CN217950249U

CN217950249U - Shaft cat ladder safety device

Info

Publication number: CN217950249U
Application number: CN202220955966.0U
Authority: CN
Inventors: 龚超
Original assignee: Hubei Sanxin Gold Copper Ltd
Current assignee: Hubei Sanxin Gold Copper Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-12-02
Anticipated expiration: 2032-04-24

Abstract

The utility model belongs to mine safety protection field for the mine, the utility model discloses a shaft cat ladder safety device sets up in two stand surfaces of cat ladder, and is located the top and the bottom of two stands respectively, including the slip main part, the groove of sliding has been seted up to one side of slip main part, and the first mounting groove has all been seted up near top and bottom department respectively to the left and right sides of the groove inner wall of sliding, the utility model discloses a set up instantaneous tension sensor cooperation locking mechanism's structure setting, detect increase pulling force in the twinkling of an eye and give the controller with the signal transmission through instantaneous tension sensor to through controller control locking mechanism locking post, make this protector stop, and through safety rope and user's fixed connection, thereby prevent that the user from continuing to weigh down, this device reaction is sensitive, and structure safe and reliable, saves passerby personnel's personal safety at the crisis head, reduces the emergence probability of accident.

Description

Shaft cat ladder safety device

Technical Field

The utility model relates to a mine safety protection field for the mine particularly, relates to a shaft cat ladder safety device.

Background

When the underground operation personnel go up and down the mine shaft, most of the underground operation personnel still climb to an operation place by depending on the physical ability of the human body, and the underground operation personnel generally exist in most of the underground operation processes of mines in China.

In the climbing mode, corresponding protection measures are lacked to protect pedestrians in the process of actually going up and down the vertical shaft, when an accident situation occurs in the process of going up and down the vertical shaft, the pedestrians can only firmly grasp the climbing frame by both hands to climb up and down, or the protection ropes on the body are repeatedly connected with the climbing frame and detached, so that the operation is very inconvenient, the efficiency is low, safety holes exist, substantial whole-course safety protection cannot be provided for the pedestrians, and therefore, a vertical shaft ladder safety protection device needs to be provided to solve the problem, and the personal safety of the pedestrians is protected from being damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a realize like this:

the utility model provides a shaft cat ladder safety device, sets up in two stand surfaces of cat ladder, and is located two respectively the top and the bottom of stand, includes the slip main part, the sliding groove has been seted up to one side of slip main part, the left and right sides of sliding groove inner wall just is close to top and bottom department respectively and has all seted up first mounting groove, the left and right sides of sliding groove inner wall just is close to middle part department respectively and has all seted up the second mounting groove, the inside fixed mounting of second mounting groove has driving motor, driving motor's output fixed mounting has the wheel that rolls, the surface of wheel that rolls is provided with anti-skidding cushion, two the wheel that rolls passes through anti-skidding cushion centre gripping the stand, the left side fixedly connected with safety rope of the outer wall of slip main part, safety rope is provided with instantaneous tension sensor, the outer wall of slip main part is kept away from one side of cat ladder vertical center line is provided with the controller, first inside is provided with locking device, four locking device is used for pressing from both sides tightly the stand jointly, thereby makes the slip main part be fixed in the stand surface, the slip main part passes through two driving motor drives two the wheel rotates thereby slides in the stand surface.

The utility model discloses an in an embodiment, locking device is including the locking motor, locking motor fixed mounting in inside the first mounting groove, the output fixedly connected with lead screw of locking motor, the outside threaded connection of lead screw has the internal thread top section of thick bamboo, the top and the bottom of internal thread top section of thick bamboo outer wall all are provided with the stopper, the spacing groove has all been seted up to inside top and the bottom of first mounting groove, stopper sliding connection in inside the spacing groove, the internal thread top section of thick bamboo is kept away from the one end of locking motor is provided with the slipmat, the slipmat hug closely in the stand surface.

