CN201081005Y

CN201081005Y - Gearing device for high pressure cleaning machine

Info

Publication number: CN201081005Y
Application number: CNU2007200709530U
Authority: CN
Inventors: 黄建平; 刘伟才
Original assignee: SHANGHAI YILI ELECTRIC CO Ltd
Current assignee: SHANGHAI YILI ELECTRIC CO Ltd
Priority date: 2007-06-12
Filing date: 2007-06-12
Publication date: 2008-07-02
Anticipated expiration: 2017-06-12

Abstract

The utility model relates to a transmission gear used on a jetting machine and is characterized in that: the utility model consists of an oil cylinder, a small ball thrust bearing, a sloping cam plate, an internal gear, a big ball thrust bearing, a plunger piston, a pinion, an oil seal, an O-shaped ring and a motor fore-stock; the oil seal on the motor fore-stock is connected with the O-shaped ring; the lower half of the big ball thrust bearing is located on the cylindrical surface of the oil cylinder; the upper half of the big ball thrust bearing is sleeved with the cylindrical surface of the internal gear tightly; the sloping cam plate is fixedly arranged on the internal gear and provided with the small ball thrust bearing; the promptive plunger piston which can do reciprocal movement is arranged on the end part of the small ball thrust bearing; a shaft end of a rotor of a motor is provided with the pinion which is meshed with the internal gear. The utility model has the advantages of compact structure, convenient assembly, large absorbing load, low transmission noise and transmission heat, high transmission efficiency and low cost.

Description

A kind of transmission device that is used on the jetting machine

Technical field

The utility model relates to a kind of transmission device that is used on the jetting machine, belongs to the jetting machine technical field.

Background technique

The single-phase series motor rotating speed that is used for jetting machine is generally 14000-20000rpm, so high rotating speed can not be directly and pump join, the centre must connect a speed reducer earlier, the transmission device that is applied to jetting machine at present as shown in Figure 1, 2, be common single gear speed reducer structural representation, the gear a6 of this device is fixed on the gear shaft a3; Gear shaft a3 is by the big or small deep groove ball bearing a1 and the a4 location at its two ends, and wherein deep groove ball bearing a1 bears the thrust load of plunger; Transmission is carried out in gear a6 and motor output end small gear a5 outer gearing, and its shortcoming is:

1 because this structure is outer gearing, and the total number of teeth in engagement of participation is few, and noise is higher;

Two bearings and an axle have been adopted in the location of 2 gear a6, and number of spare parts is more, cost is higher; And make this assembly axis to longer dimension;

The load that 3 deep groove ball bearing a2 bear is little.

Shown in Fig. 3,4, be planetary gear train speed reducer structural representation, the motor gear b5 of this device drives planet carrier b2 by planet wheel b4 and rotates, and planet carrier drives swash plate b1 again and rotates, though this structure makes transmission case and motor coaxle, its shortcoming is:

1. central gear b5 and planet wheel b4 are outer interior engagement, have only a tooth to participate in engagement, can produce bigger noise; And gear engagement has been paid 4, can produce noise and heating, makes transmission efficiency lower;

2 parts are more, structure is complicated, and element precision requires high, and cost is higher.

Summary of the invention

The purpose of this utility model provides a kind of transmission device that is used on the jetting machine, and this transmission device will satisfy following requirement:

1 can bear big as far as possible load;

2 transmission noises and transmission heating are low; Higher transmission efficiency is arranged;

3 compact structures particularly should be as far as possible little on axial dimension, to shorten the length of complete machine;

4 lower costs.

For realizing above purpose, the technical solution of the utility model provides a kind of transmission device that is used on the jetting machine, it is characterized in that, by oil cylinder, the low thrust ball bearing, swash plate, internal gear, the high thrust ball bearing, plunger, small gear, oil sealing, O shape circle, the motor fore poppet is formed, oil sealing on the motor fore poppet is connected with O shape circle, sheet is positioned on the cylndrical surface on the oil cylinder under the high thrust ball bearing, high thrust ball bearing last slice is locked with the cylndrical surface of internal gear, fixedly mount swash plate on the internal gear, swash plate is provided with the low thrust ball bearing, the promotion plunger that can move back and forth is located at the end of low thrust ball bearing, the rotor axle head of motor is provided with a small gear, meshes with internal gear.

