CN214946291U

CN214946291U - Wear-resistant worm gear speed reducer

Info

Publication number: CN214946291U
Application number: CN202120752158.XU
Authority: CN
Inventors: 沈伟林
Original assignee: Hangzhou Jingyoumei Drive Device Co ltd
Current assignee: Hangzhou Jingyoumei Drive Device Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-30
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a wear-resistant worm gear speed reducer, the upper end of an upper shell is provided with an oil storage cylinder, the lower end of the oil storage cylinder is connected with one end of an oil delivery pipe, the other end of the oil delivery pipe penetrates through the upper shell and is connected with an oil dripping box, the lower end of the oil dripping box is uniformly provided with a conical oil dripping hole, the inner part of the oil dripping box is movably provided with a regulating plate, the regulating plate is symmetrically penetrated through and is movably provided with a limiting rod, the two ends of the limiting rod are fixedly connected with the inner side wall of the oil dripping box, the outer part of the limiting rod is sleeved with an adjusting spring between the lower end of the regulating plate and the bottom of the inner side wall of the upper shell, the lower end of the regulating plate corresponding to the conical oil dripping hole is provided with a regulating rod, the lower end of the regulating rod is provided with a conical regulating block, the utility model can lubricate and cool a worm gear meshed in the speed reducer, reduce the friction loss of the transmission between the worm gear, and increase the wear-resistant degree of the worm gear, thereby prolonging the service life of the speed reducer.

Description

Wear-resistant worm gear speed reducer

Technical Field

The utility model relates to a speed reducer technical field, specific field is a stand wear and tear worm gear speed reducer.

Background

A worm gear reducer is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor (motor) to a desired number of revolutions and obtain a large torque. In a mechanism for transmitting power and motion, a reduction gear has a wide range of applications. The trace of the transmission system can be seen in various machines, such as ships, automobiles, locomotives of vehicles, heavy equipment for buildings, processing equipment and automatic production equipment used in the mechanical industry, common household appliances in daily life, clocks and watches, and the like. The application of the speed reducer can be seen from the transmission work of large power, to the transmission of small load and accurate angle, and in industrial application, the speed reducer has the functions of reducing speed and increasing torque. Therefore, the device is widely applied to speed and torque conversion equipment. .

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stand wear and tear worm gear speed reducer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a worm gear speed reducer with a sealing structure comprises a lower shell and an upper shell, wherein the upper end of the lower shell is attached to the lower end of the upper shell, the left side wall of the lower shell is penetrated and rotated to install an input shaft, one end of the input shaft is rotated with the inner right side wall of the lower shell, a worm is arranged on the input shaft, the front side wall and the rear side wall of the lower shell are penetrated and rotated to install an output shaft, a turbine meshed with the worm for transmission is arranged on the output shaft, an oil storage cylinder is arranged at the upper end of the upper shell, the lower end of the oil storage cylinder is connected with one end of an oil conveying pipe, the other end of the oil conveying pipe penetrates through the upper shell and is connected with an oil dripping box, a conical oil dripping hole is uniformly formed in the lower end of the oil dripping box, an adjusting plate is movably arranged in the oil dripping box, a limiting rod is symmetrically penetrated through the adjusting plate and movably arranged, and the two ends of the limiting rod are fixedly connected with the inner side wall of the oil dripping box, the utility model discloses a position adjusting device, including regulating plate, upper shell, regulating rod, regulating block, oil drip box, adjusting plate, adjusting rod, adjusting plate, adjusting rod, the common symmetry of last lateral wall of oil drip box and last shell runs through threaded connection and has the positioning screw rod, the lower extreme of positioning screw rod is equipped with the extrusion hemisphere, the lower extreme of extrusion hemisphere contacts with the upper surface of regulating plate, the upper end of positioning screw rod is equipped with twists the knob soon.

