CN204267621U - Speed changer and transmission system - Google Patents
Speed changer and transmission system Download PDFInfo
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- CN204267621U CN204267621U CN201420734213.2U CN201420734213U CN204267621U CN 204267621 U CN204267621 U CN 204267621U CN 201420734213 U CN201420734213 U CN 201420734213U CN 204267621 U CN204267621 U CN 204267621U
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Abstract
The utility model provides a kind of speed changer and transmission system, and this speed changer comprises: housing, the first input shaft assembly, the second input shaft assembly, countershaft assembly, the first output shaft assembly, the second output shaft assembly, the first shifting fork assembly and the second shifting fork assembly; When the first sliding gear slides axially left on the first spline housing, the first spline housing is connected with the first left gear, and the first left gear engages with countershaft-gear, and Driving Torque passes in the load of the first output shaft and connection by countershaft-gear successively; When the first sliding gear slides axially to the right on the first spline housing, the first spline housing is connected with the first right gear, and the first right gear engages with jack shaft small gear, and Driving Torque passes in the load of the first output shaft and connection by jack shaft small gear; Second sliding gear and the first sliding gear similar, thus drilling pump to different model can be realized, plunger pump tests, and improves the utilization ratio of speed changer, test stand.
Description
Technical field
The utility model relates to machinery manufacturing technology field, particularly relates to a kind of speed changer and transmission system.
Background technique
In hydraulic system, drilling pump, plunger pump are vital parts, usually need to adopt special test stand to carry out experimental test to drilling pump, plunger pump, special test stand is usually by dragging and speed control system, i.e. transmission system, the compositions such as oil absorption system, loading and Flow Measuring System, overload test system, oil liquid temperature control system.And transmission system is the power source of test stand to drilling pump, plunger pump, need to possess the functions such as accurate speed governing, the rotating speed measuring pump and torque.Transmission system is made up of speed increaser, retarder iso-variable velocity device usually.
In prior art, the speed changer of usual transmission system comprises an input shaft assembly and an output shaft assembly, this input shaft assembly is arranged with first gear, this output shaft assembly is arranged with second gear, by engaging of the first gear and the second gear, thus realize one grade of rotating speed output, therefore a speed changer in transmission system can only realize the test of plunger pump to a certain model or drilling pump, that is, when needing to test the plunger pump of different model or drilling pump, then need for they provide different speed changers.Thus cause speed changer, problem that test stand utilization ratio is low.
Model utility content
The utility model provides a kind of speed changer and transmission system, thus improves the utilization ratio of speed changer, test stand.
First aspect, the utility model provides a kind of speed changer, comprising: housing, the first input shaft assembly, the second input shaft assembly, countershaft assembly, the first output shaft assembly, the second output shaft assembly, the first shifting fork assembly and the second shifting fork assembly; Described first input shaft assembly, described second input shaft assembly, described countershaft assembly, described first output shaft assembly, described second output shaft assembly, described first shifting fork assembly and described second shifting fork assembly are fixedly installed on the housing; Described first input shaft assembly comprises: the first input shaft and the first input gear, and described first input gear is set on described first input shaft, and the Driving Torque of motor is passed to described first input gear by flat key by described first input shaft; Described second input shaft assembly comprises: the second input shaft and the second input gear, and described second input gear is set on described second input shaft, and the Driving Torque of motor is passed to described second input gear by flat key by described second input shaft; Described countershaft assembly comprises: jack shaft, jack shaft gearwheel, countershaft-gear and jack shaft small gear, described jack shaft gearwheel engages with described first input gear or described second input gear, the Driving Torque of described motor is passed to described countershaft-gear and jack shaft small gear; Described first output shaft assembly comprises: the first output shaft, the first spline housing, the first left gear, the first right gear and the first sliding gear, described first sliding gear is set on described first spline housing, the axial motion on described first spline housing of described first sliding gear, described first spline housing is connected with described first left gear or described first right gear, described first left gear is engaged with described countershaft-gear, or described first right gear is engaged with described jack shaft small gear; Described second output shaft assembly comprises: the second output shaft, the second spline housing, the second left gear, the second right gear and the second sliding gear, described second sliding gear is set on described second spline housing, the axial motion on described second spline housing of described second sliding gear, described second spline housing is connected with described second left gear or described second right gear, described second left gear is engaged with described countershaft-gear, or described second right gear is engaged with described jack shaft small gear; Described first shifting fork assembly comprises: the first shift fork, and described first shift fork is connected with described first sliding gear, and described first sliding gear slides axially along described first output shaft under the effect of described first shift fork; Described second shifting fork assembly comprises: the second shift fork, and described second shift fork is connected with described second sliding gear, and described second sliding gear slides axially along described second output shaft under the effect of described second shift fork.
