阅读说明：本技术 一种用于矿内提升装置具有过载保护功能的减速机 (Speed reducer with overload protection function for in-mine lifting device ) 是由 褚顺伟 崔忠宇 于 2021-01-13 设计创作，主要内容包括：本发明涉及矿用减速机技术领域,且公开了一种用于矿内提升装置具有过载保护功能的减速机,包括固定架,所述固定架的相对端固定连接有保护壳体,所述保护壳体的内部活动连接有传动齿轮,所述传动齿轮的外壁活动连接有驱动齿轮。该用于矿内提升装置具有过载保护功能的减速机,通过供油柱将驱动齿轮和传动齿轮之间的高温润滑油抽出后排到导流管内,润滑油在驱动泵的作用下在导流管内顺时针流动,冷却后的润滑油经供油柱传递给高压喷头,高压喷头将润滑油喷洒在驱动齿轮和传动齿轮的外壁,在对其进行润滑的同时提高润滑油与空气的接触面积,进一步的对润滑油和传动装置进行降温,保证减速机稳定运行。(The invention relates to the technical field of mining speed reducers, and discloses a speed reducer with an overload protection function for an in-mine lifting device. This a speed reducer for hoisting device has overload protection function in ore deposit, take out the back through the oil feed post with the high temperature lubricating oil between drive gear and the drive gear and arrange in the water conservancy diversion pipe, lubricating oil flows clockwise in the water conservancy diversion pipe under the effect of driving pump, lubricating oil after the cooling transmits for high pressure nozzle through the oil feed post, high pressure nozzle sprays lubricating oil at drive gear and drive gear's outer wall, improve the area of contact of lubricating oil with the air when lubricating it, further cool down lubricating oil and transmission, guarantee speed reducer steady operation.)

1. The utility model provides a speed reducer that is used for hoisting device in ore deposit to have overload protection function, includes mount (1), its characterized in that: the opposite end of the fixed frame (1) is fixedly connected with a protective shell (2), the interior of the protective shell (2) is movably connected with a transmission gear (3), the outer wall of the transmission gear (3) is movably connected with a driving gear (4), the outer wall of the driving gear (4) is movably connected with a gear ring (8), the outer wall of the gear ring (8) is movably connected with a telescopic rod (10), the opposite ends of the telescopic rod (10) are movably connected with a contact (9), the outer wall of the contact (9) is movably connected with an adjusting bin (6), the front surface of the protective shell (2) is connected with a cooling pipe (12), the inside fixedly connected with honeycomb duct (13) of cooling tube (12), the inner wall fixedly connected with oil feed column (15) of protection casing (2), the outer wall of oil feed column (15) is pegged graft and is had high pressure nozzle (7).

2. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the fixing frame (1) is tightly connected with the protective shell (2), and a compression spring is arranged inside the fixing frame (1).

3. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the outer wall of the cooling pipe (12) is inserted with a driving pump (11), and the cooling pipe (12) is filled with glycol type cooling liquid.

4. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the bottom of the driving gear (4) is connected with a hydraulic motor through a spline.

5. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the contact (9) is connected with the adjusting bin (6) in a sliding mode, and the back end of the contact (9) is movably connected with a sensing base (14).

6. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the gear ring (8) is movably connected with the protective shell (2) through a limiting support (5), and the gear ring (8) is made of high-temperature-resistant plastic materials.

7. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the oil supply column (15) is communicated with the guide pipe (13) through a guide pipe, and lubricating oil is filled in the guide pipe (13).

8. A reducer with overload protection function for an in-mine hoisting device according to claim 1, characterized in that: the transmission gear (3) and the driving gear (4) as well as the driving gear (4) and the gear ring (8) are designed by adopting mutually meshed human-shaped teeth.

Technical Field

The invention relates to the technical field of mining speed reducers, in particular to a speed reducer with an overload protection function for an in-mine lifting device.

Background

The mine hoister is a main transport tool connecting underground and ground, is used for lifting personnel, materials, equipment, tools and the like below, and consists of a power system, a transmission system, a control operation system, an indication protection system and auxiliary parts thereof, wherein a speed reducer is used as one of core parts of a transmission device, and the stable operation of the speed reducer is the premise and guarantee of the safe operation of the hoister.

