Monitoring device for elevator maintenance

Abstract

The utility model relates to the technical field of elevator maintenance, in particular to a monitoring device for elevator maintenance, which comprises a mounting bracket, a monitoring structure and a triggering structure, the monitoring structure comprises a mainframe box which is fixedly installed in the middle of the upper side of the supporting frame. The trigger structure comprises a rod sleeve which is fixedly installed on the surface of one side of the mainframe box, one end of the rod sleeve is slidably clamped with a sliding rod, one end of the sliding rod is fixedly provided with a wheel frame, and one end of the wheel frame is rotatably provided with a wire wheel. The side surface of the sliding rod is sleeved with a supporting spring. According to the utility model, the mounting bracket is fixedly mounted on the upper surface of the elevator car, the steel cable penetrates through the mounting underframe and the wheel carrier, the wire wheel is used for abutting against one side of the steel cable, the sliding rod is pushed to slide into the rod sleeve through the elastic potential energy accumulated by the supporting spring, and the wheel carrier is used for providing a force for pulling the steel cable towards one side; and the monitoring structure monitors the tension of the steel cable at any time by monitoring the change interval of the tension.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance technical field, concretely is a monitoring device for elevator maintenance. BACKGROUND

[0002] The elevator has become one of the public traffic transport tools indispensable for modern society, and the safety of the elevator has become the focus of attention, and the daily maintenance quality of the elevator is directly related to the operation safety of the elevator, and due to the lack of effective maintenance supervision means, the maintenance is not timely, the maintenance is a formality, and the maintenance is not in place, which is one of the important factors causing the elevator failure and accident.

[0003] Among them, the steel cable is directly pulled as a component of the elevator, and is a component that needs to be monitored in the maintenance work, and the current steel cable maintenance mode is that the staff enters the elevator shaft, directly cooperates with the tension balance through the tape, and the steel cable is pulled to the specified distance, and the tension balance is measured at this time, and the tension of the steel cable is determined, which is dangerous for the staff, cannot be monitored in real time, and can only be measured manually at fixed time, and the work burden is large. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a monitoring device for elevator maintenance to solve the problems in the above background technology.

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

[0006] A monitoring device for elevator maintenance comprises:

[0007] The mounting support comprises a supporting frame.

[0008] The monitoring structure comprises a main box, and the main box is fixedly installed on the upper side of the supporting frame.

[0009] The trigger structure comprises a rod sleeve, the rod sleeve is fixedly installed on one side of the main box, one end of the rod sleeve is slidably connected with a sliding rod, one end of the sliding rod is fixedly installed with a wheel frame, and one end of the wheel frame is rotatably installed with a wire wheel.

[0010] Further, the mounting support further comprises:

[0011] The mounting base is fixedly connected with the supporting frame on the upper surface of one side edge.

[0012] The mounting bolt is inserted and screwed into the four corners of the mounting base.

[0013] The reinforcing support rod is fixedly connected with the upper end of the support frame on both ends of the upper edge of one side.

[0014] Further, the monitoring structure further comprises:

[0015] The connecting rod is fixedly connected with one end of the slide rod through the rod sleeve, and is slidably inserted into the main box;

[0016] The second ribbon cable is fixedly connected with the lower edge of one side of the main box;

[0017] The rack is fixedly installed on the upper surface of the connecting rod;

[0018] The gear is engaged with the rack;

[0019] The connecting shaft is fixedly sleeved with the gear.

[0020] Further, the monitoring structure further comprises:

[0021] The winding shaft is fixedly installed on both ends of the connecting shaft;

[0022] The first ribbon cable is fixedly connected with one end of the winding shaft;

[0023] The resistance slider is fixedly installed on the other end of the first ribbon cable;

[0024] The resistance plate is slidably abutted with the resistance slider on the bottom side.

[0025] Further, the monitoring structure further comprises:

[0026] The force plate is fixedly installed on the bottom side of the resistance slider;

[0027] The reset spring is fixedly installed on one side of the force plate.

[0028] Further, the slide rod is sleeved with the supporting spring on the side surface.

[0029] Compared with the prior art, the utility model has the beneficial effects that:

[0030] 1, the installation support is fixedly installed on the upper surface of the elevator car, and the steel cable is passed through the installation base and the wheel frame, the wire reel is abutted with one side of the steel cable, and the elastic potential energy accumulated by the supporting spring is used to push the slide rod to slide into the rod sleeve, and the wheel frame provides a force to pull the steel cable to one side, and the monitoring structure monitors the tension of the steel cable by monitoring the change interval of the force.

