CN217555515U - Cage falling prevention device - Google Patents

Abstract

The application provides a cage device of preventing weighing down of cage relates to mining protection equipment technical field. The device comprises a support, a supporting claw and a traction mechanism, wherein the support is fixed on a vertical shaft derrick, the support is movably connected with the supporting claw so that the supporting claw is positioned in or out of a cage lifting channel, and the traction mechanism is connected with the supporting claw so that the traction control supporting claw leaves the cage lifting channel. The support is movably connected with the support claw, and the support claw is matched with the traction structure, so that the normal lifting of the cage cannot be influenced; meanwhile, the supporting claw can provide good supporting force for the tank falling, can support the tank falling and prevent the tank falling, can avoid immeasurable life and property loss caused by tank taking personnel, shaft equipment and the like, and is simple in structure, low in manufacturing cost, convenient to install, safe and reliable.

Description

Cage falling prevention device

Technical Field

The application relates to the technical field of mining protection equipment, in particular to a cage falling prevention device for a cage.

Background

The cage is generally used for lifting main and auxiliary wells of a mine, is suitable for large, medium and small mines, is used for lifting personnel, coal, ores, equipment, materials and the like, and is one of important equipment in mine lifting.

The cage anti-falling device is arranged in the overwinding section on the vertical shaft hoisting derrick or the vertical shaft tower. When the cage is overwound and enters the wedge-shaped cage guide, 27238arrives at the overwind stop beam, the lifting steel wire rope is likely to be broken due to the reverse resistance of the overwind stop beam, the lifting steel wire rope is likely to be broken due to the fact that the lifting steel wire rope exceeds the maximum tensile strength of the lifting steel wire rope, the wooden cage guide falling protector installed on the cage cannot be opened due to the fact that the wooden cage guide falling protector is in close contact with the wedge-shaped cage guide, the cage can fall in a free falling body shape depending on self weight and load weight, and immeasurable life and property loss is caused to cage passengers, shaft equipment and the like.

The existing cage anti-falling device is characterized in that two pull rods on a cage catcher are hinged with a pull arm, the pull arm is hinged with a vertical pull rod, when a winch is out of control to drive a lifting steel wire rope to slip from a cage, a tension spring is always in an open state, the pull rod is pulled by the tension spring, a sliding wedge of the catcher cannot be wedged into the catcher, the catcher cannot clamp and brake the steel wire rope and cannot play a role in protection, only when the lifting steel wire rope is broken and the cage is fallen, the main pull rod can be separated from tension control of the lifting steel wire rope and can slide downwards from a fixed cross beam, the pull rod is pulled by the tension spring, the sliding wedge of the catcher is stirred to move upwards, the sliding wedge of the catcher is wedged into the catcher, the steel wire rope is clamped and braked, and the cage can stop sliding downwards to play a role in protection. At present, the rope-carrying can falling accident is frequently happened in mine operation, and a safe and effective rope can falling protector is left.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a cage prevents weighing down canning and puts up, and the support claw can provide fine bearing capacity for weighing down the jar, holds weighing down the jar, prevents weighing down the jar tenesmus, simultaneously, can not influence the normal lift of cage again, can avoid constituting immeasurable life, loss of property to taking a jar personnel, pit shaft equipment etc..

The embodiment of the application is realized as follows:

the embodiment of the application provides a cage anti-falling device, which comprises a support, a supporting claw and a traction mechanism, wherein the support is fixed on a vertical shaft derrick, the support is movably connected with the supporting claw so that the supporting claw is positioned in or out of a cage lifting channel, and the traction mechanism is connected with the supporting claw so that the traction control supporting claw leaves the cage lifting channel. The support and the support claw are movably connected, so that the cage can touch the support claw in the lifting process, the support claw can rotate upwards under the upward force of the cage, and the support claw leaves a cage lifting channel to leave a channel through which the cage passes; when the cage completely passes through the supporting claw, the cage can be restored to a natural state, and the supporting claw is close to the central axis of the mine, so that the cage can be supported by the supporting claw after the broken rope drops; when the cage is placed down, the supporting claw is firstly pulled by the traction mechanism to give way for the passage of the cage, and after the cage is placed down and completely passes through the supporting claw, the supporting claw is restored to a natural state.

In some embodiments of the application, the pulling mechanism comprises a rope having one end connected to the holder jaw and the other end extending to the wellhead to effect pulling of the holder jaw away from the cage lifting passage at the entrance. The supporting claw is pulled by a rope so as to be separated from the cage lifting channel, and the operation is very convenient.

