CN205592340U

CN205592340U - Novel hydraulic pressure stepper

Info

Publication number: CN205592340U
Application number: CN201620085785.1U
Authority: CN
Inventors: 沈国泉
Original assignee: Hangzhou Polytechnic
Current assignee: Hangzhou Polytechnic
Priority date: 2016-01-24
Filing date: 2016-01-24
Publication date: 2016-09-21
Anticipated expiration: 2026-01-24

Abstract

The utility model relates to a novel hydraulic pressure stepper, it is main including left right shell, a pair of reducing gear, a zero motor, a set of control valve and one concave round, connect in parallel one concave round on the zero motor input shaft, kai heguan with a motor -driven switching -over valve of concave wheel control, the step control valve that valve and an electromagnetic switch control were flexibly commutated to while connects in parallel, realize each time that the electromagnetic pulse signal leads to the action of motor rotating a week, the rethread speed reducing ratio is 1: 8 gear mesh, convert the spinning movement of input shaft a week into output spinning movement in epaxial 18 weeks, realize rotatory 45 the function of walking each time, the moment of torsion of motor is enlargied 8 times of outputs by reducing gear, the directional control valve of recycling an electromagnetic switch control can make the reverse stepwise operation that exports of output shaft, it is automatic with occasions such as linkages to be applied to the building rig.

Description

A kind of novel hydraulic pressure stepper

Technical field

This utility model relates to a kind of novel hydraulic pressure stepper.It is mainly used in high pulling torque step-by-step movement and rotates operating mode, rotate 1/8 according to both forward and reverse directions every time and rotate into row stepwise motion, can apply to build rig and automatically add the occasions such as linkage.

Background technology

Generally add, at building rig, the mode using hydraulic motor to add electrical control inside linkage and realize accurate angle Spin Control, owing to the minimum speed of hydraulic motor has certain limitations, hydraulic motor hydraulic efficiency can be caused drastically to decline when motor rotary speed is less than 5 revs/min, increase hydraulic pressure loss, reduce the moment of torsion of motor output, and use electrical control easily to cause deviations, the accurate anglec of rotation cannot be realized, control to rotary speed is relatively difficult simultaneously, therefore, need a kind of compact conformation, control reliable, the hydraulic pressure stepper that can realize accurate angle rotation meets this kind of operating mode.

Summary of the invention

Technical problem to be solved in the utility model is: add the problems such as electric controling mode hydraulic efficiency is low, output moment of torsion is little, electrical control location difficulty, rotary speed control difficulty for existing hydraulic motor, a kind of novel hydraulic pressure stepper is provided, is suitable for the operation occasion once rotating 1/8 turn, output moment of torsion is big.

In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions:

A kind of novel hydraulic pressure stepper, including zero motor, key, outer-hexagonal bolts, sealing ring, end cap, Large Gear Shaft, soket head cap screw, seal washer, bearing, left outside shell, right casing, gear wheel, support ring, pinion shaft, recessed take turns, servomotor driven change valve, control valve block, oil return pipe, high-pressure oil pipe, fuel tank, high pressure fuel source, step motion control valve, reversing control valve, little gear, A oil pipe, B oil pipe, pipe joint, cutting ferrule nut, pad, pipe clamp, it is characterized in that: the described pinion shaft left side is arranged in left outside shell by bearing, a support ring is installed on the bearing left side, support ring left end is the ring flange of zero motor, this ring flange is fixedly mounted on left outside shell by four outer-hexagonal bolts, sealing ring is had between ring flange and left outside shell, the pinion shaft left side is connected with the output shaft of zero motor；Being arranged in right casing by another one bearing on the right of described pinion shaft, a support ring is installed on this bearing left side, and support ring left end is pushed down little gear, had a key between little gear and pinion shaft；The right of this bearing is end cap, and end cap is fixedly mounted on right casing by four soket head cap screws, has sealing ring between pinion shaft and end cap, has seal washer between end cap and right casing, recessed takes turns the right being arranged on pinion shaft by key.

