Mining man cage protective door fixing device

The mine cage door fixing device with a mounting frame, driving motor, and multiple baffle doors addresses the issue of worker hand pinching and door instability, enhancing safety and usability.

CN222204453UActive Publication Date: 2024-12-20ANHUI JINRISHENG MINING
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202323552172.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2024-12-20
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The combination of chain and crossbar in existing mine cage doors easily causes worker hand pinching, and the fixing method is imperfect, leading to potential safety hazards when the door flips inward or outward under force.

Method used

A fixing device for a mine passenger cage door featuring a mounting frame with a sliding groove, driving motor, threaded screw rod, and multiple baffle doors, including an outer, middle, and inner layer, with pulleys and push blocks, to ensure secure locking and prevent finger pinching.

Benefits of technology

The solution provides secure locking and increased door opening range, preventing finger pinching and enhancing safety by ensuring the door remains stable under force.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222204453U_ABST
    Figure CN222204453U_ABST
Patent Text Reader

Abstract

The utility model relates to a mining passenger cage protective door fixing device which comprises an installation frame, a sliding groove is formed in the bottom of the installation frame, a driving motor is arranged above the installation frame, the driving motor drives leftwards to be provided with a threaded lead screw, an inner-layer blocking door is installed between the upper inner wall and the lower inner wall of the installation frame, and a middle-layer blocking door is arranged between the inner-layer blocking door and an outer-layer blocking door. The top of the outer-layer blocking door is arranged on the threaded lead screw, two sets of pulleys are installed at the bottom of the outer-layer blocking door, two sets of pulleys are installed at the bottom of the middle-layer blocking door, a push block is installed on the right side of the top of the outer-layer blocking door and extends to the position above the top of the middle-layer blocking door, blocking blocks are installed on the left side and the right side of the top of the middle-layer blocking door, and a fixing groove is formed in the installation frame in an inwards-concave mode. The outer-layer blocking door can be inserted into the fixing groove, so that the locking and fixing effects are achieved, the safety coefficient of the cage door is improved, the effect of preventing fingers of workers from being pinched can be achieved, meanwhile, the door opening range is increased, and the workers can enter and exit conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of mine cage protection doors, in particular to a mine passenger cage protection door fixing device. Background Art

[0002] Cage, a mine hoisting container used to transport personnel, ores, equipment, materials, etc., generally can carry several tons, and its use is similar to that of an elevator;

[0003] Patent publication number CN206798936U discloses a coal mine cage door, including a crossbar, a chain, a collar, and a vertical pole. The two ends of the crossbar are connected to the collar, and the collar is sleeved on the vertical poles on both sides. The crossbar is connected in series through a chain. The collar consists of a circular ring inner core and an outer shell, and the outer shell is made of a wear-resistant material that is easy to slide and rub and easy to replace. The cage door is committed to providing a cage door with light weight and high strength, which is not easy to deform and jam, has no noise pollution, can reduce the sound of collision when pushing and pulling the crossbar, and can reduce the labor intensity of workers;

[0004] However, in the existing cage door, the combination of the chain and the cross bar easily causes the workers' hands to be pinched during work, and the fixing method of the cage door is not perfect. When the cage door is subjected to force from below, it is easy to cause the cage door to flip inward or outward, causing unnecessary safety problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the combination of the chain and the cross bar in the prior art easily causes the workers' hands to be pinched during work, and the fixing method of the cage door is not perfect. When the cage door is subjected to force below, it is easy to cause the cage door to flip inward or outward, causing unnecessary safety problems. A fixing device for a protective door of a cage for passengers in a mine is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fixing device for a protective door of a manned cage for a mine is designed, comprising a mounting frame, characterized in that a sliding groove is provided in a bottom slot of the mounting frame, a driving motor is provided inside the upper right side of the mounting frame, a threaded screw rod is provided for driving the driving motor to the left, and an outer layer of a blocking door is provided on the threaded screw rod;

[0008] An inner layer baffle door is fixedly installed between the upper and lower inner walls of the installation frame, and a middle layer baffle door is intermittently arranged between the inner layer baffle door and the outer layer baffle door;

[0009] The top sleeve of the outer layer baffle is arranged on the threaded screw rod, two sets of pulleys are installed at the bottom, and the bottom of the outer layer baffle is arranged in the sliding groove;

[0010] The top of the middle-layer baffle door is slidably arranged on the top of the installation frame, two sets of pulleys are installed on the bottom, and the bottom of the middle-layer baffle door is arranged in the sliding groove;

[0011] A push block is fixedly installed on the right side of the top of the outer layer baffle door, and the push block extends to the top of the middle layer baffle door;

[0012] Blocks are fixedly installed on both left and right sides of the top of the middle-level blocking door;

[0013] The left side of the installation frame is provided with a fixing groove which is concave inwards, and the fixing groove can be plugged and connected to the left side of the outer layer baffle door.

[0014] Preferably, the width of the stopper is the same as the thickness of the middle stopper door.

[0015] Preferably, the push block is arranged between the stop blocks on the left and right sides, and is used to contact and push the stop block when the outer stop door moves.

[0016] Preferably, the fixing groove can intermittently cooperate with the left side of the outer baffle door to limit and fix the outer baffle door.

[0017] Preferably, a strip window is provided on the opening of the outer barrier door.

[0018] The utility model proposes a fixing device for a protective door of a mining cage for passengers, which has the beneficial effects that: the utility model is provided with a fixing groove and an outer baffle door, so that the outer baffle door can be inserted into the fixing groove, thereby achieving a locking and fixing effect, thereby improving the safety factor of the cage door; the utility model is also provided with an outer baffle door, a middle baffle door and an inner baffle door, so that the effect of preventing workers' fingers from being pinched can be achieved, while also increasing the door opening range, thereby facilitating people to enter and exit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a fixing device for a protective door of a mining cage for passengers proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the top view of a fixing device for a protective door of a cage for passengers in a mine proposed by the utility model;

[0021] Figure 3 The utility model is a side structural schematic diagram of a fixing device for a protective door of a mining cage for passengers proposed by the utility model.