The utility model discloses an in one embodiment, the top and the bottom of slip main part are provided with first proximity switch and second proximity switch respectively, the battery compartment has been seted up at the middle part on slip main part right side, be provided with portable power source in the battery compartment, the battery compartment buckle is connected with the cabin cover.

The utility model discloses an in an embodiment, driving motor the locking motor instantaneous tension sensor first proximity switch the second proximity switch with portable power source pass through the electric wire with controller electric connection, the controller is the PLC controller, and is provided with starting switch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up instantaneous force sensor cooperation locking mechanism's structure setting, detect increase pulling force in the twinkling of an eye and give the controller with the signal transmission through instantaneous force sensor to through controller control locking mechanism locking stand, make this protector stop, and through safety rope and user's fixed connection, thereby prevent the user to continue to descend, this device reaction is sensitive, structure safe and reliable, the personal safety of rescuing the passerby at the crisis head, reduce accident's emergence probability.

2. The utility model discloses a set up the wheel that rolls, and drive the wheel rotation that rolls through controller control driving motor, thereby realize this protector from top to bottom on the stand, thereby realize this device and user's function of following under normal condition, thereby make the user need not spend time to dress protective equipment and bear a burden from top to bottom, thereby reduce user's load, make safe and reliable more of cat ladder from top to bottom, and upper end and the lower extreme through the stand in the cat ladder both sides set up this device respectively, use from top to bottom through the circulation, the user can not appear not having the usable condition of protective equipment, safety and high efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a front view of the sliding body of the present invention;

fig. 4 is a schematic diagram of the control structure of the present invention.

Description of reference numerals: 1. a column; 2. a sliding body; 201. a sliding groove; 202. a first mounting groove; 203. a limiting groove; 204. a second mounting groove; 205. a battery compartment; 3. a first proximity switch; 4. a drive motor; 5. a rolling wheel; 6. a mobile power supply; 7. a safety cord; 8. an instantaneous tension sensor; 9. a second proximity switch; 10. a controller; 11. an internal thread top cylinder; 12. a screw rod; 13. locking the motor; 14. a limiting block; 15. a non-slip mat.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

Referring to fig. 1-4, the utility model provides a shaft cat ladder safety device, set up in two stand 1 surfaces of cat ladder, and be located the top and the bottom of two stand 1 respectively, including sliding main part 2, sliding groove 201 has been seted up to one side of sliding main part 2, sliding groove 201 inner wall's the left and right sides and be close to top and bottom department respectively and all seted up first mounting groove 202, sliding groove 201 inner wall's the left and right sides and be close to middle part department respectively and all seted up second mounting groove 204, the inside fixed mounting of second mounting groove 204 has driving motor 4, driving motor 4's output fixed mounting has rolling wheel 5, rolling wheel 5's surface is provided with anti-skidding cushion, two rolling wheel 5 are through anti-skidding cushion centre gripping stand 1, the left side fixedly connected with safety rope 7 of sliding main part 2's outer wall, safety rope 7 is provided with instantaneous tension sensor 8, thereby one side that sliding main part 2's outer wall kept away from cat ladder perpendicular central line is provided with controller 10, the inside locking device that is provided with of first mounting groove 202, four locking devices are used for pressing from both sides tight stand 1 jointly, thereby make sliding main part 2 be fixed in stand 1 surface, thereby it rotates stand 1 surface to make sliding main part 2 be fixed in stand 1 surface through two driving motor 4 driving wheel 5.

The utility model discloses an in one embodiment, it is further, locking device is including locking motor 13, locking motor 13 fixed mounting is inside first mounting groove 202, locking motor 13's output end fixedly connected with lead screw 12, the outside threaded connection of lead screw 12 has internal thread top section of thick bamboo 11, the top and the bottom of the 11 outer walls of internal thread top section of thick bamboo all are provided with stopper 14, spacing groove 203 has all been seted up to the inside top and the bottom of first mounting groove 202, stopper 14 sliding connection is inside spacing groove 203, the one end that locking motor 13 was kept away from to internal thread top section of thick bamboo 11 is provided with slipmat 15, slipmat 15 hugs closely in stand 1 surface.