The described Large Gear Shaft left side is arranged in left outside shell by bearing, an end cap is installed on the bearing left side, end cap is fixedly mounted on left outside shell by four soket head cap screws, is provided with seal washer between end cap and left outside shell, is provided with sealing ring between end cap and Large Gear Shaft；Being arranged in right casing by another one bearing on the right of Large Gear Shaft, this bearing left side is provided with support ring, and gear wheel is axially fixed in Large Gear Shaft by support ring, and key is by gear wheel and Large Gear Shaft synchronous rotary.

One group of control valve comprises a control valve block, a servomotor driven change valve, step motion control valve, a reversing control valve has been fixedly mounted on control valve block, reversing control valve, step motion control valve, servomotor driven change valve all use soket head cap screw to be fixed on control valve block, control valve block uses soket head cap screw to be fixed on left outside shell, and control valve block can carry out the left and right fine setting of no more than 2 millimeters；Step motion control valve and reversing control valve are solenoid directional control valve, its commutation is controlled by electric switch signal, servomotor driven change valve is connected with high pressure fuel source after the P mouth parallel connection of stepping reversal valve, it is connected with fuel tank after T mouth parallel connection, after A mouth parallel connection, the P mouth with reversing control valve is connected, after B mouth parallel connection, the T mouth with reversing control valve is connected, and the A mouth of reversing control valve is connected with the A mouth of zero motor, and the B mouth of reversing control valve is connected with the B mouth of zero motor.

The commutation roller of servomotor driven change valve recessed take turns indentations bottom time, tetra-mouths of P, T, A, B of servomotor driven change valve are the most obstructed, the whole no power of DT1 and DT2, tetra-mouths of P, T, A, B of step motion control valve are the most obstructed, owing to the P mouth of servomotor driven change valve and step motion control valve is all to close, the hydraulic oil of high pressure fuel source cannot be introduced into A mouth and the B mouth of zero motor, motor is motionless, simultaneously because the A mouth of servomotor driven change valve and step motion control valve and B mouth are all to close, the A mouth of motor and the oil of B mouth are all lockable, and therefore motor will not follow pinion shaft rotation.

Described zero motor rotates with little gear synchronous, gear wheel is 8: 1 with the gear ratio of little gear, Large Gear Shaft and gear wheel synchronous rotary, when zero motor rotates a circle, the left end of Large Gear Shaft reversely exports 1/8 week, i.e. 45 °, if using the gear mesh of different drive ratios, different step angle can be exported.

The electric magnet DT2 energising of described reversing control valve, reversing solenoid valve commutates, and its P mouth leads to B mouth, and A mouth leads to T mouth, and zero motor can be made to reversely rotate, and makes the left end delivery outlet of Large Gear Shaft reversely rotate.

After using said structure: utilize the gear ratio of reduction gearing can accurately control the angle rotated each time；The valve core opening size of servomotor driven change valve enters recessed notch depth of taking turns with commutation roller and is inversely proportional to, it is possible to achieve the control effect that zero motor quickly rotates, slowly stops, it is to avoid producing and stops impact；Electrical control is simple, as long as the electric magnet of electricity consumption digital output modul reversing control valve and step motion control valve can realize accurate stepwise operation；Zero motor output moment of torsion amplifies 8 times.

Accompanying drawing explanation

The hydraulic pressure stepper schematic diagram that 1 one kinds of accompanying drawing is novel

The hydraulic pressure stepper three dimensional structure profile that 2 one kinds of accompanying drawing is novel

The hydraulic pressure stepper three dimensional structure design sketch 1 that 3 one kinds of accompanying drawing is novel

The hydraulic pressure stepper three dimensional structure design sketch 2 that 4 one kinds of accompanying drawing is novel

Detailed description of the invention

Below in conjunction with accompanying drawing and specific implementation process, this utility model is elaborated.