In conjunction with first aspect, in the first possibility mode of execution of first aspect, described first shifting fork assembly also comprises: first handle and the first declutch shift shaft, described first declutch shift shaft connects described first handle and described first shift fork, described first shift fork is connected with described first sliding gear, and described first sliding gear slides axially under the effect of described first handle.
In conjunction with first aspect, in the second possibility mode of execution of first aspect, described second shifting fork assembly also comprises second handle and the second declutch shift shaft, described second declutch shift shaft connects described second handle and described second shift fork, described second shift fork is connected with described second sliding gear, and described second sliding gear slides axially under the effect of described second handle.
In conjunction with first aspect or first aspect the first may the second of mode of execution or first aspect may mode of execution, may in mode of execution at the third of first aspect, described first shifting fork assembly also comprises: the first shifting block; Described first shifting block one end is connected with described first shift fork, the described first shifting block the other end is fastened in the peripheral groove of described first sliding gear, to make when described first handle is pulled, then the first shifting block on described first shift fork rotates under the drive of described first declutch shift shaft.
In conjunction with first aspect or first aspect the first may the second of mode of execution or first aspect may mode of execution, may in mode of execution at the 4th kind of first aspect, described second shifting fork assembly also comprises: the second shifting block; Described second shifting block one end is connected with described second shift fork, the described second shifting block the other end is fastened in the peripheral groove of described second sliding gear, to make when described second handle is pulled, then the second shifting block on described second shift fork rotates under the drive of described second declutch shift shaft.
In conjunction with first aspect, in the 5th kind of possibility mode of execution of first aspect, described first output shaft and described second output shaft include external splines, and described first spline housing and described second spline housing include internal spline; The external splines of described first output shaft is connected with the internal spline of described first spline housing; The external splines of described second output shaft is connected with the internal spline of described second spline housing.。
Second aspect, the utility model provides a kind of transmission system, comprising: described speed changer, coupling and speed increaser; First output shaft of described speed changer exports the two grades of rotating speeds being used for drilling pump test; Second output shaft of described speed changer is connected with described speed increaser by described coupling.
The utility model provides a kind of speed changer and transmission system, and this speed changer comprises: the first input shaft assembly, the second input shaft assembly, countershaft assembly, the first output shaft assembly, the second output shaft assembly, the first shifting fork assembly and the second shifting fork assembly; When described first sliding gear slides axially left on described first spline housing, described first spline housing is connected with described first left gear, described first left gear engages with described countershaft-gear, and the Driving Torque of described motor passes in the load that described first left gear, described first sliding gear, described first spline housing and described first output shaft and described first output shaft be connected by described countershaft-gear successively; Achieve wherein first grade of output, when described first sliding gear slides axially to the right on described first spline housing, described first spline housing is connected with described first right gear, described first right gear engages with described jack shaft small gear, and the Driving Torque of described motor passes in the load that described first right gear, described first sliding gear, described first spline housing and described first output shaft and described first output shaft be connected by described jack shaft small gear successively; Achieve second gear to export, the cooperating of the second sliding gear and other gears is similar to the said process of the first sliding gear, achieve third gear and fourth speed output, namely this speed changer achieves the effect of double input, dual output, and the first output shaft can realize two grades of outputs, same second output shaft can realize two grades of outputs, thus drilling pump to different model can be realized, plunger pump tests, and improves the utilization ratio of speed changer, test stand.