Preferably, both ends all outside integrated into one piece have down to connect stupefied about the shell down, connect stupefied lower extreme down and seted up the nut holding tank, go up the shell about both ends all outside integrated into one piece have connect stupefied, connect stupefied upper end down and seted up the nut holding tank, be equipped with the clearing hole between nut holding tank and the nut holding tank, movable mounting is run through to the inside of clearing hole has the connection bolt, the one end integrated into one piece of connection bolt has the nut, the other end threaded connection of connection bolt has the nut, the nut is located the inside of nut holding tank.

Preferably, the upper end of the oil storage cylinder is provided with an oil filling port, the oil filling port is connected with a cover cap in a threaded manner, the upper part of the side wall of the oil storage cylinder is connected with a negative pressure pipe, and a filter screen is arranged inside the negative pressure pipe.

Preferably, the bottom side wall of the lower shell is connected with an oil discharge pipe, and a control valve is arranged on the oil discharge pipe.

Preferably, the lower end of the side wall of the lower shell is provided with a transverse transparent window, the side wall of the oil storage cylinder is provided with a vertical transparent window, and the outer side wall of the oil storage cylinder and the vertical transparent window are provided with scale marks.

Compared with the prior art, the beneficial effects of the utility model are that: can constitute the speed reducer main part through the cooperation setting of lower shell, last shell, input shaft, worm, output shaft and turbine, can drip lubricated cooling oil to worm gear through the cooperation setting of an oil storage section of thick bamboo, defeated oil pipe, oil dripping box and toper oil dripping hole, set up the speed that the downthehole lubricated cooling oil of adjustable control toper oil dripping fell through regulating plate, gag lever post, regulating spring, regulation pole, toper regulating block, positioning screw, extrusion hemisphere and the cooperation of revolving the twist button, the utility model discloses can carry out lubricated cooling to meshing driven worm gear in the speed reducer, reduce driven friction loss between the worm gear, increase worm gear's wear resistance, and then increase the life of speed reducer.

