Vehicle locking device for mine cage

The locking device driven by springs and bidirectional torsion springs solves the problems of low efficiency and high maintenance costs of hydraulic cylinders, enabling rapid locking and unlocking of trolleys inside mine cages, reducing operational complexity and maintenance costs.

CN223906335UActive Publication Date: 2026-02-13XUZHOU ZHONGTAI COAL MINE SAFETY EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520727577.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-02-13
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Existing mine cage locking devices rely on hydraulic cylinders, which are inefficient, have high energy loss, high maintenance costs, and high sealing requirements.

Method used

The locking device, driven by springs and bidirectional torsion springs, allows for quick locking and unlocking of the mining trolley by stepping on the pedal. The combination of springs and bidirectional torsion springs enables the positioning rod to automatically reset and be fixed.

Benefits of technology

It enables quick locking and unlocking of mining trolleys, reducing operational complexity and maintenance costs, and improving efficiency and economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a car locking device for a mine cage in the technical field of mining equipment, which comprises a cage bottom, a track, car wheels and a shaft, a baffle plate is arranged at the right end of the top of the track, a support column is arranged on the cage bottom, a mounting shaft is arranged on the upper part of the support column, a turntable is arranged on the mounting shaft, and the turntable is connected with the car wheels. A positioning rod is arranged below the turntable, a first fixing rod is arranged at the bottom of the positioning rod, a bidirectional torsional spring is arranged on the right side of the turntable, a first rotating rod and a second rotating rod are arranged on the upper part of the turntable, an arc-shaped plate is arranged on the turntable, a first connecting rod is arranged on the right side of the positioning rod, and a push rod is connected to the right end of the first connecting rod; according to the device, locking fixing or loosening fixing of the mining trolley is completed by treading the pedal, operation is easy, cost is low, economic benefits are high, resetting of the positioning column is completed through the two-way torsional spring, and fixing or loosening fixing of the mining trolley is further accelerated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mining equipment technical field, concretely is a locking device for mine cage. BACKGROUND

[0002] The mine cage is used for transporting personnel, equipment and ore in mining, and the locking device is arranged in the mine cage to fix the ore car, so that the ore car can move in the cage, causing safety accidents, such as a mine double-block car stopper (application number: CN202021064574.2) disclosed in Chinese patent document, which can fix and lock the mine car by pushing the movement of the car block through the extension of the hydraulic cylinder, and can only control the car block through the hydraulic cylinder, the hydraulic cylinder is low in efficiency, energy loss is emitted in the form of heat, an additional cooling system is needed, which increases the production cost of the locking device, and the hydraulic cylinder has high sealing requirements, the sealing parts need to be lifted and replaced, which increases the maintenance cost of the locking device.

[0003] Therefore, we propose a locking device for mine cage. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a locking device for mine cage to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a locking device for mine cage, including cage bottom, track, trolley wheel and shaft, the right end of the track top is provided with baffle, the cage bottom is provided with support column, the upper part of support column is provided with mounting shaft, the mounting shaft is provided with rotating disc, the lower part of rotating disc is provided with positioning rod, the bottom of positioning rod is provided with first fixed rod, the right side of rotating disc is provided with bidirectional torsional spring, the upper part of rotating disc is provided with first rotating rod and second rotating rod, the rotating disc is provided with arc plate, the right side of positioning rod is provided with first connecting rod, the right end of first connecting rod is connected with push rod, the right end of push rod is connected with second connecting rod, the right end of second connecting rod is connected with pedal, the spring is arranged between second connecting rod and pedal, the both ends of spring are provided with third connecting rod.

[0006] Further, the first tooth is arranged on the right upper part of the positioning rod, and the second tooth is arranged on the left lower part of the rotating disc.

[0007] Further, the bidirectional torsional spring is fixedly installed on the mounting shaft, and the length of the first rotating rod is greater than that of the second rotating rod.

[0008] Further, the second fixed rod is arranged on the bottom of the pedal, the first pin shaft is arranged on both ends of the pedal, and the pedal is connected with the second fixed rod and the second connecting rod through the pin shafts on both ends respectively.

[0009] Further, the push rod is provided with a second pin shaft at both ends, and the push rod is connected with the second connecting rod and the first connecting rod through the second pin shaft at both ends respectively.

[0010] Further, the push rod is provided with a guide plate, and the push rod is movably connected with the guide plate.

[0011] Further, the first fixed rod is provided with two groups, and the positioning rod is installed at the bottom end of the two groups of positioning rods through a pin shaft.

