CN216377278U

CN216377278U - Lifting device with anti-slip structure for elevator maintenance

Info

Publication number: CN216377278U
Application number: CN202122699894.6U
Authority: CN
Inventors: 蔡鹏华; 章瑞昊; 蔡景辉
Original assignee: Shenzhen Huari Fuji Elevator Engineering Co ltd
Current assignee: Shenzhen Huari Fuji Elevator Engineering Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-26
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a lifting device with an anti-slip structure for elevator maintenance, which comprises a bottom plate and an anti-slip assembly, wherein a bracket is arranged at the upper right end of the bottom plate, a winding frame is arranged above the center of the bottom plate, a servo motor is arranged in the center of the rear side of the winding frame, the front end of the servo motor is connected with a winding shaft, and a rope is arranged outside the winding shaft. This a hoisting accessory for elevator maintenance has anti-skidding structure passes through anti-skidding subassembly's setting, be convenient for rotate first screw rod and promote the positioning seat and move to the right under the spacing of telescopic link, make and laminate mutually between cardboard and the ratchet, thereby can drive the rolling axle when carrying out the rolling to the rope at servo motor, reset spring can promote the cardboard and come to carry on spacingly to the direction of rotation of rolling axle, avoid the rolling axle to skid, lead to elevator car gliding, still through setting up the cardboard on both sides about the ratchet simultaneously, be convenient for through the structure of dual location, the security performance when further improving the use.

Description

Lifting device with anti-slip structure for elevator maintenance

Technical Field

The utility model relates to the technical field of elevator maintenance devices, in particular to a lifting device with an anti-slip structure for elevator maintenance.

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, a car of the elevator runs between 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, and a fixed type lifting device serves the specified floors.

When hoisting accessory in market hoists the elevator, exist because of the elevator is overweight, lead to the rolling axle to take place the phenomenon of skidding, arouse the problem of dangerous accident easily, for this reason, we propose one kind and be used for elevator maintenance to have the hoisting accessory who prevents the structure of skidding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hoisting device with an anti-slip structure for elevator maintenance, so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a lifting device with an anti-slip structure for elevator maintenance comprises a bottom plate and an anti-slip assembly, wherein a bracket is arranged at the upper right end of the bottom plate, a winding frame is arranged above the center of the bottom plate, a servo motor is arranged in the center of the rear side of the winding frame, the front end of the servo motor is connected with a winding shaft, a rope is arranged on the outer side of the winding shaft, the anti-slip assembly for preventing slipping is arranged at the front end of the winding shaft, the anti-slip assembly comprises a fixed plate, a first screw rod, a positioning seat, a telescopic rod, a clamping plate, a reset spring and a ratchet wheel, the first screw rod is arranged in the center of the fixed plate, the right end of the first screw rod is rotatably connected with the positioning seat, the telescopic rod is arranged at the upper and lower left ends of the positioning seat, the clamping plate is rotatably connected with the upper right end of the positioning seat, the reset spring is connected with the lower center of the clamping plate, and the ratchet wheel is connected with the right end of the clamping plate, the right lower extreme of rope is connected with the hoist and mount subassembly that is used for hoist and mount, the below of bottom plate is provided with the locating component who is used for the location, and the upper left end of bottom plate is provided with the balancing weight, both ends are settled there is the universal wheel about the bottom plate bottom surface.

Preferably, the rotating angle of the clamping plate is 0-45 degrees, the clamping plate is attached to the ratchet wheel, and the ratchet wheel is fixedly connected with the winding shaft.

Preferably, the hoisting assembly comprises a hoisting rod, a positioning spring, a sliding plate, a connecting rod and a lifting hook, wherein the positioning spring is sleeved outside the upper end of the hoisting rod, the lower end of the positioning spring is connected with the sliding plate, the connecting rod is rotatably connected to the left end and the right end of the sliding plate, and the lifting hook is rotatably connected to the lower end of the connecting rod.

Preferably, the slide plate is connected with the hoisting rod in a sliding mode, the two lifting hooks are symmetrically arranged at the center of the hoisting rod, and the two lifting hooks are rotatably connected with the hoisting rod.

Preferably, the positioning assembly comprises a second bolt, a positioning plate, a non-slip mat and a through hole, the lower end of the second bolt is rotatably connected with the positioning plate, the non-slip mat is arranged at the bottom end of the positioning plate, and the through hole is formed in the left end and the right end of the positioning plate.

Preferably, the second bolt is engaged with the bottom plate, and the length direction of the bottom plate and the length direction of the positioning plate are distributed in parallel.

