Safety protection device of elevator
By introducing a matching design of limit rack and limit pin in the elevator, combined with the elevator safety protection device of motor-driven screw, the problem of car fall is solved, the safety of personnel and goods is protected, and construction efficiency and safety are improved.
Patent Information
- Application Number
- CN202520576544.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing elevators cannot prevent the car from suddenly falling during use, resulting in personal injury and mechanical damage, increasing maintenance costs and economic losses.
A safety protection device was designed, comprising a base, a support column, a connecting block, a limiting rack, and a limiting pin. The limiting pin and the limiting rack work together to prevent the car from falling rapidly. The automatic lifting and manual adjustment of the car are achieved by a motor-driven lead screw, which enhances the convenience and safety of operation.
It effectively prevents the car from falling, protects the safety of construction personnel and goods, reduces casualties and economic losses, and improves construction efficiency and work quality.
Smart Images
Figure CN223866132U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lift especially relates to a lift's safety device. BACKGROUND
[0002] The lift is used for vertical transportation between different heights of objects and personnel, is often used in building, industry, mine, warehouse and the like to realize efficient goods handling or personnel movement, can not only save manpower and time, but also can improve production efficiency and safety, especially has important role in the scene such as high-rise building construction, equipment maintenance, goods loading and unloading needing aerial work;
[0003] The existing lift cannot prevent the sudden falling of the car when in use, on the one hand, the staff will be injured due to weightlessness or impact when the car suddenly falls, and in serious cases, life danger may be caused, the rapid falling will generate great impact force, which is difficult for the human body to withstand, on the other hand, the falling of the car will damage the mechanical parts of the lift itself, cause system failure or unable to operate normally, increase maintenance cost, cause serious damage to the goods and economic loss.
[0004] In view of the above problems, we launch a lift safety device. CONTENT OF THE UTILITY MODEL
[0005] The utility model discloses a lift's safety device, to solve the technical problem of not being able to block the car and prevent falling.
[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A lift safety device, including the base, the top of base is fixedly connected with two support columns, the outside of support column all is connected with the connecting block of sliding, two connecting blocks are fixedly connected with the car between, one side of one support column is equipped with sliding slot, the outside of sliding slot is connected with the limit rack of sliding, the one side of limit rack is fixedly connected with the connecting rod of equidistance, the outside of connecting rod and between the inner wall of sliding slot of one side of limit rack all are equipped with the spring of sleeve, one side of car is fixedly connected with the limit pin, the limit pin is used in cooperation with limit rack.
[0008] The base and the support column provide a stable support structure for the entire anti-falling device, ensuring the stability of the device, the sliding connection of the connecting block and the car allows the car to move smoothly between the support columns, thereby improving the safety of the construction personnel when working at a high place, the design of the sliding groove and the limit rack ensures that the up and down movement of the car is precisely controlled, the action of the spring provides an automatic reset function, when the car is subjected to accidental impact, the cooperation of the limit pin and the limit rack can quickly lock the position, preventing the car from falling rapidly, thereby protecting the safety of the construction personnel.
[0009] In a preferred scheme, the ends of the connecting rods away from the limit rack extend to the outside of the support column and are fixedly connected with connecting plates, and the side of the connecting plate away from the connecting rod is fixedly connected with a pulling handle.
[0010] The design of the pulling handle allows the operator to manually adjust the position of the connecting rod and control the movement of the car, improving the operation convenience of the device, facilitating quick adjustment of the state of the device under different working conditions, and enhancing the flexibility during construction.
[0011] In a preferred scheme, one end of the top of the base is fixedly connected with an L-shaped plate, the bottom of the L-shaped plate is rotatably connected with a lead screw, the bottom of the lead screw is rotatably connected with the top of the base, one of the connecting blocks is threadedly connected with the lead screw, the top of the L-shaped plate is fixedly connected with a motor, and the output shaft of the motor penetrates the L-shaped plate and is fixedly connected with the top of the lead screw.
