotating shaft and is meshed with the rack; the first gear is fixedly arranged at the other end of the second rotating shaft; the first rotating shaft is arranged on the upper side of the inner ring of the universal joint through a second support, the second gear is fixedly arranged on the first rotating shaft, and the second gear is meshed with the first gear; the fourth gear is fixedly arranged on the upper side of the ratchet wheel and is meshed with the second gear.
2. An apparatus for use with a hanging platform as defined in claim 1, wherein: the sliding sleeve comprises a first half ring, a second half ring and a bolt, wherein one end of the first half ring is connected with one end of the second half ring in a hinged mode, the other end of the first half ring is provided with a coincidence region, and the coincidence region of the first half ring is fixedly connected with the coincidence region of the second half ring through the bolt.
3. An apparatus for use with a hanging platform as defined in claim 1, wherein: the lower end of the ratchet wheel is fixedly provided with a trapezoidal ring block, and the ratchet wheel is rotatably arranged on the upper side of the inner ring of the universal joint through the trapezoidal ring block.
4. An apparatus for use with a hanging platform as defined in claim 1, wherein: and a mounting shell is mounted on the upper side of the inner ring of the universal joint, and a guide hole for the sliding rod to pass through is formed in the mounting shell.
5. An apparatus for use with a hanging platform as defined in claim 4, wherein: and a limiting plate is arranged at the upper end of the sliding rod and matched with the upper end surface of the mounting shell.
6. An apparatus for use with a hanging platform as defined in claim 1, wherein: the universal joint inner ring is provided with a shaft hole, the third rotating shaft is arranged on the universal joint inner ring through the shaft hole, and the pawl is fixedly arranged at one end of the third rotating shaft.
7. An apparatus for use with a hanging platform as defined in claim 1, wherein: the inner ring of the universal joint is provided with a guide chute for the sliding rod to pass through.
8. An apparatus for use with a hanging platform as defined in claim 1, wherein: the limiting toothed bar is a cylinder, and the outer circular surface of the limiting toothed bar is provided with annular teeth which are uniformly distributed along the axis direction.
9. An apparatus for use with a hanging platform as defined in claim 1, wherein: the sliding sleeve is internally provided with a plurality of groups of ball circulation.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630057.XA CN113200485A (en) | 2020-08-19 | 2020-08-19 | Equipment for preventing falling and swinging for hanging platform |
| CN202010836855.3A CN111921120B (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
| CN202110630087.0A CN113200486A (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836855.3A CN111921120B (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630087.0A Division CN113200486A (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
| CN202110630057.XA Division CN113200485A (en) | 2020-08-19 | 2020-08-19 | Equipment for preventing falling and swinging for hanging platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111921120A CN111921120A (en) | 2020-11-13 |
| CN111921120B true CN111921120B (en) | 2021-06-04 |
Family
ID=73305341
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010836855.3A Active CN111921120B (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
| CN202110630087.0A Withdrawn CN113200486A (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
| CN202110630057.XA Withdrawn CN113200485A (en) | 2020-08-19 | 2020-08-19 | Equipment for preventing falling and swinging for hanging platform |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630087.0A Withdrawn CN113200486A (en) | 2020-08-19 | 2020-08-19 | Equipment for hanging platform |
| CN202110630057.XA Withdrawn CN113200485A (en) | 2020-08-19 | 2020-08-19 | Equipment for preventing falling and swinging for hanging platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN111921120B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094475A (en) * | 1975-05-07 | 1978-06-13 | Takata Kojyo Co. Ltd. | Automatic locking safety belt retractor |
| CN201668900U (en) * | 2010-05-24 | 2010-12-15 | 杭州贝特设备制造有限公司 | High-altitude work falling prevention device |
| CN107386769A (en) * | 2017-08-10 | 2017-11-24 | 程志勇 | It is a kind of to prevent because of the electric pole that ground extrudes and swings |
| CN107661586A (en) * | 2017-09-19 | 2018-02-06 | 李忠华 | A kind of construction hanging rack for safety belt |
| CN108837513A (en) * | 2018-06-29 | 2018-11-20 | 张晓健 | A kind of self-adjustable swing with defencive function |
| CN109350873A (en) * | 2018-09-04 | 2019-02-19 | 贵州电网有限责任公司 | The hanging rescue mode of electric aerial work personnel |
-
2020
- 2020-08-19 CN CN202010836855.3A patent/CN111921120B/en active Active
- 2020-08-19 CN CN202110630087.0A patent/CN113200486A/en not_active Withdrawn
- 2020-08-19 CN CN202110630057.XA patent/CN113200485A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094475A (en) * | 1975-05-07 | 1978-06-13 | Takata Kojyo Co. Ltd. | Automatic locking safety belt retractor |
| CN201668900U (en) * | 2010-05-24 | 2010-12-15 | 杭州贝特设备制造有限公司 | High-altitude work falling prevention device |
| CN107386769A (en) * | 2017-08-10 | 2017-11-24 | 程志勇 | It is a kind of to prevent because of the electric pole that ground extrudes and swings |
| CN107661586A (en) * | 2017-09-19 | 2018-02-06 | 李忠华 | A kind of construction hanging rack for safety belt |
| CN108837513A (en) * | 2018-06-29 | 2018-11-20 | 张晓健 | A kind of self-adjustable swing with defencive function |
| CN109350873A (en) * | 2018-09-04 | 2019-02-19 | 贵州电网有限责任公司 | The hanging rescue mode of electric aerial work personnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111921120A (en) | 2020-11-13 |
| CN113200485A (en) | 2021-08-03 |
| CN113200486A (en) | 2021-08-03 |
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Effective date of registration: 20221021 Address after: 311414 No. 991, Kou Kou village, Dayuan Town, Fuyang District, Hangzhou, Zhejiang. Patentee after: HANGZHOU DINGHAO NEW MATERIAL Co.,Ltd. Address before: No.6 Shengfeng Road, Xindeng Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Fuchun Industry Co.,Ltd. |
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Denomination of invention: A kind of equipment used for lifting platform Effective date of registration: 20221025 Granted publication date: 20210604 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: HANGZHOU DINGHAO NEW MATERIAL Co.,Ltd. Registration number: Y2022980019547 |
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Date of cancellation: 20230725 Granted publication date: 20210604 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: HANGZHOU DINGHAO NEW MATERIAL Co.,Ltd. Registration number: Y2022980019547 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |