CN204153070U

CN204153070U - Multi-scheme, modular type, constant-power, stepless speed-regulating mechanism

Info

Publication number: CN204153070U
Application number: CN201420520147.9U
Authority: CN
Inventors: 张晋
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-11
Filing date: 2014-09-11
Publication date: 2015-02-11
Anticipated expiration: 2024-09-11

Abstract

The utility model provides a kind of multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, and this stepless speed regulation is by reduce or the distance strengthened between separate loading belt pulley driving wheel and fixed wheel realizes.In machine operation, belt pulley rotates, and regulator control system Seeking Truth is fixed again, this just requires that regulator control system must the two kinds of requirements of simultaneous adaptation sound.Bearing retainer is used to address this problem well, bearing retainer buried bearing, outer race and bearing retainer are fixed, bearing inner ring and belt pulley are fixed, only drive bearing inner ring to rotate when belt rotates, and outer race and bearing retainer are motionless, this bearing retainer that just can use carries out stepless change regulation and control.In using process, the direct or indirect Control Shaft support of regulating module moves up and down, and drives the driving wheel of separate loading belt wheel set to move up and down, the distance between changing that belt wheel set is dynamic and static and taking turns, thus change the transmission speed ratio of two ends belt wheel set, reach the object of stepless mechanical speed governing.

Description

Multi-scheme, modular type, constant-power, stepless speed-regulating mechanism

Technical field

The utility model relates to a kind of stepless speed regulation, specifically a kind of multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, and it is suitable for the various machinery and the electric tool that need constant-power, stepless speed-regulating.

Background technique

The Berch drill with stepless speed regulation of prior art, as the patent No. 011079320 denomination of invention: Berch drill with stepless speed regulation, as patent No. ZL200820224197.7 denomination of invention: combined energy-saving stepless speed change bench drill, in actual implementation process, there is following problem in these two technology:

1) they are only for a kind of electric tool of bench drill, and a large amount of other needs the machinery of stepless speed regulation and electric tool to differ to be suitable for surely;

2) various machinery and electric tool vary, and above single alternative is left with no alternative, and want to accomplish stepless speed regulation, will spend a large amount of human and material resources, time, and carry out independent development and design, cost is high, and the cycle is long, uncertain success;

3) the more difficult realization of above technology, stepless speed regulation is not that self-locking is malfunctioning, is exactly bending deflection, and speed governing is forbidden, and performance is very unreliable; Why on market, not there is above product in batch, is exactly because above technology is immature, really cannot enters the practical stage.

For solving the problem, to meet the constant-power, stepless speed-regulating demand of various machinery and electric tool, provide now a kind of multi-scheme, modular type, constant-power, stepless speed-regulating mechanism.

Summary of the invention

Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of multi-scheme, modular type, constant-power, stepless speed-regulating mechanism.

Reduce or strengthen the distance between separate loading belt pulley driving wheel and fixed wheel, belt is moved to center to edge or by edge at belt wheel set Nei You center.If there are two pairs of separate loading belt wheel sets to share a belt, when increasing or reduce the spacing of one end belt wheel set driving wheel and fixed wheel, belt at one end belt wheel set Zhong Huiyou center moves to edge or from edge to center, and can move in the opposite direction in belt wheel set at the other end belt, from edge to center or by center to edge.Certainly, belt pulley stress surface and belt both ends of the surface must have several angle, the component that angle produces makes belt move along belt pulley stress surface, this movement, change from small to big or from large to small in belt circle one end that belt is formed in separate loading belt wheel set, and just in time contrary in the other end belt wheel set, thus change the transmission speed ratio in two pairs of separate loading belt wheel sets, achieve stepless speed regulation.And stepless speed regulation now follows the rule that torque times is a steady state value with rotating speed, constant-power speed regulation that Here it is.

That is, as long as regulate the distance between one end belt pulley driving wheel and fixed wheel, just mechanical stepless constant-power speed regulation can be realized.

On the other hand, in machine operation, belt pulley rotates, and regulator control system Seeking Truth is fixed again, this just requires that regulator control system must the dynamic and static two kinds of requirements of simultaneous adaptation.Bearing retainer is used to address this problem well.Bearing retainer buried bearing, outer race and bearing retainer are fixed.Bearing inner ring and belt pulley are fixed, and only drive bearing inner ring to rotate when belt rotates, and outer race and bearing retainer are motionless, this bearing retainer that just can use carries out stepless change regulation and control.

In the process moved up and down making bearing retainer, drive the driving wheel of separate loading belt wheel set to move up and down, the distance between changing that belt wheel set is dynamic and static and taking turns, thus changed the transmission speed ratio of two ends belt wheel set, reach the object of stepless mechanical speed governing.

Describe according to above, the utility model solves the technological scheme that its technical problem adopts and is:

Multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, comprise body, powered axle assemblies that correspondence is arranged on body two ends and output shaft assembly and the mair motor that is connected with powered axle assemblies, also comprises the speed governing Power Component be arranged on powered axle assemblies;

Described powered axle assemblies comprises the line shaft be connected with mair motor, the line shaft spring being arranged on the separate loading line shaft belt pulley on line shaft and being installed on line shaft, and described line shaft is vertically mounted on body by line shaft bearing pair; Described separate loading line shaft belt pulley, speed governing Power Component and line shaft spring are installed on line shaft from top to bottom successively, and the top of speed governing Power Component is fixedly connected with the bottom of separate loading line shaft belt pulley, the bottom of speed governing Power Component is fixedly connected with line shaft spring;

Described output shaft assembly comprises by the secondary output shaft be vertically mounted on body of output shaft bearing, is arranged on the separate loading output shaft belt wheel on output shaft and is installed on the output shaft spring on output shaft top, and the top that bottom and the separate loading output shaft belt of described output shaft spring are taken turns is fixedly connected with;

Described separate loading line shaft belt pulley and separate loading output shaft belt are taken turns and are linked together by belt.

In order to realize the most most economical or the meticulousst stepless speed regulation the most smoothly, prioritizing selection, described speed governing Power Component comprises the arrangements for speed regulation that bearing retainer and pushing shaft support move up and down along line shaft, described bearing retainer is installed on line shaft by bearing retainer bearing, and the inner ring of bearing retainer bearing is fixedly connected with the bottom of separate loading line shaft belt pulley.

In order to realize the most most economical stepless time adjustment, prioritizing selection, described speed governing Power Component comprises circular shaft support, arrangements for speed regulation and connects the bearing palette fork of circular shaft support and arrangements for speed regulation;

Described circular shaft support is installed on line shaft by circular shaft support bearing, and the inner ring of circular shaft support bearing is fixedly connected with the bottom of separate loading line shaft belt pulley;

Body is vertically installed with pole, and the intermediate portion of bearing palette fork is installed on pole, and one end of bearing palette fork is fixedly connected with arrangements for speed regulation, and the other end clamp of bearing palette fork is between the external ear of circular shaft support.

Detailed, described separate loading output shaft belt wheel comprises output shaft belt wheel fixed wheel and output shaft belt wheel driving wheel, described output shaft belt wheel fixed wheel is fixedly mounted on output shaft, the output shaft belt wheel that moves in turn is slidably mounted on output shaft, and output shaft belt wheel driving wheel is also fixedly connected with output shaft spring.

Detailed, described separate loading line shaft belt pulley comprises line shaft belt pulley fixed wheel and line shaft belt pulley driving wheel, described line shaft belt pulley fixed wheel is fixedly mounted on line shaft, line shaft belt pulley driving wheel is slidably mounted on line shaft, and the inner ring of line shaft belt pulley driving wheel and bearing retainer bearing or line shaft spring are fixedly connected with.

Prioritizing selection, described arrangements for speed regulation are the one in speed governing oil cylinder, speed governing electromagnet, speed-adjustable motor, speed-regulating hand wheel or speed governing knob.

In order to solve the speed adjustable range expanding stepless speed regulation, avoid the situation occurring in speed regulation process not increasing at a high speed, low speed is unable to come down, a kind of two-part stepless speed regulation of invention design, the technological scheme adopted is:

Multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, comprise body, powered axle assemblies that correspondence is arranged on body two ends and output shaft assembly and the mair motor that is connected with powered axle assemblies, it is characterized in that, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described powered axle assemblies comprise be connected with mair motor line shaft, be arranged on the separate loading line shaft belt pulley on line shaft and be installed on the line shaft spring on line shaft top, described line shaft is vertically mounted on body by line shaft bearing pair, and the bottom of described line shaft spring is fixedly connected with the top of separate loading line shaft belt pulley;

Described output shaft assembly comprises the output shaft spring of being taken turns by the secondary output shaft be vertically mounted on body of output shaft bearing, the separate loading output shaft belt be arranged on output shaft and being installed on output shaft, described output shaft spring is positioned at the below of separate loading output shaft belt wheel, and the bottom that the top of output shaft spring and separate loading output shaft belt are taken turns is fixedly connected with;

Described transmission shaft component comprise be vertically mounted on transmission shaft on body by transmission shaft bearing pair, correspondence is arranged on the upper separate loading transmission shaft belt pulley of transmission shaft upper and lower and lower separate loading transmission shaft belt pulley;

Described speed governing Power Component to be installed on transmission shaft and between upper separate loading transmission shaft belt pulley and lower separate loading transmission shaft belt pulley, the top of described speed governing Power Component is fixedly connected with the bottom of upper separate loading transmission shaft belt pulley, and the bottom of speed governing Power Component is fixedly connected with the top of lower separate loading transmission shaft belt pulley;

Described lower separate loading transmission shaft belt pulley and separate loading output shaft belt are taken turns and are linked together by the first belt, and described upper separate loading transmission shaft belt pulley and separate loading line shaft belt pulley are linked together by the second belt.

Described speed governing Power Component comprises circular shaft support, arrangements for speed regulation and connects the bearing palette fork of circular shaft support and arrangements for speed regulation;

Described circular shaft support is installed on transmission shaft by circular shaft support bearing pair, and the top of circular shaft support bearing pair is fixedly connected with the bottom of upper separate loading transmission shaft belt pulley, the bottom of circular shaft support bearing pair is fixedly connected with the top of lower separate loading transmission shaft belt pulley;

Detailed, described upper separate loading transmission shaft belt pulley comprises the upper fixed wheel on transmission shaft top setting up and down and upper driving wheel, and described upper fixed wheel is fixedly mounted on transmission shaft top; Described upper driving wheel is slidably mounted on transmission shaft top, and upper driving wheel bottom is fixedly connected with the top of circular shaft support bearing pair.

Detailed, described lower separate loading transmission shaft belt pulley comprises the lower driving wheel in transmission shaft bottom setting up and down and lower fixed wheel, and described lower driving wheel is slidably mounted on transmission shaft bottom, and lower driving wheel top is fixedly connected with the bottom of circular shaft support bearing pair; Described lower fixed wheel is fixedly mounted on transmission shaft bottom.

Compared with prior art, the beneficial effect produced is for multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism:

1) the interspersed speed governing Power Component be made up of bearing retainer and arrangements for speed regulation on powered axle assemblies of the present utility model, in working procedure, arrangements for speed regulation drive line shaft transmission shaft component medium power shaft pulley driving wheel to move up and down along line shaft by bearing retainer, change the distance between separate loading line shaft belt pulley medium power shaft pulley driving wheel and line shaft belt pulley fixed wheel, line shaft belt pulley driving wheel is upwardly or downwards away from belt, belt moves to center along line shaft belt pulley driving wheel and line shaft belt pulley fixed wheel inclined-plane from center to edge or by edge, simultaneously, belt is moved to edge to center or from center along inclined-plane by edge under a stretching force between the other end output shaft belt wheel fixed wheel and output shaft belt wheel driving wheel, change the transmission speed ratio between two groups of belt wheel sets, the stepless speed regulation that final realization is the most most economical,

2) powered axle assemblies of the present utility model is interspersed with circular shaft support, the speed governing Power Component of arrangements for speed regulation and bearing palette fork composition, in working procedure, arrangements for speed regulation drive circular journal bearing holder to move up and down by driving bearing palette fork to move up and down indirectly, and then the line shaft belt pulley driving wheel entrusting separate loading line shaft belt pulley in dynamic line shaft transmission shaft component by circular journal bearing again moves up and down along line shaft, change the distance between the line shaft belt pulley driving wheel of separate loading line shaft belt pulley and line shaft belt pulley fixed wheel, line shaft belt pulley driving wheel is upwardly or downwards away from belt, belt moves to center along line shaft belt pulley driving wheel and line shaft belt pulley fixed wheel inclined-plane from center to edge or by edge, simultaneously, belt is moved to edge to center or from center along inclined-plane by edge under a stretching force between the other end output shaft belt wheel fixed wheel and output shaft belt wheel driving wheel, change the transmission speed ratio between two groups of belt wheel sets, the meticulousst stepless speed regulation the most smoothly of final realization,

