CN118062063A

CN118062063A - Electric monorail crane driving device with emergency braking device

Info

Publication number: CN118062063A
Application number: CN202410406229.9A
Authority: CN
Inventors: 陈红兵; 牛龄河; 马兴国; 徐蓉
Original assignee: Xuzhou Sumei Mine Equipment Manufacture Co ltd
Current assignee: Xuzhou Sumei Mine Equipment Manufacture Co ltd
Priority date: 2024-04-07
Filing date: 2024-04-07
Publication date: 2024-05-24

Abstract

The invention discloses an electric monorail crane driving device with an emergency braking device, which comprises a driving box, wherein output ends at two sides of a bidirectional rotating motor arranged in the driving box are connected with a first driving bevel gear through a rotating shaft, the first driving bevel gear is meshed with a first driven bevel gear, the first driven bevel gear is connected with a driving gear and a second driven bevel gear through a bearing tube and a limiting frame through a first connecting shaft, the second driven bevel gear is connected with a driving wheel through the first connecting bevel gear and a driving shaft, and a plurality of braking components are arranged at one side of the driving wheel, which is close to an I-shaped monorail. This electronic monorail crane drive arrangement with emergency braking device sets up brake subassembly, when in the middle of the operation, brake subassembly and I shape monorail contactless for can not produce wearing and tearing, when carrying out emergency braking, make brake subassembly and I shape monorail contact, fix a position the drive wheel, thereby in time stop the parking car, can improve the security of monorail crane car when using effectively.

Description

Electric monorail crane driving device with emergency braking device

Technical Field

The invention relates to the related technical field of monorail cranes, in particular to an electric monorail crane driving device with an emergency braking device.

Background

The coal industry is a pillar industry in China, and along with the application of new scientific technology in the coal industry, the electric monorail crane system is used for safely, high-yield and high-efficiency modernized mine construction, has various advantages of safety, energy conservation, environmental protection and the like, has great practical significance in improving the labor condition of underground personnel in the coal mine, and has an important task for developing an energy-saving, environmental protection, high-efficiency and rapid auxiliary transportation mode in the coal industry construction in China. The monorail crane system is an important auxiliary transportation system in the coal mine, and the monorail crane refers to the transportation of a locomotive by walking back and forth on a suspended I-shaped monorail, so that the monorail crane system is modern air transportation equipment. The device has the advantages of small section, high space utilization rate, no limit of a conveying route by a bottom plate condition, small running resistance, strong climbing capacity, automatic lifting, convenient loading and unloading, high efficiency, less man, low investment and maintenance cost and the like, and plays a great role in transporting goods and personnel.

Through retrieval, the monorail crane driving device in the prior art is found to be a typical monorail crane driving device with the publication number of CN214565299U, the hydraulic motor in the driving support is used for providing the power and braking force for running of the monorail crane driving device, the driving wheel driven by the hydraulic motor is tightly pressed against the track of the monorail crane guide rail under the action of the clamping force, the friction force between the driving wheel and the track provides power for running of a locomotive, at the moment, the braking cylinder of the braking device is provided with a rod cavity, the oil inlet braking spring is contracted to store energy, the brake block is separated from the track, and the monorail crane driving device realizes running; on the contrary, the brake cylinder releases hydraulic oil, the brake spring stretches by self elasticity and enables the brake pad to press the track, braking of the monorail crane driving device is achieved, braking performance is strong, overall stability and safety performance are effectively improved, and overall working efficiency is improved.

In summary, the brake device arranged in the existing monorail crane driving device can generate abrasion in the long-term use process, the problem that failure possibly occurs in operation, so that a driver cannot normally brake, potential safety hazards are brought to coal mining work, and secondly, the existing monorail crane driving device is not provided with a cooling system in the use process, basically, natural heat dissipation is adopted, heat generated when the monorail crane driving device is driven is not timely removed, the driving wheel structure is easily deformed, the service life of the driving wheel is further influenced, and the use safety of the monorail crane driving device is improved according to the problem.

Disclosure of Invention

The invention aims to provide an electric monorail crane driving device with an emergency braking device, so as to solve the problems that a braking device arranged in the conventional monorail crane driving device in the background art is worn in the long-term use process and possibly fails in operation, so that a driver cannot normally brake, potential safety hazards are brought to coal mining work of a coal mine, and secondly, a cooling system is not arranged in the conventional monorail crane driving device in the use process, basically, the cooling system is used for naturally radiating heat, heat generated when the monorail crane driving device is driven is not removed in time, the thermal deformation of a driving wheel structure is easily caused, and the service life of the driving wheel and the use safety of the monorail crane driving device are influenced.