Accompanying drawing explanation
The structural representation of a kind of speed changer that Fig. 1 provides for the utility model one embodiment;
A kind of speed changer that Fig. 2 provides for the utility model one embodiment is along the sectional drawing in A-A direction;
The sectional drawing of a kind of speed changer lower box that Fig. 3 provides for the utility model one embodiment;
The structural representation of the first input shaft assembly that Fig. 4 provides for the utility model one embodiment;
The structural representation of the countershaft assembly that Fig. 5 provides for the utility model one embodiment;
The structural representation of the first output shaft assembly that Fig. 6 provides for the utility model one embodiment;
The structural representation of the second output shaft assembly that Fig. 7 provides for the utility model one embodiment;
The structural representation of the first shifting fork assembly that Fig. 8 provides for the utility model one embodiment;
The structural representation of the locking mechanism that Fig. 9 provides for the utility model one embodiment;
The structural representation of a kind of transmission system that Figure 10 provides for the utility model one embodiment;
The principle schematic of a kind of transmission system that Figure 11 provides for the utility model one embodiment;
The structural representation of a kind of speed changer that Figure 12 provides for another embodiment of the utility model.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of a kind of speed changer that Fig. 1 provides for the utility model one embodiment, a kind of speed changer that Fig. 2 provides for the utility model one embodiment is along the sectional drawing in A-A direction, speed changer can be divided into lower box from bottom to up, middle casing and upper box, the sectional drawing of a kind of speed changer lower box that Fig. 3 provides for the utility model one embodiment, composition graphs 1, Fig. 2 and Fig. 3, this speed changer comprises: housing, first input shaft assembly 1, second input shaft assembly 2, countershaft assembly 3, first output shaft assembly 4, second output shaft assembly 5, first shifting fork assembly and the second shifting fork assembly, first input shaft assembly 1, second input shaft assembly 2, countershaft assembly 3, first output shaft assembly 4, second output shaft assembly 5, first shifting fork assembly and the second shifting fork assembly are fixedly installed on housing.
The structural representation of the first input shaft assembly that Fig. 4 provides for the utility model one embodiment, as shown in Figure 4, first input shaft assembly comprises: the first input shaft 6 and the first input gear 7, first input gear 7 is set on the first input shaft 6, and the Driving Torque of motor is passed to the first input gear 7 by flat key by the first input shaft 6; Equally, be similar to the first input shaft assembly, the second input shaft assembly comprises: the second input shaft and the second input gear, and the second input gear is set on the second input shaft, and the Driving Torque of motor is passed to the second input gear by flat key by the second input shaft.
Alternatively, described first input shaft assembly also comprises: pressing plate 8, flange, distance ring 9, disc 10 and selfaligning roller bearing 11.The inner ring of flange, distance ring 9, disc 10, selfaligning roller bearing 11 and the first input gear 7 and the first input shaft 6 are compressed by bolt at the right side pressing plate 8 of the first input shaft 6.
Alternatively, the first input shaft assembly also comprises: gland 12; The inner ring of selfaligning roller bearing 11 and the first input shaft 6 are compressed by bolt at the left side gland 12 of the first input shaft 6.The outer ring of adjustment ring, selfaligning roller bearing 11 and housing bearing seat seam are compressed by the pretightening force of bolt by the end cap certainly on the right side of the first input shaft 6; Selfaligning roller bearing 11 and housing bearing seat are without axially locating.
The structural representation of the countershaft assembly that Fig. 5 provides for the utility model one embodiment, as shown in Figure 5, countershaft assembly comprises: jack shaft 13, jack shaft gearwheel 14, countershaft-gear 15 and jack shaft small gear 16, jack shaft gearwheel 14 engages with the first input gear or the second input gear, the Driving Torque of motor is passed to countershaft-gear 15 and jack shaft small gear 16.
