High-safety elevator car frame structure

Abstract

The utility model belongs to the technical field of elevator car frames, and particularly relates to a high-safety elevator car frame structure which comprises two main beams, two lower beams fixedly connected to the outer sides of the two main beams and two upper beams fixedly connected to the outer sides of the two main beams, and two safety tongs are fixedly connected to the sides, away from each other, of the lower beams and the upper beams. And a brake mechanism is arranged on the outer side of the safety tongs. The guide rail clamping device is reasonable in structural design, the two clamping plates are driven by the two-way lead screw to get close to each other to clamp a guide rail, compared with elastic clamping of a spring, clamping is more stable, then the guide rail can be firmly held, a lift car is not prone to accidental movement, use safety is improved, the lift car can be buffered and damped, and the service life of the lift car is prolonged. And through the lower buffering and damping mechanism, the falling impact force of the elevator car can be buffered and damped, the elevator car frame is prevented from being damaged by impact, and the service life of the elevator car frame is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator car frame technical field especially relates to a high security elevator car frame structure. BACKGROUND

[0002] The elevator car frame is the structure for installing and carrying the elevator car, and the sliding guide shoe and safety tongs are usually installed on the left and right sides, through the search: the high security elevator car frame structure of authorized announcement number CN219860009U, including car frame assembly, the car frame assembly left and right sides all are provided with safety tongs, the car frame assembly left and right sides still are provided with support limiting component, the support limiting component is adjacent safety tongs and is provided with, and it is spring top rod structure, and is used to touch guide rail when the left and right off load of elevator car, the utility model discloses that the car brake is arranged, when the car is parked in the door area, and the car brake can tightly hold the guide rail, avoids the accidental movement of car;The utility model discloses that the support limiting component is arranged, and the safety tongs misoperation caused by the safety tongs friction guide rail when the car off load can be effectively prevented.

[0003] However, the high security elevator car frame structure in the above still has the shortcoming that when braking, the power of electromagnetic seat is turned off, the guide rail is clamped and braked through the elasticity of spring, because the spring has elasticity, and then when the car is parked in the door area, the car brake cannot firmly hold the guide rail, so that the car is prone to accidental movement, reduces the safety of use, and the car frame bottom does not have the effect of buffering and damping, and the elevator car frame and the bottom plate of elevator shaft collide for a long time, which is easy to damage the elevator car frame, therefore we propose a high security elevator car frame structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned shortcomings and proposes a high security elevator car frame structure.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A high security elevator car frame structure, including two main beams and two lower beams fixedly connected to the outer sides of the two main beams, and two upper beams fixedly connected to the outer sides of the two main beams, the side away from each other of the lower beam and the upper beam is fixedly connected with two safety tongs, the outer side of the safety tongs is provided with a brake mechanism, the outer side of the brake mechanism is provided with a guide shoe frame, the guide shoe frame and one side of the safety tongs are provided with two elastic supporting pieces, a lower buffer damping mechanism is arranged between the two lower guide shoe frames, a car roof frame is slidably arranged in the two upper beams, two car roof wheels are rotatably connected to the inner walls of the front and rear sides of the car roof frame, and an upper buffer damping mechanism is arranged between the car roof frame and the two upper beams.

[0007] As the utility model is preferred, the elastic support piece includes a cylinder body, spring one is fixedly connected on the inner wall of one side of the cylinder body, one end of the spring one is fixedly connected with a sliding disc, the sliding disc is fixedly connected with an abutting rod abutting with the guide rail on one side.

[0008] As the utility model is preferred, the sliding disc is slidably sleeved in the cylinder body.

[0009] As the utility model is preferred, the brake mechanism includes the frame body fixedly connected between the guide shoe frame and the safety clamp, a cavity is formed in the frame body, a servo motor is fixedly connected on one side of the frame body, a driving shaft is fixedly connected on the output shaft of the servo motor, a driving bevel gear is fixedly connected on one end of the driving shaft, a bidirectional screw rod is rotatably connected on the inner walls of the front and back sides of the cavity, a driven bevel gear is fixedly sleeved on the outer side of the bidirectional screw rod, the driving bevel gear is engaged with the driven bevel gear, two moving plates are threadedly sleeved on the outer side of the bidirectional screw rod, a connecting plate is fixedly connected on the side of each of the two moving plates away from each other, a clamping plate is fixedly connected on the side of each of the two connecting plates away from each other, and a wear-resistant rubber pad is fixedly connected on the side of each of the two clamping plates away from each other.

