CN212028487U

CN212028487U - Worm gear speed reducer with self-cooling function

Info

Publication number: CN212028487U
Application number: CN201922252837.6U
Authority: CN
Inventors: 王岁
Original assignee: 王岁
Current assignee: Changzhou double ball Motor Co.,Ltd.
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-11-27
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a worm gear speed reducer who possesses realization oneself and reduce heat relates to speed reducer technical field, has solved current speed reducer, because the turbine is mostly put high installation and can not soak in the lubricating oil of casing bottom, causes the heat that the turbine meshing produced to can not obtain the abundant refrigerated problem of lubricating oil. The utility model provides a possess worm gear speed reducer who realizes oneself and reduce heat, includes speed reducer housing and synchronous frame, controls two rows the telescopic inboard of suction all supports the welding and leads oil pipe in a department's intercommunication, and equal symmetrical welding has the L form oil spout pole that two departments upwards supported on this two departments intercommunication leads oil pipe, and all communicates on the horizontal section in bottom of L form oil spout pole and install a check valve. The utility model provides a two equal diameter cam mechanism has been constituteed jointly to two cams, two top wheels and two synchronous frames, can utilize the rolling force of scroll bar to carry out reciprocal drive from top to bottom to two rows of piston rods through this two equal diameter cam mechanism.

Description

Worm gear speed reducer with self-cooling function

Technical Field

The utility model relates to a speed reducer equipment technical field specifically is a worm gear speed reducer who possesses realization oneself and reduce heat.

Background

The worm gear speed reducer is a speed converter which uses a worm gear mechanism to transmit motion and power between two staggered shafts, and is a special type of gear structure application. Because the relative sliding speed between the teeth of the meshing wheel is high, the friction loss is high, the transmission efficiency is low, and the phenomena of heating and overhigh temperature rise are easy to occur. Once the temperature of the gear oil exceeds 80 ℃, the gear oil becomes thin and leaks, and further, the speed reducer cannot be sufficiently lubricated. In addition, when the gear oil is used, the temperature is increased to the temperature which is stopped to use, the temperature difference is too large after the temperature is reduced, condensed water and the oil can be mixed, the gear oil in the speed reducer can be emulsified in the past for a long time, and a bearing is rusted, corroded and damaged. Therefore, the worm gear speed reducer needs to be cooled in the use process, the temperature difference is reduced as much as possible, and the normal use of the speed reducer is prevented from being influenced by the dilution and emulsification of gear oil.

For example, patent No. CN201821620656.3 discloses a worm gear reducer with a cooling device, which has a box body; the box sealing connection has oil pipe, and oil pipe and the inner chamber of box constitute "mouth" font return circuit, oil pipe connection is led and is equipped with miniature direct current pump, box right side center is equipped with radiator fan, sealing connection has the cooler on the oil pipe of leading of the perpendicular on radiator fan right side, oil pipe of leading of the upside right side of box is connected with the filtration filter core, the below of the miniature direct current pump at box upside center is equipped with the magnetic force pipe. The utility model circularly cools the gear oil in the cooler through the micro straight-flow pump, and the cooling fan is arranged to synchronously cool the box body and the cooler, thereby effectively reducing the temperature difference with the environment and being suitable for long-time work; through filtering filth and the last adsorption filtration of metal bits in filter core and the magnetic force pipe in to the gear oil of circulation, the life of extension gear oil reduces long-term operation cost.

The existing speed reducer is not soaked in lubricating oil at the bottom of the shell due to the fact that the turbine is mostly arranged at a high position, heat generated by turbine meshing cannot be sufficiently cooled by the lubricating oil, the temperature of the turbine and the temperature of the whole speed reducer rise, the cooling effect is poor, an external oil pump is mostly adopted to carry out circulating cooling on the lubricating oil, and the external oil pump is high in purchasing cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a worm gear speed reducer who possesses realization oneself and fall heat to propose in solving above-mentioned background art because the turbine is mostly all put high installation can not soak in the lubricating oil of casing bottom, the heat that causes the turbine meshing to produce can not obtain the abundant cooling of lubricating oil, cause the temperature of turbine and whole speed reducer temperature to rise, the cooling effect is not good enough, all adopt external oil pump to circulate cooling to lubricating oil in addition, the higher problem of external oil pump purchase cost.

In order to achieve the above object, the utility model provides a following technical scheme: a worm gear speed reducer with self-heat reduction function comprises a speed reducer shell and a synchronous frame, wherein a scroll rod is rotatably arranged at the bottom side of the inner space of the speed reducer shell; the left side and the right side of the bottom plate on the inner side of the speed reducer shell are symmetrically supported and locked with four vertical support positioning shafts, and four suction sleeves are arranged and welded on the bottom plate at the middle position of the left vertical support positioning shaft and the right vertical support positioning shaft at equal distances; the inner sides of the left row of the suction sleeves and the right row of the suction sleeves are respectively supported and welded with a communicating oil guide pipe, the two communicating oil guide pipes are respectively symmetrically welded with two upwards supported L-shaped oil spray rods, and the transverse sections at the bottoms of the L-shaped oil spray rods are respectively communicated and provided with a check valve; the two synchronous frames are symmetrically arranged on the four vertical support positioning shafts in a sliding way.