3) transmission shaft component is provided with between powered axle assemblies of the present utility model and output shaft assembly, transmission shaft component comprises transmission shaft and upper separate loading belt pulley on transmission shaft setting up and down and lower separate loading belt pulley, transmission shaft between described upper separate loading belt pulley and lower separate loading belt pulley interts by circular shaft support, the speed governing Power Component of arrangements for speed regulation and bearing palette fork composition, in working procedure, arrangements for speed regulation drive circular journal bearing holder to move up and down by driving bearing palette fork to move up and down indirectly, and then entrust the upper driving wheel of dynamic transmission shaft component by circular journal bearing again and lower driving wheel synchronously moves up and down, draw the left end of pine and extruding the first belt simultaneously, extrude or draw the right-hand member of loose second belt, the belt of the first skin left end circle is made to diminish or become large, under the extruding or pulling force of output shaft spring, the right-hand member belt circle of the first belt becomes large or diminishes, meanwhile, the belt of the second belt right-hand member circle is made to become large or diminish, and the belt circle pullling the second belt left end diminishes or becomes large, separate loading belt pulley and separate loading line shaft belt pulley in change, lower separate loading belt pulley and separate loading output shaft belt take turns between transmission speed ratio, finally realize two sections of stepless speed regulations.

Accompanying drawing explanation

Accompanying drawing 1 is the structural representation of specific embodiment one in the utility model;

Accompanying drawing 2 is the structural representation of specific embodiment two in the utility model;

Accompanying drawing 3 is the structural representation of specific embodiment three in the utility model;

Accompanying drawing 4 is the structural representation of specific embodiment four in the utility model;

Accompanying drawing 5 is the structural representation of specific embodiment five in the utility model;

Accompanying drawing 6 is the structural representation of specific embodiment six in the utility model;

Accompanying drawing 7 is the structural representation of specific embodiment seven in the utility model;

Accompanying drawing 8 is the structural representation of specific embodiment eight in the utility model;

Accompanying drawing 9 is the structural representation of specific embodiment nine in the utility model;

Accompanying drawing 10 is the structural representation of specific embodiment ten in the utility model;

Accompanying drawing 11 is the structural representation of specific embodiment 11 in the utility model;

Accompanying drawing 12 is the structural representation of specific embodiment 12 in the utility model;

Accompanying drawing 13 is the structural representation of specific embodiment 13 in the utility model;

Accompanying drawing 14 is the structural representation of specific embodiment 14 in the utility model;

Accompanying drawing 15 is the structural representation of specific embodiment 15 in the utility model;

Accompanying drawing 16 is the bearing retainer structure for amplifying stereogram used in Fig. 1 to Fig. 5;

Accompanying drawing 17 is that the circular journal bearing used in Fig. 6 to Figure 15 props up macrostructure plan view;

Accompanying drawing 18 is the structure plan view in Figure 17;

Accompanying drawing 19 is the bearing palette fork structure for amplifying schematic diagram used in Fig. 6 to Figure 15;

Accompanying drawing 20 is the structural representation of speed-adjustable motor control panel in the utility model;

Accompanying drawing 21 is the structural representation of speed governing oil cylinder control panel in the utility model;

Accompanying drawing 22 is the structural representation of speed governing magnet control panel in the utility model;

Accompanying drawing 23 is the cut-away view of speed governing electromagnet in the utility model;

Accompanying drawing 24 is the circuit diagram of speed governing electromagnet in Figure 23;

Accompanying drawing 25 is that A in Fig. 5 and Figure 10 is to local structural graph.

In figure, 1, body, 2, output shaft, 3, output shaft bearing is secondary, and 4, output shaft belt wheel fixed wheel, 5, belt, 6, output shaft belt wheel driving wheel, 7, output shaft spring, 8, circular shaft support, 9, circular shaft support bearing, 10, upper driving wheel, 11, upper fixed wheel, 12, circular shaft support bearing pair, 13, bearing palette fork, 14, line shaft, 15, line shaft spring, 16, line shaft belt pulley driving wheel, 17, line shaft belt pulley fixed wheel, 18, line shaft bearing pair, 19, mair motor, 20, speed governing oil cylinder, 21, speed governing oil cylinder pull bar, 22, transmission shaft, 23, transmission shaft bearing is secondary, and 24, lower fixed wheel, 25, lower driving wheel, 26, speed governing electromagnet, 261, speed governing electromagnet top, 262, speed governing electromagnet bottom, 27, locking electromagnet, 28, speed governing electromagnet pull bar, 29, speed-adjustable motor, 30, bearing retainer screw, 31, speed-adjustable motor screw rod, 32, speed-regulating hand wheel, 33, speed-regulating hand wheel screw rod, 34, speed governing knob, 35, speed governing knob screw rod, 36, elongated hole, 37, bearing retainer bearing, 38, bearing retainer, 39, first belt, 40, second belt, 41, speed-adjustable motor control panel, 42, speed governing oil cylinder control panel, 43, speed governing magnet control panel, 44, speed-adjustable motor push buttondown, 45, speed-adjustable motor raising speed button, 46, speed governing oil cylinder speed governing button, 47, speed governing electromagnet push buttondown, 48, speed governing electromagnet raising speed button, 49, pole.

Embodiment

Below in conjunction with accompanying drawing also by 15 specific embodiments, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism are described in detail below.

Embodiment one:

By reference to the accompanying drawings 1,16, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described powered axle assemblies comprise be connected with mair motor 19 line shaft 14, be arranged on the separate loading line shaft belt pulley on line shaft 14 and be installed on the line shaft spring 15 line shaft 14 is positioned at below separate loading line shaft belt pulley, described line shaft 14 is vertically mounted on body 1 by line shaft bearing pair 18, described separate loading line shaft belt pulley comprises line shaft belt pulley fixed wheel 17 setting up and down and line shaft belt pulley driving wheel 16, and line shaft belt pulley fixed wheel 17 is fixedly connected with line shaft 14, line shaft belt pulley driving wheel 16 and line shaft 14 are slidably connected;

Described output shaft assembly is comprised the output shaft 2 be vertically mounted on by output shaft bearing pair 3 on body 1, is arranged on the separate loading output shaft belt wheel on output shaft 2 and is installed on output shaft 2 upper end and presses down the output shaft spring 7 of separate loading output shaft belt wheel, described separate loading output shaft belt wheel comprises output shaft belt wheel driving wheel 6 setting up and down and output shaft belt wheel fixed wheel 4, and output shaft belt wheel driving wheel 6 is slidably connected with output shaft 2, output shaft spring 7 is fitted on output shaft belt wheel driving wheel 6 downwards, and output shaft belt wheel fixed wheel 4 is fixedly connected with output shaft 2;

Described separate loading line shaft belt pulley and separate loading output shaft belt are taken turns and are linked together by belt 5;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises the speed governing oil cylinder 20 that bearing retainer 38 and pushing shaft support 38 move up and down along line shaft 14, described bearing retainer 38 is installed on line shaft 14 by bearing retainer bearing 37, and bearing retainer bearing 37 is fixedly connected with the bottom of line shaft belt pulley driving wheel 16; Speed governing oil cylinder 20 is fixedly installed on body 1, and speed governing oil cylinder pull bar 21 is connected with bearing retainer 38 is vertical; Under the effect of speed governing oil cylinder 20, bearing retainer 38 drives line shaft belt pulley driving wheel 16 to slide up and down along line shaft 14.