The traditional speed reducer of the mining lifting device has the following problems: 1. the transmission gears rub against each other to generate a large amount of heat during operation, and the transmission gears are in a high-temperature state for a long time, so that the service life of the speed reducer and the operation stability are influenced; 2. when the mining lifting device is in overload operation, the friction torque between the driving mechanism and the transmission gear is overlarge, so that the transmission gear is easy to deflect, and the running stability of the speed reducer is influenced; therefore, the speed reducer with the overload protection function for the mine hoisting device is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the speed reducer with the overload protection function for the mine hoisting device, which has the advantages of good heat dissipation effect, overload function and stable operation, and solves the problems of poor heat dissipation effect and no overload protection capability of the traditional mine hoisting device speed reducer.

(II) technical scheme

In order to achieve the purposes of good heat dissipation effect, overload function and stable operation, the invention provides the following technical scheme: the utility model provides a speed reducer that is used for hoisting device in ore deposit to have overload protection function, includes the mount, the looks remote site fixedly connected with protection casing of mount, the inside swing joint of protection casing has drive gear, drive gear's outer wall swing joint has the ring gear, the outer wall swing joint of ring gear has the telescopic link, the back of the body end swing joint of telescopic link has the contact, the outer wall swing joint of contact has the regulation storehouse, the front of protection casing is connected with the cooling tube, the inside fixedly connected with honeycomb duct of cooling tube, the inner wall fixedly connected with oil column of protection casing, the outer wall of oil column is pegged graft and is had high pressure nozzle.

Preferably, the fixing frame is tightly connected with the protection shell, and a compression spring is arranged inside the fixing frame.

Preferably, the outer wall of the cooling pipe is inserted with a driving pump, and the cooling pipe is filled with glycol type cooling liquid.

Preferably, the bottom of each driving gear is separately connected with a hydraulic motor through a spline.

Preferably, the contact is connected with the adjusting bin in a sliding manner, and the opposite ends of the contact are movably connected with the sensing base.

Preferably, the gear ring is movably connected with the protective shell through a limiting support, and the gear ring is made of high-temperature-resistant plastic materials.

Preferably, the oil supply column is communicated with the guide pipe through a guide pipe, and lubricating oil is filled in the guide pipe.

Preferably, the transmission gear and the driving gear, and the driving gear and the gear ring are designed by adopting mutually meshed human-shaped teeth.

(III) advantageous effects

Compared with the prior art, the invention provides a speed reducer with an overload protection function for an in-mine lifting device, which has the following beneficial effects:

1. this a speed reducer that is used for hoisting device in ore deposit to have overload protection function, take out the back through the oil feed post with the high temperature lubricating oil between drive gear and the drive gear and arrange in the water conservancy diversion pipe, lubricating oil flows clockwise in the water conservancy diversion pipe under the effect of driving pump, the ethylene glycol type coolant liquid in the cooling tube cools down along the lubricating oil of cooling tube anticlockwise rotation in the water conservancy diversion pipe, lubricating oil after the cooling transmits for high pressure nozzle through the oil feed post, high pressure nozzle sprays lubricating oil at drive gear and drive gear's outer wall, improve the area of contact of lubricating oil and air when lubricating it, further cool down lubricating oil and transmission, guarantee speed reducer steady operation.

2. This a speed reducer that is used for hoisting device in ore deposit to have overload protection function takes place the offset of minisphere through drive gear, drive gear extrudees the ring gear to the outside, the ring gear gives the telescopic link with pressure transmission, the telescopic link drives the contact and outwards slides along the surge bin and mesh with the sensing base, the hydraulic motor who links to each other with drive gear gets into the deceleration state, makes the slow stall of speed reducer, thereby avoid the long-time high load operation of speed reducer to cause inside to pass the function part damage and cause the incident.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the drive gear assembly of the present invention;

FIG. 3 is a schematic view of the construction of the surge bin assembly of the present invention;

FIG. 4 is a schematic view of the oil supply column assembly of the present invention;

FIG. 5 is a schematic view of a spacing bracket according to the present invention;

FIG. 6 is a schematic view of the structure of area A in FIG. 1 according to the present invention;

FIG. 7 is a schematic view of the structure of the area B in FIG. 3 according to the present invention.

In the figure: 1. a fixed mount; 2. a protective housing; 3. a transmission gear; 4. a drive gear; 5. a limiting bracket; 6. a regulating bin; 7. a high pressure spray head; 8. a ring gear; 9. a contact; 10. a telescopic rod; 11. driving the pump; 12. a cooling tube; 13. a flow guide pipe; 14. a sensing base; 15. and an oil supply column.