[0010] As the utility model is preferred, a rectangular opening is formed on the inner wall of one side of the frame body, the two moving plates are slidably sleeved in the rectangular opening, two guide rods are fixedly connected on the inner walls of the front and back sides of the cavity, two slide sleeves are slidably sleeved on the outer side of the guide rods, and the four slide sleeves are fixedly connected on the top and bottom of the corresponding moving plates.

[0011] As the utility model is preferred, the upper buffer damping mechanism includes a top plate fixedly connected on the bottom of the two upper beams, five spring two and three damper one are fixedly connected between the car roof frame and the top plate, two screw rods are threadedly connected between the car roof frame and the top plate, a pad is movably abutted between the nut of the screw rod and the car roof frame, a nut is threadedly sleeved on the outer side of the screw rod, the nut is movably abutted on the top of the top plate, and the five spring two are sleeved on the outer side of the three damper one and the two screw rods.

[0012] As the utility model is preferred, an anti-skid pad is movably abutted between the top plate and the nut, the screw rod is slidably sleeved on the outer side of the anti-skid pad, two guide sleeves are fixedly connected between the two upper beams, and the car roof frame is slidably sleeved in the two guide sleeves.

[0013] As the utility model is preferred, the lower buffer damping mechanism includes the bottom plate fixedly connected between the two guide shoe frames below, the bottom of the bottom plate is fixedly connected with four spring threes and four dampers twos, the bottom end of the four spring threes and four dampers twos is fixedly connected with the same buffer plate, the top of the buffer plate is fixedly connected with a plurality of shock absorbing steel plates, the top of the bottom plate is threadedly connected with a bolt, and the plurality of shock absorbing steel plates are fixedly connected at the bottom of the bottom plate through the bolt.

[0014] In the utility model, the high safety elevator car frame structure, through the setting of damper one and spring two, can shock absorption and buffering for elevator car frame, improve the comfort of passengers riding elevator, through the setting of screw rod and nut, can tighten the nut, make the shim plate move up, so as to adjust the spacing between the top plate and the car roof frame, and then compress spring two, make spring two restore elasticity, ensure the effect of shock absorption and buffering, through the setting of buffer plate, damper two and spring three, can reach the purpose of buffering and damping for elevator car frame, through a plurality of shock absorbing steel plates, further buffering and damping for the impact force when the elevator car frame falls, avoid the impact of elevator car frame, improve the service life of elevator car frame, make the use more safe;

[0015] In the utility model, the high safety elevator car frame structure, when braking, the rotation of the driving shaft and the driving bevel gear is driven by the servo motor, the rotation of the driven bevel gear and the bidirectional screw rod is driven by the driving bevel gear, the mutual approach of the two moving plates, the connecting plate and the clamping plate and the wear-resistant rubber pad and the clamping of the guide rail are driven by the bidirectional screw rod, avoid the movement of elevator car frame, and compared with the elastic clamping of spring, the clamping is more stable, and the guide rail can be tightly held, so that the car is not easy to move accidentally, and the safety in use is improved.

[0016] The utility model discloses structure design is reasonable, through the mutual approach of two clamping plates that are driven by bidirectional screw rod, the clamping of guide rail is more stable, and the guide rail can be tightly held, so that the car is not easy to move accidentally, and the safety in use is improved, and through the upper buffer damping mechanism, the car can be buffered and damped, the comfort of passengers riding elevator is improved, through the lower buffer damping mechanism, the impact force of car falling can be buffered and damped, avoid the impact of elevator car frame, improve the service life of elevator car frame. ACCURACY OF DRAWINGS

[0017] Figure 1 The utility model proposes a high safety elevator car frame structure's structure schematic drawing;

[0018] Figure 2 The utility model proposes a high safety elevator car frame structure's upper buffer damping mechanism's sectional view;

[0019] Figure 3 A high-safety elevator car frame structure brake mechanism sectional view is provided for the utility model;

[0020] Figure 4 A high-safety elevator car frame structure brake mechanism structure schematic view is provided for the utility model;

[0021] Figure 5 A high-safety elevator car frame structure elastic support structure schematic view is provided for the utility model.

