CN113003364A

CN113003364A - Cage with safety device

Info

Publication number: CN113003364A
Application number: CN202110200245.9A
Authority: CN
Inventors: 王雷; 董献勇; 马龙; 张静波; 张国辉; 王保磊; 李向阳; 周鹏飞; 梅峰漳; 林健; 赵军业; 路阳春; 陈香
Original assignee: Meizhuo Mine Safety Equipment Xuzhou Co ltd; Pingdingshan Tianan Coal Mining Co Ltd
Current assignee: Meizhuo Mine Safety Equipment Xuzhou Co ltd; Pingdingshan Tianan Coal Mining Co Ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-22
Anticipated expiration: 2041-02-23
Also published as: CN113003364B

Abstract

The invention discloses a cage with a safety device, which comprises a cage well, a limiting groove connecting piece, a bidirectional motor, a supporting screw rod, a second sliding groove and an adjusting screw rod, wherein a cage is arranged in the cage well, guide grooves are formed in the left side and the right side of the cage well, cage ear rollers are fixedly arranged on the outer sides of the upper end and the lower end of the cage, the outer ends of the cage ear rollers are attached to the guide grooves, and grooves communicated with the guide grooves are formed in the left side and the right side of the cage well. This cage with safeties, be provided with the locking hole, revolving stage and pawl, the cage when removing in the cage well, make the revolving stage rotate under the frictional force effect of steel cable, in case the cage tenesmus speed is too fast, the corresponding increase of revolving stage slew velocity, the pawl of spacing inslot is thrown away under the effect of centrifugal force, pawl embedding locking hole afterwards, spacing groove restriction pawl continues to rotate simultaneously, the cooperation through pawl and locking hole stops the cage fast, this safeties reaction rate is fast, it is safer to use.

Description

Cage with safety device

Technical Field

The invention relates to the technical field of cages, in particular to a cage with a safety device.

Background

The cage is a lift for mines, has simple structure and low requirement on operation environment, and is important lifting equipment for mine collection.

The existing cage is not provided with a proper safety device usually, once a lifting rope for lifting the cage is broken or other reasons cause the cage to fall quickly, the existing safety device is difficult to react quickly, the falling distance of the cage is easy to be overlong, and then the safety of workers in the cage is damaged, the cage door of the existing cage is limited by safety and cannot be opened outwards, so that folding cage doors are mostly adopted, but the folding cage door has a complex structure, the internal components of the folding cage door are easy to accumulate dust, the folding cage door is easy to block after long-time use, and the problem that the opening and closing of the cage door are difficult is caused, the cage can be divided into a single-layer cage and a double-layer cage, wherein the double-layer cage can use double-layer space to place more objects, the transportation efficiency of the cage is improved, but the partition plate of the existing double-layer cage can not adjust the height, and the space in the double-layer cage can not be effectively used when transporting objects, there are certain limitations to use and improvements to existing devices are needed to address the above problems.

Disclosure of Invention

The invention aims to provide a cage with a safety device, and aims to solve the problems that the conventional cage provided in the background art is not provided with a proper safety device, once a lifting rope for lifting the cage is broken or the cage falls rapidly due to other reasons, the conventional safety device is difficult to react rapidly, the falling distance of the cage is overlong, and then the safety of workers in the cage is damaged, the cage can be a single-layer cage and a double-layer cage respectively, wherein the double-layer cage can use double-layer space for placing more objects, so that the transportation efficiency of the cage is improved, but the partition plate of the conventional double-layer cage cannot be adjusted in height, the space in the double-layer cage is difficult to effectively use when the objects with different heights are transported, and the cage has certain limitation in use.

In order to achieve the purpose, the invention provides the following technical scheme: a cage with a safety device comprises a cage well, a limiting groove connecting piece, a bidirectional motor, a supporting screw rod, a second sliding groove and an adjusting screw rod,

the cage well comprises a cage well, wherein a cage is arranged inside the cage well, guide grooves are formed in the left side and the right side of the cage well, cage ear rollers are fixedly mounted on the outer sides of the upper end and the lower end of the cage well, the outer ends of the cage ear rollers are attached to the guide grooves, grooves communicated with the guide grooves are formed in the left side and the right side of the cage well, locking holes are formed in the inner walls of the front side and the rear side of each groove, mounting tables are fixed on the left side and the right side of the cage well, rotating tables are rotatably connected to the mounting tables, and one ends, away from the cage, of the rotating;