Preferably, the worm comprises a worm rotating shaft and a cam, the worm rotating shaft penetrates through the center of the worm, the worm rotating shaft is rotatably installed on the left side wall and the right side wall of the reducer shell through bearings, and the cam is welded on the left end section and the right end section of the worm in a sleeved mode.

Preferably, the synchronous frame comprises a piston rod and top wheels, two top wheels are supported at the top end of the synchronous frame and the middle of the side rod at the bottom in a vertically symmetrical manner, and the piston rods supported downwards at four positions are welded on the side rods at the bottom of the synchronous frame in a arranged manner.

Preferably, the two cams are correspondingly and rotatably positioned at the middle position of the two synchronous frames and are in contact with the rotating top rollers of the left and right groups of cams.

Preferably, the upper half sections of the four L-shaped oil spray rods are symmetrically arranged on the left side and the right side of the turbine in a close-up mode, and a row of spray holes are formed in the inner sides of the upper half sections of the four L-shaped oil spray rods in a penetrating mode.

Preferably, the left row and the right row of piston rods are correspondingly matched with the left row and the right row of suction sleeves in a sliding insertion manner, the backs of the two rows of piston rods are also supported and welded with a communicated oil guide pipe, the middle oil inlets at the top ends of the two back oil guide pipes are respectively communicated with and provided with a check valve, and the two back check valves and the two inner side check valves have opposite stopping directions correspondingly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two cams, the two top wheels and the two synchronous frames form two equal-diameter cam mechanisms together, and the two equal-diameter cam mechanisms can utilize the rolling force of the scroll rods to drive the two rows of piston rods to reciprocate up and down;

2. the utility model discloses a two rows of piston rods have constituteed two rows of piston suction mechanisms with two rows of suction sleeves jointly, can pressurize the lubricating oil suction of bottom and through the orifice on the L form fuel injection pole of two places through two rows of piston suction mechanisms of this, spray on the turbine, cool off the turbine, effectively reduced the bulk temperature of speed reducer, it is respond well to heat reduction.

3. The utility model discloses a cooperation is used jointly to isometric cam drive part and piston suction part, has realized the function of oil pump, but compares in additionally purchasing the oil pump of installation, and the structure is simpler, the advantage that the manufacturing cost is lower.

Drawings

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

FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;

FIG. 3 is a schematic diagram of a semi-sectional three-dimensional structure of the speed reducer housing of the present invention;

FIG. 4 is a schematic diagram of the three-dimensional structure of the synchronous frame of the present invention;

fig. 5 is a schematic diagram of the rolling cooperation between the cam and the top wheel of the present invention.

In the figure: 1. a speed reducer housing; 2. a scroll bar; 201. a scroll shaft; 202. a cam; 3. a vertical supporting positioning shaft; 4. an L-shaped oil spray rod; 5. a synchronization frame; 501. a piston rod; 502. a top wheel; 6. a check valve; 7. a suction sleeve.

Detailed Description

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

Referring to fig. 1 to 5, the present invention provides an embodiment: a worm gear speed reducer with the function of realizing self-cooling comprises a speed reducer shell 1 and a synchronous frame 5, wherein a scroll rod 2 is rotatably arranged at the bottom side of the inner space of the speed reducer shell 1; the worm 2 comprises a worm rotating shaft 201 and a cam 202, the worm rotating shaft 201 is arranged at the center of the worm 2 in a penetrating manner, the worm rotating shaft 201 is rotatably arranged on the left side wall and the right side wall of the speed reducer shell 1 in a penetrating manner through bearings, and the cam 202 is sleeved and welded at the left end section and the right end section of the worm 2; four vertical support positioning shafts 3 are symmetrically supported and locked at the left side and the right side of the bottom plate at the inner side of the speed reducer shell 1, and four suction sleeves 7 are arranged and welded on the bottom plate at the middle position of the left vertical support positioning shaft 3 and the right vertical support positioning shaft 3 at equal intervals; the inner sides of the left and right rows of suction sleeves 7 are respectively supported and welded with a communicating oil guide pipe, the two communicating oil guide pipes are respectively symmetrically welded with two upwards supported L-shaped oil injection rods 4, and the transverse sections at the bottoms of the L-shaped oil injection rods 4 are respectively communicated and installed with a check valve 6; furthermore, the upper half sections of the four L-shaped fuel injection rods 4 are symmetrically close to the left side and the right side of the turbine, and the inner sides of the upper half sections of the four L-shaped fuel injection rods 4 are provided with a row of spray holes in a penetrating and arranging manner; two synchronous frames 5 are bilateral symmetry sliding sleeves and are arranged on four vertical supporting positioning shafts 3, each synchronous frame 5 comprises a piston rod 501 and a top wheel 502, the tops of the two synchronous frames 5 and the middle of a bottom side rod are supported by the two top wheels 502 in a vertical symmetry manner, the piston rods 501 supported downwards in four positions are welded on the bottom side rods of the two synchronous frames 5, and the two synchronous frames 5 provide convenience for supporting and installing the two rows of piston rods 501 and the two top wheels 502.

