CN111697518A

CN111697518A - Anti-fracture mine cable hook

Info

Publication number: CN111697518A
Application number: CN202010405588.4A
Authority: CN
Inventors: 杨志荣
Original assignee: Individual
Current assignee: Chongyi Xincheng Mining Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-09-22
Anticipated expiration: 2040-05-14
Also published as: CN111697518B

Abstract

The invention relates to the technical field of equipment for coal mine tunnels, and discloses an anti-fracture mine cable hook which comprises a straight rod section, wherein an extension hook is arranged on the right side of the straight rod section, a flexible sheet is movably mounted at the bottom of the inner side of the extension hook, a crosspiece is arranged right above the flexible sheet, a rotating shaft is fixedly mounted on the right side of the crosspiece, a traction plate is welded at the bottom of the rotating shaft, a moving pin is movably mounted inside the top end of the extension hook, and sliding pins are arranged at two ends of the moving pin. This prevent cracked mine cable couple through being provided with the traction plate and can carrying out the motion round pin of displacement from top to bottom, when placing the cable on the extension hook, forms a whole after traction plate and motion round pin are fixed, when lifting to the cable, the straight pole section and the even atress of extension hook end of this cable couple to guarantee that the straight pole end of cable couple and arc hook intersection are not in concentrated stress point, improved the life of this cable couple.

Description

Anti-fracture mine cable hook

Technical Field

The invention relates to the technical field of equipment for coal mine tunnels, in particular to a mine cable hook capable of preventing breakage.

Background

The cable hook is a device for hanging and fixing the cable, and has the function of fixing the cable on a wall, so that the cable is placed neatly, and the use safety and convenience of the cable are guaranteed.

Referring to fig. 1, the conventional cable hook structure includes a straight rod section 1, a hanging hole 2 is formed at the top of the straight rod section 1, a safety catch 3 is arranged at the top end of the straight rod section 1, an arc hook 4 is arranged at the bottom of the straight rod section 1, a cable 5 is arranged inside the arc hook 4, reflective marks 6 are coated on the front and back of the arc hook 4, a hanging rod 7 is arranged on the left side of the arc hook 4, a groove 8 is formed right above the hanging rod 7, and a standby hole 9 is formed on the right side of the arc hook 4, which is located on the hanging rod 7. When the cable is fixed, the hanging hole 2 of the cable hook is firstly fixed on the hanging rod 7 of the last cable hook, so that the straight rod section 1 is tightly attached to the side wall of a coal mine, and then the cable 5 is placed on the arc-shaped hook 4.

The problems in the process of placing the cable 5 on the curved hook 4 are: because the stress point of the arc hook 4 is concentrated at the bottom end of the straight rod section 1, the intersection of the arc hook 4 and the straight rod section 1 belongs to a vulnerable part, if the worker does not construct according to the operation specification, the intersection of the arc hook 4 and the straight rod section 1 is easily broken, and the waste of the cable hook equipment is caused.

Disclosure of Invention

The invention provides a fracture-preventing mine cable hook which has the advantages that the quick-release cable hook is stressed comprehensively to prevent fracture, and the flexible sheet deforms and cushions to improve the toughness of the cable hook, so that the problems in the background art are solved.

The invention provides the following technical scheme: the utility model provides a prevent cracked mine cable hook, includes the straight-bar section, the right side of straight-bar section is equipped with the extension hook, the inboard bottom movable mounting of extension hook has flexible piece, be equipped with the crosspiece directly over the flexible piece, the right side fixed mounting of crosspiece has the pivot, the bottom welding of pivot has the traction plate, the inside movable mounting on extension hook top has the motion round pin, the both ends of motion round pin are equipped with the slide pin, the motion round pin passes through slide pin movable mounting inside the extension hook, reset spring is installed to the symmetry on the slide pin of motion round pin both sides, the steel wire is installed to the symmetry on the slide pin of motion round pin both sides, extension hook inboard bottom is located near the flexible piece and has been seted up the deformation chamber, the bottom fixed mounting in deformation chamber has solid fixed ring, the spacing groove has been seted up on the central line of flexible piece bottom.

Preferably, the flexible sheet is made of spring steel, the initial height of the flexible sheet is 0.5cm higher than the bottom surface of the deformation cavity, and two ends of the flexible sheet are inserted into the deformation cavity.

