Self-lubricating helical gear speed reducer

Abstract

According to the self-lubricating type helical gear speed reducer, the lubricating unit is utilized, in the running process of the gear, lubricating liquid at the bottom of the shell is pumped through the water pump and conveyed into the liquid storage tank from the pipe body, at the moment, the lubricating liquid makes contact with the impeller, and when the first helical gear rotates, the impeller is driven to rotate through the connecting rod; and certain lubricating liquid flows to the second bevel gear from the liquid storage opening for lubrication, so that the lubricating effect on the gear is improved. According to the self-lubricating type helical gear speed reducer, the lubricating unit is utilized, in the running process of the gear, lubricating liquid at the bottom of the shell is pumped through the water pump and conveyed into the liquid storage tank from the pipe body, at the moment, the lubricating liquid makes contact with the impeller, and when the first helical gear rotates, the impeller is driven to rotate through the connecting rod; and certain lubricating liquid flows to the second bevel gear from the liquid storage opening for lubrication, so that the lubricating effect on the gear is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reducer technical field, concretely relates to a self -lubricating helical gear reducer. BACKGROUND

[0002] The reducer is a kind of mechanical transmission device, commonly arranged between prime mover and working machine, to form the transmission system with the effect of reducing speed, multiple helical gears are arranged in the reducer, to reduce the wear of helical gear, it is often necessary to add lubricating liquid in the reducer, to improve the transmission effect of reducer, in the transmission process of existing reducer, since the lubricating liquid is often placed in the shell of reducer, the helical gear at bottom needs to rotate and pass lubricating liquid to other helical gears, to complete lubrication, but as the long-time operation of reducer, the liquid level of lubricating liquid gradually reduces, the position of helical gear contacting lubricating liquid is limited, and the temperature in the reducer increases, which affects the transmission effect of reducer. SUMMARY

[0003] The utility model aims at solving the problem of insufficient lubrication of helical gear for the above-mentioned problems existing in prior art.

[0004] In order to realize the above-mentioned purpose, the utility model can realize through the following technical schemes: a self-lubricating helical gear reducer, comprising:

[0005] The reducer box comprises a shell and an upper cover covering the shell, and the first helical gear and the second helical gear are sequentially arranged in the shell and engaged with each other.

[0006] The lubricating unit is arranged on the shell, and the lubricating unit comprises a water pump, a liquid storage tank and a liquid adding box, a pipe body is arranged between the water pump and the liquid storage tank, and a flow guide pipe is arranged between the liquid adding box and the liquid storage tank, the liquid adding box has a liquid outlet, and the liquid outlet faces the second helical gear.

[0007] The liquid adding box is provided with an impeller, the impeller is provided with a rotating disc, and the rotating disc is provided with a connecting rod matched with the first helical gear.

[0008] In the utility model embodiment, the liquid adding box is provided with an arc portion matched with the impeller, and the arc portion is connected with the liquid outlet.

[0009] In the utility model embodiment, the first helical gear is provided with a first output rod at the shaft center, the end of the first output rod is provided with a round cover, one end of the connecting rod is arranged at the eccentric position of the round cover, and the other end of the connecting rod is arranged at the eccentric position of the rotating disc.

[0010] The both ends of the connecting rod are fixed at eccentric positions of the rotary disc and the circular cover respectively, and the eccentric distances and directions of the both ends of the connecting rod are consistent.

[0011] The utility model discloses an embodiment that the shell has a liquid storage cavity, an inclined part is arranged on the liquid storage cavity, a filter cartridge is arranged on the water pump, and the filter cartridge is connected to the inclined part.

[0012] An embodiment of the utility model discloses that the filter cartridge is clamped with a first filter core.

[0013] An embodiment of the utility model discloses that the lubricating unit further includes a supporting block and a supporting seat arranged on the supporting block, the supporting seat is fixed on the shell, the flow guide pipe is clamped in the supporting seat, and both ends thereof are communicated with the liquid adding box and the supporting block respectively, and the liquid storage tank is fixed on the supporting block.

[0014] An embodiment of the utility model discloses that the liquid storage tank is clamped with a second filter core.

[0015] An embodiment of the utility model discloses that the shell is provided with a tube sleeve, and the tube sleeve cooperates with the tube body.

[0016] An embodiment of the utility model discloses that the upper cover is clamped with a cover plate, and an observation window is arranged at the shaft center of the cover plate.

[0017] Compared with the prior art, the application has the advantages that the lubricating unit is utilized, in the process of gear operation, the lubricating liquid at the bottom of the shell is pumped out from the tube body into the liquid storage tank by the water pump, at this time, the lubricating liquid contacts the impeller, the first helical gear rotates and drives the impeller to rotate through the connecting rod, so that a certain amount of lubricating liquid flows from the liquid storage opening to the second helical gear to be lubricated, thereby improving the lubricating effect on the gear. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the overall structure.

[0019] Figure 2 It is a schematic view of the split structure of the upper cover and the shell in the reduction gearbox.

