Elevator maintenance anti-falling rod
By installing a hydraulic driver on the wall surface of the elevator well, the anti -pendant was pierced into the wall to block the elevator's fall using the anti -pendant nails, which solved the problem of insufficient protection of the bottom of the bottom of the middle wellway, and significantly improved the safety of elevator maintenance operations.
Patent Information
- Application Number
- CN202421294372.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-06
AI Technical Summary
In the existing elevator maintenance technology, the anti-fall protection solution at the bottom of the shaft has obvious defects, which is difficult to effectively prevent the damage caused by the elevator falling and the components falling off, and brings safety hazards that cannot be ignored to the maintenance personnel.
Design an elevator maintenance anti -pendant rod. By installing multiple or single anti -pendant rods on the elevator's wall surface, the combination of hydraulic components and anti -pendant nails. When the elevator falls, the hydraulic oil flows into the hydraulic oil hole, and the piston column is pushed to prevent the prevention of prevention. The conical end of the pendant and anti -pendant, the conical end of the anti -pendant was pierced into the elevator's well wall, blocking the fall of the elevator.
Effectively avoiding the danger caused by the staff when working at the bottom of the elevator well, providing more reliable anti -fall protection, and enhanced the safety of elevator maintenance operations.
Smart Images
Figure CN222410607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator maintenance, in particular to an elevator maintenance anti-fall rod. Background Art
[0002] In modern urban buildings, elevators are the core components of vertical transportation. Their stable operation and safe maintenance are key elements to ensure the functionality of buildings and the safety of personnel. However, elevator maintenance operations, especially those involving the bottom of the shaft, have long been the focus and challenge of the industry due to their special working environment and potential high risks. Although existing safety regulations and protective measures have reduced the occurrence of accidents to a certain extent, the anti-fall protection scheme for maintenance at the bottom of the elevator shaft still has obvious defects, which brings safety hazards that cannot be ignored to maintenance personnel.
[0003] In traditional elevator maintenance operations, the protection of the bottom of the shaft mainly relies on manually set safety railings, warning signs, and personal protective equipment, such as helmets and safety belts. These measures have many limitations in actual operation: the installation of manual railings is not only time-consuming and labor-intensive, but also its stability and reliability are greatly affected by human factors. Once an emergency occurs, it is difficult to provide adequate protection immediately; and although warning signs can remind passers-by to pay attention, they have little effect on preventing injuries caused by accidental elevator falls or parts falling off. As for personal protective equipment, although it can provide the last line of defense for operators, its protection capabilities are limited in the face of extreme accidents and cannot eliminate the risk of falling.
[0004] The maintenance work environment at the bottom of the elevator shaft is complex, with small space, insufficient light, poor ventilation, and the possibility of water accumulation, oil pollution, etc., which increases the difficulty of work and safety risks. In this environment, the range of activities of maintenance personnel is limited. Once an emergency occurs, such as the elevator suddenly moving down or heavy objects falling, it is difficult to respond quickly and effectively even if equipped with standard safety equipment. The escape or shelter space is extremely limited, and it is not convenient to arrange an elevator fall prevention device at the bottom of the elevator shaft.
[0005] Therefore, how to provide an elevator maintenance anti-fall rod is a problem that those skilled in the art need to solve urgently. Utility Model Content
[0006] One purpose of the utility model is to provide an elevator maintenance anti-fall rod. The utility model installs multiple or single elevator maintenance anti-fall rods on the wall of the elevator shaft above the head of the staff. When the elevator falls, the bottom of the elevator contacts the top of the sliding rod, and the sliding rod flows the hydraulic oil in the hydraulic cylinder into the first hydraulic oil hole and the second hydraulic oil hole. The hydraulic oil in the first hydraulic oil hole and the second hydraulic oil hole squeezes the piston column outward, and the piston column pushes the anti-fall plate and the anti-fall nail. The anti-fall nail extends out of the first anti-fall hole and the second anti-fall hole, and the conical end of the anti-fall nail penetrates into the wall of the elevator shaft to block the elevator from falling, thereby preventing the staff from encountering the danger of the elevator falling when working at the bottom of the elevator shaft.
[0007] An elevator maintenance anti-fall rod according to an embodiment of the utility model comprises an anti-fall rod and a hydraulic component, wherein the hydraulic component is mounted on the anti-fall rod;
[0008] The hydraulic component comprises a hydraulic trigger assembly and a hydraulic actuator assembly, wherein the bottom of the hydraulic trigger assembly is fixedly mounted on the top of the hydraulic component, and the hydraulic actuator assembly is slidably mounted in the anti-fall rod.
