CN114104903A

CN114104903A - Safety braking ventilation elevator

Info

Publication number: CN114104903A
Application number: CN202111462054.6A
Authority: CN
Inventors: 柴先云
Original assignee: Shanghai Lingci Mechanical Equipment Co ltd
Current assignee: Xi'an Zhuangchen Property Management Service Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-03-01
Anticipated expiration: 2041-12-02
Also published as: CN114104903B

Abstract

The invention belongs to the field of elevator safety, and particularly relates to a safety braking ventilation elevator which comprises guide rails, wherein an elevator box body is arranged between the guide rails in a vertically sliding mode, a ventilation module is arranged above the elevator box body, a supporting seat sliding on the guide rails is fixedly arranged below the elevator box body, an elevator door is arranged on the side edge, away from the guide rails, of the elevator box body, an anti-falling driving module is arranged in the supporting seat, a door closing judging module is arranged on one side, close to the guide rails, of the elevator box body below the elevator door, and an anti-falling module is arranged between the anti-falling driving module and the door closing judging module.

Description

Safety braking ventilation elevator

Technical Field

The invention belongs to the field of elevator safety, and particularly relates to a safety braking and ventilating elevator.

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, the elevator car of the permanent transportation device runs on at least two rows of rigid rails which are vertical to the horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, the height of the elevator in the running process is different from ten meters up and down to hundreds of meters, and the safety in the running process is particularly important.

The following problems exist in the prior art:

firstly, electronic sensors are mostly adopted for preventing the elevator cage from falling, and the elevator has no further safeguard measures under the conditions that a lifting steel rope is broken and power supply is lost or the sensors are out of order.

Secondly, the braking of the existing elevator during stopping between floors is controlled by electrification, so that accidents are easily caused by the movement of the elevator when the door is not closed.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a safety braking ventilation elevator which can further improve the safety of the elevator.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a safety braking ventilation elevator, includes two guide rails, two it is equipped with the elevator box to slide from top to bottom between the guide rail, elevator box top is equipped with ventilation module, elevator box below sets firmly gliding supporting seat on the guide rail, the side that the guide rail was kept away from to the elevator box opens there is the lift-cabin door, be equipped with in the supporting seat and prevent weighing down the drive module, it is equipped with the decision module of closing the door to be close to guide rail one side in the elevator box of lift-cabin door below, prevent weighing down the drive module and close and be equipped with between the decision module of closing the door and prevent weighing down the module.

Preferably, the anti-falling driving module comprises a roller which is in contact with the guide rail, a first rotating shaft which rotates in the supporting seat is fixedly arranged in the middle of the roller, a first bevel gear is fixedly arranged on an outer cylindrical surface at one end of the first rotating shaft, a second bevel gear is arranged above the first bevel gear, the first bevel gear and the second bevel gear are in meshing transmission, a toothed ring is arranged on one side, away from the guide rail, of the roller, the toothed ring is in meshing transmission with the roller, a rotating box is fixedly arranged on the inner wall of the toothed ring, a third rotating shaft which rotates in the supporting seat is fixedly arranged on one side, away from the second bevel gear, of the rotating box, and a speed sensor which is used for detecting the rotating speed of the third rotating shaft is arranged beside the third rotating shaft.

Preferably, the rotating box has the rotor set firmly, it is equipped with a plurality of sliders to slide on the rotor, be equipped with first extension spring between slider and the rotor, the rotor outside is equipped with the bearing body, it has the draw-in groove corresponding with the slider to open on the bearing body, the bearing body is kept away from rotor one side and is set firmly the fourth axis of rotation.

Preferably, the ventilation module is including linking firmly the transmission shaft in second bevel gear top, the transmission shaft other end has set firmly first gear, first gear is kept away from guide rail one side and is equipped with the second gear, second gear and first gear engagement transmission, set firmly pivoted fifth axis of rotation on the elevator box in the middle of the second gear, this has the blade ring gear in first gear one side is kept away from to the second gear, second gear and blade ring gear engagement transmission, blade ring gear center department is equipped with the center pin, the blade has set firmly between center pin and the blade ring gear.