nullSee Fig. 1～Fig. 4，A kind of novel hydraulic pressure stepper，By zero motor 1、Key I 2、Outer-hexagonal bolts I 3、Sealing ring I 4、End cap I 5、Large Gear Shaft 6、Sealing ring II 7、Soket head cap screw I 8、Seal washer I 9、Bearing I 10、Left outside shell 11、Right casing 12、Gear wheel 13、Key II 14、Support ring I 15、Bearing I I 16、Support ring II 17、Bearing I II 18、Seal washer II 19、End cap II 20、Sealing ring III 21、Pinion shaft 22、Key III 23、Recessed take turns 24、Servomotor driven change valve 25、Control valve block 26、Oil return pipe 27、High-pressure oil pipe 28、Fuel tank 29、High pressure fuel source 30、Step motion control valve 31、Reversing control valve 32、Sealing ring IV 33、Key IV 34、Little gear 35、Bearing I V 36、Support ring III 37、A oil pipe 38、B oil pipe 39、Soket head cap screw II 40、Pipe joint 41、Cutting ferrule nut 42、Soket head cap screw III 43、Pad 44、Outer-hexagonal bolts II 45、Pipe clamp 46 forms，Large Gear Shaft 6 in Fig. 1 is the output part of hydraulic pressure stepper，Remaining all parts is provided to control the motion of Large Gear Shaft 6 and be equipped with；If realizing that little gear rotates a circle, Large Gear Shaft 6 rotates 45 °, and needing gear wheel is 8:1 with the tooth ratio of little gear；The left side of Large Gear Shaft 6 connects the workpiece needing to rotate, and such as building rig adds the pipe slacking block in linkage.

Shown in Fig. 1, pinion shaft 22 left side is arranged in left outside shell 11 by bearing I V36, the right is arranged in right casing 12 by bearing I II18, support ring III37 is installed on the bearing I V36 left side, support ring III37 left end is the ring flange of zero motor 1, and this ring flange is fixedly mounted on left outside shell 11 by four outer-hexagonal bolts I3, has sealing ring I4 between ring flange and left outside shell 11, preventing the lubricating oil in the middle of the shell of left and right from leaking, pinion shaft 22 left side is connected with the output shaft of zero motor 1；Support ring II17 is installed on the bearing I II18 left side, and support ring II17 left end is pushed down little gear 35, had a key IV34 between little gear 35 and pinion shaft 22, can allow and not have relative rotary motion between little gear 35 and pinion shaft 22；The right of bearing I II18 is end cap II 20, end cap II20 is fixedly mounted on right casing 12 by four soket head cap screw I8, sealing ring III21 is had between pinion shaft 22 and end cap II20, there is seal washer II19 between end cap II20 and right casing 12, recessed take turns 24 the right being arranged on pinion shaft 22 by key III23.

Large Gear Shaft 6 left side is arranged in left outside shell 11 by bearing I 10, the right is arranged in right casing 12 by bearing I I16, an end cap I5 is installed on bearing I 10 left side, end cap I5 is fixedly mounted on left outside shell 11 by four soket head cap screw I8, seal washer I9 is installed between end cap I5 and left outside shell 11, sealing ring II 7 is installed between end cap I5 and Large Gear Shaft 6；The bearing I I16 left side is provided with support ring I15, and gear wheel 13 is axially fixed in Large Gear Shaft 6 by support ring I15, and gear wheel 13 and Large Gear Shaft 6 synchronous rotary, the i.e. spinning movement of gear wheel 13 can be driven Large Gear Shaft 6 synchronous rotary by key II14.

Shown in Fig. 3, reversing control valve 32, step motion control valve 31, servomotor driven change valve 25 all use soket head cap screw I8 to be fixed on control valve block 26, control valve block 26 uses soket head cap screw II40 to be fixed on left outside shell 12, control valve block 26 can carry out the left and right fine setting of no more than 2 millimeters so that the commutation roller of servomotor driven change valve 25 arrive recessed take turns 24 indentations bottom time just make P, T, A, B Close All of servomotor driven change valve 25；Inside control valve block 26, the P mouth of servomotor driven change valve 25 is in parallel with the P mouth of step motion control valve 31, the T mouth of servomotor driven change valve 25 is in parallel with the T mouth of step motion control valve 31, the A mouth of servomotor driven change valve 25, step motion control valve 31 A mouth in parallel with the P mouth of reversing control valve 32, the B mouth of servomotor driven change valve 25, step motion control valve 31 B mouth in parallel with the T mouth of reversing control valve 32.The A mouth of reversing control valve 32 is connected with the A mouth of zero motor 1, and the B mouth of reversing control valve 32 is connected with the B mouth of zero motor 1.