[0009] Furthermore, the anti-falling rod comprises a first anti-falling sub-rod and a second anti-falling sub-rod, and the opposite ends of the first anti-falling sub-rod and the second anti-falling sub-rod are threadedly connected.
[0010] Furthermore, a first hydraulic oil hole is opened inside the first anti-fall sub-rod, a first mounting hole is opened on the top of the first anti-fall sub-rod, a first anti-fall hole is opened at one end of the first anti-fall sub-rod, and a threaded rod is fixedly provided at the other end of the first anti-fall sub-rod.
[0011] Furthermore, a second hydraulic oil hole is opened inside the second anti-fall sub-rod, a second mounting hole is opened on the top of the second anti-fall sub-rod, a second anti-fall hole is opened at one end of the second anti-fall sub-rod, and a threaded hole is opened at the other end of the second anti-fall sub-rod.
[0012] Furthermore, the hydraulic trigger assembly includes a hydraulic cylinder, a sliding rod, a hydraulic spring and a safety plate, wherein the bottom of the hydraulic cylinder is fixedly installed in the first mounting hole, the bottom of the hydraulic cylinder is fixedly installed in the second mounting hole, the sliding rod is slidably installed in the hydraulic cylinder, the top of the hydraulic spring is fixedly installed on the bottom of the sliding rod, the bottom of the hydraulic spring is fixedly installed on the top of the safety plate, and both ends of the safety plate are fixedly installed on the inner wall of the hydraulic cylinder.
[0013] Furthermore, a breaking groove is provided on the outer surface of the middle portion of the safety plate.
[0014] Further, the hydraulic actuator assembly includes a piston column, an anti-fall plate and an anti-fall nail, wherein the piston column is slidably installed in a first hydraulic oil hole, the piston column is slidably installed in a second hydraulic oil hole, the anti-fall plate is fixedly installed on an end of the piston column away from the hydraulic cylinder, the anti-fall nail is fixedly installed on an end of the anti-fall plate away from the piston column, the anti-fall nail is slidably installed in the first anti-fall hole, and the anti-fall nail is slidably installed in the second anti-fall hole.
[0015] Furthermore, a plurality of anti-falling nails are provided, and the plurality of anti-falling nails are all fixedly mounted on one end of the anti-falling plate away from the piston column, one end of the anti-falling nail is arranged in a cylindrical shape, and the other end of the anti-falling nail is arranged in a conical shape.
[0016] The beneficial effects of the utility model are:
[0017] The utility model installs a plurality of or a single anti-fall rods for elevator maintenance on the wall of the elevator shaft above the heads of the workers. When the elevator falls, the bottom of the elevator contacts the top of the sliding rod, and the sliding rod flows the hydraulic oil in the hydraulic cylinder into the first hydraulic oil hole and the second hydraulic oil hole. The hydraulic oil in the first hydraulic oil hole and the second hydraulic oil hole squeezes the piston column outwards, and the piston column pushes the anti-fall plate and the anti-fall nail. The anti-fall nail extends out of the first anti-fall hole and the second anti-fall hole, and the conical end of the anti-fall nail pierces the wall of the elevator shaft to stop the elevator from falling, thereby preventing the workers from encountering the danger of the elevator falling when working at the bottom of the elevator shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of an elevator maintenance anti-fall rod proposed by the utility model;
[0020] Figure 2 A cross-sectional view of a first anti-fall sub-rod of an elevator maintenance anti-fall rod proposed by the utility model;
[0021] Figure 3 The utility model provides an elevator maintenance anti-fall rod Figure 2 Enlarged view of point A.
[0022] In the figure: 1. anti-fall rod; 2. hydraulic component; 3. hydraulic trigger assembly; 3.1. hydraulic cylinder; 3.2. sliding rod; 3.3. hydraulic spring; 3.4. safety plate; 3.4.1. breaking groove; 4. hydraulic actuator assembly; 4.1. piston column; 4.2. anti-fall plate; 4.3. anti-fall nail; 5. first anti-fall sub-rod; 5.1. first hydraulic oil hole; 5.2. first mounting hole; 5.3. first anti-fall hole; 5.4. threaded rod; 6. second anti-fall sub-rod; 6.1. second hydraulic oil hole; 6.2. second mounting hole; 6.3. second anti-fall hole; 6.4. threaded hole. DETAILED DESCRIPTION
[0023] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0024] Please refer to Figures 1 to 3 The utility model provides an elevator maintenance anti-fall rod, comprising an anti-fall rod 1 and a hydraulic component 2, wherein the hydraulic component 2 is mounted on the anti-fall rod 1;
[0025] The hydraulic component 2 includes a hydraulic trigger component 3 and a hydraulic actuator component 4, wherein the bottom of the hydraulic trigger component 3 is fixedly installed on the top of the hydraulic component 2, the hydraulic trigger component 3 is used to trigger the start, and the hydraulic actuator component 4 is slidably installed in the anti-fall rod 1, and the hydraulic actuator component 4 is used to pierce the wall.
