CN217761985U

CN217761985U - Worm gear speed reducer structure

Info

Publication number: CN217761985U
Application number: CN202221538713.XU
Authority: CN
Inventors: 郑晨跃; 陈小坤; 庄燕辉; 谢德平; 杨正华; 任希斐
Original assignee: Antwell Forklift Truck Attachment Zhangzhou Co ltd
Current assignee: Antwell Forklift Truck Attachment Zhangzhou Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-08
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a worm gear speed reducer structure relates to the speed reducer field, the utility model discloses a casing, the back of casing is provided with the apron, and the gear shaft is installed through the bearing in the inside of casing, and the gear is installed through the end cover to the one end of gear shaft, and the surface of gear shaft is provided with the worm wheel, and is provided with the parallel key between gear and the gear shaft, and hydraulic motor is installed to one side of casing, and hydraulic motor's output is connected with the worm, the utility model discloses a be provided with end cover and parallel key, the parallel key cuts off earlier when overloading seriously to the protection gear is difficult for leading to the gear to collapse because of overloading, has improved the life of speed reducer greatly, and secondly, the gear passes through the end cover and is spacing fixed with the gear shaft, but convenient to detach when the gear needs to be changed, has improved maintenance efficiency, has reduced cost of maintenance.

Description

Worm gear speed reducer structure

Technical Field

The utility model relates to a speed reducer field specifically is worm gear speed reducer structure.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear and worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine.

Traditional speed reducer is if overload when serious in the use, the pinion collapses easily, and life is short, and pinion shaft on the traditional speed reducer are integrated into one piece and come out, be not convenient for change the pinion, can only change pinion and pinion shaft in the lump, this has increased use cost undoubtedly, and the difficulty is opened to the lubricating oil filler of current most of speed reducers, lead to the staff to the interpolation difficulty of the inside lubricating oil of speed reducer, and some lubricating oil is because deposit improper, not sealed to lubricating oil, and then can float into impurity, can't guarantee the clean degree of lubricating oil when adding lubricating oil, certain adverse effect has been brought for speed reducer in-service use.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a worm gear speed reducer structure to solve life weak point, be inconvenient for change and lubricating oil and add the technical problem who annotates the difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: worm gear reducer structure, which comprises a housin, the back of casing is provided with the apron, the gear shaft is installed through the bearing in the inside of casing, the gear is installed through the end cover to the one end of gear shaft, the surface of gear shaft is provided with the worm wheel, just be provided with the parallel key between gear and the gear shaft, hydraulic motor is installed to one side of casing, hydraulic motor's output is connected with the worm, the top of casing is provided with lubricating assembly, lubricating assembly is including oil tank and two-way lead screw.

Furthermore, the surface of two-way lead screw has cup jointed the thread bush, one side of thread bush is fixed with the stripper plate, the bottom of oil tank is connected with out oil pipe, the bottom intercommunication of going out oil pipe has branch oil pipe, the top of oil tank is provided with mends the hydraulic fluid port, the inside of oil tank is provided with the oil absorption layer.

Through adopting above-mentioned technical scheme, can save in the oil absorption layer through the lubricating oil of mending the interior joining of oil port to the oil absorption layer can filter lubricating oil, when needs add injection lubricating oil, the staff changes the two-way lead screw of rudder, makes this the thread bush drive the stripper plate and extrudees the oil absorption layer, and then makes lubricating oil evenly drip through going out oil pipe and oil distribution pipe and scribble on the worm wheel.

Furthermore, one end of the bidirectional screw rod is provided with a knob, and the outer surface of the knob is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, the staff makes two-way lead screw rotate more convenient through the knob, and the frictional force of knob has been improved to the antiskid line.

Furthermore, the section view of oil distribution pipe is the arc, and its bottom equidistance is provided with a plurality of oil outlets.

Through adopting above-mentioned technical scheme, be convenient for with the even quick distribution of lubricating oil on the worm wheel for lubricating oil adds annotates more conveniently.

Furthermore, the top and the bottom edge of the shell are provided with mounting lugs, and the mounting lugs and the shell are manufactured in an integrated manner.

Through adopting above-mentioned technical scheme, the speed reducer that the installation ear can be dead is more convenient when fixed, and integrated into one piece makes the production degree of difficulty littleer, and efficiency is higher with higher speed.