[0020] Figure 3 It is a schematic view of the half-section plane of the reduction gearbox.

[0021] Figure 4 It is Figure 3 An enlarged view of the A part in the figure.

[0022] Explanation of reference signs:

[0023] 1, drive motor; 2, lubricating unit; 21, water pump; 210, filter cartridge; 211, first filter element; 22, bundle pipe sleeve; 23, pipe body; 24, support block; 25, liquid storage tank; 251, second filter element; 26, connecting rod; 27, support seat; 28, flow guide pipe; 29, liquid adding box; 291, rotating disc; 292, arc portion; 293, impeller; 294, liquid outlet; 3, reduction box; 30, shell; 31, first helical gear; 32, cover plate; 34, upper cover; 35, second helical gear; 36, inclined portion; 4, first output rod; 5, second output rod; 51, round cover. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present application and in combination with the drawings, the technical scheme of the present application is further described.

[0025] As shown in the drawings, a self-lubricating helical gear reducer, comprising: Figures 1-4 The reduction box 3 comprises a shell 30 and an upper cover 34 covering the shell 30, and the first helical gear 31 and the second helical gear 35 are arranged in the shell 30 in sequence.

[0026] The lubricating unit 2 is arranged on the shell 30, and the lubricating unit 2 comprises a water pump 21, a liquid storage tank 25 and a liquid adding box 29, the water pump 21 and the liquid storage tank 25 are provided with a pipe body 23, and the liquid adding box 29 and the liquid storage tank are provided with a flow guide pipe 28, the liquid adding box 29 has a liquid outlet 294, and the liquid outlet 294 faces the second helical gear 35.

[0027] The liquid adding box 29 is provided with an impeller 293, the impeller 293 is provided with a rotating disc 291, and the rotating disc 291 is provided with a connecting rod 26 matched with the first helical gear 31.

[0028]

[0029] ​Specifically, the reduction gearbox 3 has a liquid storage cavity, and the lubricating liquid is stored in the liquid storage cavity, when the reduction gearbox 3 is running, the gear teeth of the second helical gear 35 will drive the lubricating liquid in the liquid storage cavity to contact the first helical gear 31, so as to play a lubricating and cooling effect on the two helical gears, but after long running, the liquid level of the liquid storage cavity is reduced, so that the second helical gear 35 cannot contact the lubricating liquid, at this time, the water pump 21 in the lubricating unit 2 runs, and the lubricating liquid is transported to the liquid storage tank 25 through the pipe body 23, and the lubricating liquid is contacted with the impeller 293 by the liquid storage tank 25, when the first helical gear 31 is static, the liquid outlet box 29 is in a non-liquid outlet state, and when the first helical gear 31 is running, the connecting rod 26 drives the impeller 293 to rotate, at this time, the lubricating liquid is contacted with the gear teeth of the second helical gear 35 under the pushing of the impeller 293, so as to cool and lubricate the gear, further, the number of blades of the impeller 293 is at least six, and the end of the blade is provided with a rubber sleeve, the rubber sleeve is attached to the inside of the liquid outlet box 29, one side of the reduction gearbox 3 is provided with a driving motor 1, the driving motor 1 drives the first helical gear 31 and the second helical gear 35 to rotate, so as to drive the external equipment by the second output rod 5.

[0030] As further provided in the embodiments of the utility model, the liquid outlet box 29 is provided with an arc-shaped part 292 matched with the impeller 293, the arc-shaped part 292 is connected with the liquid outlet 294, the arc-shaped part 292 is symmetrically arranged in the liquid outlet box 29 and attached to the rubber sleeve of the blade, so as to improve the conveying and sealing effect of the lubricating liquid.

[0031] As further provided in the embodiments of the utility model, the first helical gear 31 is provided with the first output rod 4 at the shaft center, the end of the first output rod 4 is provided with a round cover 51, one end of the connecting rod 26 is arranged at the eccentric position of the round cover 51, and the other end is arranged at the eccentric position of the rotating disc 291, the second output rod 5 is arranged at the shaft center of the second helical gear 35, when the first helical gear 31 meshes with the second helical gear 35 to rotate, the connecting rod 26 on the round cover 51 drives the rotating disc 291 to rotate, that is, drives the impeller 293 to rotate.

[0032] As further provided in the embodiments of the utility model, the two ends of the connecting rod 26 are respectively fixed at the eccentric positions of the rotating disc 291 and the round cover 51, and the eccentric distances and directions of the two ends of the connecting rod 26 are consistent, the eccentric distance of the connecting rod 26 fixed to the rotating disc 291 or the round cover 51 can be changed, but the eccentric distance and direction of the two should be consistent.

[0033] As a further provided embodiment of the utility model, the shell 30 has a liquid storage cavity, an inclined part 36 is arranged on the liquid storage cavity, a filter cartridge 210 is arranged on the water pump 21, the filter cartridge 210 is connected to the inclined part 36, the liquid storage cavity is used for storing lubricating liquid, when the water pump 21 operates, the lubricating liquid flows into the filter cartridge 210 along the inclined part 36 to be filtered, and the filtered lubricating liquid flows into the liquid storage tank 25 through the pipe body 23.

