CN214465712U

CN214465712U - Self-sealing piston for speed reducer

Info

Publication number: CN214465712U
Application number: CN202023203019.6U
Authority: CN
Inventors: 王军
Original assignee: Yancheng Rongyida Precision Machinery Co ltd
Current assignee: Yancheng Rongyida Precision Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-22
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a speed reducer technical field discloses a formula piston is proclaimed oneself to speed reducer, including decompression case and initiative gear box, the inner wall bottom fixed mounting of initiative gear box has first fixed plate, the top fixed mounting of first fixed plate has first installation bearing, the initiative pivot is installed to the inner ring of first installation bearing, one section of initiative pivot runs through the side of initiative gear box, the outer wall of initiative pivot is fixed to have cup jointed the driving gear, one side outer wall of initiative gear box is fixed with driven gear box, one side outer wall fixed connection of the fixed decompression case in one side of driven gear box, driven gear box's bottom fixed mounting has the second fixed plate. The utility model has the advantages of it is following and effect: the brake device has the effects of emergency braking and rapid reduction of the running speed, can effectively control the braking speed of the speed reducer, and effectively ensures the running life of the speed reducer.

Description

Self-sealing piston for speed reducer

Technical Field

The utility model relates to a speed reducer technical field, in particular to speed reducer is with proclaiming oneself formula piston.

Background

The speed reducer has the functions of matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, is widely applied to modern machinery, can be divided into a general speed reducer and a special speed reducer according to purposes, has different design, manufacture and use characteristics, is generally used for low-rotating-speed and high-torque transmission equipment, and achieves the purpose of speed reduction by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with less teeth on an input shaft of the speed reducer.

The effect of the existing speed reducer for speed reduction has reached a high technical level, but under many conditions, because the effect of the speed reducer is moment-increasing, when emergency braking is needed or in the transmission process, and the speed is needed to be rapidly reduced, the general speed reducer only operates by increasing resistance to limit the speed reducer, so that the service life of the speed reducer can be influenced, and the requirement of rapidly reducing the speed can not be met, therefore, the self-sealing piston for the speed reducer is designed, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a speed reducer is with proclaiming oneself formula piston has emergency braking and the effect of quick reduction functioning speed, can effectively guarantee the running life of speed reducer.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a speed reducer is with proclaiming oneself formula piston, includes decompression case and initiative gear box, its characterized in that: a first fixing plate is fixedly arranged at the bottom of the inner wall of the driving gear box, a first mounting bearing is fixedly arranged above the first fixing plate, the inner ring of the first mounting bearing is provided with a driving rotating shaft, one section of the driving rotating shaft penetrates through the side surface of the driving gear box, the outer wall of the driving rotating shaft is fixedly sleeved with a driving gear, the outer wall of one side of the driving gear box is fixed with a driven gear box, the outer wall of one side of the driven gear box, which is fixed on the decompression box, is fixedly connected, the bottom of the driven gear box is fixedly provided with a second fixing plate, a second mounting bearing is arranged above the second fixing plate, a driven rotating shaft is sleeved on the inner ring of the second mounting bearing, the driven gear is fixedly sleeved on the outer wall of the driven rotating shaft, a communicating groove is formed between the driven gear box and the driving gear box, and the driven gear is meshed with the driving gear through the communicating groove.

Through adopting above-mentioned technical scheme, the initiative pivot with be connected with power device, then the driven spindle is connected with driven device, under driving gear and driven gear's effect, the slew velocity of driven spindle slow with the slew velocity of initiative pivot, can effectually guarantee the speed reduction effect of this speed reducer, can guarantee the sufficient moment of driven spindle.

The utility model discloses a further set up to: the driven gear's one side outer wall is provided with the fixed block, two holes that run through both ends are seted up to the both sides of fixed block, the inside fixed mounting of decompression case has the piston cylinder, the internally mounted of piston cylinder has the piston head.

By adopting the technical scheme, the piston cylinder and the piston head are arranged in the pressure reducing box, and the piston head can ensure the moving direction of the piston head when the piston head moves in the operating piston cylinder.

The utility model discloses a further set up to: one side of the piston head is hinged with a power rod, the power rod is made of metal materials, one end of the power rod is hinged with a movable groove, and two threaded rods are fixedly mounted on one side of the movable groove.

Through adopting above-mentioned technical scheme, the articulated power rod in one side of piston head is connected to the outside, drives the piston head and moves at the piston cylinder through driving movable groove and power rod, and the power rod is made for metal material moreover, can effectual assurance life.

The utility model discloses a further set up to: two the backing plate has been run through to the one end of threaded rod, and two threaded rods install the nut two in one side of backing plate the threaded rod runs through two holes at fixed block both ends respectively.