Preferably, the anti-falling module comprises a third bevel gear fixedly connected to the other end of the fourth rotating shaft, a fourth bevel gear is arranged on one side, close to the guide rail, of the third bevel gear, the third bevel gear is in meshing transmission with the fourth bevel gear, a screw is fixedly connected to one side, close to the guide rail, of the fourth bevel gear, a threaded sleeve is sleeved outside the screw, the screw is in meshing transmission with the threaded sleeve, a push plate is arranged on one side, close to the guide rail, of the threaded sleeve in a sliding mode, a braking cutter is fixedly arranged on one side, far away from the threaded sleeve, of the push plate, a bearing push plate is fixedly arranged on the push plate, a pushing block is arranged on one side, far away from the push plate, of the bearing push plate, a bearing rod is fixedly arranged between the bearing push plate and the pushing block, and a safety tongs wedge block for braking of the elevator is arranged on one side, far away from the bearing rod.

Preferably, the door closing determination module comprises a sliding block fixedly arranged at the bottom of the elevator door, a push rod sliding in the elevator box is arranged on one side, close to the guide rail, of the sliding block, a baffle is fixedly arranged on the push rod, a first spring is arranged between the baffle and the elevator box, a first piston is fixedly arranged at the other end of the push rod, a first hydraulic cylinder is externally arranged on the first piston, the first piston slides in the first hydraulic cylinder, a second hydraulic cylinder is fixedly arranged on one side, far away from the push rod, of the first hydraulic cylinder, a through hole is formed between the first hydraulic cylinder and the second hydraulic cylinder, a second piston is slidably arranged in the second hydraulic cylinder, and a push rod is fixedly arranged on one side, close to the safety tongs wedge block, of the second piston.

Has the advantages that:

1. the anti-falling device adopts multiple insurance to prevent falling, wherein the anti-falling driving module and the anti-falling module are mechanically driven, so that the reliability is high, and the use safety of the device is effectively improved.

2. The door closing judgment module can keep the safety gear wedge block tight under the condition that the door is not closed, so that the elevator is prevented from moving when the door is not closed.

3. The ventilation module can utilize the extra power drive of preventing weighing down the judgement module, carries out inside and outside ventilation to the elevator, and the dirty degree in the exchange air reduction railway carriage or compartment.

Drawings

FIG. 1 is a perspective view of a solid of the present invention

FIG. 2 is a front view of the present invention

FIG. 3 is a sectional view taken along line A-A in FIG. 2

FIG. 4 is a partial enlarged view of the portion B in FIG. 3

FIG. 5 is a partial enlarged view of the portion C in FIG. 3

FIG. 6 is a partial enlarged view of the portion D in FIG. 3

FIG. 7 is a partial enlarged view of the portion E in FIG. 2

In the figure: 11. a roller; 12. a first rotating shaft; 13. a first bevel gear; 14. a second bevel gear; 15. a toothed ring; 16. a rotating box; 17. a third rotating shaft; 18. a speed sensor; 19. a rotating body; 20. a slider; 21. a first tension spring; 22. a fourth rotating shaft; 23. a third bevel gear; 24. a fourth bevel gear; 25. a screw; 26. a threaded sleeve; 27. pushing the plate; 28. braking the cutter; 29. a safety tong wedge block; 30. carrying the push plate; 31. a pressure-bearing rod; 32. a pushing block; 33. a top rod; 34. a baffle plate; 35. a first spring; 36. a first piston; 37. a first hydraulic cylinder; 38. a second hydraulic cylinder; 39. a through hole; 40. a second piston; 41. a top rod; 42. a drive shaft; 43. a first gear; 44. a second gear; 45. a fifth rotating shaft; 46. a blade ring gear; 47. a central shaft; 48. a blade; 49. a card slot; 50. a receiving body; 51. a guide rail; 52. an elevator car body; 53. a ventilation module; 54. an elevator door; 55. a supporting seat; 56. the anti-falling driving module; 57. the anti-falling module; 58. a door closing determination module; 59. a slider;

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

With reference to fig. 1-7, a safety braking ventilation elevator comprises two guide rails 51, an elevator box 52 is arranged between the two guide rails 51 in a vertically sliding manner, a ventilation module 53 is arranged above the elevator box 52, a support seat 55 sliding on the guide rails 51 is fixedly arranged below the elevator box 52, an elevator door 54 is arranged on the side of the elevator box 52 far away from the guide rails 51, an anti-falling driving module 56 is arranged in the support seat 55, a door closing judging module 58 is arranged on one side of the elevator box 52 close to the guide rails 51 and below the elevator door 54, and an anti-falling module 57 is arranged between the anti-falling driving module 56 and the door closing judging module 58.