[0031] 2, the first cable is wound on the winding shaft side surface, when the cable tension changes greatly, the support spring also pushes the slide bar to change greatly, and then drives the connecting rod to slide forward and backward in the main box, and the rack rubs the gear to rotate, and the connecting shaft drives the winding shaft to rotate, the first cable is wound on the winding shaft side surface, and the elastic support provided by the reset spring is provided to the force plate, and then the resistance slider slides forward and backward in the resistance plate, and the effect similar to the sliding rheostat is achieved, and the main box is connected with the circuit system and the control system in the elevator car through the second cable, and the real-time monitoring of the cable tension is realized through the electrical change caused by the resistance change. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is the overall structure of the present application schematic diagram;

[0033] Figure 2 is the mounting bracket of the present application schematic diagram;

[0034] Figure 3 is the monitoring structure of the present application schematic diagram;

[0035] Figure 4 is the monitoring structure of the present application schematic diagram;

[0036] Figure 5 is the first placement trigger structure of the present application schematic diagram.

[0037] In the drawing: 1, mounting bracket;101, mounting chassis;102, mounting bolt;103, support frame;104, reinforcing strut;2, monitoring structure;201, main box;202, connecting rod;203, rack;204, gear;205, connecting shaft;206, winding shaft;207, first cable;208, resistance slider;209, force plate;210, reset spring;211, second cable;212, resistance plate;3, trigger structure;301, rod sleeve;302, slide bar;303, support spring;304, wheel frame;305, wire wheel. DETAILED DESCRIPTION

[0038] 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. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0039] Please refer to Figures 1-5In this embodiment of the present invention, a monitoring device for elevator maintenance includes a mounting bracket 1, a monitoring structure 2, and a triggering structure 3. The mounting bracket 1 includes a support frame 103; the monitoring structure 2 includes a main unit box 201, which is fixedly installed on the upper middle part of the support frame 103; the triggering structure 3 includes a rod sleeve 301, which is fixedly installed on one side surface of the main unit box 201. A sliding rod 302 is slidably engaged at one end of the rod sleeve 301, and a wheel frame 304 is fixedly installed at one end of the sliding rod 302. A spool 305 is rotatably installed at one end of the wheel frame 304; a support spring 303 is sleeved on the side surface of the sliding rod 302.

[0040] Specifically, the mounting bracket 1 is fixedly installed on the upper surface of the elevator car, and the steel cable passes through the mounting base 101 and the wheel frame 304. The cable wheel 305 abuts against one side of the steel cable, and the elastic potential energy stored in the support spring 303 pushes the slide rod 302 to slide into the rod sleeve 301. The wheel frame 304 provides a force to pull the steel cable to one side. The monitoring structure 2 monitors the tension of the steel cable at all times by monitoring the range of change of this tension.

[0041] Example 1

[0042] like Figure 1 As shown, in this embodiment, the mounting bracket 1 further includes a mounting base 101, mounting bolts 102, and reinforcing struts 104. One edge of the upper surface of the mounting base 101 is fixedly connected to the support frame 103; the mounting bolts 102 are inserted and screwed into the four corners of the mounting base 101; the lower end of the reinforcing strut 104 is fixedly connected to both ends of the other edge of the upper surface of the mounting base 101, and the upper end of the reinforcing strut 104 is fixedly connected to both ends of the upper edge of one side of the support frame 103.

[0043] In practice, the mounting base 101 is fixedly installed on the upper surface of the car by mounting bolts 102. At the same time, the support frame 103 supports the monitoring structure 2 and the triggering structure 3. The reinforcing strut 104, the mounting base 101, and the support frame 103 form a triangular structure to reinforce the overall structure.