In some embodiments of the present application, the traction mechanism further comprises a sheave block, the rope passing through the sheave block and extending to the wellhead. The rope passes through the pulley block, and is more smooth when dragging the rope.

In some embodiments of the present application, the set of pulleys comprises a fixed pulley and a movable pulley, through which the rope passes in sequence. The fixed pulley and the movable pulley are combined to operate more labor-saving.

In some embodiments of the present application, a protruding block is arranged on the support, the supporting claw is provided with a connecting portion, and the protruding block is connected with the connecting portion through a bearing. The bearing connection does not influence the rotation of the supporting claw, and the rotation is smooth.

In some embodiments of the present application, the supporting claw further includes a supporting arm above the connecting portion and a butting arm below the connecting portion, the connecting portion is located at the middle lower portion of the supporting claw, and the butting arm butts against the support, so that the supporting arm can support the weight-bearing tank. Connecting portion are located the well lower part of support claw for the bearing arm is longer than the butt arm, and the cage that weighs down is lived in the bearing that can be better, and butt arm butt support can provide fine holding power for the bearing arm, makes the bearing arm firm more powerful.

In some embodiments of the present application, the angle between the bearing arm and the abutment arm ranges from 90-120 °. So that the support claw can realize that the bearing arm is automatic to be close to the axis of mine, can make the support claw under natural state, the bearing arm all is the axis that is close to the mine, ensures that the cage can be held by the support claw after the rope breakage tenesmus.

In some embodiments of this application, the support still is equipped with the stopper, and the stopper is located the one side that holds in the palm the claw and be close to the shaft derrick, and the stopper can with the bearing arm butt. When the traction structure upwards pulls the supporting claw, the traction angle also has a certain limit, and the damage of the supporting claw caused by over-traction is avoided.

In some embodiments of the present application, a plurality of holding jaws are disposed along both sides of a shaft derrick cage guide at the same height to form a holding jaw assembly. A plurality of support claws bear the force at the same height at the same time, so that better supporting force can be provided for the drop tank.

In some embodiments of the present application, a plurality of the pawl assemblies are provided along the height of the shaft. A plurality of supporting claw assemblies are arranged along the height direction of the vertical shaft, so that multiple protection can be provided for the drop tank, and the supporting claw assemblies provide supporting force when the drop tank falls at any height.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

the embodiment of the application provides a cage anti-falling device, which comprises a support, a supporting claw and a traction mechanism, wherein the support is fixed on a vertical shaft derrick, the support is movably connected with the supporting claw so that the supporting claw is positioned in or out of a cage lifting channel, and the traction mechanism is connected with the supporting claw so that the traction control supporting claw leaves the cage lifting channel. The support is movably connected with the support claw, and the support claw is matched with the traction structure, so that the normal lifting of the cage cannot be influenced; meanwhile, the supporting claw can provide good supporting force for the tank falling, can support the tank falling and prevent the tank falling, can avoid immeasurable life and property loss caused by tank taking personnel, shaft equipment and the like, and is simple in structure, low in manufacturing cost, convenient to install, safe and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a cage ascending to a cage anti-falling device according to an embodiment of the application;

FIG. 2 is a schematic structural diagram of a cage returned to a natural state by a rear supporting claw of a falling prevention tank according to an embodiment of the application;

FIG. 3 is a schematic structural diagram of a supporting cage of the anti-falling cage device provided by the embodiment of the application.

Icon: 100-cage, 200-support, 210-lug, 300-support claw, 310-support arm, 320-abutting arm, 400-traction mechanism, 410-rope, 420-pulley block, 421-fixed pulley, 422-movable pulley and 500-limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

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 embodiments of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on an orientation or a positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the utility model is used, it is only for convenience of description and simplification of description, but does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, "a plurality" means at least 2.

In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a cage 100 going up to an anti-falling cage device according to an embodiment of the present disclosure; FIG. 2 is a schematic structural view of cage 100 being returned to a natural state by cage-holding hind paws 300 according to an embodiment of the present application; fig. 3 is a schematic structural diagram of a supporting cage 100 of the anti-falling cage device according to the embodiment of the present application.

The embodiment provides a cage anti-falling device, which comprises a support 200, a support claw 300 and a traction mechanism 400, wherein the support 200 is fixed on a vertical shaft derrick, the support 200 is movably connected with the support claw 300 so that the support claw 300 is positioned in or out of a cage lifting channel, and the traction mechanism 400 is connected with the support claw 300 so that the traction control support claw 300 is separated from the cage lifting channel.