Drawings

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

FIG. 2 is a schematic view of the oil dropping box of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1-lower shell, 2-upper shell, 3-input shaft, 4-worm, 5-output shaft, 6-turbine, 7-oil storage cylinder, 8-oil delivery pipe, 9-oil dropping box, 10-conical oil dropping hole, 11-regulating plate, 12-limiting rod, 13-regulating spring, 14-regulating rod, 15-conical regulating block and 16-positioning screw rod, 17-extrusion hemisphere, 18-screwing button, 19-lower connecting edge, 20-nut accommodating groove, 21-lower connecting edge, 22-nut accommodating groove, 23-through hole, 24-connecting bolt, 25-nut, 26-nut, 27-oil filling port, 28-negative pressure tube, 29-oil discharge tube, 30-transverse transparent window and 31-vertical transparent window.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a wear-resistant worm gear speed reducer comprises a lower shell 1 and an upper shell 2, wherein the upper end of the lower shell 1 is attached to the lower end of the upper shell 2, an input shaft 3 is rotatably installed on the left side wall of the lower shell 1 in a penetrating manner, one end of the input shaft 3 is rotatably connected with the inner right side wall of the lower shell 2, a worm 4 is arranged on the input shaft 3, an output shaft 5 is rotatably installed between the lower shell 1 and the upper shell 2 in a penetrating manner, a turbine 6 in meshing transmission with the worm 4 is arranged on the output shaft 5, the lower shell 1, the upper shell 2, the input shaft 3, the worm 4, the output shaft 5 and the turbine 6 form a worm gear speed reducer main body, sealing bearings are arranged at the joint of the input shaft 3 and the lower shell 1 and the joint of the output shaft 5 and the lower shell 1 and the upper shell 2, and can increase the sealing performance of the rotary contact between the input shaft 3 and the lower shell 1 and between the output shaft 5 and the lower shell 1 and the upper shell 2, a sealing structure is formed, the sealing performance inside the speed reducer is improved, an oil storage cylinder 7 is arranged at the upper end of an upper shell 2, the oil storage cylinder 7 is used for storing lubricating and cooling oil, the lower end of the oil storage cylinder 7 is connected with one end of an oil delivery pipe 8, the other end of the oil delivery pipe 8 penetrates through the upper shell 2 and is connected with an oil dripping box 9, the interior of the oil dripping box 9 is hollow, the lubricating and cooling oil in the oil storage cylinder 7 can enter the oil dripping box 9 through the oil delivery pipe 8, conical oil dripping holes 10 are uniformly formed in the lower end of the oil dripping box 9, the lubricating and cooling oil in the oil dripping box 9 can drip to the meshing position of a worm wheel 6 and a worm 4 through the conical oil dripping holes 10, an adjusting plate 11 is movably arranged inside the oil dripping box 9, the adjusting plate 11 can movably change positions in the oil dripping box 9, limiting rods 12 are symmetrically and movably arranged on the adjusting plate 11 in a penetrating manner, two ends of the limiting rods 12 are fixedly connected with the inner side wall of the oil dripping box 9, and the limiting rods 12 can limit the moving direction of the adjusting plate 11, the position of the oil drip box can be movably changed only in the vertical direction, an adjusting spring 13 is movably arranged outside a limiting rod 12 and between the lower end of an adjusting plate 11 and the bottom of the inner side wall of an upper shell 2 in a sleeved mode, the elastic force of the adjusting spring 13 acts on the adjusting plate 11 to enable the adjusting plate to have the upward movement trend, adjusting rods 14 are arranged at the positions, corresponding to conical oil drip holes 10, of the lower end of the adjusting plate 11, conical adjusting blocks 15 are arranged at the lower ends of the adjusting rods 14, the conical adjusting blocks 15 are matched with the conical oil drip holes 10 to control the dropping speed of lubricating and cooling oil, positioning screws 16 are symmetrically and penetratingly connected with the upper side wall of the oil drip box 9 and the upper side wall of the upper shell 2 in a threaded mode, extrusion hemispheres 17 are arranged at the lower ends of the positioning screws 16, the lower ends of the extrusion hemispheres 17 are in contact with the upper surface of the adjusting plate 11, screwing buttons 18 are arranged at the upper ends of the positioning screws 16, the adjusting screws 16 can be rotated through the screwing buttons 18, because of threaded connection's relation, the adjusting screw 16 is rotatory simultaneously at vertical direction change position, extrusion hemisphere 17 produces downward extrusion effort and adjusting spring 13 to adjusting plate 11 ascending effort and can adjust fixedly adjusting plate 11 in the position of dripping the interior vertical direction of oil box 9 under cooperating, adjusting plate 11 adjusts fixedly in the interior vertical direction's of oil box 9 position, adjusting plate 11 can control the coincidence degree of toper regulating block 15 and toper oil drip hole 10, and then can adjust control lubricating and cooling oil at the speed of drippage.

Specifically, the left end and the right end of the lower shell 1 are integrally formed with a lower connecting edge 19, the lower end of the lower connecting edge 19 is provided with a nut accommodating groove 20, the left end and the right end of the upper shell 2 are integrally formed with an upper connecting edge 21, the upper end of the lower connecting edge 18 is provided with a nut accommodating groove 22, a through hole 23 is arranged between the nut accommodating groove 20 and the nut accommodating groove 19, a connecting bolt 24 is movably arranged in the through hole 23 in a penetrating manner, one end of the connecting bolt 24 is integrally formed with a nut 25, the nut 25 is provided with a screwing groove matched with a polygonal wrench, the other end of the connecting bolt 24 is in threaded connection with a nut 26, the cooperation of the nut 26, the nut 25 and the connecting bolt 24 can enable the lower connecting edge 19 and the upper connecting edge 21 to be fixedly assembled, even if the lower shell 1 and the upper shell 2 are fixedly assembled, the nut 25 is positioned in the nut accommodating groove 19, the sections of the nut 25 and the nut accommodating groove 19 are both circular, nut receiving slot 19 can make nut 25 hide the while nut 25 still can rotate in nut receiving slot 19's inside, and nut 26 is located the inside of nut receiving slot 20, and the cross-section of nut receiving slot 20 and nut 26 is the rectangle, and nut receiving slot 20 still can restrict its rotation when can hide nut 26.