Specifically, as shown in fig. 1-3, after a user is connected with a safety rope 7, the controller 10 is pressed to start a switch, the driving motor 4 is controlled by the controller 10 to drive the rolling wheels 5 to rotate, so that the rolling wheels 5 arranged oppositely rotate in opposite directions, and rolling friction is generated between the anti-skid rubber pads arranged on the surfaces of the rolling wheels 5 and the stand column 1, so that the sliding main body 2 is driven to slide up and down on the surface of the stand column 1, so as to match with crawling follow-up of the user, the user does not need to wear a protective device to climb with heavy load, the use burden is reduced, when the user climbs to the top and the bottom of the ladder stand column, the protective device is also followed, and is respectively contacted with or inducted by the limiting structures at the top or the bottom of the ladder column through the first proximity switch 3 or the second proximity switch 9, so as to transmit signals to the controller 10, so that the driving motor 4 is controlled by the controller 10 to stop working, and the protective device is hovered through the friction force between the anti-skid rubber pads and the stand column 1, the protective device waits for next use, both sides needing attention, the two sides are respectively arranged, and the first proximity switch is sequentially arranged, and the first proximity switch and the second proximity switch is used to judge that the user is a person who uses the first proximity switch to rotate or the second proximity switch to be a reciprocating switch to ensure that the safety switch to rotate;

when a user accidentally steps on the ground and falls off from the ladder stand, huge pulling force caused by falling of the user to the safety rope 7 is detected by the instantaneous pulling force sensor 8 and sends a signal to the controller 10, the controller 10 is started by controlling the four groups of locking motors 13, so that each lead screw 12 is driven to rotate, the internal thread ejector sleeve 11 is in threaded connection with the lead screw 12, and the limiting block 14 arranged on the surface of the internal thread ejector sleeve 11 is in sliding connection with the inside of the limiting groove 203, so that the internal thread ejector sleeve 11 is limited to rotate and is displaced, and the internal thread ejector sleeve 11 moves towards the upright post 1 until each anti-skid pad 15 tightly props against the upright post 1, so that the sliding main body 2 locks the upright post 1, so that the user is pulled by the safety rope 7, the user is prevented from continuously falling, the personal safety of the user is protected, after the user recovers a normal climbing posture, the locking device resets, and the protective device recovers a normal sliding state and continues to climb until the destination is reached.

The utility model discloses an in an embodiment, it is further, the top and the bottom of slip main part 2 are provided with first proximity switch 3 and second proximity switch 9 respectively, battery compartment 205 has been seted up at the middle part on slip main part 2 right side, be provided with portable power source 6 in the battery compartment 205, battery compartment 205 buckle is connected with the cabin cover, through with first proximity switch 3 and second proximity switch 9 and controller 10 electric connection, when this protection device slides to top or bottom and contact or sense the barrier about the stand 1 surface of cat ladder, set up controller 10 with signal transmission through first proximity switch 3 or second proximity switch 9, control driving motor 4 through controller 10 stop work, thereby make this protection device stop sliding, and through the non-skid rubber pad centre gripping stand 1 of two rolling wheels 5, thereby realize hovering, wait for next use.

The utility model discloses an in an embodiment, it is further, driving motor 4, locking motor 13, instantaneous tension sensor 8, first proximity switch 3, second proximity switch 9 and portable power source 6 pass through electric wire and 10 electric connection of controller, and controller 10 is PLC controller 10, and is provided with starting switch, presses starting switch through the user and realizes this protector's start-up operation, automatic shutdown when this protector is close to the barrier soon, and the reaction is sensitive convenient, safe and reliable.