By reference to the accompanying drawings 1,16,21, during work: the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and now, fuel path switch is in closed condition, and speed governing oil cylinder 20 is failure to actuate, speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "+" position, the lower end oil circuit of speed governing oil cylinder 20 is opened, promote the speed governing oil cylinder pull bar 21 pushing shaft support 38 that moves upward to move upward along line shaft 14, and then drive line shaft belt pulley driving wheel 16 upwardly belt 5, belt 5 moves to edge along line shaft belt pulley driving wheel 16 and line shaft belt pulley fixed wheel 17 inclined-plane from center, simultaneously, belt 5 is moved to center along inclined-plane by edge under a stretching force between the other end output shaft belt wheel fixed wheel 4 and output shaft belt wheel driving wheel 6, change the transmission speed ratio between two groups of belt wheel sets, rotating speed is more and more faster, when reaching required rotating speed, the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and speed governing terminates, and due to the incompressibility of liquid, this speed governing position is fixed by speed governing oil cylinder 20, when the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "-" position, above direction of action is contrary, and machine rotational speed is more and more slower, thus realizes the most most economical stepless speed regulation.

Embodiment two:

By reference to the accompanying drawings 2,16, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises the speed governing electromagnet 26 that bearing retainer 38 and pushing shaft support 38 move up and down along line shaft 14, described bearing retainer 38 is arranged on line shaft 14 by bearing retainer bearing 37, and be connected with line shaft spring 15 below bearing retainer 38, be fixedly connected with line shaft belt pulley driving wheel 16 by bearing retainer bearing 37 above bearing retainer 38; Described speed governing electromagnet 26 is fixed on body 1, and speed governing electromagnet pull bar 28 is fixedly connected with bearing retainer 38 through after locking electromagnet 27, and speed governing electromagnet pull bar about 28 is in series with speed governing electromagnet top 261 and speed governing electromagnet bottom 262; Under the effect of speed governing electromagnet 26, bearing retainer 38 drives line shaft belt pulley driving wheel 16 to slide up and down along line shaft 14.

Embodiment three:

By reference to the accompanying drawings 3,16, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises the speed-adjustable motor 29 that bearing retainer 38 and pushing shaft support 38 slide up and down along line shaft 14, described bearing retainer 38 is arranged on line shaft 14 by bearing retainer bearing 37, and be connected with line shaft spring 15 below bearing retainer 38, be fixedly connected with line shaft belt pulley driving wheel 16 by bearing retainer bearing 37 above bearing retainer 38; Described speed-adjustable motor 29 is fixed on body 1, bearing retainer 38 offers bearing retainer screw 30, and speed-adjustable motor screw rod 31 cooperation is inserted in bearing retainer screw 30 and is fixedly connected with bearing retainer 38; Under the effect of speed-adjustable motor 29, bearing retainer 38 drives line shaft belt pulley driving wheel 16 to slide up and down along line shaft 14.

By reference to the accompanying drawings 3,16,20, during work: the speed-adjustable motor raising speed button 45 pressing speed-adjustable motor control panel 41, speed-adjustable motor 29 rotates counterclockwise, and the speed-adjustable motor screw rod 31 pushing shaft support 38 be rotated counterclockwise is moved upward, machine speed is raised; When pressing the speed-adjustable motor push buttondown 44 of speed-adjustable motor control panel 41, speed-adjustable motor 29 turns clockwise, and the speed-adjustable motor screw rod 31 turned clockwise pulls down moving axis support 38, and machine underspeeds; When stopping pressing speed-adjustable motor raising speed button 45, speed-adjustable motor screw rod 31 self-locking, makes machine rotational speed fix.

Embodiment four:

By reference to the accompanying drawings 4,16, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises the speed-regulating hand wheel 32 that bearing retainer 38 and pushing shaft support 38 slide up and down along line shaft 14, described bearing retainer 38 is arranged on line shaft 14 by bearing retainer bearing 37, and be connected with line shaft spring 15 below bearing retainer 38, be fixedly connected with line shaft belt pulley driving wheel 16 by bearing retainer bearing 37 above bearing retainer 38, under the effect of speed-regulating hand wheel 32, bearing retainer 38 drives line shaft belt pulley driving wheel 16 to slide up and down along line shaft 14, described speed-regulating hand wheel 32 is fixed on body 1, bearing retainer 38 offers bearing retainer screw 30, and speed-regulating hand wheel screw rod 33 coordinates to insert in bearing retainer screw 30 and is connected with bearing retainer 38.

By reference to the accompanying drawings 4,16, during work: when rotating speed-regulating hand wheel 32 by hand and making it turn clockwise, speed-regulating hand wheel screw rod 33 pulls down moving axis support 38, and machine rotational speed is reduced; When rotating speed-regulating hand wheel 32 by hand and making it be rotated counterclockwise, speed-regulating hand wheel screw rod 33 is bearing retainer 38 upwardly, and machine rotational speed is reduced; When not rotating speed-regulating hand wheel 32, the screw thread self-locking of speed-regulating hand wheel screw rod 33 and bearing retainer screw 30 inwall, stationary machines rotating speed.

Embodiment five:

By reference to the accompanying drawings 5,16,25, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises the speed governing knob 34 that bearing retainer 38 and pushing shaft support 38 slide up and down along line shaft 14, described bearing retainer 38 is arranged on line shaft 14 by bearing retainer bearing 37, and be connected with line shaft spring 15 below bearing retainer 38, be fixedly connected with line shaft belt pulley driving wheel 16 by bearing retainer bearing 37 above bearing retainer 38, under the effect of speed governing knob 34, bearing retainer 38 drives line shaft belt pulley driving wheel 16 to slide up and down along line shaft 14, described body 1 offers the elongated hole 36 of longitudinal direction, described bearing retainer 38 offers bearing retainer screw 30, speed governing knob 34 is connected with body 1 through the elongated hole 36 of body 1, and is inserted in bearing retainer screw 30 by speed governing knob screw rod 35.