Furthermore, the oil absorption layer is positioned on the inner sides of the two groups of extrusion plates and is made of sponge materials.

Through adopting above-mentioned technical scheme, two sets of stripper plates can extrude inhaling the oil reservoir simultaneously, and the sponge material oil reserve is good, and can filter lubricating oil.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses through being provided with end cover and flat key, the flat key is sheared earlier when the overload is serious, thereby the protection gear is difficult for leading to the gear to collapse because of the overload, has improved the life of speed reducer greatly, secondly, the gear is spacing fixed through end cover and gear shaft, can be convenient for dismantle when the gear needs to be changed, has improved maintenance efficiency, has reduced cost of maintenance;

2. the utility model discloses a be provided with lubricating component, if need lubricate the worm wheel, make the worm wheel of speed reducer in operating condition earlier, then the staff rotates two-way lead screw, and then make two sets of thread bush opposite directions move to make the stripper plate extrude the oil-suction layer, and then make the intraformational lubricating oil of oil suction enter into the branch oil pipe through the oil pipe, drop lubricating oil on the worm wheel by the oil outlet nozzle on the branch oil pipe again, and because the worm wheel is rotating condition, make lubricating oil distribute more evenly on the worm wheel like this; and when filling lubricating oil, the oil absorption layer can filter the impurity in the lubricating oil, and then can avoid the impurity in the lubrication to enter into the speed reducer and cause harmful effects to the speed reducer.

Drawings

Fig. 1 is a schematic view of the front structure of the housing of the present invention;

FIG. 2 is a schematic view of the back structure of the housing of the present invention;

FIG. 3 is a schematic view of a worm wheel front cut structure of the present invention;

FIG. 4 is a schematic view of a worm wheel of the present invention;

fig. 5 is the utility model discloses an oil tank cuts open structure schematic diagram down.

In the figure: 1. a housing; 2. a cover plate; 3. a gear shaft; 4. a flat bond; 5. an end cap; 6. a bearing; 7. a hydraulic motor; 8. a worm gear; 9. a worm; 10. a gear; 11. a lubrication assembly; 1101. an oil tank; 1102. an oil supplementing port; 1103. a knob; 1104. an oil-absorbing layer; 1105. a bidirectional screw rod; 1106. a threaded sleeve; 1107. a pressing plate; 1108. an oil outlet pipe; 1109. an oil distributing pipe; 12. and (5) mounting the lug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A worm and gear speed reducer structure is shown in figures 1-5 and comprises a shell 1, a cover plate 2 is arranged on the back of the shell 1, mounting lugs 12 are arranged at the edge positions of the top and the bottom of the shell 1, the mounting lugs 12 and the shell 1 are manufactured in an integrated manner, the speed reducer with the capability of being fixed by the mounting lugs 12 is more convenient to fix, the integrated manner ensures that the production difficulty is lower, the acceleration efficiency is higher, a gear shaft 3 is mounted in the shell 1 through a bearing 6, a gear 10 is mounted at one end of the gear shaft 3 through an end cover 5, a worm wheel 8 is arranged on the outer surface of the gear shaft 3, a flat key 4 is arranged between the gear 10 and the gear shaft 3, a hydraulic motor 7 is mounted at one side of the shell 1, a worm 9 is connected to the output end of the hydraulic motor 7, and a lubricating component 11 is arranged at the top of the shell 1, lubrication assembly 11 is including oil tank 1101 and two-way lead screw 1105, the surface of two-way lead screw 1105 has cup jointed thread bush 1106, one side of thread bush 1106 is fixed with crushing plate 1107, the bottom of oil tank 1101 is connected with out oil pipe 1108, the bottom intercommunication of going out oil pipe 1108 has branch oil pipe 1109, the top of oil tank 1101 is provided with mend oil mouth 1102, the inside of oil tank 1101 is provided with oil absorption layer 1104, lubricating oil through mending oil mouth 1102 in can storing in oil absorption layer 1104, and oil absorption layer 1104 can filter lubricating oil, when needs add lubricating oil, staff's steering two-way lead screw 1105, so that thread bush 1106 drives crushing plate 1107 and extrudes oil absorption layer 1104, and then make lubricating oil evenly drip to scribble on worm wheel 8 through going out oil pipe 1108 and branch oil pipe 1109.