Furthermore, the anti-falling driving module 56 includes a roller 11 contacting with the guide rail 51, a first rotating shaft 12 rotating in the support seat 55 is fixedly arranged in the middle of the roller 11, a first bevel gear 13 is fixedly arranged on an outer cylindrical surface at one end of the first rotating shaft 12, a second bevel gear 14 is arranged above the first bevel gear 13, the first bevel gear 13 and the second bevel gear 14 are in meshing transmission, a toothed ring 15 is arranged on one side of the roller 11 away from the guide rail 51, the toothed ring 15 and the roller 11 are in meshing transmission, a rotating box 16 is fixedly arranged on the inner wall of the toothed ring 15, a third rotating shaft 17 rotating in the support seat 55 is fixedly arranged on one side of the rotating box 16 away from the second bevel gear 14, and a speed sensor 18 for detecting the rotating speed of the third rotating shaft 17 is arranged beside the third rotating shaft 17.

Furthermore, a rotating body 19 is fixedly arranged in the rotating box 16, a plurality of sliding blocks 20 are arranged on the rotating body 19 in a sliding manner, a first tension spring 21 is arranged between each sliding block 20 and the corresponding rotating body 19, a bearing body 50 is arranged on the outer side of the rotating body 19, a clamping groove 49 corresponding to each sliding block 20 is formed in each bearing body 50, and a fourth rotating shaft 22 is fixedly arranged on one side, away from the rotating body 19, of each bearing body 50.

Further, the ventilation module 53 includes a transmission shaft 42 fixedly connected above the second bevel gear 14, a first gear 43 is fixedly arranged at the other end of the transmission shaft 42, a second gear 44 is arranged at one side of the first gear 43 far away from the guide rail 51, the second gear 44 is in meshing transmission with the first gear 43, a fifth rotating shaft 45 rotating on the elevator box 52 is fixedly arranged in the middle of the second gear 44, a blade gear ring 46 is arranged at one side of the second gear 44 far away from the first gear 43, the second gear 44 is in meshing transmission with the blade gear ring 46, a central shaft 47 is arranged at the center of the blade gear ring 46, and blades 48 are fixedly arranged between the central shaft 47 and the blade gear ring 46.

Furthermore, the anti-falling module 57 includes a third bevel gear 23 fixedly connected to the other end of the fourth rotating shaft 22, one side of the third bevel gear 23 close to the guide rail 51 is provided with a fourth bevel gear 24, the third bevel gear 23 and the fourth bevel gear 24 are in meshing transmission, one side of the fourth bevel gear 24 close to the guide rail 51 is fixedly connected with a screw 25, the screw 25 is externally sleeved with a threaded sleeve 26, the screw 25 and the threaded sleeve 26 are in meshing transmission, one side of the threaded sleeve 26 close to the guide rail 51 is provided with a push plate 27 in a sliding manner, one side of the push plate 27 far away from the threaded sleeve 26 is fixedly provided with a brake cutter 28, the push plate 27 is fixedly provided with a receiving push plate 30, one side of the receiving push plate 30 far away from the push plate 27 is provided with a pushing block 32, a receiving rod 31 is fixedly arranged between the receiving push plate 30 and the pushing block 32, and one side of the pushing block 32 far away from the receiving rod 31 is provided with a safety tongs wedge 29 for braking the elevator.

Further, the door closing determination module 58 includes a slide block 59 fixedly disposed at the bottom of the elevator door 54, a push rod 33 sliding in the elevator box 52 is disposed on one side of the slide block 59 close to the guide rail 51, a baffle 34 is fixedly disposed on the push rod 33, a first spring 35 is disposed between the baffle 34 and the elevator box 52, a first piston 36 is fixedly disposed at the other end of the push rod 33, a first hydraulic cylinder 37 is disposed outside the first piston 36, the first piston 36 slides in the first hydraulic cylinder 37, a second hydraulic cylinder 38 is fixedly disposed on one side of the first hydraulic cylinder 37 away from the push rod 33, a through hole 39 is disposed between the first hydraulic cylinder 37 and the second hydraulic cylinder 38, a second piston 40 is slidably disposed in the second hydraulic cylinder 38, and a push rod 41 is fixedly disposed on one side of the second piston 40 close to the safety gear wedge 29.