[0022] In the drawing: 1, main beam; 2, lower beam; 3, upper beam; 4, car roof frame; 5, car roof wheel; 6, upper buffer damping mechanism; 7, safety tongs; 8, brake mechanism; 9, elastic support; 10, guide shoe frame; 11, lower buffer damping mechanism; 111, bottom plate; 112, bolt; 113, damping steel plate; 114, buffer plate; 115, damper two; 116, spring three; 61, guide sleeve; 62, top plate; 63, damper one; 64, spring two; 65, screw rod; 66, pad plate; 67, anti-skid washer; 68, nut; 801, servo motor; 802, cavity; 803, guide rod; 804, frame body; 805, rectangular port; 806, connecting plate; 807, drive shaft; 808, bidirectional screw; 809, sliding sleeve; 810, driving bevel gear; 811, driven bevel gear; 812, wear-resistant rubber pad; 813, clamping plate; 814, moving plate; 91, abutment rod; 92, barrel; 93, sliding disc; 94, spring one;. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Referring to Figures 1-5 A high-safety elevator car frame structure, comprising two main beams 1 and two lower beams 2 fixedly connected to the outer sides of the two main beams 1, and two upper beams 3 fixedly connected to the outer sides of the two main beams 1, the sides away from each other of the lower beams 2 and the upper beams 3 are fixedly connected with two safety tongs 7, the outer sides of the safety tongs 7 are provided with brake mechanisms 8, the outer sides of the brake mechanisms 8 are provided with guide shoe frames 10, the guide shoe frames 10 and one side of the safety tongs 7 are provided with two elastic supports 9, the lower two guide shoe frames 10 are provided with a lower buffer damping mechanism 11, the two upper beams 3 are slidably provided with a car roof frame 4, the front and rear inner walls of the car roof frame 4 are rotatably connected with two car roof wheels 5, and the car roof frame 4 and the two upper beams 3 are provided with an upper buffer damping mechanism 6.

[0025] Further, referring to Figure 1 and Figure 5The elastic support 9 comprises a cylinder 92, a spring I 94 is fixedly connected to the inner wall of one side of the cylinder 92, one end of the spring I 94 is fixedly connected with a sliding disc 93, one side of the sliding disc 93 is fixedly connected with an abutting rod 91 abutting against the guide rail, and the sliding disc 93 is slidingly sleeved in the cylinder 92.

[0026] By adopting the above scheme: when the elevator bridge compartment is subjected to unbalanced load, the four elastic supports 9 installed at the four corners will drive the elevator car frame to be subjected to unbalanced load, so that the safety clamps are prone to friction with the guide rail and misoperation, the abutting rod 91 in the four elastic supports 9 and the spring I 94 are supported, the purpose of limiting the elevator car frame is achieved, and the risk of misoperation of the safety clamps and the guide rail is avoided.

[0027] Further, referring to Figure 1 、 Figure 3 and Figure 4 , the brake mechanism 8 comprises a frame body 804 fixedly connected between the guide shoe frame 10 and the safety clamp 7, the frame body 804 is provided with a cavity 802, one side of the frame body 804 is fixedly connected with a servo motor 801, the output shaft of the servo motor 801 is fixedly connected with a drive shaft 807, one end of the drive shaft 807 is fixedly connected with a driving bevel gear 810, the front and rear inner walls of the cavity 802 are rotatably connected with a bidirectional screw rod 808, the outer side of the bidirectional screw rod 808 is fixedly sleeved with a driven bevel gear 811, the driving bevel gear 810 is meshed with the driven bevel gear 811, the outer side of the bidirectional screw rod 808 is threadedly sleeved with two moving plates 814, one side of each of the two moving plates 814 close to each other is fixedly connected with a connecting plate 806, one side of each of the two connecting plates 806 close to each other is fixedly connected with a clamping plate 813, and one side of each of the two clamping plates 813 close to each other is fixedly connected with a wear-resistant rubber pad 812.

[0028] By adopting the above scheme: during braking, the servo motor 801 drives the rotation of the drive shaft 807 and the driving bevel gear 810, the driving bevel gear 810 drives the rotation of the driven bevel gear 811 and the bidirectional screw rod 808, and the bidirectional screw rod 808 drives the two moving plates 814, the connecting plates 806 and the clamping plates 813 and the wear-resistant rubber pads 812 to move close to each other and clamp the guide rail, so as to avoid the movement of the elevator car frame, and compared with the elastic clamping by the spring, the clamping in the present application is more stable, and the guide rail can be stably gripped, so that the car is not prone to accidental movement, and the safety in use is improved.

[0029] Further, a rectangular opening 805 is formed in the inner wall of one side of the frame 804, and two moving plates 814 are slidingly sleeved in the rectangular opening 805. Two guide rods 803 are fixedly connected to the front and rear inner walls of the cavity 802. Two sliding sleeves 809 are slidingly sleeved on the outer sides of the guide rods 803. The four sliding sleeves 809 are fixedly connected to the top and bottom of the corresponding moving plates 814, which facilitates the guidance of the moving plates 814 and makes the movement more stable and smooth.