In order to achieve the above purpose, the present invention provides the following technical solutions: an electric monorail crane driving device with an emergency braking device comprises a driving box,

The driving box is characterized in that a bidirectional rotating motor is installed in the middle of the inside of the driving box, output ends on two sides of the bidirectional rotating motor are connected with a first driving bevel gear which is correspondingly arranged through a rotating shaft, the first driving bevel gear is meshed with a first driven bevel gear which is correspondingly arranged, the first driven bevel gear passes through a bearing tube and a limiting frame to be connected with a driving gear and a second driven bevel gear through a first connecting shaft, the second driven bevel gear is connected with a driving wheel through the first connecting bevel gear and a driving shaft, meanwhile, one side, close to an I-shaped monorail, of the driving wheel is provided with a plurality of brake components, the outer side of the lower end of the limiting frame is provided with a protection side plate, a groove is formed in the middle of the protection side plate, a second connecting shaft is arranged in the middle of the groove, the second connecting shaft is provided with a driven gear and a second driving bevel gear, the driven gear is meshed with the driving gear, the second driving bevel gear is connected with a rotating shaft through the second connecting bevel gear and the fan blade, and the middle of the rotating shaft is connected with the protection side plate through a supporting frame.

Preferably, the middle of the lower end of the driving box is connected with the top of the supporting base, the middle of the lower end of the supporting base is connected with a movable guide rail arranged on the inner side of the middle of the upper end of the I-shaped monorail, and meanwhile two sides of the lower end of the supporting base are in sliding connection with sliding grooves formed in two sides of the upper end of the I-shaped monorail through movable rollers.

Preferably, the front of the driving box is provided with a protective door through a hinge, the protective door is provided with a plurality of first heat dissipation strip holes, the back of the driving box is provided with an electric cabinet, and one side of the electric cabinet away from the driving box is provided with a plurality of second heat dissipation strip holes.

Preferably, the first connecting shaft is in external rotation connection with the driving box and the limiting frame through a bearing pipe, the outer sides of the upper end and the lower end of the bearing pipe are respectively connected with the lower end of the driving box and the limiting frame, and one end of the clamping limiting frame is connected with one side of the supporting base.

Preferably, the movable groove that upper end and lower extreme and I shape single track side of drive wheel were offered correspondingly is sliding connection, and drive wheel bilateral symmetry is provided with stop nut, stop nut and drive shaft outside threaded connection simultaneously, the mounting groove inside of seting up in the middle of the drive wheel is provided with the rubber sleeve, and the rubber sleeve is annular structure, and the rubber sleeve outside coating has wear-resisting coating simultaneously.

Preferably, the brake assembly comprises a fixed sleeve, a telescopic column is arranged inside the fixed sleeve and close to one side of a driving wheel, a first buffer spring is sleeved outside the telescopic column, the telescopic column and the first buffer spring are connected with one side of an extension rod, the other end of the extension rod penetrates through the fixed sleeve to be connected with a brake side plate, a second buffer spring is sleeved outside the extension rod between the fixed sleeve and the brake side plate, and an electromagnetic block is arranged on one side of the brake side plate close to the I-shaped single rail.

Preferably, the two sides of the bottom of the lower end of the protective side plate are symmetrically provided with inserting rods, the inserting rods are connected with the corresponding inserting seats of the upper end of the movable hanging seat in a clamping mode, and meanwhile fixing bolts arranged on the outer side of the inserting seats penetrate through one side of each inserting seat and are in threaded connection with the other side of each inserting seat.

Preferably, the size of the driven gear is smaller than the size of the driving gear, and the number of the teeth on the driven gear is larger than the number of the teeth on the driving gear.

Compared with the prior art, the invention has the beneficial effects that: the electric monorail crane driving device with the emergency braking device,

(1) In order to solve the problems that the brake device arranged in the existing monorail crane driving device can generate abrasion in the long-term use process and possibly fails in operation, so that a driver cannot normally brake, and potential safety hazards are brought to coal mining work of a coal mine;

(2) In order to solve the problems that the conventional monorail crane driving device is not provided with a cooling system in the use process, basically, natural heat dissipation is adopted, heat generated when the monorail crane driving device drives is not timely removed, the heat is easy to cause thermal deformation of a driving wheel structure, and further the service life of the driving wheel and the use safety of the monorail crane driving device are influenced.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4D according to the present invention;

FIG. 6 is a schematic elevational view of the present invention;

FIG. 7 is a schematic side view of the protective side plate and the movable hanger of the present invention;

fig. 8 is a schematic rear view of the present invention.