Alternatively, countershaft assembly also comprises: pressing plate, selfaligning roller bearing 11, roller bearing 17 and distance ring 9; The inner ring of selfaligning roller bearing 11, distance ring 9 are compressed with jack shaft 13 by bolt at the right side pressing plate of countershaft assembly; At the nut that passes on left of countershaft assembly, the inner ring of roller bearing 17 and distance ring 9, jack shaft gearwheel 14 are compressed.
Alternatively, countershaft assembly also comprises: middle spacer ring 18, left end cap 19 and right end cap 20; The outer ring of distance ring 9, selfaligning roller bearing 11 and housing bearing seat seam are compressed by bolt by right end cap 20; The outer ring of middle spacer ring 18, roller bearing 17 and housing bearing seat seam are compressed by bolt by left end cap 19.
The structural representation of the first output shaft assembly that Fig. 6 provides for the utility model one embodiment; As shown in Figure 6, first output shaft assembly comprises: the first output shaft 21, first spline housing 22, first left gear 23, first right gear 24 and the first sliding gear 25, first sliding gear 25 is set on the first spline housing 22, the axial motion on the first spline housing 22 of first sliding gear 25, first spline housing 22 is connected with the first left gear 23 or the first right gear 24, first left gear 23 is engaged with countershaft-gear, or the first right gear 24 is engaged with jack shaft small gear.First output shaft 21 comprises external splines, and the first spline housing 22 comprises internal spline, and the external splines of the first output shaft 21 is connected with the internal spline of the first spline housing 22.
Alternatively, the first output shaft assembly also comprises: tapered roller bearing 52, middle spacer ring, pressing plate, flange, setting sleeve 26, disc 10, selfaligning roller bearing 11 and distance ring; By the inner ring of the first left gear 23, two tapered roller bearings 52, middle spacer ring, the first spline housing 22, compressed by nut and the first output shaft 21; The inner ring of flange, setting sleeve 26, disc 10, selfaligning roller bearing 11 and the first output shaft 21 are compressed by bolt at the right side pressing plate of the first output shaft 21; At the nut that passes on left of the first output shaft 21, distance ring and the first output shaft 21 are compressed.First output shaft assembly also comprises: right-hand member end cap 27 and left end end cap 28; The outer ring of distance ring, selfaligning roller bearing 11 and housing bearing seat seam are compressed by bolt by right-hand member end cap 27; Distance ring and housing bearing seat are assembled by bolt by left end end cap 28.First output shaft assembly also comprises: center oilhole, swivel joint; Swivel joint connects external lubrication oil circuit and center oilhole.Center oilhole communicates with tapered roller bearing 52, flows through in the process of bearing to complete to lubricate tapered roller bearing 52 at lubricant oil.
The structural representation of the second output shaft assembly that Fig. 7 provides for the utility model one embodiment; As shown in Figure 7, described second output shaft assembly comprises: the second output shaft 29, second spline housing 30, second left gear 31, second right gear 32 and the second sliding gear 33, second sliding gear 33 is set on the second spline housing 30, the axial motion on the second spline housing 30 of second sliding gear 33, second spline housing 30 is connected with the second left gear 31 or the second right gear 32, second left gear 31 is engaged with countershaft-gear 15, or the second right gear 32 is engaged with jack shaft small gear 16; Second output shaft 29 comprises external splines, and the second spline housing 30 comprises internal spline, and the external splines of the second output shaft 29 is connected with the internal spline of the second spline housing 30.The second output shaft assembly shown in Fig. 7 and the first output shaft assembly shown in Fig. 6 similar, difference is that the left side sealing of the second output shaft assembly does not adopt swivel joint, but be connected with center oilhole at this bearing support upper oil cavitie of casing, the lubrication completed roller bearing is flowed through in the process of bearing at lubricant oil.