By reference to the accompanying drawings 5,16,25, during work: be rotated counterclockwise speed governing button 34, unclamp the locking state between speed governing knob 34 and body 1, speed governing knob 34 is moved up and down with hand, make speed governing knob 34 drive bearing retainer 38 to move up and down by speed governing knob screw rod 35 along the elongated hole 36 of body 1, thus change the rotating speed of machine; When reaching rotation speed requirements, the speed governing knob 34 that turns clockwise makes it be tightened on body 1, fixed rotating speed.

Embodiment six:

By reference to the accompanying drawings 6,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises circular shaft support 8, speed governing oil cylinder 20 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing oil cylinder 20, described circular shaft support 8 is arranged on line shaft 14 by circular shaft support bearing 9, and be connected with line shaft spring 15 below circular shaft support 8, be fixedly connected with line shaft belt pulley driving wheel 16 by circular shaft support bearing 9 above circular shaft support 8; Described speed governing oil cylinder 20 is fixed on body 1, body 1 is provided with pole 49, described bearing palette fork 13 is installed on pole 49, and bearing palette fork 13 one end clamp is between the external ear of circular shaft support 8, and bearing palette fork 13 the other end is fixedly connected with speed governing oil cylinder pull bar 21.

By reference to the accompanying drawings 6,17,18,19,21, during work: the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and now, fuel path switch is in closed condition, and speed governing oil cylinder 20 is failure to actuate, speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "+" position, the lower end oil circuit of speed governing oil cylinder 20 is opened, promote speed governing oil cylinder pull bar 21 to move upward, speed governing oil cylinder pull bar 21 drives bearing palette fork 13 to move upward, thus promotion circular shaft support 8 moves upward, further drive line shaft belt pulley driving wheel 16 moves upward, extruding belt 5, belt 5 is moved to edge along line shaft belt pulley driving wheel 16 and line shaft belt pulley fixed wheel 17 inclined-plane from center, simultaneously, belt 5 is moved to center along inclined-plane by edge under a stretching force between the other end output shaft belt wheel fixed wheel 4 and output shaft belt wheel driving wheel 6, change the transmission speed ratio between two groups of belt wheel sets, rotating speed is more and more faster, when reaching required rotating speed, the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and speed governing terminates, and due to the incompressibility of liquid, this speed governing position is fixed by speed governing oil cylinder 20, when the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "-" position, above direction of action is contrary, and machine rotational speed is more and more slower, thus realizes the meticulousst stepless speed regulation the most smoothly.

Embodiment seven:

By reference to the accompanying drawings 7,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises circular shaft support 8, speed governing electromagnet 26 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing electromagnet 26, described circular shaft support 8 is arranged on line shaft 14 by circular shaft support bearing 9, and be connected with line shaft spring 15 below circular shaft support 8, be fixedly connected with line shaft belt pulley driving wheel 16 by circular shaft support bearing 9 above circular shaft support 8; Described speed governing electromagnet 26 is fixed on body 1, body 1 is provided with pole 49, described bearing palette fork 13 is installed on pole 49, and bearing palette fork 13 one end clamp is between the external ear of circular shaft support 8, bearing palette fork 13 the other end is fixedly connected with speed governing electromagnet pull bar 28, and speed governing electromagnet pull bar about 28 is in series with speed governing electromagnet top 261 and speed governing electromagnet bottom 262.

By reference to the accompanying drawings 7,17,18,19,22,23,24, during work: the speed governing electromagnet raising speed button 48 pressing speed governing magnet control panel 43, speed governing electromagnet top 261 attracts speed governing electromagnet pull bar 28 to move upward, thus drive bearing palette fork 13 to move upward, and then promotion circular shaft support 8 moves upward, and machine rotational speed is raised, meanwhile, cut off the power supply of locking electromagnet 27, locking electromagnet 27 losing lock, is convenient to speed governing electromagnet pull bar 28 and moves; When speed governing passes speed, locking electromagnet 27 switches on power again, locking speed governing electromagnet pull bar 28, fixing speed governing position and machine speed, when pressing the speed governing electromagnet push buttondown 47 of speed governing magnet control panel 43, speed governing electromagnet bottom 262 works, and machine rotational speed is reduced, thus realizes the meticulousst stepless speed regulation the most smoothly.

Embodiment eight:

By reference to the accompanying drawings 8,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises circular shaft support 8, speed-adjustable motor 29 and connects the bearing palette fork 13 of circular shaft support 8 and speed-adjustable motor 29, described circular shaft support 8 is arranged on line shaft 14 by circular shaft support bearing 9, and be connected with line shaft spring 15 below circular shaft support 8, be fixedly connected with line shaft belt pulley driving wheel 16 by circular shaft support bearing 9 above circular shaft support 8; Described speed-adjustable motor 29 is fixed on body 1, body 1 is provided with pole 49, and described bearing palette fork 13 is installed on pole 49, and bearing palette fork 13 one end clamp is between the external ear of circular shaft support 8, and bearing palette fork 13 the other end is threaded with speed-adjustable motor screw rod 31.

By reference to the accompanying drawings 8,17,18,19,20, during work: the speed-adjustable motor raising speed button 45 pressing speed-adjustable motor control panel 41, speed-adjustable motor 29 rotates counterclockwise, the speed-adjustable motor screw rod 31 be rotated counterclockwise is made to drive bearing palette fork 13 to move upward, bearing palette fork 13 moves upward in promotion circular shaft support 8 again, and machine speed is raised; When pressing the speed-adjustable motor push buttondown 44 of speed-adjustable motor control panel 41, speed-adjustable motor 29 turns clockwise, and the speed-adjustable motor screw rod 31 turned clockwise pulls down dynamic bearing palette fork 13, and bearing palette fork 13 pulls circular journal bearing holder 8 downwards again, and machine underspeeds; When stopping pressing speed-adjustable motor raising speed button 45, speed-adjustable motor screw rod 31 self-locking, makes machine rotational speed fix.

Embodiment nine:

By reference to the accompanying drawings 9,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises circular shaft support 8, speed-regulating hand wheel 32 and connects the bearing palette fork 13 of circular shaft support 8 and speed-regulating hand wheel 32, described circular shaft support 8 is arranged on line shaft 14 by circular shaft support bearing 9, and be connected with line shaft spring 15 below circular shaft support 8, be fixedly connected with line shaft belt pulley driving wheel 16 by circular shaft support bearing 9 above circular shaft support 8; Described speed-regulating hand wheel 32 is fixed on body 1, body 1 is provided with pole 49, and described bearing palette fork 13 is installed on pole 49, and bearing palette fork 13 one end clamp is between the external ear of circular shaft support 8, and bearing palette fork 13 the other end is threaded with speed-regulating hand wheel screw rod 33.