[0034] As a further provided embodiment of the utility model, the filter cartridge 210 is clamped with a first filter core 211, after the reduction gearbox 3 operates for a period of time, the filter cartridge 210 can be disassembled to replace the first filter core 211.

[0035] As a further provided embodiment of the utility model, the lubricating unit 2 further comprises a support block 24 and a support seat 27 arranged on the support block 24, the support seat 27 is fixed to the shell 30, the flow guide pipe 28 is clamped in the support seat 27, and the two ends thereof are respectively communicated with the liquid adding box 29 and the support block 24, the liquid storage tank 25 is fixed to the support block 24, the support block 24 is used for supporting the liquid storage tank 25 to make the liquid storage tank 25 in a vertical state, so that the lubricating liquid in the liquid storage tank 25 enters the liquid adding box 29 through the flow guide pipe 28, and the support block 24 is fixed to one side of the shell 30 through the support seat 27.

[0036] As a further provided embodiment of the utility model, the liquid storage tank 25 is clamped with a second filter core 251, after the liquid storage tank 25 operates for a long period of time, the liquid storage tank 25 can be separated from the support block 24 to replace the second filter core 251.

[0037] As a further provided embodiment of the utility model, the shell 30 is provided with a pipe sleeve 22, the pipe sleeve 22 cooperates with the pipe body 23, supports the pipe body 23 through the pipe sleeve 22, improves the liquid conveying stability of the pipe body 23, and simultaneously protects the pipe body 23, reduces resonance between the driving motor 1 and the pipe body 23 when the driving motor 1 operates, and makes the connection of the pipe body 23 loose.

[0038] As a further provided embodiment of the utility model, the upper cover 34 is clamped with a cover plate 32, an observation window is arranged at the axis of the cover plate 32, the observation window is made of transparent plastic, and the cover plate 32 is separated from the upper cover 34, so that the parts on the first helical gear 31 can be maintained or replaced.

[0039] The above technical scheme of the utility model provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, and will not be described herein.

[0040] The technical solutions in the above embodiments have clearly and completely described the content of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

Claims

1. A self-lubricating helical gear reducer characterized by, The utility model provides a lubricating unit of speed reducer, including: The speed reducer comprises a shell and an upper cover covering the shell, and a first helical gear and a second helical gear are sequentially arranged in the shell and engaged with each other; The lubricating unit is arranged on the shell and comprises a water pump, a liquid storage tank and a liquid adding box, the water pump is fixed to the bottom of the shell, a pipe body connected with the liquid storage tank is arranged on the water pump, a flow guide pipe is arranged between the liquid storage tank and the liquid adding box, the liquid adding box is provided with a liquid outlet, and the liquid outlet faces the second helical gear; A impeller is arranged in the liquid adding box, the impeller is provided with a rotating disc, and the rotating disc is provided with a connecting rod matched with the first helical gear.

2. The self-lubricating helical gear reducer according to claim 1, characterized by An arc-shaped part matched with the impeller is arranged in the liquid adding box, and the arc-shaped part is connected with the liquid outlet.

3. The self-lubricating helical gear reducer according to claim 1, characterized in that, A first output rod is arranged at the shaft center of the first helical gear, the end of the first output rod is provided with a round cover, one end of the connecting rod is arranged at the eccentric position of the round cover, and the other end of the connecting rod is arranged at the eccentric position of the rotating disc.

4. The self-lubricating helical gear speed reducer according to claim 3, characterized in that, The two ends of the connecting rod are fixed to the eccentric positions of the rotating disc and the round cover respectively, and the eccentric distances and directions of the two ends of the connecting rod are consistent.

5. The self-lubricating helical gear reducer according to claim 1, wherein The shell is provided with a liquid storage cavity, the liquid storage cavity is provided with an inclined part, a filter cartridge is arranged on the water pump, and the filter cartridge is connected to the inclined part.

6. A self-lubricating helical gear speed reducer according to claim 5, characterized in that, A first filter element is clamped in the filter cartridge.

7. The self-lubricating helical gear reducer according to claim 1, wherein The lubricating unit further comprises a support block and a support seat arranged on the support block, the support seat is fixed to the shell, the flow guide pipe is clamped in the support seat, and the two ends of the flow guide pipe are respectively connected to the liquid adding box and the support block, and the liquid storage tank is fixed to the support block.

8. The self-lubricating helical gear reducer according to claim 7, characterized by A second filter element is clamped on the liquid storage tank.

9. The self-lubricating helical gear reducer of claim 1, wherein, A tube sleeve is arranged on the shell and matched with the pipe body.

10. The self-lubricating helical gear reducer of claim 1, wherein, A cover plate is clamped on the upper cover, and an observation window is arranged at the shaft center of the cover plate.

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