In the using process, when the cage 100 is lifted, the cage 100 touches the supporting claw 300, the supporting claw 300 is forced by the cage 100 to rotate upwards, so that the supporting claw 300 leaves a cage lifting channel to make the cage 100 pass through the channel; when the cage 100 completely passes through the supporting claw 300, the cage can be restored to a natural state, and the supporting claw 300 is close to the central axis of the mine, so that the cage 100 can be supported by the supporting claw 300 after the rope is broken and the cage falls down; when the cage 100 is lowered, the supporting claw 300 is firstly pulled by the traction mechanism 400 to make the passage for the cage 100 to pass through, and after the cage 100 is lowered and completely passes through the supporting claw 300, the supporting claw 300 is restored to the natural state.

It should be noted that, in the natural state, the holding claw 300 is kept close to the central axis of the mine.

Example 2

This embodiment provides a cage anti-falling cage device, it is basically the same with the cage anti-falling cage device that embodiment 1 provided, and the two main difference lies in:

in this embodiment, the pulling mechanism 400 includes a cable 410, one end of the cable 410 being connected to the holding jaw 300 and the other end extending to the wellhead to effect pulling of the holding jaw 300 at the entrance away from the central axis of the mine.

In the use, when needs put cage 100 down, pull through rope 410 and hold in the palm claw 300, make the support claw 300 under the natural state originally upwards rotate to make hold in the palm claw 300 and keep away from the axis of mine, give way the passageway that cage 100 passed through, make cage 100 put down smoothly, convenient operation.

Example 3

This embodiment provides a cage anti-falling cage device, it is basically the same with the cage anti-falling cage device that embodiment 2 provided, and the two main difference lies in:

in this embodiment, the traction mechanism 400 further includes a pulley block 420, and the rope 410 passes through the pulley block 420 and extends to the wellhead. The cable 410 passes through the pulley block 420 and is more smooth when the cable 410 is towed.

In other embodiments of the present application, the pulley block 420 comprises a fixed pulley 421 and a movable pulley 422, and the rope 410 passes through the fixed pulley 421 and the movable pulley 422 in sequence. The combination of the fixed pulley 421 and the movable pulley 422 is more labor-saving.

Example 4

This embodiment provides a cage anti-falling cage device, it is basically the same with the cage anti-falling cage device that embodiment 3 provided, and the two main difference lies in:

in this embodiment, the support 200 is provided with a projection 210, the supporting claw 300 is provided with a connecting portion, and the projection 210 and the connecting portion are connected through a bearing.

In the using process, the supporting claw 300 rotates upwards or downwards by taking the bearing as a circle center, so that the supporting claw 300 is far away from or close to the central axis of a mine, the rotation of the supporting claw 300 cannot be influenced by the connection of the bearing, and the supporting claw 300 rotates more smoothly.

Example 5

This embodiment provides a cage anti-falling cage device, it is basically the same with the cage anti-falling cage device that embodiment 4 provided, and the two main difference lies in:

in this embodiment, the supporting claw 300 further includes a supporting arm 310 above the connecting portion and a contact arm 320 below the connecting portion, the connecting portion is located at the middle lower portion of the supporting claw 300, and the contact arm 320 contacts with the support 200, so that the supporting arm 310 can support the weight pot.

Specifically, the angle between the support arm 310 and the abutment arm 320 is in the range of 90-120 °. So that the holding jaw 300 can achieve automatic approaching of the holding arm 310 to the centre axis of the mine. The mass of the supporting arm 310 is greater than that of the abutting arm 320, so that the abutting arm 320 abuts against the support 200 in a natural state of the supporting claw 300, the supporting arm 310 is close to the central axis of a mine, and the cage 100 can be supported by the supporting claw 300 after the rope is broken and falls.

When the cage 100 is used, the cage 100 touches the supporting claws 300 in the ascending process, the supporting claws 300 are forced upwards by the cage 100, and the supporting arms 310 rotate upwards by taking the connecting parts as the circle centers, so that the gaps between the supporting arms 310 are enlarged and larger than the diameter of the cage 100, and the cage 100 can pass through smoothly;

when the cage 100 completely passes through the supporting claw 300, the cage can be restored to a natural state, at the moment, the supporting claw 300 is close to the central axis of a mine, the gap between the supporting arms 310 is reduced and smaller than the diameter of the cage 100, the cage 100 cannot pass through, and the cage 100 can be supported by the supporting arms 310 after the broken rope drops;

when cage 100 needs to be transferred, firstly, supporting claw 300 is pulled through traction mechanism 400, and supporting arm 310 can rotate upwards by taking the connecting part as the circle center, so that the gap between supporting arms 310 is enlarged and larger than the diameter of cage 100, cage 100 can pass through smoothly, and after cage 100 is transferred and completely passes through supporting claw 300, supporting claw 300 is restored to the natural state.