By reference to the accompanying drawings 9,17,18,19, during work: when rotating speed-regulating hand wheel 32 by hand and making it turn clockwise, speed-regulating hand wheel screw rod 33 pulls down dynamic bearing palette fork 13, and bearing palette fork 13 pulls circular journal bearing holder 8 downwards again, and machine rotational speed is reduced; When rotating speed-regulating hand wheel 32 by hand and making it be rotated counterclockwise, speed-regulating hand wheel screw rod 33 is bearing palette fork 13 upwardly, and bearing palette fork 13 drives circular shaft support 8 to move upward again, and machine rotational speed is reduced; When not rotating speed-regulating hand wheel 32, speed-regulating hand wheel screw rod 33 and bearing palette fork 13 screw thread self-locking, stationary machines rotating speed.

Embodiment ten:

By reference to the accompanying drawings 10,17,18,19,25, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the speed governing Power Component be arranged on powered axle assemblies;

Described speed governing Power Component to be installed on line shaft 14 and between line shaft belt pulley driving wheel 16 and line shaft spring 15, described speed governing Power Component comprises circular shaft support 8, speed governing knob 34 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing knob 34, described circular shaft support 8 is arranged on line shaft 14 by circular shaft support bearing 9, and be connected with line shaft spring 15 below circular shaft support 8, be fixedly connected with line shaft belt pulley driving wheel 16 by circular shaft support bearing 9 above circular shaft support 8; Described body 1 side offers the elongated hole 36 of longitudinal direction, body 1 is provided with pole 49, speed governing knob 34 is connected with body 1 through the elongated hole 36 of body 1, described bearing palette fork 13 is installed on pole 49, and bearing palette fork 13 one end clamp is between the external ear of circular shaft support 8, bearing palette fork 13 the other end is connected with speed governing knob 34 screw flight.

By reference to the accompanying drawings 9,17,18,19,25, during work: be rotated counterclockwise speed governing knob 34, unclamp the locking state between speed governing knob 34 and body 1, speed governing knob 34 is moved up and down with hand, speed governing knob 34 is made to drive bearing palette fork 13 to move up and down by locking screw along the elongated hole 36 of body 1, bearing palette fork 13 drives circular shaft support 8 to move up and down again, thus changes the rotating speed of machine; When reaching rotation speed requirements, the speed governing knob 34 that turns clockwise makes it be tightened on body 1, fixed rotating speed.

Embodiment 11:

By reference to the accompanying drawings 11,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described powered axle assemblies comprises the line shaft 14 be connected with mair motor 19, be arranged on the separate loading line shaft belt pulley on line shaft 14 and be installed on the line shaft spring 15 of line shaft 14 upper end, described line shaft 14 is vertically mounted on body 1 by line shaft bearing pair 18, described separate loading line shaft belt pulley comprises line shaft belt pulley driving wheel 16 setting up and down and line shaft belt pulley fixed wheel 17, and line shaft belt pulley fixed wheel 17 is fixedly connected with line shaft 14, line shaft belt pulley driving wheel 16 and line shaft 14 are slidably connected, be pressed under the bottom of line shaft spring 15 on line shaft belt pulley driving wheel 16.

The output shaft spring 7 that described output shaft assembly is comprised the output shaft 2 be vertically mounted on by output shaft bearing pair 3 on body 1, is arranged on the separate loading output shaft belt wheel on output shaft 2 and is installed on output shaft 2, described separate loading output shaft belt wheel comprises output shaft belt wheel fixed wheel 4 setting up and down and output shaft belt wheel driving wheel 6, and output shaft belt wheel driving wheel 6 is slidably connected with output shaft 2, output shaft spring 7 be positioned at output shaft belt wheel driving wheel bottom and upwards jack-up output shaft belt wheel driving wheel 6, output shaft belt wheel fixed wheel 4 be fixedly connected with output shaft 2;

Described transmission shaft component comprises the transmission shaft 22 be vertically mounted on by transmission shaft bearing pair 23 on body 1, correspondence is arranged on the upper separate loading transmission shaft belt pulley of transmission shaft 22 upper and lower and lower separate loading transmission shaft belt pulley, upper separate loading belt pulley comprises the upper fixed wheel 11 on transmission shaft 22 top setting up and down and upper driving wheel 10, and lower separate loading belt pulley comprises the lower driving wheel 25 in transmission shaft bottom setting up and down and lower fixed wheel 24;

Described lower separate loading transmission shaft belt pulley and separate loading output shaft belt are taken turns and are linked together by the first belt 39, and described upper separate loading transmission shaft belt pulley and separate loading line shaft belt pulley are linked together by the second belt 40;

Described speed governing Power Component to be installed on transmission shaft 22 and between the upper driving wheel 10 and the lower driving wheel 25 of lower separate loading transmission shaft belt pulley of upper separate loading transmission shaft belt pulley;

Described speed governing Power Component comprises circular shaft support 8, speed governing oil cylinder 20 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing oil cylinder 20, described circular shaft support 8 is installed on transmission shaft by circular shaft support bearing pair 12, and the top of circular shaft support bearing pair 12 is fixedly connected with upper driving wheel 10, the bottom of circular shaft support bearing pair 12 is fixedly connected with lower driving wheel 25; Body 1 is vertically installed with pole 49, the intermediate portion of bearing palette fork 13 is installed on pole 49, and one end of bearing palette fork 49 is fixedly connected with speed governing oil cylinder 20, and the other end clamp of bearing palette fork 49 is between the external ear of circular shaft support 8.

By reference to the accompanying drawings 11,17,18,19,21, during work: the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and now, fuel path switch is in closed condition, and speed governing oil cylinder 20 is failure to actuate, speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "-" position, the lower end oil circuit of speed governing oil cylinder 20 is opened, promote speed governing oil cylinder pull bar 21 to move upward, speed governing oil cylinder pull bar 21 drives bearing palette fork 13 to move upward, thus promotion circular shaft support 8 moves upward, circular shaft support 8 drives driving wheel 10 to move upward together with lower driving wheel 25 again, draw the left end of loose first belt 39 and the right-hand member of extruding the second belt 40 simultaneously, the belt of the first belt 39 left end circle is diminished, under the extruding of output shaft spring 7, the right-hand member belt circle of the first belt 39 becomes large, meanwhile, the belt circle of the second belt 40 right-hand member is made to become large, and the belt circle pullling the second belt 40 left end diminishes, machine rotational speed reduces, when reaching required rotating speed, the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in " 0 " position, and speed governing terminates, and due to the incompressibility of liquid, this speed governing position is fixed by speed governing oil cylinder 20, when the speed governing oil cylinder speed governing button 46 on speed governing oil cylinder control panel 42 is placed in "+" position, above direction of action is contrary, and machine rotational speed is more and more faster, finally realizes two sections of stepless speed regulations.