The structural representation of the first shifting fork assembly that Fig. 8 provides for the utility model one embodiment; As shown in Figure 8, the first shifting fork assembly comprises: the first shift fork 36, first shift fork 36 is connected with the first sliding gear, and the first sliding gear slides axially along the first output shaft under the effect of the first shift fork 36; First shifting fork assembly also comprises: first handle 34 and the first declutch shift shaft 35, first declutch shift shaft 35 connect first handle 34 and the first shift fork 36, first shift fork 36 is connected with the first sliding gear, and the first sliding gear is in the effect lower slider of first handle 34.First shifting fork assembly also comprises: the first shifting block 37; First shifting block 37 one end is connected with the first shift fork 36, and first shifting block 37 the other end is fastened in the peripheral groove of the first sliding gear, and to make when first handle 34 is pulled, then the first shifting block 17 on the first shift fork 36 rotates under the drive of the first declutch shift shaft 35.
Further, the first shifting fork assembly also comprises: the structural representation of the locking mechanism that locking mechanism 38, Fig. 9 provides for the utility model one embodiment; As shown in Figure 9, handwheel 40 is connected with rotary pin shaft 41 by pin and cotter pin 39, makes that bearing pin can rotate with handwheel, translation; Set screw nut 42 welds with first handle, and by regulating the size of the coupling mechanism force of stop nut 43 and set screw nut 42 screw-in depth Regulation spring 44, the outer side bayonet slot of stop nut 43, can limit the axial translation position of rotary pin shaft 41.During shift fork commutation, be pulled outwardly handwheel 40 by shown position, when pull-out draw-in groove position, handwheel 40 i.e. driven rotary bearing pin 41 together half-twist, to the arc neck place of stop nut 43, removes locking states; Continue to be pulled outwardly handwheel 40 half-twist, the rotary pin shaft 41 unclamping handwheel 40 is moved to the left under spring force effect, enters locking state.
Be similar to the first shifting fork assembly, the second shifting fork assembly comprises: the second shift fork, and the second shift fork is connected with the second sliding gear, and the second sliding gear slides axially along the second output shaft under the effect of the second shift fork.Second shifting fork assembly also comprises second handle and the second declutch shift shaft, and the second declutch shift shaft connects second handle and the second shift fork, and the second shift fork is connected with the second sliding gear, and the second sliding gear is in the effect lower slider of second handle.Second shifting fork assembly also comprises: the second shifting block; Second shifting block one end is connected with the second shift fork, and the second shifting block the other end is fastened in the peripheral groove of the second sliding gear, and to make when second handle is pulled, then the second shifting block on the second shift fork rotates under the drive of the second declutch shift shaft.
Particularly, shown in composition graphs 1 to Fig. 8, when the first sliding gear 25 slides axially left on the first spline housing 22, first spline housing 22 is connected with the first left gear 23, first left gear 23 engages with countershaft-gear 15, and the Driving Torque of motor passes in the load that the first left gear 23, first sliding gear 25, first spline housing 22 is connected with the first output shaft 21 and the first output shaft 21 by countershaft-gear 15 successively.At this moment the first right gear 24 engages with jack shaft small gear 16, and jack shaft small gear 16 rotates drive first right gear 24 with jack shaft 13 and dallies (not transmitting torque).
When the first sliding gear 25 slides axially to the right on the first spline housing 22, first spline housing 22 is connected with the first right gear 24, first right gear 24 engages with jack shaft small gear 16, and the Driving Torque of motor passes in the load that the first right gear 24, first sliding gear 25, first spline housing 22 is connected with the first output shaft 21 and the first output shaft 21 by jack shaft small gear 16 successively.At this moment the first left gear 23 engages with countershaft-gear 15, and countershaft-gear 15 rotates drive first left gear 23 with jack shaft 13 and dallies (not transmitting torque).