Principle of operation

After the elevator is started, the elevator moves up and down to drive the roller 11 to roll on the guide rail 51, the roller 11 is driven to rotate, the roller 11 rotates to drive the first rotating shaft 12 to rotate, the first rotating shaft 12 rotates to drive the first bevel gear 13 to rotate, the first bevel gear 13 rotates to drive the second bevel gear 14 to rotate, the rotation of the second bevel gear 14 is transmitted to the transmission shaft 42 to drive the transmission shaft 42 to rotate, the transmission shaft 42 drives the first gear 43 to rotate, the first gear 43 drives the second gear 44 to rotate the second gear 44 to drive the blade gear ring 46 to rotate, the blade gear ring 46 drives the blades 48 and the central shaft 47 to rotate, the rotating directions of the blades 48 on every two central shafts 47 are opposite, a good ventilation environment can be ensured in the elevator in the up-and-down process of the elevator all the time, the air pollution degree is reduced, the rotation of the roller 11 also drives the gear ring 15 to rotate, the gear ring 15 rotates to drive the rotating box 16 to rotate, the rotation box 16 rotates to drive the third rotation shaft 17 to rotate, when the third rotation shaft 17 rotates too fast, the speed sensor 18 detects that the numerical value is too high, the safety gear wedge block 29 clamps the guide rail 51 to start braking, the braking process is acted with the speed sensors at other positions, the reliability is improved, the rotation box 16 rotates to drive the rotation body 19 to rotate, the rotation body 19 rotates, the sliding block 20 has the tendency of being thrown out outwards under the action of centrifugal force, when the rotation speed of the rotation body 19 is fast enough, the sliding block 20 is thrown out and inserted into the clamping groove 49, and the bearing body 50 is driven to rotate.

The bearing body 50 drives the fourth rotating shaft 22 to rotate, the fourth rotating shaft 22 rotates to drive the third bevel gear 23 to rotate, the third bevel gear 23 rotates to drive the fourth bevel gear 24 to rotate, the fourth bevel gear 24 rotates to drive the screw rod 25 to rotate, the screw rod 25 rotates to push the threaded sleeve 26 out towards the guide rail 51, the threaded sleeve 26 pushes the push plate 27, the push plate 27 pushes the bearing push plate 30, the bearing push plate 30 pushes the bearing rod 31 and the push block 32 to push the safety gear wedge block 29 towards the guide rail 51, the situation that the safety gear cannot brake due to failure of an electronic sensor when the elevator descends too fast is prevented, when the safety gear wedge block 29 is attached to the guide rail 51, the bearing rod 31 is compressed, the push plate 27 drives the brake cutter 28 to be pricked into the guide rail 51, and the descending is prevented by using resistance generated by metal cutting.

When the elevator stops at each floor, the elevator door 54 is opened to drive the sliding block 59 to move, the sliding block 59 moves in place to enable the ejector rod 33 to move towards the first piston 36, meanwhile, the ejector rod 33 pushes the baffle 34 to compress the first spring 35, after the elevator door 54 is closed, the first spring 35 pushes the baffle 34 to drive the ejector rod 33 to reset, the ejector rod 33 pushes the first piston 36, the first piston 36 slides in the first hydraulic cylinder 37 to press hydraulic oil in the first hydraulic cylinder 37 into the second hydraulic cylinder 38 through the through hole 39, the hydraulic oil pushes the second piston 40 to move, the second piston 40 pushes the ejector rod 41 to press the safety tongs wedge block 29 in a braking state, and the elevator is prevented from moving under the condition that other brake identification failures occur when the elevator door 54 is not closed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a safety braking ventilation elevator, includes two guide rails (51), its characterized in that, two it is equipped with elevator box (52) to slide from top to bottom between guide rail (51), elevator box (52) top is equipped with ventilation module (53), the gliding supporting seat (55) on guide rail (51) has been set firmly in elevator box (52) below, the side that elevator box (52) kept away from guide rail (51) is opened has lift-cabin door (54), be equipped with in supporting seat (55) and prevent weighing down drive module (56), it is equipped with door closing judgment module (58) to be close to guide rail (51) one side in elevator box (52) of lift-cabin door (54) below, prevent weighing down drive module (56) and close and be equipped with between door judgment module (58) and prevent weighing down module (57).