Further, the two cams 202 are correspondingly and rotatably located in the middle of the two synchronizing frames 5 and are in rolling contact with the left and right sets of cams 202, the two top wheels 502 and the two synchronizing frames 5 jointly form two equal-diameter cam mechanisms, and the two equal-diameter cam mechanisms can utilize the rolling force of the scroll rods 2 to drive the two rows of piston rods 501 up and down in a reciprocating manner.

Further, the left and right rows of piston rods 501 are correspondingly matched with the left and right rows of suction sleeves 7 in a sliding insertion manner, the backs of the two rows of piston rods 501 are also supported and welded with a communicated oil guide pipe, the middle oil inlets at the top ends of the two back oil guide pipes are respectively communicated with and provided with a check valve 6, the stop directions of the two back check valves 6 and the two inner side check valves 6 are correspondingly opposite, the two rows of piston rods 501 and the two rows of suction sleeves 7 jointly form a two-row piston suction mechanism, lubricating oil at the bottom can be sucked and pressurized through the two rows of piston suction mechanisms and is sprayed onto a turbine through spray holes in the two L-shaped oil injection rods 4, the turbine is cooled, the overall temperature of the speed reducer is effectively reduced, and the heat reducing effect is good.

The working principle is as follows: when the lubricating oil pumping device is used, the two cams 202 driven by the rotation of the worm rod rotating shaft 201 can push the two synchronous frames 5 to slide up and down in a reciprocating manner, so that the two rows of piston rods 501 are matched with the two rows of pumping sleeves 7 in a pumping and inserting manner, and the lubricating oil at the bottom is pumped, pressurized and sprayed to the front surface and the rear surface of the turbine to cool.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a possess worm gear speed reducer machine that realizes oneself heat reduction which characterized in that: the device comprises a speed reducer shell (1) and a synchronous frame (5), wherein a scroll rod (2) is rotatably arranged at the bottom side of the inner space of the speed reducer shell (1); the left side and the right side of the bottom plate on the inner side of the speed reducer shell (1) are symmetrically supported and locked with four vertical support positioning shafts (3), and four suction sleeves (7) are arranged and welded on the bottom plate at the middle position of the left vertical support positioning shaft and the right vertical support positioning shaft (3) at equal intervals; the inner sides of the left row of the suction sleeves (7) and the right row of the suction sleeves (7) are respectively supported and welded with a communication oil guide pipe, the two communication oil guide pipes are respectively symmetrically welded with two upwards-supported L-shaped oil spray rods (4), and the transverse sections at the bottoms of the L-shaped oil spray rods (4) are respectively communicated and provided with a check valve (6); the two synchronous frames (5) are symmetrically arranged on the four vertical support positioning shafts (3) in a sliding way.

2. The worm gear reducer with self-cooling function according to claim 1, characterized in that: the worm (2) comprises a worm rotating shaft (201) and a cam (202), the worm rotating shaft (201) is arranged at the center of the worm (2) in a penetrating mode, the worm rotating shaft (201) is rotatably arranged on the left side wall and the right side wall of the speed reducer shell (1) in a penetrating mode through a bearing, and the cam (202) is welded on the left end section and the right end section of the worm (2) in a sleeved mode.

3. The worm gear reducer with self-cooling function according to claim 1, characterized in that: the synchronous frame (5) comprises a piston rod (501) and top wheels (502), the top ends of the two synchronous frames (5) and the middle of the side rod at the bottom are supported by the top wheels (502) in a vertically symmetrical mode, and the piston rods (501) which are supported downwards at four positions are welded on the side rods at the bottom of the two synchronous frames (5).

4. The worm gear reducer with self-cooling function according to claim 2, characterized in that: the two cams (202) are correspondingly and rotatably positioned at the middle position of the two synchronous frames (5) and are in rolling contact with the left and right groups of cams (202).

5. The worm gear reducer with self-cooling function according to claim 1, characterized in that: the upper half sections of the L-shaped oil spray rods (4) are symmetrically close to the left side and the right side of the turbine, and the inner sides of the upper half sections of the L-shaped oil spray rods (4) are provided with a row of spray holes in a penetrating and arranging mode.

6. The worm gear reducer with self-cooling function according to claim 3, characterized in that: control two rows piston rod (501) correspond with control two rows suction sleeve (7) and slide to insert the cooperation, and two rows piston rod (501) back also all supports the welding and has a department to communicate to lead oil pipe, all communicates on the oil inlet in the middle of this two places back leads the top of oil pipe and installs a check valve (6), and the direction correspondence of ending of this two places back check valve (6) and two inboard check valves (6) is opposite.