Engagement driving in the utility model adopts has two gears to participate in engagement, and gear transmission is more stable, noise is littler, also can transmit bigger torque simultaneously, and utilize thrust ball bearing to remove bearing load, can bear higher load, utilize the capable location of the internal overmask of thrust ball bearing simultaneously, make that sheet directly is positioned on the oil cylinder under the bearing, save axle, one swash plate is installed on the internal gear again, can make part still less, more compact structure, cost is lower.

The utility model has the advantages that compact structure, easy for installation, bearing load is big, and transmission noise and transmission heating is low, transmission efficiency is high, and cost is low.

Description of drawings

Fig. 1,2 is common single gear speed reducer structural representation;

Fig. 3,4 is a planetary gear train speed reducer structural representation;

Fig. 5,6 is a kind of transmission structures schematic representation that is used on the jetting machine.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment

As Fig. 5, shown in 6, be a kind of transmission structures schematic representation that is used on the jetting machine, describedly a kind ofly be used for transmission device on the jetting machine by oil cylinder c1, low thrust ball bearing c2, swash plate c3, internal gear c4, high thrust ball bearing c5, plunger c6, small gear c7, oil sealing c8, O shape circle c9, motor fore poppet c10 forms, oil sealing c8 on the motor fore poppet c10 is connected with O shape circle c9, so that the lubricant oil in the oil cylinder c1 is sealed, oil cylinder c1 is provided with high thrust ball bearing c5 positioning step, and with the positioning hole of the inclined to one side gear engagement centre distance of above-mentioned positioning step, in order to the assembling and positioning of motor 11 with oil cylinder c1; Sheet directly is positioned on the cylndrical surface a on the oil cylinder c1 under the high thrust ball bearing c5, high thrust bearing c5 last slice and the cylndrical surface b of internal gear c4 are locked, last slice then be used for supporting internal gear c4, internal gear c4 goes up fixed installation swash plate c3, the drive swash plate rotates, swash plate c3 is provided with low thrust ball bearing c2, change into the straight line motion of plunger rotatablely moving during low thrust ball bearing c2 rotation, the promotion plunger c6 that can move back and forth is located at the end of low thrust ball bearing c2, the to-and-fro motion of plunger c6 makes pressurization system realize supercharging, the rotor axle head of motor 11 is provided with a small gear small gear c7, with internal gear c4 engagement, is used to drive internal gear c4 rotation.Following of swash plate c3 and low thrust bearing c2 can be adopted stamping part as integrative-structure,

During work, motor 11 is connected motor by motor fore poppet c10 and rotates with oil cylinder c1, motor output end small gear c7 drives internal gear c4 and rotates, and internal gear c4 drives swash plate c3 again and rotates, and is converted into the straight line motion of plunger by the low thrust bearing c2 on the swash plate rotatablely moving; The load of low thrust bearing c2 is delivered on the internal gear c4 by swash plate c3; The thrust load of internal gear c4 and less radial load pass on the oil cylinder c1 by coupled high thrust ball bearing c5 again.

Claims

1. transmission device that is used on the jetting machine, it is characterized in that, by oil cylinder (c1), low thrust ball bearing (c2), swash plate (c3), internal gear (c4), high thrust ball bearing (c5), plunger (c6), small gear (c7), oil sealing (c8), O shape circle (c9), motor fore poppet (c10) is formed, oil sealing (c8) on the motor fore poppet (c10) is connected with O shape circle (c9), high thrust ball bearing (c5) down sheet is positioned on the cylndrical surface (a) on the oil cylinder (c1), high thrust ball bearing (c5) last slice is locked with the cylndrical surface (b) of internal gear (c4), internal gear (c4) is gone up fixed installation swash plate (c3), swash plate (c3) is provided with low thrust ball bearing (c2), the promotion plunger (c6) that can move back and forth is located at the end of low thrust ball bearing (c2), the rotor axle head of motor (11) is provided with a small gear (c7), meshes with internal gear (c4).