CN210973680U

CN210973680U - Rope winding preventing mechanism based on electric hoist for underground coal mine

Info

Publication number: CN210973680U
Application number: CN201921326279.7U
Authority: CN
Inventors: 戴林书; 张孟和
Original assignee: HEFEI AEROSPACE HYDRAULIC MACHINERY CO Ltd
Current assignee: HEFEI AEROSPACE HYDRAULIC MACHINERY CO Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-10
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses an anti-rope winding mechanism based on an electric hoist used in the underground of a coal mine, the top end of a hoist speed changer is welded with a connecting plate, the top end of the connecting plate is provided with a driving assembly, one end of the driving assembly is welded and fixed with a motor, one end of the hoist speed changer is slidably connected with two outer covers, the bottom ends of the outer covers are welded and fixed with first fixed plates, the two first fixed plates are connected and fixed with a rope guider through a pin shaft, the outer cover is internally provided with a winding drum, and the outer side of the winding drum is provided with a steel wire rope, the structure of the utility model is scientific and reasonable, the use is safe and convenient, the anti-rope winding mechanism is provided with an outer cover, a screw rod, a nut, a sliding groove and a sliding block, the outer cover is divided into two parts, the outer cover is connected and fixed with, the inner part of the steel wire rope is pressed by moving the outer cover, so that the steel wire rope is prevented from crossing the groove and being wound in an overlapping mode.

Description

Rope winding preventing mechanism based on electric hoist for underground coal mine

Technical Field

The utility model relates to an electric block technical field specifically is a prevent wire winding mechanism based on colliery is electric block for in pit.

Background

The electric hoist is a special hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is used in places such as industrial and mining enterprises, storage, wharfs and the like, has compact structure, and adopts a worm gear transmission device;

however, most of the existing electric hoist steel wire ropes are easy to wind and cross grooves, so that machines are damaged, safety accidents are easy to happen when heavy objects are lifted, most of the rope guides cannot effectively solve the emergency accidents, and people urgently need to solve the problems based on the rope winding prevention mechanism of the electric hoist used in the underground coal mine.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-wiring mechanism based on colliery is electric block for in pit can effectively solve and propose among the above-mentioned background art that winding appears easily in the most current electric block wire rope, the problem of striding the groove, leads to the machine to damage, when lifting by crane the heavy object, causes the problem of incident easily.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-rope winding mechanism based on an electric hoist used in a coal mine underground comprises a hoist speed changer, wherein a connecting plate is welded at the top end of the hoist speed changer, a driving assembly is installed at the top end of the connecting plate, a motor is fixedly welded at one end of the driving assembly, two outer covers are slidably connected at one end of the hoist speed changer, a second fixing plate is fixedly welded at the bottom ends of the two outer covers, a rope guider is fixedly connected with the two second fixing plates through a pin shaft, a winding drum is installed inside the outer covers, a steel wire rope is wound outside the winding drum, one end of the steel wire rope is connected with a lifting hook, a protective shell is installed at the joint of the steel wire rope and the lifting hook, a rotating shaft is connected inside the winding drum, a lifting motor is installed at one end of the rotating shaft, first fixing plates are, two the connecting position department that the dustcoat corresponds calabash derailleur and rises the motor has all seted up the sliding tray, four the equal sliding connection in sliding tray inside has a sliding block, four the sliding block all with two dustcoats both ends welded fastening.

Preferably, the screw rod penetrates through the two first fixing plates.

Preferably, the outer cover slides in the sliding groove through a sliding block, the rope guide moves synchronously with the outer cover through a pin shaft, and the rope guide is formed by compression molding of cast nylon.

Preferably, the winding drum surface is provided with a wire arrangement groove, and a baffle is installed on one side of the winding drum close to the lifting motor.

Preferably, through holes are formed in the positions, corresponding to the steel wire ropes, of the two ends of the protective shell, and rubber protection pads are arranged inside the protective shell.