Preferably, the central line of the through hole coincides with the central line of the universal wheel, and the size of the through hole is larger than that of the universal wheel.

The utility model provides a hoisting device with an anti-slip structure for elevator maintenance, which has the following beneficial effects: this a hoisting accessory for elevator maintenance has anti-skidding structure adopts mutually supporting between a plurality of subassemblies, not only has anti-skidding structure, improves the security when hoisting accessory uses, and still be convenient for hoist and mount elevator car, can also prevent simultaneously when lifting by crane that elevator car takes place the situation that drops to can also improve the convenience when removing and fixing a position hoisting accessory.

1. According to the elevator car anti-slip device, the first screw rod is convenient to rotate to push the positioning seat to move rightwards under the limiting of the telescopic rod through the arrangement of the anti-slip component, so that the clamping plate is attached to the ratchet wheel, when the servo motor drives the winding shaft to wind a rope, the reset spring can push the clamping plate to limit the rotating direction of the winding shaft, the situation that the winding shaft slips to cause the elevator car to slide downwards is avoided, meanwhile, the clamping plates are arranged on the left side and the right side of the ratchet wheel, the safety performance in use is further improved through a double-positioning structure, and the first screw rod is convenient to rotate reversely to enable the clamping plate to be separated from the ratchet wheel, so that the rope is stretched;

2. according to the elevator car lifting device, the lifting components are arranged, when the top end of the elevator car is lifted, the connecting rod is driven by pulling the sliding plate to drive the lifting hook to rotate to an open state along the bottom end of the lifting rod, then the sliding plate is loosened after the cross rod at the top end of the car is hooked, the positioning spring can push the sliding plate to position the lifting hooks on two sides, the falling-off state is avoided, the lifting device is further convenient to improve the lifting convenience, and the falling-off between the lifting device and the elevator car is further prevented through the arrangement of the two lifting components, so that the safety in use is improved;

3. according to the utility model, the positioning plate is arranged at the lower end of the bottom plate, before lifting, the positioning plate can be moved downwards by rotating the second bolt and limiting the bottom plate, so that the non-slip mat can be contacted with the ground, the friction force between the lifting device and the ground can be increased under the action of the balancing weight, the sliding or toppling condition of the lifting device during working can be avoided, and the positioning plate can not influence the universal wheel during lifting through the arrangement of the through hole, so that the convenience for moving and positioning the lifting device is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of a hoisting device with an anti-slip structure for elevator maintenance according to the utility model;

FIG. 2 is a schematic diagram of a winding frame with a structure for preventing slipping in elevator maintenance according to the present invention from top view;

fig. 3 is a schematic structural diagram of an anti-skid assembly of a hoisting device with an anti-skid structure for elevator maintenance according to the utility model;

fig. 4 is a schematic structural diagram of a hoisting assembly of a hoisting device with an anti-slip structure for elevator maintenance according to the utility model.

In the figure: 1. a base plate; 2. a support; 3. a winding frame; 4. a servo motor; 5. a winding shaft; 6. a rope; 7. an anti-skid component; 701. a fixing plate; 702. a first screw; 703. positioning seats; 704. a telescopic rod; 705. clamping a plate; 706. a return spring; 707. a ratchet wheel; 8. hoisting the assembly; 801. hoisting the rod; 802. a positioning spring; 803. a slide plate; 804. a connecting rod; 805. a hook; 9. a positioning assembly; 901. a second bolt; 902. positioning a plate; 903. a non-slip mat; 904. a through hole; 10. a balancing weight; 11. a universal wheel.

