CN205277968U

CN205277968U - Spirally swinging hydraulic cylinder

Info

Publication number: CN205277968U
Application number: CN201521136366.8U
Authority: CN
Inventors: 袁明林; 张文君
Original assignee: Shanghai Dunke Machinery Co Ltd
Current assignee: Shanghai Dunke Machinery Co Ltd
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-06-01
Anticipated expiration: 2025-12-31

Abstract

The utility model discloses a spirally swinging hydraulic cylinder, including cylinder, front end housing, rear end cap, output shaft, piston tooth cover and torque output dish, front end housing and rear end cap are fixed respectively controlling on the terminal surface of cylinder, the torque output dish sets up the front end housing outside, output shaft and piston tooth cover sets up in the cylinder, output shaft one end set up in in the rear end cap, the other end pass the front end housing and with the torque output dish is through rectangle spline coupling, piston tooth ways is established on the output shaft and rather than closing the hookup through the spiral tooth spiral, its characterized in that, spiral swing hydraulic pressure still includes a fixed tooth cover, fixed tooth ways is established the piston tooth is put in and rather than closing the hookup through the spiral tooth spiral, just fixed tooth cover passes through terminal surface spline coupling with the rear end cap. The utility model discloses a set up fixed tooth cover, can conveniently process the one -level helical tooth with the installation is fixed on the rear end cap, solved and process helical tooth difficulty and the not high problem of precision on the cylinder.

Description

A kind of spiral oscillating motor

Technical field

The utility model belongs to mechanical means and manufactures field, is specifically related to a kind of spiral oscillating motor.

Background technology

Spiral oscillating motor principle of work: utilizing spiral tooth as main kinematic pair, hydraulic pressure can provide power for it so that it is can convert translational motion to rotary motion, and it belongs to hydraulic pressure power element.

Taking rotary motion as the spiral oscillating motor of the way of output, it can apply to harbour machinery, engineering machinery, building machinery, prestowage planning and operation of equipment, underground work, working aloft, sea floor exploration device and offshore platform, extraordinary robot, logistics and communications and transportation, agriculture and forestry machinery and equipment, foodstuffs industry, tobacco machine, pharmaceutical industry and the field such as petrochemical complex, military project widely.

Engineering machinery power drive system is such as the rock drill of mining machinery, shotcrete machine. The concrete transport vehicle of building machinery, truck mounted concrete pump. The rotary motion of the heavy duty vehicles such as the cram packer of environmental sanitation machinery, cleaning car, high-altitude operation vehicle, fork truck, excavator; Above navigation equipment, as yacht sun visor, safety guard turn over folding, conveying liquid pipe valve closed etc.; Above air equipment, as; Mechanical manipulator; Civil equipment, such as the upset of solar energy sunshade plate, four D cinema seats, roller-coaster seat. The fields such as the tank of military project armament equipment, cannon, submarine.

The technology of China's spiral oscillating motor is not very ripe at present, domestic also have several colleagues at development & production spiral oscillating motor, but all there is following problem on the whole: the spiral oscillating motor form 1. produced is single, processing and manufacturing precision is not high, output torque is little; 2. hardening treatment can not be carried out for spiral tooth surface; 3. life cycle is shorter.

Practical novel content

The purpose of this utility model is to provide a kind of working accuracy height, it may also be useful to the life-span is long, stable and process simple spiral oscillating motor.

The technical solution adopted in the utility model is:

A kind of spiral oscillating motor, comprises cylinder cylinder, front end end cover, rear end cap, output shaft, piston tooth cover and moment of torsion output panel, described front end end cover and rear end cap and is separately fixed on the left and right end face of described cylinder cylinder, and described moment of torsion output panel is arranged on outside described front end end cover; Described output shaft and piston tooth are set in cylinder cylinder, output shaft one end is arranged in described rear end cap, the other end is through front end end cover and with described moment of torsion output panel by rectangle splined, described piston tooth cover is set on described output shaft and is screwed by spiral tooth with it and connect, it is characterized in that, described spiral swings hydraulic pressure and also comprises a fixed teeth cover, described fixed teeth cover is set in described piston tooth and puts and screwed by spiral tooth with it and connect, and described fixed teeth cover with rear end cap by end face rectangle splined.

A preferred version also comprises self-aligning bearing, is provided with circular hole inside described rear end cap, places described self-aligning bearing in circular hole, and one end of output shaft is placed in described self-aligning bearing.

Another preferred version is, also comprises static-pressure sliding bearing and zanjon sealing-ring ball bearing, and the two is set on described output shaft, and is arranged between described front end end cover and described piston tooth cover.

Described end face rectangle spline refers to the rectangle teeth groove of rectangle key tooth and the depression being respectively equipped with equally distributed projection on two annular end faces, and the rectangle key tooth of described projection and the rectangle teeth groove of described depression engage each other; Two tooth traces of rectangle key tooth described in each are parallel to each other, and the straight line of these two tooth trace middles crosses the center of circle of this rectangle key tooth place annular end face.