Left outside shell 11 is connected with right casing 12 soket head cap screw III43, centre one sealing ring IV 33 of folder, and A oil pipe 38 and B oil pipe 39 is fixed by pipe clamp 46, and pipe clamp 46 is fixed on left outside shell 11 and right casing 12 by outer-hexagonal bolts II 45.

Claims

null1. a novel hydraulic pressure stepper，Including zero motor (1)、Key I (2)、Outer-hexagonal bolts I (3)、Sealing ring I (4)、End cap I (5)、Large Gear Shaft (6)、Sealing ring II (7)、Soket head cap screw I (8)、Seal washer I (9)、Bearing I (10)、Left outside shell (11)、Right casing (12)、Gear wheel (13)、Key II (14)、Support ring I (15)、Bearing I I (16)、Support ring II (17)、Bearing I II (18)、Seal washer II (19)、End cap II (20)、Sealing ring III (21)、Pinion shaft (22)、Key III (23)、Recessed take turns (24)、Servomotor driven change valve (25)、Control valve block (26)、Oil return pipe (27)、High-pressure oil pipe (28)、Fuel tank (29)、High pressure fuel source (30)、Step motion control valve (31)、Reversing control valve (32)、Sealing ring IV (33)、Key IV (34)、Little gear (35)、Bearing I V (36)、Support ring III (37)、A oil pipe (38)、B oil pipe (39)、Soket head cap screw II (40)、Pipe joint (41)、Cutting ferrule nut (42)、Soket head cap screw III (43)、Pad (44)、Outer-hexagonal bolts II (45)、Pipe clamp (46)，It is characterized in that: it is inner that described pinion shaft (22) left side is arranged on left outside shell (11) by bearing I V (36)，It is inner that the right is arranged on right casing (12) by bearing I II (18)，Support ring III (37) is installed on bearing I V (36) left side，Support ring III (37) left end is the ring flange of zero motor (1)，This ring flange is fixedly mounted on left outside shell (11) by four outer-hexagonal bolts I (3)，Sealing ring I (4) is had between ring flange and left outside shell (11)，Pinion shaft (22) left side is connected with the output shaft of zero motor (1)；Support ring II (17) is installed on bearing I II (18) left side, support ring II (17) left end pushes down little gear (35), has a key IV (34) between little gear (35) and pinion shaft (22)；The right of bearing I II (18) is end cap II (20), end cap II (20) is fixedly mounted on right casing (12) by four soket head cap screw I (8), sealing ring III (21) is had between pinion shaft (22) and end cap II (20), seal washer II (19), recessed take turns (24) is had to be arranged on the right of pinion shaft (22) by key III (23) between end cap II (20) and right casing (12)；It is inner that Large Gear Shaft (6) left side is arranged on left outside shell (11) by bearing I (10), it is inner that the right is arranged on right casing (12) by bearing I I (16), an end cap I (5) is installed on bearing I (10) left side, end cap I (5) is fixedly mounted on left outside shell (11) by four soket head cap screw I (8), seal washer I (9) is installed between end cap I (5) and left outside shell (11), sealing ring II (7) is installed between end cap I (5) and Large Gear Shaft (6)；Bearing I I (16) left side is provided with support ring I (15), gear wheel (13) is axially fixed in Large Gear Shaft (6) by support ring I (15), and key II (14) is by gear wheel (13) and Large Gear Shaft (6) synchronous rotary；Reversing control valve (32), step motion control valve (31), servomotor driven change valve (25) all use soket head cap screw I (8) to be fixed on control valve block (26), control valve block (26) uses soket head cap screw II (40) to be fixed on left outside shell (12), and control valve block (26) can carry out the left and right fine setting of no more than 2 millimeters.
A kind of novel hydraulic pressure stepper, it is characterized in that: described zero motor (1) and little gear (35) synchronous rotary, gear wheel (13) is 8: 1 with the gear ratio of little gear (35), Large Gear Shaft (6) and gear wheel (13) synchronous rotary, zero motor (1) rotates a circle, gear wheel (13) rotates 1/8 week, the left end output of Large Gear Shaft (6) 1/8 week, i.e. 45 °.