[0022] In the figure: 10, mounting frame; 11, sliding groove; 20, driving motor; 21, threaded screw; 22, outer layer stop door; 23, inner layer stop door; 24, middle layer stop door; 30, pulley; 40, push block; 50, stop block; 60, fixing groove; 70, strip window. DETAILED DESCRIPTION

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

[0024] Reference Figure 1-3 A fixing device for a protective door of a cage for a person in a mine, comprising a mounting frame 10, characterized in that a sliding groove 11 is provided in a bottom slot of the mounting frame 10, a driving motor 20 is provided inside the upper right side of the mounting frame 10, a threaded screw 21 is provided for driving the driving motor 20 to the left, and an outer layer stop door 22 is provided on the threaded screw 21;

[0025] An inner layer baffle door 23 is fixedly installed between the upper and lower inner walls of the installation frame 10, and a middle layer baffle door 24 is intermittently arranged between the inner layer baffle door 23 and the outer layer baffle door 22;

[0026] The top of the outer layer baffle door 22 is sleeved on the threaded screw rod 21 , two sets of pulleys 30 are installed on the bottom, and the bottom of the outer layer baffle door 22 is set in the sliding groove 11 .

[0027] The top of the middle layer baffle door 24 is slidably disposed on the top of the installation frame 10 , two sets of pulleys 30 are installed on the bottom, and the bottom of the middle layer baffle door 24 is disposed in the sliding groove 11 .

[0028] A push block 40 is fixedly mounted on the top right side of the outer layer baffle door 22, and the push block 40 extends to the top of the middle layer baffle door 24;

[0029] Stoppers 50 are fixedly mounted on both left and right sides of the top of the middle stopper door 24 .

[0030] The left side of the installation frame 10 is provided with a fixing groove 60 which is concave inwardly, and the fixing groove 60 can be plugged and connected to the left side of the outer layer baffle door 22 .

[0031] As an optimization solution of this embodiment, the width of the stopper 50 is the same as the thickness of the middle stopper 24 .

[0032] As an optimization solution of this embodiment, the push block 40 is arranged between the stop blocks 50 on the left and right sides, and is used to contact and push the stop block 50 when the outer stop door 22 moves.

[0033] As an optimization solution of this embodiment, the fixing groove 60 can intermittently cooperate with the left side of the outer layer baffle door 22 to limit and fix the outer layer baffle door 22.

[0034] As an optimization solution of this embodiment, a strip window 70 is provided on the opening of the outer layer baffle door 22 .

[0035] The overall workflow of the utility model is as follows:

[0036] First, the drive motor 20 is started clockwise, and the screw rod 21 rotates to drive the outer baffle door 22 to move to the left side, and the outer baffle door 22 drives the baffle block 50 set on the top left side of the middle baffle door 24 through the push block 40, thereby driving the middle baffle door 24 to move to the left side. When the outer baffle door 22 moves to the left side to the far left, the outer baffle door 22 is inserted into the fixing groove 60, thereby realizing the fixing and closing operation of the cage protection door;

[0037] Then, the drive motor 20 is started counterclockwise, and the threaded screw 21 rotates to drive the outer baffle door 22 to move horizontally to the right. The outer baffle door 22 drives the baffle block 50 set on the top right side of the middle baffle door 24 through the push block 40, thereby driving the middle baffle door 24 to move horizontally to the right. When the outer baffle door 22 moves horizontally to the right to the rightmost side, the cage protective door is opened to the maximum, which makes it convenient for staff to enter and exit.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing device for a protective door of a cage for passengers in a mine, comprising a mounting frame, characterized in that: The bottom of the installation frame is slotted with a sliding slot, and a driving motor is arranged inside the upper right side of the installation frame. The driving motor drives a threaded screw to the left, and an outer layer stop door is arranged on the threaded screw; An inner layer baffle door is fixedly installed between the upper and lower inner walls of the installation frame, and a middle layer baffle door is intermittently arranged between the inner layer baffle door and the outer layer baffle door; The top sleeve of the outer layer baffle is arranged on the threaded screw rod, two sets of pulleys are installed at the bottom, and the bottom of the outer layer baffle is arranged in the sliding groove; The top of the middle-layer baffle door is slidably arranged on the top of the installation frame, two sets of pulleys are installed on the bottom, and the bottom of the middle-layer baffle door is arranged in the sliding groove; A push block is fixedly installed on the right side of the top of the outer layer baffle door, and the push block extends to the top of the middle layer baffle door; Blocks are fixedly installed on both left and right sides of the top of the middle-level blocking door; The left side of the installation frame is provided with a fixing groove which is concave inwards, and the fixing groove can be plugged and connected to the left side of the outer layer baffle door.

2. The fixing device for the protective door of a cage for passengers in a mine according to claim 1 is characterized in that: The width of the stopper is the same as the thickness of the middle-layer stopper door.

3. The fixing device for the protective door of a cage for passengers in a mine according to claim 1 is characterized in that: The push block is arranged between the stop blocks on the left and right sides, and is used for contacting and pushing the stop blocks when the outer stop door moves.

4. The fixing device for the protective door of a cage for passengers in a mine according to claim 1 is characterized in that: The fixing groove can intermittently cooperate with the left side of the outer layer baffle door to limit and fix the outer layer baffle door.

5. The fixing device for the protective door of a cage for passengers in a mine according to claim 1 is characterized in that: The upper opening of the outer layer baffle door is provided with a strip window.