[0030] Further, referring to Figure 1 and Figure 2 The upper buffer damping mechanism 6 includes a top plate 62 fixedly connected to the bottom of the two upper beams 3. Five spring twos 64 and three dampers ones 63 are fixedly connected between the top frame 4 and the top plate 62. Two screw rods 65 are threadedly connected between the top frame 4 and the top plate 62. The nuts of the screw rods 65 are movably abutted with the top frame 4 through the pad plates 66. The outer sides of the screw rods 65 are threadedly sleeved with the nuts 68, which are movably abutted on the top of the top plate 62. The five spring twos 64 are respectively sleeved on the outer sides of the three dampers ones 63 and the two screw rods 65. The anti-slip washers 67 are movably abutted between the top plate 62 and the nuts 68. The screw rods 65 are slidingly sleeved on the outer sides of the anti-slip washers 67. Two guide sleeves 61 are fixedly connected between the two upper beams 3. The top frame 4 is slidingly sleeved in the two guide sleeves 61.

[0031] By adopting the above scheme, the dampers ones 63 and the spring twos 64 can be arranged to dampen and buffer the elevator car frame, improve the comfort of passengers riding the elevator, and the screw rods 65 and the nuts 68 can be arranged to tighten the nuts 68 to move the pad plates 66 upward to adjust the distance between the top plate 62 and the top frame 4, thereby compressing the spring twos 64 to restore the elasticity of the spring twos 64 and ensure the damping and buffering effect.

[0032] Further, referring to Figure 1 The lower buffer damping mechanism 11 includes a bottom plate 111 fixedly connected between the two lower shoe frames 10. Four spring threes 116 and four dampers twos 115 are fixedly connected to the bottom of the bottom plate 111. The bottom ends of the four spring threes 116 and the four dampers twos 115 are fixedly connected with the same buffer plate 114. The top of the buffer plate 114 is fixedly connected with a plurality of shock-absorbing steel plates 113. The top of the bottom plate 111 is threadedly connected with a bolt 112. The plurality of shock-absorbing steel plates 113 are fixedly connected to the bottom of the bottom plate 111 through the bolt 112.

[0033] By adopting the above scheme, the buffer plate 114, the dampers twos 115, and the spring threes 116 can be arranged to achieve the purpose of buffering and damping the elevator car frame. The plurality of shock-absorbing steel plates 113 can further buffer and dampen the impact force when the elevator car frame falls, avoid the elevator car frame from being damaged, improve the service life of the elevator car frame, and make the use more safe.

[0034] The utility model discloses a four elastic supports 9 are installed to four corners when using, when the elevator bridge compartment is unbalanced, will drive the elevator car frame unbalanced, make the safety tongs easy and exist the risk of misoperation with the friction of guide rail, through the support of the abutment rod 91 of four elastic supports 9 in 9 and spring no. 94, play the purpose of limiting the elevator car frame, avoid the risk of misoperation with the friction of guide rail of safety tongs, through the setting of damper no. 63 and spring no. 64, can shock absorption of elevator car frame, improve the comfort of the passenger's elevator ride, through the setting of screw rod 65 and nut 68, can tighten nut 68, make the shimming board 66 move up, so that the spacing between the top plate 62 and the car roof frame 4 is adjusted, and then spring no. 64 can be compressed, make spring no. 64 restore elasticity, guarantee the effect of shock absorption.

[0035] Through the setting of buffer plate 114, damper no. 115 and spring no. 116, can reach the purpose of the shock absorption of elevator car frame, through several shock absorbing steel sheets 113, can further buffer the impact force of the fall of elevator car frame, avoid the impact of elevator car frame, improve the service life of elevator car frame, make the use more safely.

[0036] When braking, the rotation of driving shaft 807 and driving bevel gear 810 is driven by servo motor 801, the rotation of driven bevel gear 811 and bidirectional screw rod 808 is driven by driving bevel gear 810, the mutual approach of two moving plates 814, connecting plate 806 and clamping plate 813 and wear-resistant rubber pad 812 is driven by bidirectional screw rod 808, and the guide rail is clamped, avoiding the movement of elevator car frame, and compared with the elastic clamping of spring, the clamping of the paper is more stable, and the guide rail can be firmly clamped, so that the car is not easy to move accidentally, and the safety in use is improved.