When the second sliding gear 33 slides axially left on the second spline housing 30, second spline housing 30 is connected with the second left gear 31, second left gear 31 engages with countershaft-gear 15, and the Driving Torque of motor passes in the load that the second left gear 31, second sliding gear 33, second spline housing 30 is connected with the second output shaft 29 and the second output shaft 29 by countershaft-gear 15 successively; When the second sliding gear 33 slides axially to the right on the second spline housing 30, second spline housing 30 is connected with the second right gear 32, second right gear 32 engages with jack shaft small gear 16, and the Driving Torque of motor passes in the load that the second right gear 32, second sliding gear 33, second spline housing 30 is connected with the second output shaft 29 and the second output shaft 29 by jack shaft small gear 16 successively.
Present embodiments provide a kind of speed changer, comprising: the first input shaft assembly, the second input shaft assembly, countershaft assembly, the first output shaft assembly, the second output shaft assembly, the first shifting fork assembly and the second shifting fork assembly; When the first sliding gear slides axially left on the first spline housing, first spline housing is connected with the first left gear, first left gear engages with countershaft-gear, and the Driving Torque of motor passes in the load that the first left gear, the first sliding gear, the first spline housing and the first output shaft and the first output shaft be connected by countershaft-gear successively; Achieve wherein first grade of output, when the first sliding gear slides axially to the right on the first spline housing, first spline housing is connected with the first right gear, first right gear engages with jack shaft small gear, and the Driving Torque of motor passes in the load that the first right gear, the first sliding gear, the first spline housing and the first output shaft and the first output shaft be connected by jack shaft small gear successively; Achieve second gear to export, the cooperating of the second sliding gear and other gears is similar to the said process of the first sliding gear, achieve third gear and fourth speed output, namely this speed changer achieves the effect of double input, dual output, and the first output shaft can realize two grades of outputs, same second output shaft can realize two grades of outputs, thus drilling pump to different model can be realized, plunger pump tests, and improves the utilization ratio of speed changer, test stand.
The structural representation of a kind of transmission system that Figure 10 provides for the utility model one embodiment, as shown in Figure 10, this system comprises the speed changer 45 and coupling 46 and speed increaser 47 that above-described embodiment provides; First output shaft of speed changer 45 exports the two grades of rotating speeds being used for drilling pump test; Second output shaft of speed changer 45 is connected with speed increaser 47 by coupling 46.In conjunction with Figure 10, the principle schematic of a kind of transmission system that Figure 11 provides for the utility model one embodiment, during drilling pump experiment, then the second shifting fork assembly 49 is placed in neutral position, the velocity ratio that first shifting fork assembly 48 exports at two different gears is output shaft and input shaft velocity ratio, can calculate.During plunger pump test, the first shifting fork assembly 48 is placed in neutral position, and the first output shaft and another two grades of speedup boxes 47 are connected by coupling 46, realizes fourth gear and exports.
Particularly, when the first sliding gear slides axially left on the first spline housing, first spline housing is connected with the first left gear, first left gear engages with countershaft-gear, and the Driving Torque of motor passes in the load that the first left gear, the first sliding gear, the first spline housing and the first output shaft and the first output shaft be connected by countershaft-gear successively.At this moment the first right gear engages with jack shaft small gear, and jack shaft small gear rotates drive first right gear idle running (not transmitting torque) with jack shaft.
When the first sliding gear slides axially to the right on the first spline housing, first spline housing is connected with the first right gear, first right gear engages with jack shaft small gear, and the Driving Torque of motor passes in the load that the first right gear, the first sliding gear, the first spline housing and the first output shaft and the first output shaft be connected by jack shaft small gear successively.At this moment the first left gear engages with jack shaft small gear, and jack shaft small gear rotates drive first right gear idle running (not transmitting torque) with jack shaft.
When the second sliding gear slides axially left on the second spline housing, second spline housing is connected with the second left gear, second left gear engages with countershaft-gear, and the Driving Torque of motor passes in the load that the second left gear, the second sliding gear, the second spline housing and the second output shaft and the second output shaft be connected by countershaft-gear successively; When the second sliding gear slides axially to the right on the second spline housing, second spline housing is connected with the second right gear, second right gear engages with jack shaft small gear, and the Driving Torque of motor passes in the load that the second right gear, the second sliding gear, the second spline housing and the second output shaft and the second output shaft be connected by jack shaft small gear successively.