[0012] The design of the L-shaped plate and the lead screw provides the height adjustment function of the car, and the automatic lifting of the car can be realized by driving the lead screw by the motor, thereby reducing the burden of manual operation, improving the construction efficiency, and also improving the intelligent level of the device.
[0013] In a preferred scheme, four fixed grooves are symmetrically formed in the interior of the base.
[0014] The fixed grooves provide installation positions for the fixation of the device, allowing it to be fixed firmly on the ground or other support structures, preventing displacement or tilting of the device during use, and increasing the overall safety and stability.
[0015] In a preferred scheme, the outer side of the L-shaped plate is fixedly connected with a control panel, and the motor is electrically connected with the control panel.
[0016] The control panel provides a centralized control interface for the device, and the operator can accurately control the movement of the motor and the car through the control panel.
[0017] In a preferred scheme, one side of the car is connected with a blocking door through a hinge, the outer side of the blocking door is fixedly connected with a door handle, one side of the car and one side of the blocking door are both fixedly connected with a magnet, and the two magnets are used in cooperation.
[0018] The design of the blocking door provides safety protection for the construction personnel entering the car, and the cooperation of the door handle and the magnet ensures that the blocking door can be firmly locked after being closed, preventing accidental opening.
[0019] In a preferred scheme, the two sides of the support column are both fixedly connected with T-shaped structure limiting strips, and the connecting blocks are both in sliding connection with the corresponding limiting strips.
[0020] The T-shaped structure limiting strip provides accurate guidance for the connecting block, ensuring the stability of the connecting block when sliding on the support column, and avoiding left and right shaking.
[0021] The safety protection device for the elevator has the following advantages:
[0022] In the utility model, the safety protection device for the elevator, in use, drives the limiting pin to press against the limiting rack through the car in the process of ascending, and the limiting pin can be stuck in the limiting rack through the cooperation of the limiting pin and the limiting rack when the elevator suddenly falls, so that the car is immediately locked, the sudden falling of the car is prevented, the life safety of passengers and operators is ensured, serious casualty accidents caused by falling are prevented, especially in high-rise buildings, this is particularly important, on the other hand, when the car is used for carrying goods, the falling is prevented to avoid damage to the goods, ensure the safety of the goods in the transportation process, reduce economic losses, and greatly improve the operation quality and use efficiency compared with the traditional device. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a first perspective three-dimensional schematic view of the safety protection device for the elevator.
[0024] Figure 2 It is a second perspective three-dimensional schematic view of the safety protection device for the elevator.
[0025] Figure 3 It is a sectional view of the support column of the safety protection device for the elevator.
[0026] Figure 4 It is a screw structure schematic view of the safety protection device for the elevator.
[0027] Figure 5 It is a limiting rack structure schematic view of the safety protection device for the elevator.
[0028] Figure 6 For Figure 3 Enlarged view at A.
[0029] In the drawings: 1, base; 2, support column; 3, connecting block; 4, car; 5, sliding groove; 6, connecting rod; 7, limit rack; 8, spring; 9, limit pin; 10, connecting plate; 11, pull handle; 12, L-shaped plate; 13, screw rod; 14, motor; 15, fixed groove; 16, control panel; 17, door; 18, door handle; 19, magnet; 20, limit strip. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0031] The safety protection device of the elevator disclosed by the utility model mainly applies to the scene of the elevator.
[0032] With reference to Figure 3 and Figure 5 A safety protection device of an elevator, comprising a base 1, the top of the base 1 is fixedly connected with two support columns 2, the outer part of each support column 2 is slidably connected with a connecting block 3, the two connecting blocks 3 are fixedly connected with a car 4, one side of one of the support columns 2 is provided with a sliding groove 5, the outer part of the sliding groove 5 is slidably connected with a limit rack 7, the limit rack 7 is fixedly connected with a connecting rod 6 at equal intervals on one side, the outer part of the connecting rod 6 and between the inner wall of the sliding groove 5 and one side of the limit rack 7 are both sleeved with a spring 8, one side of the car 4 is fixedly connected with a limit pin 9, and the limit pin 9 is used in cooperation with the limit rack 7.