Through adopting above-mentioned technical scheme, through two threaded rods of one side fixed mounting at the movable groove, will link among two threaded rods grafting gold fixed block's two holes, then fix through the nut, then under driven gear's drive, fixed block on the driven gear drives movable groove and power rod and moves, can provide power for the operation of piston head, lets the piston head rub with the jar wall of piston cylinder in the operation process, can play certain speed reduction effect.

The utility model discloses a further set up to: the inside of decompression case is hollow structure, one side fixed the inlaying of bottom of piston cylinder is installed one-way fluid-discharge tube, and the opposite side fixed the inlaying of piston cylinder bottom installs one-way blast pipe, the outer wall of decompression case is provided with the blast pipe.

Through adopting above-mentioned technical scheme, through the inside at the decompression case sets up to hollow structure, when the piston head is at the operation in-process, when needing to carry out emergency braking, draw out the inside air of decompression case as far as possible through the blast pipe, when the piston head is piston motion in the piston cylinder this time, just hardly inhales the air in the decompression case, the piston head wants to do piston motion's resistance will be very big, will to a great extent limit the operation of driven gear, so just so effectual effect that has reached quick braking.

The utility model discloses a further set up to: the interior of the decompression tank is filled with liquid through an exhaust pipe.

Through adopting above-mentioned technical scheme, at normal operation in-process, if need not carry out urgent braking, let in the decompression case with liquid through the blast pipe, the pressure of added liquid is big more, and its speed reduction efficiency is better, through the time when can effectual control speed reducer braking like this, guarantees that it can not slow excessively or fast stop.

The utility model has the advantages that:

1. the initiative pivot with be connected with power device, then the driven spindle is connected with driven device, under driving gear and driven gear's effect, the slew velocity of driven spindle slow with the slew velocity of initiative pivot, can effectually guarantee the speed reduction effect of this speed reducer, can guarantee the sufficient moment of driven spindle.

2. When the piston head needs emergency braking in the operation process, the interior of the decompression box is arranged to be of a hollow structure, air in the decompression box is drawn out as much as possible through the exhaust pipe, and when the piston head does piston motion in the piston cylinder, air in the decompression box is difficult to suck in, so that the resistance of the piston head to do piston motion is large, the operation of the driven gear is limited to a great extent, and the effect of rapid braking is effectively achieved.

3. When in normal operation process, if need not carry out urgent braking, let in the decompression case with liquid through the blast pipe, the pressure of the liquid that adds is big more, and its speed reduction efficiency is better, through the time when the effectual control speed reducer braking of ability like this, guarantees that it can not slow excessively or fast stop.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the front three-dimensional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the internal cross-sectional structure of the decompression box of the present invention.

In the figure, 1, a decompression box; 2. a driven gear box; 3. a driven rotating shaft; 4. an active gearbox; 5. a driving rotating shaft; 6. a driven gear; 7. a fixed block; 8. a movable groove; 9. a power rod; 10. a piston cylinder; 11. a base plate; 12. a threaded rod; 13. a nut; 14. a driving gear; 15. a first fixing plate; 16. a first mounting bearing; 17. a second mounting bearing; 18. a piston head; 19. a one-way drain pipe; 20. a one-way exhaust pipe; 21. an exhaust pipe; 22. and a second fixing plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a self-sealing piston for a speed reducer comprises a pressure reducing box 1 and a driving gear box 4, wherein a first fixing plate 15 is fixedly installed at the bottom of the inner wall of the driving gear box 4, a first installation bearing 16 is fixedly installed above the first fixing plate 15, a driving rotating shaft 5 is installed on an inner ring of the first installation bearing 16, one section of the driving rotating shaft 5 penetrates through the side surface of the driving gear box 4, a driving gear 14 is fixedly sleeved on the outer wall of the driving rotating shaft 5, a driven gear box 2 is fixed on the outer wall of one side of the driving gear box 4, one side of the driven gear box 2 is fixedly connected with the outer wall of the pressure reducing box 1, a second fixing plate 22 is fixedly installed at the bottom of the driven gear box 2, a second installation bearing 17 is arranged above the second fixing plate 22, a driven rotating shaft 3 is sleeved on an inner ring of the second installation bearing 17, and a driven gear 6 is fixedly sleeved on the outer wall of the driven rotating shaft 3, a communicating groove is formed between the driven gear box 2 and the driving gear box 4, and the driven gear 6 is meshed with the driving gear 14 through the communicating groove.