[0044] Example 2

[0045] Based on Example 1, in order to supplement the specific detection method of steel cable tension change by the cooperation of monitoring structure 2 and triggering structure 3, which was not mentioned in Example 1,

[0046] like Figure 5As shown, in the embodiment, the monitoring structure 2 further comprises a connecting rod 202, a rack 203, a gear 204, a connecting shaft 205, a winding shaft 206, a first ribbon cable 207, a resistance slider 208, a force plate 209, a reset spring 210, a second ribbon cable 211 and a resistance plate 212, one end of the connecting rod 202 is fixedly connected with one end of a slide rod 302 through a rod sleeve 301, and the connecting rod 202 is slidingly inserted into the inside of a main box 201; the upper end of the second ribbon cable 211 is fixedly connected with the lower edge of one side of the main box 201; the rack 203 is fixedly installed on the upper surface of the connecting rod 202; the gear 204 is engaged with the rack 203; the connecting shaft 205 is fixedly sleeved with the gear 204 at the middle part; the winding shaft 206 is fixedly installed at both ends of the connecting shaft 205; one end of the first ribbon cable 207 is fixedly connected with the winding shaft 206; the resistance slider 208 is fixedly installed at the other end of the first ribbon cable 207; the bottom side of the resistance plate 212 is slidingly abutted with the resistance slider 208; the force plate 209 is fixedly installed at the bottom side of the resistance slider 208; and the reset spring 210 is fixedly installed at one side of the force plate 209.

[0047] In specific implementation, the first ribbon cable 207 is wound on the side surface of the winding shaft 206, when the steel cable tension changes greatly, the supporting spring 303 also pushes the slide rod 302 to change greatly, thereby driving the connecting rod 202 to slide forward and backward in the inside of the main box 201, and the rack 203 is rubbed to rotate the gear 204, the connecting shaft 205 drives the winding shaft 206 to rotate, the first ribbon cable 207 is retracted and released, the elastic support provided by the reset spring 210 to the force plate 209 is matched, thereby controlling the resistance slider 208 to slide forward and backward in the resistance plate 212, achieving the effect of a sliding rheostat, and the main box 201 is connected with the circuit system and the control system in the elevator car through the second ribbon cable 211, and the real-time monitoring of the steel cable tension is realized through the electrical change caused by the change of the resistance.

[0048] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalency of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be regarded as limiting the claims to which they belong.

[0049] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A monitoring device for elevator maintenance, characterized in that, The application relates to a monitoring device for a power distribution cabinet. The monitoring device comprises a mounting support (1) and a monitoring structure (2). The mounting support (1) comprises a supporting frame (103). The monitoring structure (2) comprises a main cabinet (201) fixedly installed on the middle part of the upper side of the supporting frame (103).

2. The monitoring device for maintenance of an elevator according to claim 1, characterized by The monitoring structure (2) further comprises a connecting rod (202), a No.2 ribbon cable (211), a rack (203), a gear (204), a connecting shaft (205), a winding shaft (206), a No.1 ribbon cable (207), a resistance sliding block (208), a resistance plate (212), a force plate (209) and a reset spring (210). The mounting support (1) further comprises a mounting base (101), mounting bolts (102) and reinforcing struts (104). The mounting base (101) is fixedly connected with the supporting frame (103) on one side edge of the upper surface. The mounting bolts (102) are screwed into the four corners of the mounting base (101).

3. The monitoring device for maintenance of an elevator according to claim 2, characterized by The reinforcing struts (104) are fixedly connected with the mounting base (101) on the other side edge of the upper surface and with the supporting frame (103) on the upper edge of one side. The connecting rod (202) is fixedly connected with the sliding rod (302) on one end and is slidably inserted into the main cabinet (201). The No.2 ribbon cable (211) is fixedly connected with the main cabinet (201) on one end. The rack (203) is fixedly installed on the upper surface of the connecting rod (202). The gear (204) is in mesh with the rack (203). The connecting shaft (205) is fixedly sleeved with the gear (204) on the middle part.

4. The monitoring device for maintenance of an elevator according to claim 3, characterized by The winding shaft (206) is fixedly installed on the two ends of the connecting shaft (205). The No.1 ribbon cable (207) is fixedly connected with the winding shaft (206) on one end. The resistance sliding block (208) is fixedly installed on the other end of the No.1 ribbon cable (207). The resistance plate (212) is slidably abutted with the resistance sliding block (208) on the bottom side. The force plate (209) is fixedly installed on the bottom side of the resistance sliding block (208).

5. The monitoring device for maintenance of an elevator according to claim 4, characterized by The reset spring (210) is fixedly installed on one side of the force plate (209). The supporting spring (303) is sleeved with the side surface of the sliding rod (302). ​ 6. The monitoring device for maintenance of an elevator according to claim 5, characterized by ​

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