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. 1-7, a speed reducer with overload protection function for an in-mine lifting device comprises a fixed frame 1, the fixed frame 1 is tightly connected with a protection shell 2, a compression spring is arranged inside the fixed frame 1, the opposite end of the fixed frame 1 is fixedly connected with the protection shell 2, a transmission gear 3 is movably connected inside the protection shell 2, the transmission gear 3 and a driving gear 4, the driving gear 4 and a gear ring 8 are both designed by adopting mutually meshed human teeth, the outer wall of the transmission gear 3 is movably connected with the driving gear 4, the bottom of the driving gear 4 is separately connected with a hydraulic motor through a spline, the outer wall of the driving gear 4 is movably connected with the gear ring 8, the gear ring 8 and the protection shell 2 are movably connected through a limit bracket 5, the gear ring 8 is made of high temperature resistant plastic material, and the outer wall of, the end swing joint that carries on back of telescopic link 10 has contact 9, contact 9 is sliding connection with the connected mode of surge bin 6, the end swing joint that carries on back of contact 9 has sensing base 14, the outer wall swing joint of contact 9 has surge bin 6, the front of protection casing 2 is connected with cooling tube 12, the outer wall of cooling tube 12 is pegged graft and is had driving pump 11, the inside filling of cooling tube 12 has ethylene glycol type coolant liquid, the inside fixedly connected with honeycomb duct 13 of cooling tube 12, the inner wall fixedly connected with oil feed column 15 of protection casing 2, oil feed column 15 communicates with each other with honeycomb duct 13 through the pipe, honeycomb duct 13 intussuseption is filled with lubricating oil, oil feed column 15's outer wall is pegged graft and is had high pressure nozzle 7.

The working principle is that when in use, the protective shell 2 is arranged in the fixed frame 1, the compression spring is in a highly compressed state, the hydraulic motor independently connected with the driving gear 4 is started, the driving gear 4 rotates anticlockwise to drive the transmission gear 3 to rotate anticlockwise and the gear ring 8 rotates clockwise along the limiting bracket 5, the oil supply column 15 pumps high-temperature lubricating oil between the driving gear 4 and the transmission gear 3 and then discharges the high-temperature lubricating oil into the guide pipe 13, the lubricating oil flows clockwise in the guide pipe 13 under the action of the driving pump 11, meanwhile, glycol type cooling liquid in the cooling pipe 12 rotates anticlockwise along the cooling pipe 12 to cool the lubricating oil in the guide pipe 13, the cooled lubricating oil is transferred to the high-pressure spray head 7 through the oil supply column 15, the high-pressure spray head 7 sprays the lubricating oil on the outer walls of the driving gear 4 and the transmission gear 3, the contact area between the lubricating oil and air, further cool down lubricating oil and transmission, guarantee speed reducer steady operation, when the speed reducer is too big at the extrusion pressure degree of long-time overload work to inside drive gear 4, drive gear 4 takes place the offset of minizone, drive gear 4 extrudes ring gear 8 to the outside, ring gear 8 gives telescopic link 10 with pressure transfer, telescopic link 10 drives contact 9 and outwards slides along regulation storehouse 6 and meshes with sensing base 14, the hydraulic motor who links to each other with drive gear 4 gets into the deceleration state, make the slow stall of speed reducer, avoid the long-time high load operation of speed reducer to cause inside to pass the damage of power part, cause great incident.

In conclusion, according to the speed reducer with the overload protection function for the in-mine lifting device, high-temperature lubricating oil between the driving gear 4 and the transmission gear 3 is pumped out through the oil supply column 15 and then discharged into the flow guide pipe 13, the lubricating oil flows clockwise in the flow guide pipe 13 under the action of the driving pump 11, the glycol type cooling liquid in the cooling pipe 12 rotates anticlockwise along the cooling pipe 12 to cool the lubricating oil in the flow guide pipe 13, the cooled lubricating oil is transmitted to the high-pressure nozzle 7 through the oil supply column 15, the high-pressure nozzle 7 sprays the lubricating oil on the outer walls of the driving gear 4 and the transmission gear 3, the contact area between the lubricating oil and air is increased while the lubricating oil is lubricated, the lubricating oil and the transmission gear are further cooled, and the stable operation of the speed reducer is guaranteed; the small-range deviation occurs through the driving gear 4, the gear ring 8 is extruded to the outer side by the driving gear 4, the gear ring 8 transmits the pressure to the telescopic rod 10, the telescopic rod 10 drives the contact 9 to slide outwards along the adjusting bin 6 to be meshed with the sensing base 14, the hydraulic motor connected with the driving gear 4 enters a speed reduction state to enable the speed reducer to stop running slowly, and therefore the safety accident caused by damage of internal power transmission parts due to long-time high-load operation of the speed reducer is avoided.

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