Preferably, the hoist transmission passes through connecting plate welded fastening with the motor that rises, motor welded fastening is in driving assembly one end, the input of motor and the motor that rises all with external power source's output electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is scientific and reasonable, convenience safe in utilization:

1. be provided with the dustcoat, first fixed plate, the lead screw, the nut, sliding tray and sliding block, the dustcoat divide into two parts, the lead screw passes the first fixed plate of the adjacent installation in two dustcoat tops, the nut is all installed at two first fixed plate both ends, screw fixed dustcoat at the lead screw through the nut, the sliding tray has all been seted up with the motor position department of raising to two dustcoats correspondence connection calabash derailleur, two dustcoat both ends welded sliding plates pass through sliding connection in the sliding tray, press the rope to inside through removing the dustcoat, prevent that wire rope from striding the groove, overlap the winding.

2. Set up rope guide, round pin axle and second fixed plate, the rope guide passes through the round pin hub connection to be fixed at the second fixed plate, and the second fixed plate welds in the dustcoat, and because of the dismantlement convenience of round pin axle to this the dismantlement of rope guide, the rope guide can restrict wire rope's winding, guarantees to go out the rope smoothly.

3. Be provided with wire rope, lifting hook and protective housing, wire rope corresponds the junction with the lifting hook and installs the protective housing, and the protective housing both ends correspond wire rope position department and have all seted up the through-hole, and protective housing internally mounted has the rubber protection pad simultaneously, reduces wire rope's wearing and tearing, increase of service life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the hook of the present invention;

FIG. 3 is a schematic view of the structure of the area B in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the area A of FIG. 1 according to the present invention;

reference numbers in the figures: 1. a hoist transmission; 2. a connecting plate; 3. a travelling crane assembly; 4. a motor; 5. a housing; 6. a reel; 7. a wire rope; 8. a rope guide; 9. a pin shaft; 10. a rotating shaft; 11. a first fixing plate; 12. a screw shaft; 13. a nut; 14. raising the motor; 15. a hook; 16. A sliding groove; 17. a slider; 18. a protective shell; 19. a baffle plate; 20. and a second fixing plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a rope winding preventing mechanism based on an electric hoist for a coal mine underground, which comprises a hoist speed changer 1, wherein a connecting plate 2 is welded at the top end of the hoist speed changer 1, a traveling assembly 3 is installed at the top end of the connecting plate 2, a motor 4 is welded and fixed at one end of the traveling assembly 3, the hoist speed changer 1 and a lifting motor 14 are welded and fixed through the connecting plate 2, the motor 4 is welded and fixed at one end of the traveling assembly 3, the input ends of the motor 4 and the lifting motor 14 are both electrically connected with the output end of an external power supply, two outer covers 5 are slidably connected at one end of the hoist speed changer 1, second fixing plates 20 are welded and fixed at the bottom ends of the two outer covers 5, a rope guide 8 is connected and fixed through a pin shaft 9, the rope guide 8 synchronously moves along with the outer covers 5 through the pin shaft 9, the dismounting, meanwhile, the rope guider 8 is formed by compression molding of cast nylon, has the characteristics of toughness and wear resistance, can bear certain tensile force, and can also reduce the wear to the steel wire rope 7, the winding drum 6 is arranged in the outer cover 5, the winding drum 6 is internally connected with the rotating shaft 10, the surface of the winding drum 6 is provided with a wire arrangement groove, the steel wire rope 7 is more convenient to wind on the winding drum 6, meanwhile, in order to prevent the steel wire rope 7 from winding on the rotating shaft 10, one side of the winding drum 6 close to the lifting motor 14 is provided with a baffle 19, the outer side of the winding drum 6 is provided with the steel wire rope 7, one end of the steel wire rope 7 is connected with the lifting hook 15, the joint of the steel wire rope 7 and the lifting hook 15 is provided with a protective shell 18, the two ends of the protective shell 18 are provided with through holes corresponding to the position of the steel wire rope 7, the rubber protective, conveniently remove dustcoat 5, lead screw 12 runs through in two first fixed plates 11, and through the rotatory fixed dustcoat 5 to nut 13, sliding tray 16, four have all been seted up to two dustcoats 5 corresponding calabash derailleur 1 and lifting motor 14's hookup location department the inside equal sliding connection of sliding tray 16 has a sliding block 17, four sliding blocks 17 all with two 5 both ends welded fastening of dustcoat, dustcoat 5 slides in sliding tray 16 through sliding block 17, adjusts inside space.