[0033] The base 1 and the support column 2 provide a stable support structure for the entire fall protection device, ensuring the stability of the device. The sliding connection design of the connecting block 3 and the car 4 allows the car 4 to move smoothly up and down between the support columns 2, thereby improving the safety of the construction personnel working at high altitudes. The design of the sliding groove 5 and the limit rack 7 ensures that the up and down movement of the car 4 is precisely controlled. The spring 8 provides an automatic reset function. When the car 4 is subjected to accidental impact, the limit pin 9 cooperates with the limit rack 7 to quickly lock the position, preventing the car 4 from rapidly falling, thereby protecting the safety of the construction personnel.
[0034] Referring to Figure 3 and Figure 5 In a preferred embodiment, the ends of the connecting rod 6 away from the limit rack 7 are extended to the outside of the support column 2 and fixedly connected with the connecting plate 10. The side of the connecting plate 10 away from the connecting rod 6 is fixedly connected with the pull handle 11.
[0035] In this embodiment, the design of the pull handle 11 allows the operator to manually adjust the position of the connecting rod 6, thereby controlling the movement of the car 4, improving the operation convenience of the device, and facilitating quick adjustment of the state of the device under different working conditions, enhancing the flexibility during construction.
[0036] Referring to Figure 1 and Figure 4 In a preferred embodiment, one end of the top of the base 1 is fixedly connected with the L-shaped plate 12. The bottom of the L-shaped plate 12 is rotatably connected with the lead screw 13. The bottom of the lead screw 13 is rotatably connected with the top of the base 1. One of the connecting blocks 3 is threadedly connected with the lead screw 13. The top of the L-shaped plate 12 is fixedly connected with the motor 14. The output shaft of the motor 14 penetrates the L-shaped plate 12 and is fixedly connected with the top of the lead screw 13.
[0037] In this embodiment, the design of the L-shaped plate 12 and the lead screw 13 provides the height adjustment function of the car 4. By driving the lead screw 13 with the motor 14, automatic lifting of the car 4 can be achieved, reducing the burden of manual operation, improving construction efficiency, and also improving the intelligent level of the device.
[0038] Referring to Figure 1 and Figure 2 In a preferred embodiment, four fixed grooves 15 are symmetrically provided in the interior of the base 1.
[0039] In this embodiment, the fixed grooves 15 provide mounting positions for the fixation of the device, allowing it to be firmly fixed to the ground or other support structures, preventing displacement or tilting of the device during use, and increasing the overall safety and stability.
[0040] Referring to Figure 1 and Figure 2In a preferred implementation, the outer side of the L-shaped plate 12 is fixedly connected with a control panel 16, and the motor 14 is electrically connected with the control panel 16.
[0041] This embodiment: The control panel 16 provides an interface for centralized control of the device, and the operator can accurately control the movement of the motor 14 and the car 4 through the control panel 16.
[0042] Referring to Figure 1 and Figure 3 In a preferred implementation, one side of the car 4 is hingedly connected with a door 17, the outer side of the door 17 is fixedly connected with a door handle 18, one side of the car 4 and one side of the door 17 are both fixedly connected with a magnet 19, and the two magnets 19 are used in cooperation.
[0043] This embodiment: The design of the door 17 provides safety protection for the construction personnel entering the car 4, and the cooperation of the door handle 18 and the magnet 19 ensures that the door 17 can be firmly locked after being closed to prevent accidental opening.
[0044] Referring to Figure 1 and Figure 6 In a preferred implementation, the two sides of the support column 2 are both fixedly connected with a T-shaped structure limiting strip 20, and the connecting block 3 is slidingly connected with the corresponding limiting strip 20.
[0045] This embodiment: The T-shaped structure limiting strip 20 provides accurate guidance for the connecting block 3, ensuring the stability of the connecting block 3 when sliding on the support column 2, and avoiding left and right shaking.