Detailed Description

As shown in fig. 1-2, a lifting device with anti-slip structure for elevator maintenance comprises a bottom plate 1 and an anti-slip assembly 7, wherein a bracket 2 is arranged at the upper right end of the bottom plate 1, a winding frame 3 is arranged above the center of the bottom plate 1, a servo motor 4 is arranged at the center of the rear side of the winding frame 3, the front end of the servo motor 4 is connected with a winding shaft 5, a rope 6 is arranged at the outer side of the winding shaft 5, the anti-slip assembly 7 for anti-slip is arranged at the front end of the winding shaft 5, the right lower end of the rope 6 is connected with a hoisting assembly 8 for hoisting, a positioning assembly 9 for positioning is arranged below the bottom plate 1, a counterweight 10 is arranged at the upper left end of the bottom plate 1, the positioning assembly 9 comprises a second bolt 901, a positioning plate 902, an anti-slip mat 903 and a through hole 904, the lower end of the second bolt 901 is rotatably connected with the positioning plate 902, and the bottom end of the positioning plate 902 is provided with an anti-slip mat 903, the second bolt 901 is engaged with the bottom plate 1, the length direction of the bottom plate 1 and the length direction of the positioning plate 902 are distributed in parallel, the positioning plate 902 is moved downwards by rotating the second bolt 901 and limiting the bottom plate 1, so that the anti-skid pad 903 can be contacted with the ground, under the action of the balancing weight 10, the friction force between the lifting device and the ground is favorably increased, the situation that the lifting device slides or topples over during operation is avoided, through holes 904 are formed in the left end and the right end of the positioning plate 902, universal wheels 11 are arranged at the left end and the right end of the bottom surface of the bottom plate 1, the central line of each through hole 904 is coincided with the central line of each universal wheel 11, the size of each through hole 904 is larger than that of each universal wheel 11, through the arrangement of the through holes 904, the positioning plate 902 cannot influence the universal wheels 11 during lifting, and the convenience in moving and positioning of the lifting device is improved.

As shown in fig. 3-4, the anti-skid component 7 includes a fixing plate 701, a first screw 702, a positioning seat 703, an expansion link 704, a clamping plate 705, a return spring 706 and a ratchet 707, the fixing plate 701 is provided with the first screw 702 at the center, the right end of the first screw 702 is rotatably connected with the positioning seat 703, the upper and lower ends of the left side of the positioning seat 703 are provided with the expansion link 704, the upper right end of the positioning seat 703 is rotatably connected with the clamping plate 705, the lower center of the clamping plate 705 is connected with the return spring 706, the right end of the clamping plate 705 is connected with the ratchet 707, the rotation angle of the clamping plate 705 is 0-45 °, the clamping plate 705 is attached to the ratchet 707, the ratchet 707 is fixedly connected to the winding shaft 5, and the clamping plate 705 is attached to the ratchet 707, so that when the winding shaft 5 is driven by the servo motor 4 to wind the rope 6, the return spring 706 can push the clamping plate 705 to limit the rotation direction of the winding shaft 5, the elevator car can be prevented from slipping due to the fact that the winding shaft 5 slips, the elevator car can slip downwards, safety in use is improved, the hoisting assembly 8 comprises a hoisting rod 801, a positioning spring 802, a sliding plate 803, a connecting rod 804 and a lifting hook 805, the positioning spring 802 is sleeved on the outer side of the upper end of the hoisting rod 801, the sliding plate 803 is connected to the lower end of the positioning spring 802, the connecting rod 804 is rotatably connected to the left end and the right end of the sliding plate 803, the lifting hook 805 is rotatably connected to the lower end of the connecting rod 804, the sliding plate 803 is slidably connected with the hoisting rod 801, the two lifting hooks 805 are symmetrically arranged on the center position of the hoisting rod 801, the lifting hooks 805 are rotatably connected with the hoisting rod 801, the connecting rod 804 drives the lifting hook 805 to rotate to an open shape along the bottom end of the hoisting rod 801 by pulling the sliding plate 803, then the sliding plate 803 is loosened after a cross rod at the top end of the elevator car is hooked, the positioning spring 802 can push the sliding plate 803 to position the lifting hooks 805 on two sides, and the situation that falling off can be avoided, and the convenience in hoisting is improved.

In summary, when the lifting device with the anti-slip structure for elevator maintenance is used, firstly, according to the structure shown in fig. 1, before lifting, the second bolt 901 is rotated and the positioning plate 902 is moved downwards under the limit of the bottom plate 1, so that the anti-slip mat 903 can be contacted with the ground, and under the action of the counterweight block 10, the friction force between the lifting device and the ground can be increased, the situation that the lifting device slides or topples over during operation is avoided, and further, through the arrangement of the through hole 904, the positioning plate 902 can not affect the universal wheel 11 during lifting, so that the convenience for moving and positioning the lifting device is improved, then, according to the structure shown in fig. 4, when the top end of an elevator car is lifted, the connecting rod 804 is pulled by the sliding plate 803 to drive the lifting hook 805 to rotate to an open shape along the bottom end of the lifting rod 801, and then the sliding plate 803 is loosened after the cross rod hooking the top end of the car, the positioning spring 802 can push the sliding plate 803 to position the lifting hooks 805 on two sides, so as to avoid the falling-off condition, and is favorable for improving the convenience in lifting, and further prevent the falling-off between the lifting device and the elevator car through the arrangement of the two lifting components 8, so as to improve the safety in use, finally, according to the structures shown in 2 and 3, the first screw 702 is rotated to push the positioning seat 703 to move right under the limit of the telescopic rod 704, so that the clamping plate 705 is attached to the ratchet 707, so that when the winding shaft 5 is driven by the servo motor 4 to wind the rope 6, the return spring 706 can push the clamping plate 705 to limit the rotation direction of the winding shaft 5, so as to avoid the slipping of the winding shaft 5 and the sliding of the elevator car, and meanwhile, the clamping plate 705 is arranged on the left side and the right side of the ratchet 707, so as to facilitate the double positioning structure, so as to further improve the safety performance in use, and also facilitates the reverse rotation of the first screw 702 to separate the catch plate 705 from the ratchet 707, thereby extending the cable 6.