Embodiment 12:

By reference to the accompanying drawings 12,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described transmission shaft component comprises the transmission shaft 22 be vertically mounted on by transmission shaft bearing pair 23 on body 1, correspondence is arranged on the upper separate loading transmission shaft belt pulley of transmission shaft 22 upper and lower and lower separate loading transmission shaft belt pulley, upper separate loading belt pulley comprises the upper fixed wheel 11 at transmission shaft 22 first half setting up and down and upper driving wheel 10, and lower separate loading belt pulley comprises the lower driving wheel 25 in transmission shaft Lower Half setting up and down and lower fixed wheel 24;

Described speed governing Power Component comprises circular shaft support 8, speed governing electromagnet 26 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing electromagnet 26, described circular shaft support 8 is installed on transmission shaft by circular shaft support bearing pair 12, and the top of circular shaft support bearing pair 12 is fixedly connected with upper driving wheel 10, the bottom of circular shaft support bearing pair 12 is fixedly connected with lower driving wheel 25; Described speed governing electromagnet 26 is fixed on body 1, body 1 is vertically installed with pole 49, the intermediate portion of bearing palette fork 13 is installed on pole 49, one end clamp of bearing palette fork 49 is between the external ear of circular shaft support 8, the other end of bearing palette fork 49 is fixedly connected with speed governing electromagnet pull bar 28, and speed governing electromagnet pull bar about 28 is in series with speed governing electromagnet top 261 and speed governing electromagnet bottom 262.

By reference to the accompanying drawings 12,17,18,19,22,23,24, during work: the speed governing electromagnet raising speed button 48 pressing speed governing magnet control panel 43, speed governing electromagnet bottom 262 attracts speed governing electromagnet pull bar 28 to move downward, thus drive bearing palette fork 13 to move downward, and then promote circular shaft support 8, upper driving wheel 10 moves downward together with lower driving wheel 25, first belt 39 is moved to the left, second belt 40 moves backward, its speed is raised, meanwhile, cut off the power supply of speed governing electromagnet 26, make its losing lock be convenient to speed governing; When pressing the speed governing electromagnet push buttondown 47 of speed governing magnet control panel 43, speed governing electromagnet top 261 attracts speed governing electromagnet pull bar 28 to move upward, and other moving elements are contrary with the direction of front athletic performance, machine reduction of speed; At the end of speed governing, locking electromagnet 27 locks speed governing electromagnet pull bar 28, stationary machines rotating speed, finally realizes two sections of stepless speed regulations.

Embodiment 13:

By reference to the accompanying drawings 13,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described speed governing Power Component comprises circular shaft support 8, speed-adjustable motor 29 and connects the bearing palette fork 13 of circular shaft support 8 and speed-adjustable motor 29, described circular shaft support 8 is installed on transmission shaft by circular shaft support bearing pair 12, and the top of circular shaft support bearing pair 12 is fixedly connected with upper driving wheel 10, the bottom of circular shaft support bearing pair 12 is fixedly connected with lower driving wheel 25; Described speed-adjustable motor 29 is fixed on body 1, body 1 is vertically installed with pole 49, the intermediate portion of bearing palette fork 13 is installed on pole 49, and one end clamp of bearing palette fork 49 is between the external ear of circular shaft support 8, and the other end of bearing palette fork 49 is fixedly connected with speed-adjustable motor screw rod 31.

By reference to the accompanying drawings 13,17,18,19,20, during work: the speed-adjustable motor raising speed button 45 pressing speed-adjustable motor control panel 41, speed-adjustable motor 29 rotates clockwise, the speed-adjustable motor screw rod 31 turned clockwise is made to pull bearing palette fork 13 to move downward, bearing palette fork 13 promotes circular shaft support 8 again, upper driving wheel 10 moves downward together with lower driving wheel 25, and machine speed is raised; When pressing the speed-adjustable motor push buttondown 44 of speed-adjustable motor control panel 41, speed-adjustable motor 29 is rotated counterclockwise, the speed-adjustable motor screw rod 31 be rotated counterclockwise upwardly bearing palette fork 13, bearing palette fork 13 drives circular shaft support 8, upper driving wheel 10 to move upward together with lower driving wheel 25 again, and machine underspeeds; When stopping pressing speed-adjustable motor raising speed button 45, speed-adjustable motor screw rod 31 and bearing palette fork 13 form screw thread self-locking, machine rotational speed is fixed, finally realizes two sections of stepless speed regulations.

Embodiment 14:

By reference to the accompanying drawings 14,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described speed governing Power Component comprises circular shaft support 8, speed-regulating hand wheel 32 and connects the bearing palette fork 13 of circular shaft support 8 and speed-regulating hand wheel 32, described circular shaft support 8 is installed on transmission shaft by circular shaft support bearing pair 12, and the top of circular shaft support bearing pair 12 is fixedly connected with upper driving wheel 10, the bottom of circular shaft support bearing pair 12 is fixedly connected with lower driving wheel 25; Described speed-regulating hand wheel 32 is fixed on body 1, body 1 is vertically installed with pole 49, the intermediate portion of bearing palette fork 13 is installed on pole 49, and one end clamp of bearing palette fork 49 is between the external ear of circular shaft support 8, and the other end of bearing palette fork 49 is threaded with speed-regulating hand wheel screw rod 33.

By reference to the accompanying drawings 14,17,18,19, during work: when rotating speed-regulating hand wheel 32 by hand and making it turn clockwise, speed-regulating hand wheel screw rod 33 pulls down dynamic bearing palette fork 13, and bearing palette fork 13 pulls circular journal bearing holder 8 downwards, upper driving wheel 10 moves downward together with lower driving wheel 25, and machine rotational speed is raised; When rotating speed-regulating hand wheel 32 by hand and making it be rotated counterclockwise, speed-regulating hand wheel screw rod 33 is bearing palette fork 13 upwardly, and bearing palette fork 13 drives circular shaft support 8, upper driving wheel 10 to move upward together with lower driving wheel 25 again, and machine rotational speed is reduced; When not rotating speed-regulating hand wheel 32, speed-regulating hand wheel screw rod 33 and bearing palette fork 13 screw thread self-locking, stationary machines rotating speed, finally realizes two sections of stepless speed regulations.