In the figure: 1. an I-shaped monorail; 2. a moving guide rail; 3. a support base; 301. moving the roller; 4. a drive box; 401. a protective door; 402. a first heat dissipation bar hole; 403. an electric control box; 404. a second heat dissipating strip hole; 5. a bidirectional rotary motor; 6. a rotating shaft; 7. a first drive bevel gear; 8. a first driven bevel gear; 9. a first connecting shaft; 10. a bearing tube; 11. a limiting frame; 12. a drive gear; 13. a second driven bevel gear; 14. a first connecting bevel gear; 15. a drive shaft; 16. a driving wheel; 17. a limit nut; 18. a rubber sleeve; 19. a brake assembly; 1901. a fixed sleeve; 1902. a telescopic column; 1903. a first buffer spring; 1904. an extension rod; 1905. a second buffer spring; 1906. a brake side plate; 1907. an electromagnetic block; 20. a protective side plate; 2001. a groove; 21. a second connecting shaft; 22. a driven gear; 23. a second drive bevel gear; 24. a second connecting bevel gear; 25. a rotation shaft; 26. a support frame; 27. a fan blade; 28. inserting a connecting rod; 29. moving the hanging seat; 30. and (5) a plug-in seat.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-8, the present invention provides a technical solution: according to the electric monorail crane driving device with an emergency braking device, as shown in figures 1,2,3,4, 6 and 8, a protective door 401 is arranged on the front surface of a driving box 4 through a hinge, a plurality of first heat dissipation strip holes 402 are formed in the protective door 401, an electric control box 403 is arranged on the back surface of the driving box 4, a plurality of second heat dissipation strip holes 404 are formed in one side, far away from the driving box 4, of the electric control box 403, a bidirectional rotating motor 5 is arranged in the middle of the inside of the driving box 4, output ends on two sides of the bidirectional rotating motor 5 are connected with a first driving bevel gear 7 which is correspondingly arranged through a rotating shaft 6, the first driving bevel gear 7 is in meshed connection with a first driven bevel gear 8 which is correspondingly arranged, the first driven bevel gear 8 is connected with a driving gear 12 and a second driven bevel gear 13 through a first connecting shaft 9 through a bearing tube 10 and a limiting frame 11, the first connecting shaft 9 is connected with the driving box 4 and the limiting frame 11 in an external rotating way through the bearing tube 10, the outer sides of the upper end and the lower end of the bearing tube 10 are respectively connected with the lower end of the driving box 4 and the limiting frame 11, one end of the clamping limiting frame 11 is connected with one side of the supporting base 3, the second driven bevel gear 13 is connected with the driving wheel 16 through the first connecting bevel gear 14 and the driving shaft 15, the upper end and the lower end of the driving wheel 16 are in sliding connection with the corresponding moving grooves formed on the side edge of the I-shaped single rail 1, the accuracy of the position of the driving wheel 16 during moving is improved, limiting nuts 17 are symmetrically arranged on the two sides of the driving wheel 16, the limiting nuts 17 are connected with the outer sides of the driving shaft 15 in a threaded way, the driving wheel 16 is convenient to limit, the driving wheel 16 is prevented from being offset during rotating, the use of the single rail crane is influenced, a rubber sleeve 18 is arranged in the mounting groove formed in the middle of the driving wheel 16, the rubber sleeve 18 is of an annular structure, and the outer side of the rubber sleeve 18 is coated with a wear-resistant coating, the service life of the rubber sleeve 18 is improved.

Further stated, the middle of the lower end of the driving box 4 is connected with the top of the supporting base 3, and the middle of the lower end of the supporting base 3 is connected with the movable guide rail 2 arranged on the middle inner side of the upper end of the I-shaped single rail 1, so that the movable hanging seat 29 is conveniently and synchronously driven to move on the I-shaped single rail 1, and meanwhile, two sides of the lower end of the supporting base 3 are in sliding connection with sliding grooves formed in two sides of the upper end of the I-shaped single rail 1 through the movable rollers 301, so that the moving stability of the supporting base 3 is improved.