[0012] Further, the spring is connected with the second connecting rod and the pedal through a third connecting rod at both ends.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the spring pulls the second connecting rod and the pedal, the spring pulls the second connecting rod, the second connecting rod pulls the first connecting rod through the push rod, the first connecting rod pulls the positioning rod to rotate, the first tooth arranged on the positioning rod is clamped with the second tooth arranged on the arc-shaped plate, the rotating disc is fixed, the positioning column fixes the shaft of the mine car, the mine car is quickly locked, the pedal is stepped, the positioning rod is separated from the arc-shaped plate, the shaft of the mine car pushes the positioning column during the process that the mine car drives away from the cage, the positioning column rotates through the rotating disc, the bidirectional torsion spring drives the rotating disc to rotate through the second rotating rod, the positioning column is automatically reset, the mine car is quickly driven away from the inside of the cage, the device only needs to complete the locking or releasing of the mine car through the pedal, the operation is simple, the cost is low, the economic benefit is high, the device resets the positioning column through the bidirectional torsion spring, and the locking or releasing of the mine car is further accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a rotating disc installation structural schematic view of the utility model;

[0016] Figure 3 It is a bidirectional torsion spring installation structural schematic view of the utility model;

[0017] Figure 4 It is a locking mechanism structural schematic view of the utility model;

[0018] Figure 5 It is an enlarged view of A of the utility model;

[0019] Figure 6 It is a pedal and second connecting rod installation structural schematic view of the utility model.

[0020] In the figure: 1, cage bottom; 2, track; 201 baffle, 3, trolley wheels; 4, shaft; 5, support column; 6, turntable; 61, second tooth; 7, positioning rod; 71, first tooth; 8, first fixed rod; 9, mounting shaft; 10, two-way torsion spring; 11, first rotating rod; 12, second rotating rod; 13, positioning column; 14, arc plate; 15, first connecting rod; 16, push rod; 161, guide plate; 17, second connecting rod; 18, pedal; 19, spring; 20, third connecting rod; 21, second fixed rod; 22, first pin shaft; 23, second pin shaft. DETAILED DESCRIPTION

[0021] 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-6The utility model provides a technical scheme: a locking device for mine cage, including cage bottom 1, track 2, trolley wheel 3 and axle 4, the right end of track 2 top is provided with baffle 201, is provided with support column 5 on cage bottom 1, is provided with mounting shaft 9 on support column 5 upper portion, is provided with turntable 6 on mounting shaft 9, is provided with positioning rod 7 below turntable 6, is provided with first fixed link 8 at positioning rod 7 bottom, is provided with bidirectional torsional spring 10 on the right side of turntable 6, is provided with first rotating rod 11 and second rotating rod 12 on the upper portion of turntable 6, is provided with arc plate 14 on turntable 6, is provided with first connecting rod 15 on the right side of positioning rod 7, is connected with push rod 16 on the right end of first connecting rod 15, is connected with second connecting rod 17 on the right end of push rod 16, is connected with pedal 18 on the right end of second connecting rod 17, is provided with spring 19 between second connecting rod 17 and pedal 18, both ends of spring 19 are provided with third connecting rod 20, when the mine trolley drives into cage, presses pedal 18, pedal 18 rotates through first pin shaft 22, pedal 18 pushes second connecting rod 17, pedal 18 and second connecting rod 17 gradually change from inclination to horizontal, second connecting rod 17 pushes first connecting rod 15 through push rod 16, first connecting rod 15 pushes positioning rod 7 to rotate, makes first tooth 71 set up on positioning rod 7 separate from second tooth 61 set up on arc plate 14, unfastens the fixed of arc plate 6, thereby unfastens the fixed of turntable 6, the mine trolley drives into cage through track, the right side of mine trolley will have baffle 201 and be fixed, the axle 4 set up on trolley pushes positioning column 13 to rotate, positioning column 13 drives turntable 6 to rotate, when axle 4 passes through positioning column 13, one end of bidirectional torsional spring 10 pushes first rotating rod 11, first rotating rod 11 drives turntable 6 to reset, because bidirectional torsional spring 10, positioning column 13 is in vertical position, blocks axle 4, preliminarily fixes mine trolley, unfastens pedal 18, spring 19 pulls second connecting rod 17 and pedal 18, spring 19 pulls second connecting rod 17, second connecting rod 17 pulls first connecting rod 15 through push rod 16, first connecting rod 15 pulls positioning rod 7 to rotate, first tooth 71 set up on positioning rod 7 and second tooth 61 set up on arc plate 14 are mutually stuck, the fixed of turntable 6, thereby positioning column 13 fixes the axle 4 of mine trolley, thereby fast locks the mine trolley, when mine trolley drives away from cage, presses pedal 18 again, positioning rod 7 separates from arc plate 13, the axle 4 of mine trolley pushes positioning column 13 during the process of trolley driving away from cage, positioning column 13 rotates through turntable 6, bidirectional torsional spring 10 drives turntable 6 to rotate through pushing second rotating rod 12, makes positioning column 6 reset automatically, the mine trolley is convenient for fast driving away from the inside of cage.