[0026] Specifically, the anti-fall rod 1 includes a first anti-fall sub-rod 5 and a second anti-fall sub-rod 6. The first anti-fall sub-rod 5 and the second anti-fall sub-rod 6 are threadedly connected at opposite ends. A first hydraulic oil hole 5.1 is provided inside the first anti-fall sub-rod 5. A first mounting hole 5.2 is provided on the top of the first anti-fall sub-rod 5. A first anti-fall hole 5.3 is provided at one end of the first anti-fall sub-rod 5. A threaded rod 5.4 is fixedly provided at the other end of the first anti-fall sub-rod 5.
[0027] A second hydraulic oil hole 6.1 is provided inside the second anti-falling sub-rod 6, a second mounting hole 6.2 is provided on the top of the second anti-falling sub-rod 6, a second anti-falling hole 6.3 is provided at one end of the second anti-falling sub-rod 6, and a threaded hole 6.4 is provided at the other end of the second anti-falling sub-rod 6.
[0028] More specifically, the hydraulic trigger assembly 3 includes a hydraulic cylinder 3.1, a slide bar 3.2, a hydraulic spring 3.3 and a safety plate 3.4, wherein the bottom of the hydraulic cylinder 3.1 is fixedly mounted in the first mounting hole 5.2, the bottom of the hydraulic cylinder 3.1 is fixedly mounted in the second mounting hole 6.2, the slide bar 3.2 is slidably mounted in the hydraulic cylinder 3.1, the top of the hydraulic spring 3.3 is fixedly mounted on the bottom of the slide bar 3.2, the bottom of the hydraulic spring 3.3 is fixedly mounted on the top of the safety plate 3.4, both ends of the safety plate 3.4 are fixedly mounted on the inner wall of the hydraulic cylinder 3.1, and a breaking groove 3.4.1 is provided on the outer surface of the middle position of the safety plate 3.4. The safety plate 3.4 supports the hydraulic spring 3.3 and the slide bar 3.2 to block it, so as to prevent the external environment from accidentally pressing the slide bar 3.2 and the slide bar 3.2 from sinking easily.
[0029] More specifically, the hydraulic actuator 4 includes a piston column 4.1, an anti-drop plate 4.2 and an anti-drop nail 4.3, wherein the piston column 4.1 is slidably installed in the first hydraulic oil hole 5.1, the piston column 4.1 is slidably installed in the second hydraulic oil hole 6.1, the anti-drop plate 4.2 is fixedly installed on the end of the piston column 4.1 away from the hydraulic cylinder 3.1, the anti-drop nail 4.3 is fixedly installed on the end of the anti-drop plate 4.2 away from the piston column 4.1, the anti-drop nail 4.3 is slidably installed in the first anti-drop hole 5.3, the anti-drop nail 4.3 is slidably installed in the second anti-drop hole 6.3, a plurality of anti-drop nails 4.3 are provided, and the plurality of anti-drop nails 4.3 are all fixedly installed on the end of the anti-drop plate 4.2 away from the piston column 4.1, one end of the anti-drop nail 4.3 is cylindrically arranged, and the other end of the anti-drop nail 4.3 is conically arranged, and the anti-drop nail 4.3 can pierce the wall of the elevator shaft.
[0030] Furthermore, by rotating the first anti-falling sub-rod 5 and the second anti-falling sub-rod 6, the threaded rod 5.4 of the first anti-falling sub-rod 5 and the threaded hole 6.4 of the second anti-falling sub-rod 6 are adjusted in length, so that the lengths of the first anti-falling sub-rod 5 and the second anti-falling sub-rod 6 are adapted to the size of the elevator shaft, so that the first anti-falling sub-rod 5 and the second anti-falling sub-rod 6 are stuck on the wall of the elevator shaft.