Example 6

This embodiment provides a cage prevents weighing down a jar device, and it prevents weighing down a jar device basically the same with the cage that embodiment 5 provided, and the two main difference lies in:

in this embodiment, the support 200 is further provided with a limiting block 500, the limiting block 500 is located on one side of the supporting claw 300 close to the vertical shaft derrick, and the limiting block 500 abuts against the supporting arm 310, so as to prevent the supporting claw 300 from being excessively pulled upwards. When the traction structure upwards pulls the supporting claw 300, the traction angle also has a certain limit, and the damage of the supporting claw 300 caused by over-traction is avoided.

When the supporting arm 310 abuts against the limiting block 500, the supporting claw 300 can rotate upwards to the maximum.

Example 7

This embodiment provides a cage anti-falling cage device, it is basically the same with the cage anti-falling cage device that embodiment 6 provided, and the two main difference lies in:

in this embodiment, a plurality of holding claws 300 are arranged along both sides of the shaft derrick cage guide at the same height to form a holding claw 300 assembly. The supporting claws 300 are stressed at the same height at the same time, so that better supporting force can be provided for the drop tank.

In other embodiments of the present application, a plurality of the holding claw 300 assemblies are provided in the shaft height direction. Multiple holding jaw 300 assemblies can provide multiple protections to a drop can, with the holding jaw 300 assembly providing a holding force at any height of the drop.

In summary, the embodiments of the present application have at least the following advantages or beneficial effects:

the embodiment of the application provides a cage anti-falling device, which comprises a support 200, a support claw 300 and a traction mechanism 400, wherein the support 200 is fixed on a vertical shaft derrick, the support 200 is movably connected with the support claw 300 so that the support claw 300 is positioned in or out of a cage lifting channel, and the traction mechanism 400 is connected with the support claw 300 so that the traction control support claw 300 is separated from the cage lifting channel. The support 200 is movably connected with the supporting claw 300, and the supporting claw 300 is matched with a traction structure, so that the normal lifting of the cage 100 cannot be influenced; meanwhile, the supporting claw 300 can provide good supporting force for the tank falling, can support the tank falling, prevents the tank falling from falling, can avoid immeasurable life and property loss of personnel taking the tank, shaft equipment and the like, and is simple in structure, low in manufacturing cost, convenient to install, safe and reliable.

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

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The cage falling prevention device is characterized by comprising a support, a supporting claw and a traction mechanism, wherein the support is fixed on a vertical shaft derrick, the support is movably connected with the supporting claw so that the supporting claw is positioned in or out of a cage lifting channel, and the traction mechanism is connected with the supporting claw so that the traction mechanism controls the supporting claw to leave the cage lifting channel.

2. The cage fall arrest device according to claim 1, wherein said traction mechanism includes a cable having one end connected to said support jaw and another end extending to the wellhead.

3. The cage fall arrest cage assembly according to claim 2, wherein the towing mechanism further includes a pulley block, the cable passing through the pulley block and extending to the wellhead.

4. The cage fall arrest cage device according to claim 3, wherein the set of pulleys comprises a fixed pulley and a movable pulley, the rope passing through the fixed pulley and the movable pulley in sequence.

5. The cage anti-falling device according to claim 4, wherein a projection is arranged on the support, the support claw is provided with a connecting part, and the projection is connected with the connecting part through a bearing.

6. The cage fall arrest device according to claim 5, wherein the support jaw further comprises a support arm above the connection and a contact arm below the connection, the contact arm contacting the support to enable the support arm to support a fall cage.

7. The cage fall arrest device according to claim 6, wherein the angle between the support arm and the abutment arm is in the range of 90-120 °.

8. The cage anti-falling device according to claim 7, wherein the support is further provided with a limiting block, the limiting block is positioned on one side of the supporting claw close to the vertical shaft derrick, and the limiting block can be abutted against the supporting arm.

9. The cage fall arrest cage assembly according to claim 8, wherein a plurality of said support claws are provided at the same height along both sides of a shaft derrick cage guide to form a support claw assembly.

10. The cage fall arrest cage assembly according to claim 9, wherein there are a plurality of said pawl assemblies along the height of the shaft.

Images