Referring to fig. 5, one end of the bidirectional screw 1105 is provided with a knob 1103, and the outer surface of the knob 1103 is provided with anti-slip threads, so that the bidirectional screw 1105 can be rotated more conveniently by the worker through the knob 1103, and the anti-slip threads improve the friction force of the knob 1103.

Referring to fig. 3, the cross-sectional view of oil distribution pipe 1109 is arc, and its bottom equidistance is provided with a plurality of oil outlets, is convenient for with the even quick distribution of lubricating oil on worm wheel 8 for lubricating oil adds annotates more conveniently.

Referring to fig. 3 and 5, the oil absorbing layer 1104 is located inside the two sets of pressing plates 1107, the oil absorbing layer 1104 is made of sponge material, the two sets of pressing plates 1107 can simultaneously press the oil absorbing layer 1104, the oil storage capacity of the sponge material is good, and lubricating oil can be filtered.

The implementation principle of the embodiment is as follows: firstly, a worker installs a speed reducer, a hydraulic oil circuit provided by a hydraulic system is utilized during work, the rotation of a hydraulic motor 7 drives a worm to rotate, the worm 9 drives a worm wheel 8 to rotate, the worm wheel 8 rotates to enable a gear shaft 3 to drive a gear 10 to rotate, the purposes of speed reduction and torque increase are achieved, a flat key is firstly cut off when overload is serious, so that the gear 10 is protected from being broken due to overload, if the worm wheel 8 needs to be lubricated, the worm wheel of the speed reducer is firstly in a working state, then the worker rotates a bidirectional screw rod 1105 and further enables two groups of thread sleeves 1106 to move oppositely, so that an extrusion plate 1107 extrudes an oil suction layer 1104, lubricating oil in the oil suction layer 1104 can enter a oil distribution pipe 1109 through an oil outlet pipe 1108, then the lubricating oil drops on the worm wheel 8 through an oil outlet nozzle on the oil distribution pipe 1109, and the lubricating oil is more uniformly distributed on the worm wheel 8 because the worm wheel 8 is in a rotating state; when the lubricating oil is filled, the oil absorption layer 1104 can filter impurities in the lubricating oil, so that the impurities in the lubricating oil can be prevented from entering the speed reducer to cause adverse effects on the speed reducer.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. Worm gear speed reducer structure, including casing (1), its characterized in that: the back of casing (1) is provided with apron (2), gear shaft (3) are installed through bearing (6) in the inside of casing (1), gear (10) are installed through end cover (5) to the one end of gear shaft (3), the surface of gear shaft (3) is provided with worm wheel (8), just be provided with parallel key (4) between gear (10) and gear shaft (3), hydraulic motor (7) are installed to one side of casing (1), the output of hydraulic motor (7) is connected with worm (9), the top of casing (1) is provided with lubricating component (11), lubricating component (11) are including oil tank (1101) and two-way lead screw (1105).

2. The worm-gear speed reducer structure according to claim 1, characterized in that: the outer surface of the bidirectional screw rod (1105) is sleeved with a threaded sleeve (1106), one side of the threaded sleeve (1106) is fixed with an extrusion plate (1107), the bottom of the oil tank (1101) is connected with an oil outlet pipe (1108), the bottom of the oil outlet pipe (1108) is communicated with an oil distribution pipe (1109), the top of the oil tank (1101) is provided with an oil supplementing port (1102), and an oil absorption layer (1104) is arranged inside the oil tank (1101).

3. The worm-gear speed reducer structure according to claim 2, characterized in that: one end of the bidirectional screw rod (1105) is provided with a knob (1103), and the outer surface of the knob (1103) is provided with anti-skid lines.

4. The worm-gear speed reducer structure according to claim 2, characterized in that: the section view of oil distribution pipe (1109) is the arc, and its bottom equidistance is provided with a plurality of oil outlets.

5. The worm-gear speed reducer structure according to claim 1, characterized in that: the top and bottom edge positions of the shell (1) are provided with mounting lugs (12), and the mounting lugs (12) and the shell (1) are manufactured in an integrated manner.

6. The worm-gear speed reducer structure according to claim 2, characterized in that: the oil absorption layer (1104) is located on the inner sides of the two groups of squeezing plates (1107), and the oil absorption layer (1104) is made of sponge materials.