Claims

1. A high-safety elevator car frame structure, characterized in that, The utility model provides a kind of safety elevator, including two main beams (1) and the two lower beams (2) fixedly connected outside two main beams (1), and two upper beams (3) fixedly connected outside two main beams (1), the side of the lower beam (2) and upper beam (3) away from each other is fixedly connected with two safety tongs (7), the outside of the safety tong (7) is provided with brake mechanism (8), the outside of brake mechanism (8) is provided with guide shoe frame (10), the side of guide shoe frame (10) and safety tong (7) is provided with two elastic supports (9), and the lower guide shoe frame (10) between is provided with lower buffer damping mechanism (11), the two upper beams (3) are slidably provided with car roof frame (4), the front and rear side inner wall of car roof frame (4) is rotatably connected with two car roof wheels (5), and the upper buffer damping mechanism (6) is arranged between car roof frame (4) and two upper beams (3).

2. The high safety elevator car structure according to claim 1, wherein The elastic support (9) includes a cylinder (92), a spring (94) is fixedly connected to the inner wall of one side of the cylinder (92), one end of the spring (94) is fixedly connected with a sliding disc (93), and the sliding disc (93) is fixedly connected with an abutting rod (91) abutting against the guide rail on one side.

3. The high safety elevator car structure according to claim 2, wherein The sliding disc (93) is slidably sleeved in the cylinder (92).

4. The high safety elevator car frame structure according to claim 1, wherein The brake mechanism (8) includes a frame (804) fixedly connected between the guide shoe frame (10) and the safety tong (7), a cavity (802) is formed in the frame (804), a servo motor (801) is fixedly connected to one side of the frame (804), a drive shaft (807) is fixedly connected to the output shaft of the servo motor (801), a driving bevel gear (810) is fixedly connected to one end of the drive shaft (807), a bidirectional screw rod (808) is rotatably connected to the front and rear inner walls of the cavity (802), a driven bevel gear (811) is fixedly sleeved on the outer side of the bidirectional screw rod (808), the driving bevel gear (810) is engaged with the driven bevel gear (811), two moving plates (814) are threadedly sleeved on the outer side of the bidirectional screw rod (808), the moving plates (814) are slidably sleeved in the rectangular openings (805) formed in the inner walls of one side of the frame (804), two guide rods (803) are fixedly connected to the front and rear inner walls of the cavity (802), two sliding sleeves (809) are slidably sleeved on the outer sides of the guide rods (803), and the sliding sleeves (809) are fixedly connected to the top and bottom of the corresponding moving plates (814).

5. The high safety elevator car frame structure according to claim 4, wherein The rectangular openings (805) are formed in the inner walls of one side of the frame (804), the moving plates (814) are slidably sleeved in the rectangular openings (805), two guide rods (803) are fixedly connected to the front and rear inner walls of the cavity (802), two sliding sleeves (809) are slidably sleeved on the outer sides of the guide rods (803), and the sliding sleeves (809) are fixedly connected to the top and bottom of the corresponding moving plates (814).

6. The high safety elevator car frame structure according to claim 1, wherein, The upper buffer damping mechanism (6) comprises a top plate (62) fixedly connected at the bottom of the two upper beams (3), five spring twos (64) and three damper ones (63) fixedly connected between the roof frame (4) and the top plate (62), two screw rods (65) threadedly connected between the roof frame (4) and the top plate (62), a gasket (66) movably abutting between the screw cap of the screw rod (65) and the roof frame (4), a nut (68) threadedly sleeved outside the screw rod (65), the nut (68) movably abutting at the top of the top plate (62), and the five spring twos (64) respectively sleeved outside the three damper ones (63) and the two screw rods (65).

7. The high safety elevator car structure according to claim 6, wherein The top plate (62) and the nut (68) movably abut against an anti-skid washer (67), the screw rod (65) is slidably sleeved outside the anti-skid washer (67), two guide sleeves (61) are fixedly connected between the two upper beams (3), and the roof frame (4) is slidably sleeved in the two guide sleeves (61).

8. The high safety elevator car frame structure according to claim 1, wherein, The lower buffer damping mechanism (11) comprises a bottom plate (111) fixedly connected between the two guide shoe frames (10) below, four spring threes (116) and four damper twos (115) fixedly connected at the bottom of the bottom plate (111), the same buffer plate (114) fixedly connected at the bottom of the four spring threes (116) and the four damper twos (115), a plurality of damping steel plates (113) fixedly connected at the top of the buffer plate (114), a screw bolt (112) threadedly connected at the top of the bottom plate (111), and the plurality of damping steel plates (113) fixedly connected at the bottom of the bottom plate (111) through the screw bolt (112).

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