the limiting groove is formed in the rotating platform, a pawl which is rotatably connected to the rotating platform is arranged in the limiting groove, one side of the pawl is connected with the tension spring, and the other end of the tension spring is connected with the rotating platform;

the connecting pieces are fixed on the left side and the right side of the mounting table, a first sliding groove is formed in each connecting piece, a sliding piece is connected in each first sliding groove in a sliding mode, the front side of each sliding piece is connected with a pressing wheel in a rotating mode, the front side of each pressing wheel is matched with the rear side of the corresponding rotating table to extrude a steel cable, and the upper end and the lower end of each steel cable are fixed on the upper side and the lower side of the cage well;

the bidirectional motor is fixedly installed at the top of the cage well, winding disks are installed on the left side and the right side of the bidirectional motor, a lifting rope installed at the top of the cage well penetrates through the top of the cage well and is connected with the winding disk on the left side of the bidirectional motor, a lifting rope installed at the bottom of the cage well penetrates through the bottom of the cage well, a guide wheel is installed at the bottom of the cage well, and the lifting rope installed at the bottom of the cage changes direction along the guide wheel and is connected with the winding disk on the right side of the bidirectional motor;

the upper end and the lower end of the supporting screw rod are respectively fixed on the upper side and the lower side in the cage, two positioning nuts are in threaded connection with the supporting screw rod, the supporting screw rod penetrates through a partition plate arranged in the cage in a suspended mode, and the partition plate is arranged between the two positioning nuts of the same supporting screw rod;

the second spout, the second spout is seted up inside the cage, and the second spout front side sliding connection has a cage door, the opening has all been seted up with cage well front side to the cage front side, and the opening communicates with the second spout front side mutually, electromagnetic switch is all installed at second spout both ends.

Preferably, the cage shoe rollers are provided with two groups, and the two groups of cage shoe rollers are respectively attached to the guide grooves in a transverse and longitudinal mode.

Preferably, the center line of the locking hole and the center line of the corresponding pawl are located on the same vertical plane.

Preferably, the pawls are arranged in two groups, and the two groups of pawls are symmetrically arranged by taking the center line of the cage as the center.

Preferably, every group the pawl is provided with four, and four pawls use the revolving stage central line to be well and be the rotational symmetry formula setting, and the pawl contracts in spacing inslot portion completely simultaneously.

Preferably, the stress directions of the two lifting ropes are coincident with the central line of the cage.

Preferably, a plurality of the supporting screws uniformly penetrate through the partition plate, and the distance between two supporting screws close to the opening is larger than the width dimension of the opening.

Preferably, the width dimension of the cage door is larger than that of the opening, and the sliding distance of the cage door in the second sliding groove is larger than that of the cage door.

Preferably, the adjusting screw penetrates through the connecting piece and is rotatably connected with the rear end of the sliding piece, and the adjusting screw is in threaded connection with the connecting piece.

Compared with the prior art, the invention has the beneficial effects that: the cage with the safety device is characterized in that the cage with the safety device,

(1) the safety device is provided with a locking hole, a rotating platform and a pawl, when the cage moves in the cage well, the rotating platform is rotated under the action of friction force of a steel cable, once the falling speed of the cage is too high, the rotating speed of the rotating platform is correspondingly increased, the pawl in the limiting groove is thrown out under the action of centrifugal force, then the pawl is embedded into the locking hole, meanwhile, the limiting groove limits the pawl to continue rotating, and the cage is quickly stopped through the matching of the pawl and the locking hole;

(2) the two-way motor and the lifting rope are arranged, the two-way motor rotates, the lifting rope is discharged from the winding disc on the left side of the two-way motor, the winding disc on the right side of the two-way motor winds the other lifting rope, the cage descends along the cage well under the action of gravity, the lifting rope on the lower side of the cage pulls the cage to descend, the descending resistance of the cage due to friction and the like is avoided, and the descending speed of the cage is more stable on average;

(3) the cage is provided with the supporting screw rods, the partition plates and the positioning screw rods, the positioning nuts are rotated, the positions of the two positioning nuts on each supporting screw rod are adjusted, the height of each partition plate is convenient to adjust, the space heights of the upper side and the lower side of the interior of the cage are adjusted according to actual use requirements, the cage is more flexible to use, and the application range of the cage is wider;

(4) be provided with second spout, cage door and electromagnetic switch, the cage door slides along the second spout, and until the opening of cage door totally enclosed cage front side, the fixed cage door of electromagnetic switch through second spout one side simultaneously avoids the cage door to open at the operation in-process, and this cage door need not outwards or inwards to open, and simple structure, is difficult for receiving the dust influence in the environment, uses more to have the practicality.