Claims

1. A lifting device with an anti-slip structure for elevator maintenance comprises a bottom plate (1) and an anti-slip component (7), and is characterized in that a support (2) is arranged at the upper right end of the bottom plate (1), a winding frame (3) is arranged above the center of the bottom plate (1), a servo motor (4) is arranged in the center of the rear side of the winding frame (3), a winding shaft (5) is connected to the front end of the servo motor (4), a rope (6) is arranged on the outer side of the winding shaft (5), the anti-slip component (7) for preventing slipping is arranged at the front end of the winding shaft (5), the anti-slip component (7) comprises a fixing plate (701), a first screw rod (702), a positioning seat (703), an expansion rod (704), a clamping plate (705), a return spring (706) and a ratchet wheel (707), the first screw rod (702) is arranged in the center of the fixing plate (701), and the right-hand member of first screw rod (702) rotates and is connected with positioning seat (703), both ends are provided with telescopic link (704) about the left side of positioning seat (703), and the upper right end of positioning seat (703) rotates and is connected with cardboard (705), the lower extreme central authorities of cardboard (705) are connected with reset spring (706), and the right-hand member of cardboard (705) is connected with ratchet (707), the right lower extreme of rope (6) is connected with hoist and mount subassembly (8) that are used for hoist and mount, the below of bottom plate (1) is provided with locating component (9) that are used for the location, and the upper left end of bottom plate (1) is provided with balancing weight (10), bottom plate (1) bottom surface is controlled both ends and is settled there are universal wheel (11).

2. The hoisting device with the anti-slip structure for the elevator maintenance according to claim 1, wherein the rotation angle of the clamping plate (705) is 0-45 degrees, the clamping plate (705) is attached to the ratchet wheel (707), and the ratchet wheel (707) is fixedly connected with the winding shaft (5).

3. The hoisting device with the anti-slip structure for elevator maintenance according to claim 1, wherein the hoisting assembly (8) comprises a hoisting rod (801), a positioning spring (802), a sliding plate (803), a connecting rod (804) and a lifting hook (805), the positioning spring (802) is sleeved on the outer side of the upper end of the hoisting rod (801), the lower end of the positioning spring (802) is connected with the sliding plate (803), the connecting rod (804) is rotatably connected to the left end and the right end of the sliding plate (803), and the lifting hook (805) is rotatably connected to the lower end of the connecting rod (804).

4. A hoisting device with anti-slip structure for elevator maintenance according to claim 3, characterized in that the sliding plate (803) is connected with the hoisting rod (801) in a sliding manner, and the number of the lifting hooks (805) is two symmetrically arranged with respect to the center position of the hoisting rod (801), and the lifting hooks (805) are connected with the hoisting rod (801) in a rotating manner.

5. The lifting device with the anti-slip structure for elevator maintenance according to claim 1, wherein the positioning assembly (9) comprises a second bolt (901), a positioning plate (902), an anti-slip pad (903) and a through hole (904), the lower end of the second bolt (901) is rotatably connected with the positioning plate (902), the anti-slip pad (903) is arranged at the bottom end of the positioning plate (902), and the through hole (904) is formed in the left end and the right end of the positioning plate (902).

6. The hoisting device with the anti-slip structure for the maintenance of the elevator according to claim 5, wherein the second bolt (901) is engaged with the bottom plate (1), and the length direction of the bottom plate (1) is parallel to the length direction of the positioning plate (902).

7. The hoisting device with the anti-slip structure for elevator maintenance according to claim 5, wherein the center line of the through hole (904) coincides with the center line of the universal wheel (11), and the size of the through hole (904) is larger than that of the universal wheel (11).