According to the embodiment shown in fig. 1, fig. 4, fig. 5, fig. 6 and fig. 8, a plurality of brake assemblies 19 are arranged on one side of the driving wheel 16 close to the i-shaped monorail 1, each brake assembly 19 comprises a fixed sleeve 1901, a telescopic column 1902 is arranged on one side of the fixed sleeve 1901 close to the driving wheel 16, a first buffer spring 1903 is sleeved on the outer side of the telescopic column 1902, the telescopic column 1902 and the first buffer spring 1903 are connected with one side of an extension rod 1904, the other end of the extension rod 1904 penetrates through the fixed sleeve 1901 and is connected with a brake side plate 1906, a second buffer spring 1905 is sleeved on the outer side of the extension rod 1904 between the fixed sleeve 1901 and the brake side plate 1906, an electromagnetic block 1907 is arranged on one side of the brake side plate 1906 close to the i-shaped monorail 1, and the driving wheel 16 is conveniently limited and fixed by electrifying the electromagnetic block 1907, so that emergency braking is achieved.

According to the embodiment shown in fig. 1, fig. 3, fig. 6, fig. 7 and fig. 8, the protection side plate 20 is installed on the outer side of the lower end of the limiting frame 11, the groove 2001 is provided in the middle of the protection side plate 20, meanwhile, the second connecting shaft 21 is provided in the middle of the inner part of the groove 2001, the driven gear 22 and the second driving bevel gear 23 are installed on the second connecting shaft 21, the driven gear 22 is in meshing connection with the driving gear 12, the size of the driven gear 22 is smaller than that of the driving gear 12, the number of convex teeth on the driven gear 22 is larger than that on the driving gear 12, the rotation speed of the driven gear 22 is higher, thereby improving the rotation speed of the fan blade, improving the wind speed flow, meanwhile, the second driving bevel gear 23 is connected with the fan blade 27 through the second connecting bevel gear 24, the middle of the rotating shaft 25 is connected with the protection side plate 20 through the supporting frame 26, the fan blade 27 is conveniently driven to rotate to generate air flow, the heat generated by driving friction of the driving wheel 16 is dissipated, the two sides of the bottom of the lower end of the protection side plate 20 are symmetrically provided with the inserting rods 28, the inserting rods 28 are in clamping connection with the inserting seats 30 correspondingly arranged on the upper end, the fixing bolts 30 are inserted on one side of the inserting seats 30, which are arranged on the outer side of the inserting seats 30, and the inserting seats 30 are convenient to move, and the inserting seats 30 are fixedly connected with the inserting seats, and are convenient to install.

When the two-way rotating motor is used, the two-way rotating motor 5 is started, so that the two rotating shafts 6 and the two first driving bevel gears 7 are driven to rotate in the same direction by the two first driving bevel gears 7, then the two first driven bevel gears 8 respectively drive the first connecting shafts 9, the driving gears 12 and the second driven bevel gears 13 which are correspondingly connected, the two first driven bevel gears 8 respectively drive the second connecting shafts 9, the driving gears 12 and the second driven bevel gears 13 which are correspondingly connected, the driving shaft 15 drives the driving wheels 16 to rotate in the interior of the industrial monorail 1 under the action of the rotation of the first connecting bevel gears 14 driven by the second driven bevel gears 13, the supporting base 3 and the moving roller 301 which are connected with the lower end of the driving box 4 respectively move on the moving guide rail 2 and the interior of the sliding groove which are arranged on the industrial monorail 1, the monorail 1 is driven by moving, the driven by the driving gears 12, the driven gears 22 are driven by the driving gears 23, the second connecting bevel gears 24 drive the second connecting bevel gears 25 to rotate in the interior of the rotating support frame 26, the rotating blades 19025, the motor 19025 is driven by the second connecting bevel gears 27, the two-way electromagnetic brake block 1906 is driven by the electric motor, when the two-way brake block 1906 is set, the two-way brake block 1906 is driven, the two-way brake block 1906 is required to be electrically and the two-way brake block 1906 is set, and the two-way brake magnetic brake block 1906 is required to be braked, and the two-way brake block 1906 is set down, and the brake block 1905 is set down, and the brake block 1906 is cooled down, and the brake is set down, and the brake block is driven by the brake block is simultaneously and is driven and is kept down, the safety of the monorail crane locomotive in use can be effectively improved.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. Electric monorail crane driving device with emergency braking device, comprising a driving box (4), characterized in that:

The driving box (4) is internally provided with a bidirectional rotating motor (5) in the middle, the output ends at two sides of the bidirectional rotating motor (5) are connected with a first driving bevel gear (7) which is correspondingly arranged through a rotating shaft (6), the first driving bevel gear (7) is meshed with a first driven bevel gear (8) which is correspondingly arranged, the first driven bevel gear (8) passes through a bearing tube (10) and a limiting frame (11) through a first connecting shaft (9) to be connected with a driving gear (12) and a second driven bevel gear (13), the second driven bevel gear (13) is connected with a driving wheel (16) through a first connecting bevel gear (14) and a driving shaft (15), a plurality of braking components (19) are arranged at one side of the driving wheel (16) which is close to the I-shaped monorail (1), a protection side plate (20) is arranged at the outer side of the lower end of the limiting frame (11), a groove (2001) is formed in the middle of the protection side plate (20), a second connecting shaft (21) is arranged in the middle of the groove (2001), a driven gear (22) and the second connecting shaft (21) is provided with a driven gear (22) and a second connecting shaft (23) which is meshed with the driving gear (12), meanwhile, the second driving bevel gear (23) is connected with the fan blades (27) through the second connecting bevel gear (24) and the rotating shaft (25), and the middle of the rotating shaft (25) is connected with the protection side plate (20) through the supporting frame (26).

2. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the middle of the lower end of the driving box (4) is connected with the top of the supporting base (3), the middle of the lower end of the supporting base (3) is connected with the movable guide rail (2) arranged on the inner side of the upper end of the I-shaped monorail (1), and meanwhile, two sides of the lower end of the supporting base (3) are in sliding connection with sliding grooves formed in two sides of the upper end of the I-shaped monorail (1) through movable rollers (301).

3. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the front of the driving box (4) is provided with a protective door (401) through a hinge, the protective door (401) is provided with a plurality of first heat dissipation strip holes (402), meanwhile, the back of the driving box (4) is provided with an electric control box (403), and one side, far away from the driving box (4), of the electric control box (403) is provided with a plurality of second heat dissipation strip holes (404).

4. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the first connecting shaft (9) is connected with the driving box (4) and the limiting frame (11) in an external rotating mode through a bearing tube (10), the outer sides of the upper end and the lower end of the bearing tube (10) are respectively connected with the lower end of the driving box (4) and the limiting frame (11), and one end of the clamping limiting frame (11) is connected with one side of the supporting base (3) simultaneously.

5. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the upper end and the lower extreme of drive wheel (16) are sliding connection with the corresponding removal groove of seting up of I shape monorail (1) side, and drive wheel (16) bilateral symmetry is provided with stop nut (17), and stop nut (17) and drive shaft (15) outside threaded connection simultaneously, the mounting groove inside of seting up in the middle of drive wheel (16) is provided with rubber sleeve (18), and rubber sleeve (18) are annular structure, and rubber sleeve (18) outside coating has wear-resisting coating simultaneously.

6. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the brake assembly (19) comprises a fixed sleeve (1901), a telescopic column (1902) is arranged inside the fixed sleeve (1901) and close to one side of a driving wheel (16), a first buffer spring (1903) is sleeved outside the telescopic column (1902), the telescopic column (1902) and the first buffer spring (1903) are connected with one side of an extension rod (1904), the other end of the extension rod (1904) penetrates through the fixed sleeve (1901) to be connected with a brake side plate (1906), the extension rod (1904) is located between the fixed sleeve (1901) and the brake side plate (1906), a second buffer spring (1905) is sleeved outside the extension rod (1904), and an electromagnetic block (1907) is arranged on one side of the brake side plate (1906) close to the I-shaped single rail (1).

7. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the two sides of the bottom of the lower end of the protection side plate (20) are symmetrically provided with inserting connection rods (28), the inserting connection rods (28) are connected with inserting connection bases (30) which are correspondingly arranged at the upper ends of the movable hanging bases (29) in a clamping mode, and meanwhile fixing bolts arranged at the outer sides of the inserting connection bases (30) penetrate through one side of the inserting connection bases (30) in a penetrating mode, and the inserting connection rods (28) are connected with the other side of the inserting connection bases (30) in a threaded mode.

8. An electric monorail crane drive with emergency braking apparatus as defined in claim 1, wherein: the driven gear (22) is smaller in size than the driving gear (12), and the number of teeth on the driven gear (22) is greater than the number of teeth on the driving gear (12).