Drawings

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

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic diagram of a left side view cross-sectional structure of the present invention;

FIG. 4 is a schematic side sectional view of the turntable according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

In the figure: 1. cage well, 2, cage, 3, guide way, 4, cage ear gyro wheel, 5, recess, 6, locking hole, 7, mount table, 8, revolving stage, 9, spacing groove, 10, pawl, 11, extension spring, 12, connecting piece, 13, first spout, 14, slider, 15, pinch roller, 16, steel cable, 17, two-way motor, 18, rolling dish, 19, lifting rope, 20, leading wheel, 21, supporting screw, 22, set nut, 23, baffle, 24, second spout, 25, cage door, 26, opening, 27, electromagnetic switch, 28, adjusting screw.

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. 1-6, the present invention provides a technical solution: a cage with a safety device is disclosed, as shown in figure 1, figure 3 and figure 5, a cage 2 is arranged in a cage well 1, guide grooves 3 are respectively arranged on the left side and the right side of the cage well 1, cage ear rollers 4 are fixedly arranged on the outer sides of the upper end and the lower end of the cage 2, the outer ends of the cage ear rollers 4 are attached to the guide grooves 3, two groups of cage ear rollers 4 are arranged, the two groups of cage ear rollers 4 are respectively attached to the guide grooves 3 in a transverse mode and a longitudinal mode, the cage 2 can move more stably in the cage well 1 through the cooperation of the two groups of cage ear rollers 4, grooves 5 communicated with the guide grooves 3 are arranged on the left side and the right side of the cage well 1, locking holes 6 are respectively arranged on the inner walls of the front side and the rear side of each groove 5, the central line of each locking hole 6 and the central line of the corresponding pawl 10 are positioned on the same vertical plane, the pawl 10 is thrown out of a, cage 2 left and right sides is fixed with mount table 7, and rotates on mount table 7 and be connected with revolving stage 8, and the one end setting that cage 2 was kept away from to revolving stage 8 is inside recess 5.

As shown in fig. 1, 3 and 6, a limit groove 9 is formed on a rotating platform 8, and pawls 10 rotatably connected to the rotating platform 8 are arranged in the limit groove 9, two sets of pawls 10 are arranged, and two sets of pawls 10 are symmetrically arranged around the center line of a cage 2, two sets of pawls 10 are matched with two sets of locking holes 6 to rapidly lock the cage 2, so that the stress is more balanced when the cage 2 is rapidly locked, four pawls 10 are arranged in each set, and four pawls 10 are rotationally symmetrically arranged around the center line of the rotating platform 8, and simultaneously the pawls 10 are completely retracted in the limit groove 9, a tension spring 11 pulls the pawls 10 to prevent the pawls 10 from being thrown out of the limit groove 9 when the cage 2 is normally operated, one side of the pawls 10 is connected with the tension spring 11, and the other end of the tension spring 11 is connected with the rotating platform 8, connecting pieces 12 are fixed on the left and right sides of a mounting platform 7, and, the inside sliding connection of first spout 13 has slider 14, and slider 14 front side rotation is connected with pinch roller 15, and pinch roller 15 front side and revolving stage 8 rear side cooperation extrusion steel cable 16, and the upper and lower both ends of steel cable 16 are fixed respectively in cage well 1 upper and lower both sides.