Main innovation of the present utility model is the setting that fixed teeth is overlapped, the two-stage screw pair of original spiral oscillating motor normally cylinder cylinder and piston tooth cover coordinate, piston tooth cover coordinates with output shaft, in this case, the processing of hydro-cylinder internal screw tooth is extremely difficult, precision is difficult to control, and spiral tooth processing on cylinder cylinder time spiral tooth and cylinder cylinder body all need to use the alloy material of costliness, cost is higher, and the utility model arranges a fixed teeth cover, can process spiral tooth attaches it in cylinder cylinder thereon conveniently again, solve on cylinder cylinder, process the problem that spiral tooth is difficult and precision is not high, and its Master Cost that can save cylinder cylinder body after separating with cylinder cylinder. in addition, the axial component that static-pressure sliding bearing produces for eliminating piston tooth cover spiral tooth, the axis of output shaft is stoped to be altered, decrease failure rate and extend work-ing life, after adopting static-pressure sliding bearing to undertake part axial component, spiral oscillating motor of the present utility model can undertake bigger load, it is possible to up to 300000NM, self-aligning bearing and deep groove ball bearing share the radial component that output shaft produces, and stop output shaft radial-play, ensure output shaft and cylinder cylinder right alignment also ensure that the stationarity of spiral oscillating motor at whole moving process simultaneously, by to the amendment of spiral tooth tooth depth coefficient and the regulation of two-stage screw kinematic pair so that the processing of spiral internal tooth and external tooth is no longer difficult, and spiral tooth finished surface precision is improved.

Accompanying drawing explanation

Fig. 1 is the structural representation of spiral oscillating motor of the present utility model.

Embodiment

The better embodiment of the utility model is provided, so that the technical solution of the utility model to be described in detail below in conjunction with accompanying drawing.

Spiral oscillating motor of the present utility model as shown in Figure 1, comprise cylinder cylinder 5, front end end cover 9, rear end cap 1, output shaft 3, self-aligning bearing 2, fixed teeth cover 4, piston tooth cover 6, static-pressure sliding bearing 7, zanjon sealing-ring ball bearing 8 and moment of torsion output panel 10, front end end cover and rear end cap are separately fixed on the left and right end face of cylinder cylinder, it is provided with circular hole inside rear end cap, in circular hole, places self-aligning bearing; Output shaft is arranged in cylinder cylinder, one end is arranged in self-aligning bearing, the other end front end end cover is provided with outer recessed rectangle spline and with described moment of torsion output panel convex rectangle spline running fit, piston tooth cover is set on output shaft and is screwed by spiral tooth with it and connect, fixed teeth cover is set in piston tooth and puts and screwed by spiral tooth with it and connect, and fixed teeth cover with rear end cap by end face splined; Static-pressure sliding bearing and zanjon sealing-ring ball bearing are arranged between front end end cover and piston tooth cover, and the other end of output shaft is through static-pressure sliding bearing and zanjon sealing-ring ball bearing; Moment of torsion output panel is located at outside front end end cover. P1 and P2 on cylinder cylinder is oil inlet and outlet.

More than show and describe ultimate principle of the present utility model, main characteristic sum advantage of the present utility model. The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.

Claims

1. a spiral oscillating motor, comprise cylinder cylinder, front end end cover, rear end cap, output shaft, piston tooth cover and moment of torsion output panel, described front end end cover and rear end cap are separately fixed on the left and right end face of described cylinder cylinder, and described moment of torsion output panel is arranged on outside described front end end cover; Described output shaft and piston tooth are set in cylinder cylinder, output shaft one end is arranged in described rear end cap, the other end is through front end end cover and with described moment of torsion output panel by rectangle splined, described piston tooth cover is set on described output shaft and is screwed by spiral tooth with it and connect, it is characterized in that, described spiral swings hydraulic pressure and also comprises a fixed teeth cover, described fixed teeth cover is set in described piston tooth and puts and screwed by spiral tooth with it and connect, and described fixed teeth cover with rear end cap by end face rectangle splined.

2. spiral oscillating motor according to claim 1, it is characterised in that, also comprise self-aligning bearing, inside described rear end cap, it is provided with circular hole, in circular hole, place described self-aligning bearing, one end of output shaft is placed in described self-aligning bearing.

3. spiral oscillating motor according to claim 1, it is characterised in that, also comprise static-pressure sliding bearing and zanjon sealing-ring ball bearing, the two is set on described output shaft, and is arranged between described front end end cover and described piston tooth cover.

4. spiral oscillating motor according to claim 1, it is characterized in that, described end face rectangle spline refers to the rectangle teeth groove of rectangle key tooth and the depression being respectively equipped with equally distributed projection on two annular end faces, and the rectangle key tooth of described projection and the rectangle teeth groove of described depression engage each other; Two tooth traces of rectangle key tooth described in each are parallel to each other, and the straight line of these two tooth trace middles crosses the center of circle of this rectangle key tooth place annular end face.