Preferably, the traction plate is made of steel, a rust-proof layer is coated on the outer portion of the traction plate, and the width of the traction plate is consistent with the length of the moving pin.

Preferably, the steel wire does not contact with the both sides of motion round pin when the atress, and the steel wire runs through the solid fixed ring fixed connection of the spacing inslot portion and the flexible piece bottom of flexible piece bottom.

The invention has the following beneficial effects:

1. this prevent cracked mine cable couple through being provided with the traction plate and can carrying out the motion round pin of displacement from top to bottom, when placing the cable on the extension hook, forms a whole after traction plate and motion round pin are fixed, when lifting to the cable, the straight pole section and the even atress of extension hook end of this cable couple to guarantee that the straight pole end of cable couple and arc hook intersection do not regard as single stress point, improved the life of this cable couple.

2. According to the anti-fracture mine cable hook, the deformable and telescopic flexible sheet is arranged at the bottom of the inner side of the extension hook, so that when a cable is placed on the extension hook, on one hand, the cable can be cushioned through the telescopic characteristic of the flexible sheet, and the situation that the cable is fractured due to impact force generated by self weight and falling inertia on the cable hook when the cable is placed is avoided; on the other hand, the flexible sheet sinks due to the dead weight of the cable, and the bottom of the flexible sheet is connected with the moving pin through the steel wire, so that the moving pin is driven to sink through the sinking action of the flexible sheet to clamp the hook-shaped area at the bottom end of the traction plate, the moving pin and the traction plate form a whole, and the matching degree of the moving pin and the traction plate is further improved.

Drawings

FIG. 1 is a schematic view of a conventional cable hook structure;

FIG. 2 is a schematic view of a cable hook structure according to the present invention;

FIG. 3 is a schematic semi-sectional view of a cable hook structure according to the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 3;

FIG. 5 is an enlarged view of the structure B in FIG. 3;

FIG. 6 is a schematic view of a flexible sheet according to the present invention;

fig. 7 is a schematic view of the kinematic pin of the present invention.

In the figure: 1. a straight pole section; 2. hanging holes; 3. a safety buckle; 4. an arc-shaped hook; 5. a cable; 6. reflecting marks; 7. a hanging rod; 8. a groove; 9. a spare hole; 10. a lengthening hook; 11. a flexible sheet; 12. a crosspiece; 13. a rotating shaft; 14. a traction plate; 15. a kinematic pin; 16. a slide pin; 17. a return spring; 18. a steel wire; 19. a deformable cavity; 20. a fixing ring; 21. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 2-7, a breakage-proof mining cable hook comprises a straight rod section 1, an extension hook 10 is arranged on the right side of the straight rod section 1, a flexible sheet 11 is movably mounted at the bottom of the inner side of the extension hook 10, a crosspiece 12 is arranged right above the flexible sheet 11, a rotating shaft 13 is fixedly mounted on the right side of the crosspiece 12, a traction plate 14 is welded at the bottom of the rotating shaft 13, a moving pin 15 is movably mounted inside the top end of the extension hook 10, the moving pin 15 has magnetism, the traction plate 14 is made of steel, an anti-rust layer is coated outside the traction plate 14, the width of the traction plate 14 is consistent with the length of the moving pin 15, sliding pins 16 are arranged at two ends of the moving pin 15, the moving pin 15 is movably mounted inside the extension hook 10 through the sliding pins 16, return springs 17 are symmetrically mounted on the sliding pins 16 at two sides of the moving pin 15, steel wires 18 are symmetrically mounted on the sliding pins 16 at two sides of the, the bottom end of the inner side of the extension hook 10 is positioned near the flexible sheet 11 and is provided with a deformation cavity 19, the bottom of the deformation cavity 19 is fixedly provided with a fixing ring 20, the center line of the bottom of the flexible sheet 11 is provided with a limiting groove 21, and the traction plate 14 made of steel is arranged, so that the traction plate 14 is hard in texture and more stable and firm in traction work, and in addition, because the inner part of a coal mine tunnel is wet, after the traction plate 14 is coated with an anti-rust layer, the structure can be inhibited from rusting, the service life is prolonged, in addition, the width of the traction plate 14 is consistent with the length of the motion pin 15, the contact area of the traction plate 14 with the motion pin 15 is ensured to be larger, and the contact stability is improved; through the arrangement that the traction plate 14 is in stable contact with the moving pin 15, the traditional single-point stress is redesigned to be comprehensive stress, the overall bearing capacity of the cable hook is guaranteed, and the service life of the cable hook is prolonged.