Specifically, the upper end of the oil storage cylinder 7 is provided with an oil filling port 27, the oil filling port 27 is in threaded connection with a cover cap, lubricating and cooling oil can be added into the oil storage cylinder 7 through the oil filling port 27, the cover cap can seal the oil filling port 27, the upper portion of the side wall of the oil storage cylinder 7 is connected with a negative pressure pipe 28, the arrangement of the negative pressure pipe 28 can prevent negative pressure bubbles from being generated in the oil delivery pipe 8, a filter screen is arranged inside the negative pressure pipe 28, and external impurities can be prevented from entering the oil storage cylinder 7 through the negative pressure pipe 28 due to the arrangement of the filter screen.

Specifically, an oil drain pipe 29 is connected to a bottom side wall of the lower casing 1, a control valve is provided on the oil drain pipe 29, lubricating and cooling oil accumulated in the lower casing 1 can be drained through the oil drain pipe 29, and the control valve can control the opening and closing of the oil drain pipe 29.

Particularly, the lateral wall lower extreme of lower shell 1 is equipped with horizontal transparent window 30, and the accumulative total amount of lubricated cooling oil in the shell 1 can be observed down in the setting of horizontal transparent window 30, is equipped with vertical transparent window 30 on the lateral wall of oil storage section of thick bamboo 7, and the lateral wall of oil storage section of thick bamboo 7 and the position of vertical transparent window 31 are equipped with the scale sign, and the setting of vertical transparent window 30 and scale sign can conveniently observe the stock of lubricated cooling oil in the oil storage section of thick bamboo 7.

The working principle is as follows: the utility model discloses in, oil storage section of thick bamboo 7 is used for saving lubricated cooling oil, the inside of oil drip box 9 sets up for cavity, lubricated cooling oil in the oil storage section of thick bamboo 7 can get into oil drip box 9 through defeated oil pipe 8, lubricated cooling oil accessible toper oil drip 10 in the oil drip box 9 drips to worm wheel 6 and worm 4 meshing department, regulating plate 11 can be in oil drip box 9 internalization relocation, gag lever post 12 can restrict regulating plate 11's activity direction, make it change position only in vertical direction activity, regulating spring 13's elasticity effect is on regulating plate 11, make it have upward movement's trend, toper regulating block 15 and the steerable lubricated cooling oil of toper oil drip 10 phase-match are at the speed of drippage, through revolving knob 18 rotatable adjusting screw 16 soon, because of threaded connection's relation, positioning screw 16 is in vertical direction relocation while rotatory, extrusion hemisphere 17 produces downwards get extrusion effort and adjusting spring 13 is to adjusting plate 11 and is cooperated under the ascending effort of adjusting spring 11 matches The position of the adjusting plate 11 in the vertical direction in the oil dripping box 9 can be adjusted and fixed, so that the overlapping degree of the conical adjusting block 15 and the conical oil dripping hole 10 can be controlled, further, the dripping rate of lubricating and cooling oil can be adjusted and controlled, the screw cap 25 is provided with a screwing groove matched with a polygonal wrench for use, the matching of the screw cap 26, the screw cap 25 and the connecting bolt 24 can enable the lower connecting rib 19 and the upper connecting rib 21 to form fixed assembly, even if the fixed assembly is formed between the lower shell 1 and the upper shell 2, the cross sections of the screw cap 25 and the screw cap accommodating groove 19 are both circular, the screw cap 25 can still rotate in the screw cap accommodating groove 19 while the screw cap 25 is hidden by the screw cap 19, the cross sections of the screw cap accommodating groove 20 and the screw cap 26 are both rectangular, the screw cap accommodating groove 20 can also limit the rotation of the screw cap 26 while being hidden by the screw cap accommodating groove 19, accessible oil filler hole 27 adds lubricated cooling oil to in the oil storage section of thick bamboo 7, the block can seal oil filler hole 27, negative pressure pipe 28 set up and can prevent to produce the negative pressure bubble in the defeated oil pipe 8, the setting of filter screen can avoid external debris to get into oil storage section of thick bamboo 7 by negative pressure pipe 28, through the lubricated cooling oil of shell 1 internal accumulation under arranging oil pipe 29 and can discharging, opening and closing of the steerable oil pipe 29 of arranging of control valve, the cumulative volume of lubricated cooling oil in the shell 1 can be observed down in the setting of horizontal transparent window 30, the stock of lubricated cooling oil in the oil storage section of thick bamboo 7 can conveniently be observed in the setting of vertical transparent window 30 and scale sign.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