Wherein, the outer wall of one side of the driven gear 6 is provided with a fixed block 7, two holes penetrating through two ends are arranged on two sides of the fixed block 7, a piston cylinder 10 is fixedly arranged in the decompression box 1, a piston head 18 is arranged in the piston cylinder 10, one side of the piston head 18 is hinged with a power rod 9, the power rod 9 is made of metal material, one end of the power rod 9 is hinged with a movable groove 8, one side of the movable groove 8 is fixedly provided with two threaded rods 12, one ends of the two threaded rods 12 are penetrated with a backing plate 11, one side of the backing plate 11 of the two threaded rods 12 is provided with a nut 13, the two threaded rods 12 respectively penetrate through two holes at two ends of the fixed block 7, the interior of the decompression box 1 is of a hollow structure, one side of the bottom of the piston cylinder 10 is fixedly embedded with a one-way liquid discharge pipe 19, the other side of the bottom of the piston cylinder 10 is fixedly embedded with a one-way exhaust pipe 20, the outer wall of the decompression box 1 is provided with an exhaust pipe 21, the inside of the decompression tank 1 is filled with liquid through the exhaust pipe 21.

In the utility model, the driving rotating shaft 5 is connected with the power device, then the driven rotating shaft 3 is connected with the driven device, under the action of the driving gear 14 and the driven gear 6, the rotating speed of the driven rotating shaft 3 is slow and the rotating speed of the driving rotating shaft 5, the speed reduction effect of the speed reducer can be effectively ensured, and the sufficient moment of the driven rotating shaft 3 can be ensured, when the piston head 18 needs to be braked emergently in the operation process, because the inside of the decompression box 1 is set to be a hollow structure, the internal air of the decompression box 1 is drawn out as much as possible through the exhaust pipe 21, when the piston head 18 does piston motion in the piston cylinder 10, the air in the decompression box 1 is difficult to be sucked, the resistance of the piston head 18 wanting to do piston motion is large, the operation of the driven gear 6 is limited to a great extent, thus, the effect of rapid braking is effectively achieved, when in normal operation process, if need not carry out urgent braking, let in liquid in decompression box 1 through blast pipe 21, the bigger is the pressure of the liquid that adds, and its speed reduction efficiency is better, through the time when the effectual control speed reducer braking of ability like this, guarantees that it can not slow excessively or fast stop.

Claims

1. The utility model provides a speed reducer is with proclaiming oneself formula piston, includes decompression case (1) and initiative gear box (4), its characterized in that: the inner wall bottom fixed mounting of initiative gear box (4) has first fixed plate (15), the top fixed mounting of first fixed plate (15) has first installation bearing (16), initiative pivot (5) are installed to the inner ring of first installation bearing (16), one section of initiative pivot (5) runs through the side of initiative gear box (4), the outer wall of initiative pivot (5) is fixed to be cup jointed driving gear (14), one side outer wall of initiative gear box (4) is fixed with driven gear box (2), one side outer wall fixed connection of one side fixed decompression case (1) of driven gear box (2), the bottom fixed mounting of driven gear box (2) has second fixed plate (22), the top of second fixed plate (22) is provided with second installation bearing (17), the inner ring cover of second installation bearing (17) has driven shaft (3), the outer wall of the driven rotating shaft (3) is fixedly sleeved with a driven gear (6), a communicating groove is formed between the driven gear box (2) and the driving gear box (4), and the driven gear (6) is meshed with the driving gear (14) through the communicating groove.

2. The self-sealing piston for a speed reducer of claim 1, wherein: the outer wall of one side of driven gear (6) is provided with fixed block (7), two holes that run through both ends are seted up to the both sides of fixed block (7), decompression case (1) inside fixed mounting has piston cylinder (10), the internally mounted of piston cylinder (10) has piston head (18).

3. The self-sealing piston for a speed reducer of claim 2, wherein: one side of the piston head (18) is hinged with a power rod (9), the power rod (9) is made of metal materials, one end of the power rod (9) is hinged with a movable groove (8), and two threaded rods (12) are fixedly mounted on one side of the movable groove (8).

4. The self-sealing piston for a speed reducer of claim 3, wherein: two backing plate (11) has been run through to the one end of threaded rod (12), and two threaded rod (12) install nut (13) two in one side of backing plate (11) threaded rod (12) run through two holes at fixed block (7) both ends respectively.

5. The self-sealing piston for a speed reducer of claim 4, wherein: the inside of decompression case (1) is hollow structure, one-way fluid-discharge tube (19) is installed to fixed the inlaying in bottom one side of piston cylinder (10), and the fixed inlaying of opposite side of piston cylinder (10) bottom installs one-way blast pipe (20), the outer wall of decompression case (1) is provided with blast pipe (21).

6. The self-sealing piston for a speed reducer of claim 5, wherein: the interior of the decompression tank (1) is filled with liquid through an exhaust pipe (21).