Embodiment 15:

By reference to the accompanying drawings 15,17,18,19, multi-scheme of the present utility model, modular type, constant-power, stepless speed-regulating mechanism, comprise body 1, powered axle assemblies that correspondence is arranged on body 1 two ends and output shaft assembly and the mair motor 19 that is connected with powered axle assemblies, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

Described speed governing Power Component comprises circular shaft support 8, speed governing knob 34 and connects the bearing palette fork 13 of circular shaft support 8 and speed governing knob 34, described circular shaft support 8 is installed on transmission shaft by circular shaft support bearing pair 12, and the top of circular shaft support bearing pair 12 is fixedly connected with upper driving wheel 10, the bottom of circular shaft support bearing pair 12 is fixedly connected with lower driving wheel 25; Described body 1 side offers the elongated hole 36 of longitudinal direction, speed governing knob 34 is connected with body 1 through the elongated hole 36 of body 1, body 1 is vertically installed with pole 49, the intermediate portion of bearing palette fork 13 is installed on pole 49, one end clamp of bearing palette fork 49 is between the external ear of circular shaft support 8, and the other end of bearing palette fork 49 is connected with speed governing knob 34 screw flight.

By reference to the accompanying drawings 15,17,18,19, during work: be rotated counterclockwise speed governing knob 34, unclamp the locking state between speed governing knob 34 and body 1, speed governing knob 34 is moved up and down with hand, speed governing knob 34 is made to drive bearing palette fork 13 to move up and down by locking screw along the elongated hole 36 of body 1, bearing palette fork 13 drives circular shaft support 8, upper driving wheel 10 and lower driving wheel 25 synchronously to move up and down again, thus changes the rotating speed of machine; When reaching rotation speed requirements, the speed governing knob 34 that turns clockwise makes it be tightened on body 1, and fixed rotating speed finally realizes two sections of stepless speed regulations.

Claims

1. multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, comprise body, powered axle assemblies that correspondence is arranged on body two ends and output shaft assembly and the mair motor that is connected with powered axle assemblies, it is characterized in that, also comprise the speed governing Power Component be arranged on powered axle assemblies;

2. multi-scheme according to claim 1, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described speed governing Power Component comprises the arrangements for speed regulation that bearing retainer and pushing shaft support move up and down along line shaft, described bearing retainer is installed on line shaft by bearing retainer bearing, and the inner ring of bearing retainer bearing is fixedly connected with the bottom of separate loading line shaft belt pulley.

3. multi-scheme according to claim 1, modular type, constant-power, stepless speed-regulating mechanism, is characterized in that, described speed governing Power Component comprises circular shaft support, arrangements for speed regulation and connects the bearing palette fork of circular shaft support and arrangements for speed regulation;

4. multi-scheme according to claim 1, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described separate loading output shaft belt wheel comprises output shaft belt wheel fixed wheel and output shaft belt wheel driving wheel, described output shaft belt wheel fixed wheel is fixedly mounted on output shaft, the output shaft belt wheel that moves in turn is slidably mounted on output shaft, and output shaft belt wheel driving wheel is also fixedly connected with output shaft spring.

5. the multi-scheme according to Claims 2 or 3, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described separate loading line shaft belt pulley comprises line shaft belt pulley fixed wheel and line shaft belt pulley driving wheel, described line shaft belt pulley fixed wheel is fixedly mounted on line shaft, line shaft belt pulley driving wheel is slidably mounted on line shaft, and the inner ring of line shaft belt pulley driving wheel and bearing retainer bearing or line shaft spring are fixedly connected with.

6. the multi-scheme according to Claims 2 or 3, modular type, constant-power, stepless speed-regulating mechanism, is characterized in that, described arrangements for speed regulation are the one in speed governing oil cylinder, speed governing electromagnet, speed-adjustable motor, speed-regulating hand wheel or speed governing knob.

7. multi-scheme, modular type, constant-power, stepless speed-regulating mechanism, comprise body, powered axle assemblies that correspondence is arranged on body two ends and output shaft assembly and the mair motor that is connected with powered axle assemblies, it is characterized in that, also comprise the transmission shaft component connecting powered axle assemblies and output shaft assembly and the speed governing Power Component be arranged on transmission shaft component;

8. multi-scheme according to claim 7, modular type, constant-power, stepless speed-regulating mechanism, is characterized in that, described speed governing Power Component comprises circular shaft support, arrangements for speed regulation and connects the bearing palette fork of circular shaft support and arrangements for speed regulation;

9. multi-scheme according to claim 7, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described separate loading line shaft belt pulley comprises line shaft belt pulley fixed wheel and line shaft belt pulley driving wheel, described line shaft belt pulley fixed wheel is fixedly mounted on line shaft, line shaft belt pulley driving wheel is slidably mounted on line shaft, and the inner ring of line shaft belt pulley driving wheel and bearing retainer bearing or line shaft spring are fixedly connected with.

10. multi-scheme according to claim 7, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described separate loading output shaft belt wheel comprises output shaft belt wheel fixed wheel and output shaft belt wheel driving wheel, described output shaft belt wheel fixed wheel is fixedly mounted on output shaft, the output shaft belt wheel that moves in turn is slidably mounted on output shaft, and output shaft belt wheel driving wheel is also fixedly connected with output shaft spring.

11. multi-schemes according to claim 8, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described upper separate loading transmission shaft belt pulley comprises the upper fixed wheel on transmission shaft top setting up and down and upper driving wheel, and described upper fixed wheel is fixedly mounted on transmission shaft top; Described upper driving wheel is slidably mounted on transmission shaft top, and upper driving wheel bottom is fixedly connected with the top of circular shaft support bearing pair.

Multi-scheme described in 12. according to Claim 8 or 11, modular type, constant-power, stepless speed-regulating mechanism, it is characterized in that, described lower separate loading transmission shaft belt pulley comprises the lower driving wheel in transmission shaft bottom setting up and down and lower fixed wheel, described lower driving wheel is slidably mounted on transmission shaft bottom, and lower driving wheel top is fixedly connected with the bottom of circular shaft support bearing pair; Described lower fixed wheel is fixedly mounted on transmission shaft bottom.

13. multi-schemes according to claim 8, modular type, constant-power, stepless speed-regulating mechanism, is characterized in that, described arrangements for speed regulation are the one in speed governing oil cylinder, speed governing electromagnet, speed-adjustable motor, speed-regulating hand wheel or speed governing knob.