Claims

1. The utility model provides a stand wear and tear worm gear speed reducer machine, includes shell (1) and last shell (2) down, the upper end of shell (1) is laminated with the lower extreme of last shell (2) mutually down, the left side wall of shell (1) runs through to rotate down and installs input shaft (3), the one end of input shaft (3) rotates with the interior right side wall of shell (1) down and links to each other, be equipped with worm (4) on input shaft (3), the front and back lateral wall of shell (1) runs through to rotate down and installs output shaft (5), be equipped with on output shaft (5) with worm (4) meshing driven turbine (6), its characterized in that: the upper end of going up shell (2) is equipped with an oil storage section of thick bamboo (7), the lower extreme of an oil storage section of thick bamboo (7) is connected with the one end of defeated oil pipe (8), the other end of defeated oil pipe (8) runs through last shell (2) and is connected with oil drip box (9), the toper oil drip hole (10) has evenly been seted up to the lower extreme of oil drip box (9), the inside movable mounting that drips oil box (9) has regulating plate (11), the symmetry runs through movable mounting on regulating plate (11) has gag lever post (12), the both ends of gag lever post (12) all link to each other with the inside wall of oil drip box (9) is fixed, the outside of gag lever post (12) just is located the cover between regulating plate (11) lower extreme and last shell (2) inside wall bottom and establishes movable mounting has adjusting spring (13), the lower extreme of regulating plate (11) all is equipped with regulation pole (14) with the position that toper oil drip hole (10) corresponds, the lower extreme of adjusting pole (14) is equipped with toper regulating block (15), the common symmetry run through threaded connection has positioning screw rod (16) to the last lateral wall of oil drip box (9) and last shell (2), the lower extreme of positioning screw rod (16) is equipped with extrusion hemisphere (17), the lower extreme of extrusion hemisphere (17) contacts with the upper surface of regulating plate (11), the upper end of positioning screw rod (16) is equipped with revolves wrong button (18).

2. The wear-resistant worm gear reducer as recited in claim 1, wherein: lower shell (1) about both ends all to connect stupefied (19) down to outer integrated into one piece, nut holding tank (20) have been seted up to the lower extreme of connecting stupefied (19) down, go up shell (2) about both ends all to outer integrated into one piece have connect stupefied (21), nut holding tank (22) have been seted up to the upper end of connecting stupefied (21) down, be equipped with between nut holding tank (22) and nut holding tank (20) clearing hole (23), movable mounting is run through to the inside of clearing hole (23) has connecting bolt (24), the one end integrated into one piece of connecting bolt (24) has nut (25), the other end threaded connection of connecting bolt (24) has nut (26), nut (25) are located the inside of nut holding tank (23), nut (26) are located the inside of nut holding tank (20).

3. The wear-resistant worm gear reducer as recited in claim 1, wherein: the upper end of an oil storage cylinder (7) is provided with an oil filling port (27), the oil filling port (27) is connected with a cover cap (28) through threads, the upper portion of the side wall of the oil storage cylinder (7) is connected with a negative pressure pipe (29), and a filter screen (30) is arranged inside the negative pressure pipe (29).

4. The wear-resistant worm gear reducer as recited in claim 1, wherein: the bottom lateral wall of lower shell (1) is connected with oil extraction pipe (31), be equipped with control valve (32) on oil extraction pipe (31).

5. The wear-resistant worm gear reducer as recited in claim 1, wherein: the lateral wall lower extreme of shell (1) is equipped with horizontal transparent window (33) down, be equipped with vertical transparent window (34) on the lateral wall of oil storage section of thick bamboo (7), the lateral wall of oil storage section of thick bamboo (7) and the position of vertical transparent window (34) are equipped with scale mark (35).