As shown in fig. 1, 2 and 4, a bidirectional motor 17 is fixedly installed at the top of a cage well 1, winding disks 18 are installed at the left and right sides of the bidirectional motor 17, a lifting rope 19 installed at the top of the cage 2 penetrates through the top of the cage well 1 and is connected with the winding disk 18 at the left side of the bidirectional motor 17, the lifting rope 19 installed at the bottom of the cage 2 penetrates through the bottom of the cage well 1, the stress directions of the two lifting ropes 19 are coincident with the central line of the cage 2, so that the cage 2 is pulled to move up and down on the cage well 1 through the two lifting ropes 19, a guide wheel 20 is installed at the bottom of the cage well 1, the lifting rope 19 installed at the bottom of the cage 2 changes the direction along the guide wheel 20 and is connected with the winding disk 18 at the right side of the bidirectional motor 17, the upper and lower ends of a support screw 21 are respectively fixed at the upper and lower sides inside the cage 2, two positioning nuts 22 are in threaded connection with the, the distance between two support screws 21 close to the opening 26 is larger than the width of the opening 26, so that articles can be conveniently put into the cage 2 through the opening 26, the support screws 21 penetrate through a partition plate 23 arranged in the cage 2 in a suspended mode, the partition plate 23 is arranged between two positioning nuts 22 of the same support screw 21, the second chute 24 is arranged in the cage 2, the front side of the second chute 24 is connected with a cage door 25 in a sliding mode, the width of the cage door 25 is larger than the width of the opening 26, the sliding distance of the cage door 25 in the second chute 24 is larger than the width of the cage door 25, the opening 26 can be completely closed when the cage door 25 slides to one end of the second chute 24, the opening 26 can be completely opened when the cage door 25 slides to the other end of the second chute 24, the openings 26 are formed in the front side of the cage 2 and the front side of the cage well 1, and the openings 26 are communicated with the front side of the second chute 24, electromagnetic switches 27 are mounted at two ends of the second sliding chute 24, an adjusting screw 28 penetrates through the connecting piece 12 and is rotatably connected with the rear end of the sliding piece 14, the adjusting screw 28 is in threaded connection with the connecting piece 12, and the adjusting screw 28 is rotated to push the sliding piece 14 to slide in the first sliding chute 13, so that the pressing wheel 15 is matched with the rotating platform 8 to clamp the steel cable 16.

The working principle is as follows: when the cage with the safety device is used, firstly two positioning nuts 22 on the same supporting screw 21 are rotated and loosened, a partition plate 23 is adjusted along the supporting screw 21, then the positioning nuts 22 are rotated reversely, the positioning nuts 22 are matched with the fixing partition plate 23 through a plurality of groups of positioning nuts 22, the space volumes of the upper side and the lower side in the cage 2 are conveniently adjusted according to the actual use requirements, the application range of the cage is wider, an adjusting screw 28 is rotated, the adjusting screw 28 pushes a sliding piece 14 to slide along a first sliding groove 13 until a pressing wheel 15 on the front side of the sliding piece 14 is matched with a rotating table 8 to clamp a steel cable 16, articles are placed in the cage 2, a cage door 25 is pushed to slide along a second sliding groove 24 until the cage door 25 closes an opening, an external power supply is switched on, an electromagnetic switch 27 is started, the electromagnetic switch 27 fixes the cage door 25 through magnetic force to prevent the cage door 25 from being opened when the cage 2 moves, and the, is not easy to be influenced by the environment and is more practical to use, the two-way motor 17 is started, the two-way motor 17 drives the left winding disc 18 to rotate, the winding disc 18 winds the lifting rope 19 on the upper side of the cage 2, meanwhile, the winding disc 18 on the right side emits the other lifting rope 19 on the lower side of the cage 2, so that the cage 2 ascends, the cage ear rollers 4 reduce the friction force to enable the cage 2 to move more smoothly, similarly, the two-way motor 17 rotates reversely, the lifting rope 19 on the lower side pulls the cage 2 to move downwards, the problem that the descending speed of the cage 2 is uneven due to the friction force between the cage 2 and the inner wall of the cage well 1 is solved, the use is safer, once a falling accident happens, the cage 2 descends rapidly, the rotating platform 8 rotates rapidly under the friction action of the steel cable 16, the centrifugal force generated when the pawl 10 rotates is larger than the tensile force of the tension spring 11, the pawl 10 is separated from, the limiting groove 9 limits the further rotation of the pawl 10, so that the pawl 10 is matched with the locking hole 6 to quickly lock the cage 2, the safety device has a simple structure, is quick to react and high in reliability, the use safety of the equipment can be greatly improved, and all work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a cage with safeties, includes cage well (1), spacing groove (9), connecting piece (12), two-way motor (17), supporting screw (21), second spout (24) and adjusting screw (28), its characterized in that:

the cage well comprises a cage well (1), wherein a cage (2) is arranged inside the cage well (1), guide grooves (3) are formed in the left side and the right side of the cage well (1), cage roller wheels (4) are fixedly mounted on the outer sides of the upper end and the lower end of the cage well (2), the outer ends of the cage roller wheels (4) are attached to the guide grooves (3), grooves (5) communicated with the guide grooves (3) are formed in the left side and the right side of the cage well (1), locking holes (6) are formed in the inner walls of the front side and the rear side of each groove (5), mounting tables (7) are fixed on the left side and the right side of the cage well (2), rotating tables (8) are rotatably connected to the mounting tables (7), and one ends, far away from the cage (2), of the rotating tables (8) are;

the limiting groove (9) is formed in the rotating platform (8), a pawl (10) rotatably connected to the rotating platform (8) is arranged in the limiting groove (9), one side of the pawl (10) is connected with a tension spring (11), and the other end of the tension spring (11) is connected with the rotating platform (8);

the connecting piece (12) is fixed on the left side and the right side of the mounting table (7), a first sliding groove (13) is formed in the connecting piece (12), a sliding piece (14) is connected to the inside of the first sliding groove (13) in a sliding mode, a pressing wheel (15) is connected to the front side of the sliding piece (14) in a rotating mode, the front side of the pressing wheel (15) is matched with the rear side of the rotating table (8) to extrude a steel cable (16), and the upper end and the lower end of the steel cable (16) are fixed on the upper side and the lower side of the cage well (;

the winding device comprises a bidirectional motor (17), wherein the bidirectional motor (17) is fixedly installed at the top of a cage well (1), winding disks (18) are installed on the left side and the right side of the bidirectional motor (17), a lifting rope (19) installed at the top of the cage (2) penetrates through the top of the cage well (1) and is connected with the winding disk (18) on the left side of the bidirectional motor (17), the lifting rope (19) installed at the bottom of the cage (2) penetrates through the bottom of the cage well (1), a guide wheel (20) is installed at the bottom of the cage well (1), and the lifting rope (19) installed at the bottom of the cage (2) changes direction along the guide wheel (20) and is connected with the winding disk (18) on the right side of the bidirectional motor (17);

the upper end and the lower end of the supporting screw rod (21) are respectively fixed to the upper side and the lower side of the interior of the cage (2), two positioning nuts (22) are connected to the supporting screw rod (21) in a threaded mode, the supporting screw rod (21) penetrates through a partition plate (23) arranged in the interior of the cage (2) in a hanging mode, and the partition plate (23) is arranged between the two positioning nuts (22) of the same supporting screw rod (21);

second spout (24), second spout (24) are seted up inside cage (2), and second spout (24) front side sliding connection has cage door (25), opening (26) have all been seted up with cage well (1) front side to cage (2) front side, and opening (26) and second spout (24) front side communicate with each other, electromagnetic switch (27) are all installed at second spout (24) both ends.

2. A cage with a safety feature as claimed in claim 1, wherein: the cage shoe rollers (4) are provided with two groups, and the two groups of cage shoe rollers (4) are respectively attached to the guide grooves (3) in a transverse and longitudinal mode.

3. A cage with a safety feature as claimed in claim 1, wherein: the central line of the locking hole (6) and the central line of the corresponding pawl (10) are positioned on the same vertical plane.

4. A cage with a safety feature as claimed in claim 1, wherein: the two groups of pawls (10) are arranged, and the two groups of pawls (10) are symmetrically arranged by taking the central line of the cage (2) as the center.

5. A cage with a safety feature as claimed in claim 1, wherein: every group pawl (10) are provided with four, and four pawl (10) use revolving stage (8) central line to be the setting of rotational symmetry formula as well, and pawl (10) contract completely inside spacing groove (9) simultaneously.

6. A cage with a safety feature as claimed in claim 1, wherein: the stress directions of the two lifting ropes (19) are coincident with the central line of the cage (2).

7. A cage with a safety feature as claimed in claim 1, wherein: the supporting screws (21) uniformly penetrate through the partition plate (23), and the distance between two supporting screws (21) close to the opening (26) is larger than the width dimension of the opening (26).

8. A cage with a safety feature as claimed in claim 1, wherein: the width dimension of the cage door (25) is larger than that of the opening (26), and the sliding distance of the cage door (25) in the second sliding groove (24) is larger than that of the cage door (25).

9. A cage with a safety feature as claimed in claim 1, wherein: the adjusting screw rod (28) penetrates through the connecting piece (12) and is rotatably connected with the rear end of the sliding piece (14), and the adjusting screw rod (28) is in threaded connection with the connecting piece (12).