This shaft cat ladder safety device's theory of operation: firstly, a safety rope 7 is firmly connected with a user, then the user presses a starting switch arranged on a controller 10, so that the controller 10 controls a driving motor 4 to enable the protection device to drive the user on a following ladder stand to move up or down through a rolling wheel 5, and when the user moves up or down to a destination, the protection device induces an obstacle through a first proximity switch 3 or a second proximity switch 9 arranged at the top or the bottom of the protection device, so that the protection device can hover;

when the user steps on and slips or falls accidentally, the huge pulling force that produces through the accident makes instantaneous force transducer 8 send signals for controller 10, controls four groups of locking device locking stand 1 of cat ladder through controller 10 to it is fixed with this protector and stand 1 locking, thereby prevents the user through safety rope 7 and falls, thereby protects user's personal safety.

It should be noted that the model specifications of the driving motor 4, the locking motor 13, the instantaneous tension sensor 8, the first proximity switch 3, the second proximity switch 9, the mobile power supply 6 and the controller 10 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore detailed description is omitted.

The power supply of the driving motor 4, the locking motor 13, the momentary tension sensor 8, the first proximity switch 3, the second proximity switch 9, the mobile power source 6 and the controller 10 and their principles are clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The safety protection device for the vertical shaft crawling ladder is characterized by comprising a sliding main body (2), wherein a sliding groove (201) is formed in one side of the sliding main body (2), first mounting grooves (202) are formed in the left side and the right side of the inner wall of the sliding groove (201) and are respectively close to the top and the bottom of the sliding main body, second mounting grooves (204) are formed in the left side and the right side of the inner wall of the sliding groove (201) and are respectively close to the middle of the sliding main body, a driving motor (4) is fixedly mounted inside the second mounting grooves (204), rolling wheels (5) are fixedly mounted at the output end of the driving motor (4), anti-skid rubber mats are arranged on the surface of the rolling wheels (5), the two rolling wheels (5) clamp the vertical column (1) through the anti-skid rubber mats, safety ropes (7) are fixedly connected to the left side of the outer wall of the sliding main body (2), instant tension sensors (8) are arranged on one side, far away from a vertical center line, a first controller (10) is arranged on one side of the outer wall of the sliding main body (2), and is used for locking the four vertical shaft crawling ladder (1) and locking device (1) together, the sliding main body (2) drives the two rolling wheels (5) to rotate through the two driving motors (4) so as to slide on the surface of the upright post (1).

2. The safety protection device for the vertical shaft ladder stand according to claim 1, wherein the locking device comprises a locking motor (13), the locking motor (13) is fixedly installed inside the first installation groove (202), an output end of the locking motor (13) is fixedly connected with a lead screw (12), an internal thread top cylinder (11) is in threaded connection with the outside of the lead screw (12), limiting blocks (14) are arranged at the top and the bottom of the outer wall of the internal thread top cylinder (11), limiting grooves (203) are formed in the top and the bottom of the inside of the first installation groove (202), the limiting blocks (14) are in sliding connection with the inside of the limiting grooves (203), an anti-skid pad (15) is arranged at one end, far away from the locking motor (13), of the internal thread top cylinder (11), and the anti-skid pad (15) is tightly attached to the surface of the stand column (1).

3. The safety protection device for the vertical shaft ladder stand is characterized in that a first proximity switch (3) and a second proximity switch (9) are respectively arranged at the top and the bottom of the sliding main body (2), a battery compartment (205) is formed in the middle of the right side of the sliding main body (2), a mobile power supply (6) is arranged in the battery compartment (205), and a compartment cover is connected to the battery compartment (205) in a buckling mode.

4. A shaft ladder safety protection device as claimed in claim 3, characterized in that the driving motor (4), the locking motor (13), the instantaneous tension sensor (8), the first proximity switch (3), the second proximity switch (9) and the mobile power supply (6) are electrically connected with the controller (10) through wires, and the controller (10) is a PLC controller (10) and is provided with a start switch.