[0023] Reference example: the first tooth 71 is arranged on the right upper part of the positioning rod 7, the second tooth 61 is arranged on the lower left part of the rotating disc 6, the first tooth 71 is clamped between the adjacent second teeth 61 arranged on the arc-shaped plate 14, the arc-shaped plate 14 is fixed, the rotating disc 6 is fixed, the positioning column 13 arranged on the rotating disc 6 positions and fixes the shaft 4, the mine car is locked, and the mine car will not move in the cage lifting process.

[0024] Reference example: the bidirectional torsional spring 10 is fixedly installed on the mounting shaft 9, the length of the first rotating rod 11 is greater than that of the second rotating rod 12, the two ends of the bidirectional torsional spring 10 are in contact with the first rotating rod 11 and the second rotating rod 12, and after the rotating disc 6 rotates, the bidirectional torsional spring 10 resets the rotating disc 6 by pushing the first rotating rod 11 and the second rotating rod 12.

[0025] Reference example: the second fixed rod 21 is arranged at the bottom of the pedal 18, the first pin shaft 22 is arranged at both ends of the pedal 18, the pedal 18 is connected with the second fixed rod 21 and the second connecting rod 17 through the pin shaft at both ends, respectively, the pedal 18 rotates through the first pin shaft 22, the second pin shaft 23 is arranged at both ends of the push rod 16, the push rod 16 is connected with the second connecting rod 17 and the first connecting rod 15 through the second pin shaft 23 at both ends, respectively, and the push rod 16 rotates through the second pin shaft 23.

[0026] Reference example: the guide plate 161 is arranged on the push rod 16, the push rod 16 passes through the guide plate 161 and is movably connected with the guide plate 161, the guide plate 161 guides the movement of the push rod 16, and the push rod 16 moves in the horizontal direction.

[0027] Reference example: the spring 19 is connected with the second connecting rod 17 and the pedal 18 through the third connecting rod 20 at both ends, and is fixedly connected with the second connecting rod 17 and the pedal 18 through the third connecting rod 20 at both ends. The spring 19 pulls the second connecting rod 17 and the pedal 18 through the third connecting rod 20, so that the second connecting rod 17 and the pedal 18 are reset.

[0028] Reference example: the first fixed rod 8 is provided in two groups, and the positioning rod 7 is installed between the two groups of positioning rods 7 through a pin shaft.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A car locking device for mine cages, comprising a cage bottom (1), a track (2), a trolley wheel (3) and a shaft (4), characterized in that: The track (2) top right end is provided with a baffle (201), the cage bottom (1) is provided with a support column (5), the support column (5) upper portion is provided with a mounting shaft (9), the mounting shaft (9) is provided with a rotating disc (6), the rotating disc (6) lower portion is provided with a positioning rod (7), the positioning rod (7) bottom is provided with a first fixed rod (8), the rotating disc (6) right side is provided with a bidirectional torsion spring (10), the rotating disc (6) upper portion is provided with a first rotating rod (11) and a second rotating rod (12), the rotating disc (6) is provided with an arc plate (14), the positioning rod (7) right side is provided with a first connecting rod (15), the first connecting rod (15) right end is connected with a push rod (16), the push rod (16) right end is connected with a second connecting rod (17), the second connecting rod (17) right end is connected with a pedal (18), the second connecting rod (17) and the pedal (18) are provided with a spring (19), the spring (19) both ends are provided with a third connecting rod (20).

2. A car locking device for mine cages according to claim 1, characterized in that: The positioning rod (7) right side upper portion is provided with a first tooth (71), the rotating disc (6) left lower portion is provided with a second tooth (61).

3. The car locking device for mine shaft cages according to claim 1, characterized in that: The bidirectional torsion spring (10) is fixedly installed on the mounting shaft (9), the first rotating rod (11) length is greater than the second rotating rod (12).

4. The car locking device for mine shaft cages according to claim 1, characterized in that: The pedal (18) bottom is provided with a second fixed rod (21), the pedal (18) both ends are provided with a first pin shaft (22), the pedal (18) both ends are connected with the second fixed rod (21) and the second connecting rod (17) through the pin shaft respectively.

5. The car locking device for mine shaft cages according to claim 1, characterized in that: The push rod (16) both ends are provided with a second pin shaft (23), the push rod (16) both ends are connected with the second connecting rod (17) and the first connecting rod (15) through the second pin shaft (23) respectively.

6. A car locking device for mine cages according to claim 1, characterized in that: The push rod (16) is provided with a guide plate (161), the push rod (16) passes through the guide plate (161) and is movably connected with the guide plate (161).

7. The car locking device for mine shaft cages according to claim 1, characterized in that: The spring (19) both ends are connected with the second connecting rod (17) and the pedal (18) through the third connecting rod (20).

8. The car locking device for mine shaft cages according to claim 1, characterized in that: The first fixed rod (8) is provided with two groups, the positioning rod (7) bottom end is installed between the two groups of positioning rods (7) through the pin shaft.

Citation Information

Patent Citations

  • Compound car arrester for mine

    CN212667368U