The utility model discloses a theory of operation and use flow: in the practical application process of the rope winding preventing mechanism based on the electric hoist for the underground coal mine, firstly, two outer covers 5 are moved, sliding blocks 17 respectively welded at two ends of the two outer covers 5 slide to a required position in a sliding groove 16, a screw rod 12 penetrates through two first fixing plates 11, nuts 13 on two sides of the two first fixing plates 11 are fixed in a rotating mode, so that the two outer covers 5 are fixed, a steel wire rope 7 on an internal winding drum 6 is pressed to prevent the steel wire rope 7 from being wound in an overlapping mode or crossing the groove, a rope arranging groove is formed in the surface of the winding drum 6 to facilitate winding of the steel wire rope 7, and a baffle plate 19 is arranged on one side of the winding drum 6 to prevent the steel wire rope 7;

then, a second fixing plate 20 is welded at the bottom end of the outer cover 5, the rope guider 8 is fixed on the second fixing plate 20 through a pin shaft 9, and the steel wire rope 7 penetrates through the rope guider 8 to smoothly go out of the rope, so that the steel wire rope 7 is prevented from being wound, and the normal operation of the electric hoist is ensured;

finally, through the protective shell 18 arranged at the joint of the steel wire rope 7 and the lifting hook 15, a rubber protection pad is arranged inside the protective shell 18, so that the abrasion of the steel wire rope 7 is effectively reduced, and meanwhile, the steel wire rope can be prevented from being wound together.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 utility model provides an anti-wire winding mechanism based on colliery is electric block for pit, includes calabash derailleur (1), its characterized in that: the welding of calabash derailleur (1) top has connecting plate (2), driving assembly (3) is installed on connecting plate (2) top, driving assembly (3) one end welded fastening has motor (4), calabash derailleur (1) one end sliding connection has two dustcoats (5), two equal welded fastening in dustcoat (5) bottom has second fixed plate (20), two second fixed plate (20) are connected through round pin axle (9) and are fixed with rope guide (8), dustcoat (5) internally mounted has reel (6), reel (6) outside winding has wire rope (7), wire rope (7) one end is connected with lifting hook (15), protective housing (18) is installed with lifting hook (15) junction in wire rope (7), reel (6) internal connection axis of rotation (10), raise motor (14) is installed to axis of rotation (10) one end, two adjacent first fixed plate (11), two of all installing in dustcoat (5) top be connected fixedly, two through lead screw (12) and nut (13) between first fixed plate (11) sliding tray (16), four have all been seted up in the hookup location department that dustcoat (5) correspond calabash derailleur (1) and raise motor (14) sliding tray (16) inside equal sliding connection has sliding block (17), four sliding block (17) all with two dustcoats (5) both ends welded fastening.

2. The rope winding preventing mechanism based on the electric hoist for the underground coal mine according to claim 1, is characterized in that: the screw rod (12) penetrates through the two first fixing plates (11).

3. The rope winding preventing mechanism based on the electric hoist for the underground coal mine according to claim 1, is characterized in that: the outer cover (5) slides in the sliding groove (16) through the sliding block (17), the rope guide (8) moves synchronously with the outer cover (5) through the pin shaft (9), and the rope guide (8) is formed by compression molding of cast nylon.

4. The rope winding preventing mechanism based on the electric hoist for the underground coal mine according to claim 1, is characterized in that: a wire arrangement groove is formed in the surface of the winding drum (6), and a baffle plate (19) is installed on one side, close to the lifting motor (14), of the winding drum (6).

5. The rope winding preventing mechanism based on the electric hoist for the underground coal mine according to claim 1, is characterized in that: through holes are formed in the positions, corresponding to the steel wire ropes (7), of the two ends of the protective shell (18), and rubber protection pads are installed inside the protective shell (18).

6. The rope winding preventing mechanism based on the electric hoist for the underground coal mine according to claim 1, is characterized in that: calabash derailleur (1) passes through connecting plate (2) welded fastening with lifting motor (14), motor (4) welded fastening is in driving assembly (3) one end, the input of motor (4) and lifting motor (14) all with external power source's output electric connection.