[0046] Working principle: the above elevator in use, the top of L-shaped plate 12 is fixed with motor 14, the output shaft of motor 14 passes through L-shaped plate 12 and is fixedly connected with the top of lead screw 13, the lead screw 13 is rotated through motor 14, realizes the lifting control of connecting block 3 and its fixed car 4, is supported by base 1, the top of base 1 is fixedly connected with two support columns 2, the outside of each support column 2 is slidably connected with connecting block 3, two connecting blocks 3 are fixedly connected with car 4 between, the car 4 is used to provide a lifting platform for construction personnel or material, ensures the safety when working in the air, the sliding slot 5 is set on one side of one support column 2, the limit rack 7 is slidably connected in the sliding slot 5, a plurality of connecting rods 6 are fixedly connected on one side of limit rack 7 at equal intervals, the connecting rod 6 is located between limit rack 7 and the inner wall of sliding slot 5 and is sleeved with spring 8, the combination of these connecting rods 6 and spring 8 forms an elastic reset anti-falling system, when the limit pin 9 is inserted into limit rack 7, the car 4 can be prevented from accidental falling, when it is needed to release limit rack 7 to operate car 4, the connecting plate 10 can be manually pulled by pulling handle 11, the connecting rod 6 is retracted through the force, thereby releasing the locking of limit rack 7 and limit pin 9, the life safety of passengers and operating personnel can be ensured, serious casualty accidents caused by falling can be prevented, when carrying goods, the prevention of falling can avoid the damage of goods, ensure the safety of goods in the transportation process, reduce economic losses, greatly improve the operation quality and use efficiency compared with traditional devices.
[0047] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A safety protection device for an elevator, comprising a base (1), characterized in that, Two support columns (2) are fixedly connected to the top of the base (1). Connecting blocks (3) are slidably connected to the outside of each support column (2). A car (4) is fixedly connected between the two connecting blocks (3). A sliding groove (5) is provided on one side of one of the support columns (2). A limiting rack (7) is slidably connected to the outside of the sliding groove (5). A connecting rod (6) is fixedly connected at equal intervals to one side of the limiting rack (7). A spring (8) is sleeved between the outside of the connecting rod (6) and the side of the limiting rack (7) and the inner wall of the sliding groove (5). A limiting pin (9) is fixedly connected to one side of the car (4). The limiting pin (9) works in conjunction with the limiting rack (7).
2. The safety protection device for an elevator according to claim 1, characterized in that, The end of the connecting rod (6) away from the limiting rack (7) extends to the outside of the support column (2) and is fixedly connected to the connecting plate (10). The side of the connecting plate (10) away from the connecting rod (6) is fixedly connected to the pull handle (11).
3. The safety protection device for an elevator according to claim 1, characterized in that, An L-shaped plate (12) is fixedly connected to one end of the top of the base (1). A lead screw (13) is rotatably connected to the bottom of the L-shaped plate (12). The bottom of the lead screw (13) is rotatably connected to the top of the base (1). One of the connecting blocks (3) is threadedly connected to the lead screw (13). A motor (14) is fixedly connected to the top of the L-shaped plate (12). The output shaft of the motor (14) passes through the L-shaped plate (12) and is fixedly connected to the top of the lead screw (13).
4. The safety protection device for an elevator according to claim 1, characterized in that, The base (1) has four symmetrically arranged fixing slots (15) inside.
5. A safety protection device for an elevator according to claim 3, characterized in that, A control panel (16) is fixedly connected to the outside of the L-shaped plate (12), and the motor (14) is electrically connected to the control panel (16).
6. A safety protection device for an elevator according to claim 1, characterized in that, A door (17) is hinged to one side of the car (4). A door handle (18) is fixedly connected to the outside of the door (17). Magnets (19) are fixedly connected to both one side of the car (4) and one side of the door (17). The two magnets (19) are used together.
7. A safety protection device for an elevator according to claim 1, characterized in that, Both sides of the support column (2) are fixedly connected with T-shaped limiting strips (20), and the connecting blocks (3) are slidably connected to the corresponding limiting strips (20).