The flexible sheet 11 is made of spring steel, the initial height of the flexible sheet 11 is 0.5cm higher than the bottom surface of the deformation cavity 19, and two ends of the flexible sheet 11 are inserted into the deformation cavity 19 for limiting to prevent the flexible sheet 11 from being separated after deformation; the steel wire 18 is not contacted with two sides of the moving pin 15 when stressed, the steel wire 18 penetrates through the inside of a limiting groove 21 at the bottom of the flexible sheet 11 and is fixedly connected with a fixing ring 20 at the bottom end of the flexible sheet 11, the flexible sheet 11 is made of spring steel, the spring steel has very good toughness, the cable cannot be permanently deformed after being placed on the structure of the flexible sheet 11 for a long time, in addition, the initial height of the flexible sheet 11 is 0.5cm higher than the bottom surface of the deformation cavity 19, the dead weight and inertia of the cable during placement can be offset by a buffering distance of 0.5cm, and the situation that the cable is broken due to huge impact force generated on the extension hook 10 in the cable placement process is ensured; through the arrangement that the steel wire 18 is not in contact with the two sides of the moving pin 15 when stressed, the moving pin 15 can be ensured not to be in contact with the steel wire 18 in the up-and-down moving process, and the steel wire 18 is ensured not to be broken under stress.

Theory of operation, when this cable hook uses, fix cable hook on last cable hook's peg 7 through hanging hole 2, when carrying out cable installation, at first place the cable inside extension hook 10, make the towing plate 14 draw close to motion round pin 15 through the magnetic attraction of motion round pin 15 this moment, act on flexbile plate 11 as the cable dead weight afterwards, make flexbile plate 11 deformation bottom sink, just, it sinks to drive the steel wire 18 linkage, make the 15 whereabouts of motion round pin card fixed at the hook-like position of towing plate 14, guarantee comprehensive atress, when needing to dismantle the cable, only need mention the dead weight that the cable unloaded on flexbile plate 11 and can make the motion round pin 15 receive reset spring 17 pulling force to rise and break away from with the towing plate 14, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining cable hook of preventing fracture, includes straight pole section (1), its characterized in that: the right side of straight-bar section (1) is equipped with extension hook (10), the inboard bottom movable mounting of extension hook (10) has flexible piece (11), be equipped with crosspiece (12) directly over flexible piece (11), the right side fixed mounting of crosspiece (12) has pivot (13), the bottom welding of pivot (13) has towing plate (14), the inside movable mounting on extension hook (10) top has motion round pin (15), the both ends of motion round pin (15) are equipped with slide pin (16), motion round pin (15) through slide pin (16) movable mounting in extension hook (10) inside, reset spring (17) are installed to the symmetry on slide pin (16) of motion round pin (15) both sides, steel wire (18) are installed to the symmetry on slide pin (16) of motion round pin (15) both sides, deformation chamber (19) have been seted up to extension hook (10) inboard bottom near being located flexible piece (11), the bottom of the deformation cavity (19) is fixedly provided with a fixing ring (20), and the center line of the bottom of the flexible sheet (11) is provided with a limit groove (21).

2. The mining cable hook capable of preventing breakage according to claim 1, characterized in that: the flexible sheet (11) is made of spring steel, the initial height of the flexible sheet (11) is 0.5cm higher than the bottom surface of the deformation cavity (19), and two ends of the flexible sheet (11) are inserted into the deformation cavity (19).

3. The mining cable hook capable of preventing breakage according to claim 1, characterized in that: the traction plate (14) is made of steel, a rust-proof layer is coated on the outer portion of the traction plate (14), and the width of the traction plate (14) is consistent with the length of the moving pin (15).

4. The mining cable hook capable of preventing breakage according to claim 1, characterized in that: the steel wire (18) is not contacted with the two sides of the moving pin (15) when stressed, and the steel wire (18) penetrates through the inside of a limiting groove (21) at the bottom of the flexible sheet (11) and is fixedly connected with a fixing ring (20) at the bottom end of the flexible sheet (11).