[0031] The staff works at the bottom of the elevator shaft, and multiple or single elevator maintenance anti-fall rods are installed on the wall of the elevator shaft above the staff's head. When the staff is repairing the elevator, when the elevator falls, the bottom of the elevator contacts the top of the slide bar 3.2, and the falling force of the slide bar 3.2 is applied to the slide bar 3.2. The slide bar 3.2 is subjected to the force and moves downward, and the slide bar 3.2 flows the hydraulic oil in the hydraulic cylinder 3.1 into the first hydraulic oil hole 5.1 and the second hydraulic oil hole 6.1. The hydraulic oil in the first hydraulic oil hole 5.1 and the second hydraulic oil hole 6.1 squeezes the piston rod 4.1 outward, and the piston rod 4.1 pushes the anti-fall plate 4.2, and the anti-fall plate 4.2 pushes the anti-fall nail 4.3, and the anti-fall nail 4.3 extends out of the first anti-fall hole 5.3 and the second anti-fall hole 6.3. The conical end of the anti-fall nail 4.3 pierces the wall of the elevator shaft to stop the elevator from falling, thereby preventing the staff from encountering the danger of the elevator falling when working at the bottom of the elevator shaft.
[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. An elevator maintenance anti-fall rod, characterized in that: It comprises an anti-fall rod (1) and a hydraulic component (2), wherein the hydraulic component (2) is mounted on the anti-fall rod (1); The hydraulic component (2) comprises a hydraulic trigger assembly (3) and a hydraulic actuator assembly (4), wherein the bottom of the hydraulic trigger assembly (3) is fixedly mounted on the top of the hydraulic component (2), and the hydraulic actuator assembly (4) is slidably mounted in the anti-fall rod (1).
2. The elevator maintenance anti-fall rod according to claim 1, characterized in that: The anti-falling rod (1) comprises a first anti-falling sub-rod (5) and a second anti-falling sub-rod (6), and the opposite ends of the first anti-falling sub-rod (5) and the second anti-falling sub-rod (6) are threadedly connected.
3. The elevator maintenance anti-fall rod according to claim 2, characterized in that: A first hydraulic oil hole (5.1) is provided inside the first anti-falling sub-rod (5), a first mounting hole (5.2) is provided at the top of the first anti-falling sub-rod (5), a first anti-falling hole (5.3) is provided at one end of the first anti-falling sub-rod (5), and a threaded rod (5.4) is fixedly provided at the other end of the first anti-falling sub-rod (5).
4. The elevator maintenance anti-fall rod according to claim 2, characterized in that: A second hydraulic oil hole (6.1) is provided inside the second anti-falling sub-rod (6), a second mounting hole (6.2) is provided at the top of the second anti-falling sub-rod (6), a second anti-falling hole (6.3) is provided at one end of the second anti-falling sub-rod (6), and a threaded hole (6.4) is provided at the other end of the second anti-falling sub-rod (6).
5. The elevator maintenance anti-fall rod according to claim 1, characterized in that: The hydraulic trigger assembly (3) comprises a hydraulic cylinder (3.1), a slide rod (3.2), a hydraulic spring (3.3) and a safety plate (3.4), wherein the bottom of the hydraulic cylinder (3.1) is fixedly mounted in a first mounting hole (5.2), the bottom of the hydraulic cylinder (3.1) is fixedly mounted in a second mounting hole (6.2), the slide rod (3.2) is slidably mounted in the hydraulic cylinder (3.1), the top of the hydraulic spring (3.3) is fixedly mounted on the bottom of the slide rod (3.2), the bottom of the hydraulic spring (3.3) is fixedly mounted on the top of the safety plate (3.4), and both ends of the safety plate (3.4) are fixedly mounted on the inner wall of the hydraulic cylinder (3.1).
6. The elevator maintenance anti-fall rod according to claim 5, characterized in that: A breaking groove (3.4.1) is provided on the outer surface of the middle portion of the safety plate (3.4).
7. The elevator maintenance anti-fall rod according to claim 1, characterized in that: The hydraulic actuator assembly (4) comprises a piston column (4.1), an anti-fall plate (4.2) and an anti-fall nail (4.3), wherein the piston column (4.1) is slidably mounted in a first hydraulic oil hole (5.1), the piston column (4.1) is slidably mounted in a second hydraulic oil hole (6.1), the anti-fall plate (4.2) is fixedly mounted on an end of the piston column (4.1) away from the hydraulic cylinder (3.1), the anti-fall nail (4.3) is fixedly mounted on an end of the anti-fall plate (4.2) away from the piston column (4.1), the anti-fall nail (4.3) is slidably mounted in the first anti-fall hole (5.3), and the anti-fall nail (4.3) is slidably mounted in the second anti-fall hole (6.3).
8. The elevator maintenance anti-fall rod according to claim 7, characterized in that: A plurality of anti-falling spikes (4.3) are provided, and the plurality of anti-falling spikes (4.3) are fixedly mounted on one end of the anti-falling plate (4.2) away from the piston rod (4.1), one end of the anti-falling spike (4.3) is arranged in a cylindrical shape, and the other end of the anti-falling spike (4.3) is arranged in a conical shape.