2. The safety braking ventilation elevator as claimed in claim 1, wherein the anti-falling driving module (56) comprises a roller (11) contacting with the guide rail (51), a first rotating shaft (12) rotating in the support seat (55) is fixedly arranged in the middle of the roller (11), a first bevel gear (13) is fixedly arranged on an outer cylindrical surface at one end of the first rotating shaft (12), a second bevel gear (14) is arranged above the first bevel gear (13), the first bevel gear (13) and the second bevel gear (14) are in meshing transmission, a toothed ring (15) is arranged on one side of the roller (11) far away from the guide rail (51), the toothed ring (15) and the roller (11) are in meshing transmission, a rotating box (16) is fixedly arranged on the inner wall of the toothed ring (15), a third rotating shaft (17) rotating in the support seat (55) is fixedly arranged on one side of the rotating box (16) far away from the gear (14), and a speed sensor (18) for detecting the rotating speed of the third rotating shaft (17) is arranged beside the third rotating shaft (17).

3. The safety braking ventilation elevator as claimed in claim 2, wherein a rotating body (19) is fixedly arranged in the rotating box (16), a plurality of sliding blocks (20) are slidably arranged on the rotating body (19), a first tension spring (21) is arranged between each sliding block (20) and the corresponding rotating body (19), a bearing body (50) is arranged on the outer side of the rotating body (19), a clamping groove (49) corresponding to each sliding block (20) is formed in each bearing body (50), and a fourth rotating shaft (22) is fixedly arranged on one side, away from the rotating body (19), of each bearing body (50).

4. A safety-braking ventilated elevator according to claim 3, characterized in that the ventilation module (53) comprises a transmission shaft (42) secured above the second bevel gear (14), a first gear (43) is fixedly arranged at the other end of the transmission shaft (42), a second gear (44) is arranged on one side of the first gear (43) far away from the guide rail (51), the second gear (44) and the first gear (43) are in meshed transmission, a fifth rotating shaft (45) which rotates on the elevator box body (52) is fixedly arranged in the middle of the second gear (44), the side of the second gear (44) far away from the first gear (43) is provided with a blade gear ring (46), the second gear (44) is in meshed transmission with the blade gear ring (46), a central shaft (47) is arranged at the center of the blade gear ring (46), and a blade (48) is fixedly arranged between the central shaft (47) and the blade toothed ring (46).

5. The safety braking ventilation elevator as claimed in claim 4, wherein the anti-falling module (57) comprises a third bevel gear (23) fixedly connected to the other end of the fourth rotating shaft (22), a fourth bevel gear (24) is arranged on one side of the third bevel gear (23) close to the guide rail (51), the third bevel gear (23) and the fourth bevel gear (24) are in meshing transmission, a screw (25) is fixedly connected to one side of the fourth bevel gear (24) close to the guide rail (51), a threaded sleeve (26) is sleeved outside the screw (25), the screw (25) and the threaded sleeve (26) are in meshing transmission, a push plate (27) is slidably arranged on one side of the threaded sleeve (26) close to the guide rail (51), a braking cutter (28) is fixedly arranged on one side of the push plate (27) far away from the threaded sleeve (26), a receiving push plate (30) is fixedly arranged on the push plate (27), and a push block (32) is arranged on one side of the receiving push plate (30) far away from the push plate (27), a pressure bearing rod (31) is fixedly arranged between the bearing push plate (30) and the pushing block (32), and a safety tong wedge block (29) used for braking the elevator is arranged on one side, far away from the pressure bearing rod (31), of the pushing block (32) in a sliding mode.

6. The safety braking ventilation elevator as claimed in claim 5, wherein the door closing determination module (58) comprises a sliding block (59) fixed at the bottom of the elevator door (54), a top bar (33) sliding in the elevator box (52) is arranged at one side of the sliding block (59) close to the guide rail (51), a baffle (34) is fixed on the top bar (33), a first spring (35) is arranged between the baffle (34) and the elevator box (52), a first piston (36) is fixed at the other end of the top bar (33), a first hydraulic cylinder (37) is arranged outside the first piston (36), the first piston (36) slides in the first hydraulic cylinder (37), a second hydraulic cylinder (38) is fixed at one side of the first hydraulic cylinder (37) far away from the top bar (33), and a through hole (39) is formed between the first hydraulic cylinder (37) and the second hydraulic cylinder (38), and a second piston (40) is arranged in the second hydraulic cylinder (38) in a sliding manner, and a mandril (41) is fixedly arranged on one side, close to the safety gear wedge block (29), of the second piston (40).