Further, the speed changer that this system provides, mainly in order to support and fixing shafting components, to ensure the vitals of the accuracy of mesh of driving component, good lubrication and sealing, therefore will have during design and have enough strength and stiffness and rational structure.This speed changer adopts split type structure, the structural representation of a kind of speed changer that Figure 12 provides for another embodiment of the utility model, as shown in figure 12, speed changer is divided upper, middle and lower casing, be provided with viewing window 50, fuel outlet, resuscitation apparatus seat 51, locating stud, lifting etc.
Further, this system also comprises lubrication assembly, and main employing forces oil jet lubrication mode, and filler opening place establishes lubricating oil pressure gauge, and gear teeth face lubrication directly must be sprayed by nozzle.
The transmission system that the present embodiment provides comprises the speed changer that an embodiment provides, and it is identical with the speed changer that effect and above-described embodiment provide that it performs principle, do not repeat them here.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (7)
1. a speed changer, is characterized in that, comprising: housing, the first input shaft assembly, the second input shaft assembly, countershaft assembly, the first output shaft assembly, the second output shaft assembly, the first shifting fork assembly and the second shifting fork assembly;
Described first input shaft assembly, described second input shaft assembly, described countershaft assembly, described first output shaft assembly, described second output shaft assembly, described first shifting fork assembly and described second shifting fork assembly are fixedly installed on the housing;
Described first input shaft assembly comprises: the first input shaft and the first input gear, and described first input gear is set on described first input shaft, and the Driving Torque of motor is passed to described first input gear by flat key by described first input shaft;
Described second input shaft assembly comprises: the second input shaft and the second input gear, and described second input gear is set on described second input shaft, and the Driving Torque of motor is passed to described second input gear by flat key by described second input shaft;
Described countershaft assembly comprises: jack shaft, jack shaft gearwheel, countershaft-gear and jack shaft small gear, described jack shaft gearwheel engages with described first input gear or described second input gear, the Driving Torque of described motor is passed to described countershaft-gear and jack shaft small gear;
Described first output shaft assembly comprises: the first output shaft, the first spline housing, the first left gear, the first right gear and the first sliding gear, described first sliding gear is set on described first spline housing, the axial motion on described first spline housing of described first sliding gear, described first spline housing is connected with described first left gear or described first right gear, described first left gear is engaged with described countershaft-gear, or described first right gear is engaged with described jack shaft small gear;
Described second output shaft assembly comprises: the second output shaft, the second spline housing, the second left gear, the second right gear and the second sliding gear, described second sliding gear is set on described second spline housing, the axial motion on described second spline housing of described second sliding gear, described second spline housing is connected with described second left gear or described second right gear, described second left gear is engaged with described countershaft-gear, or described second right gear is engaged with described jack shaft small gear;
Described first shifting fork assembly comprises: the first shift fork, and described first shift fork is connected with described first sliding gear, and described first sliding gear slides axially along described first output shaft under the effect of described first shift fork;
Described second shifting fork assembly comprises: the second shift fork, and described second shift fork is connected with described second sliding gear, and described second sliding gear slides axially along described second output shaft under the effect of described second shift fork.
2. speed changer according to claim 1, it is characterized in that, described first shifting fork assembly also comprises: first handle and the first declutch shift shaft, described first declutch shift shaft connects described first handle and described first shift fork, described first shift fork is connected with described first sliding gear, and described first sliding gear slides axially under the effect of described first handle.
3. speed changer according to claim 1, it is characterized in that, described second shifting fork assembly also comprises second handle and the second declutch shift shaft, described second declutch shift shaft connects described second handle and described second shift fork, described second shift fork is connected with described second sliding gear, and described second sliding gear slides axially under the effect of described second handle.
4. the speed changer according to any one of claim 1-3, is characterized in that, described first shifting fork assembly also comprises: the first shifting block;
Described first shifting block one end is connected with described first shift fork, the described first shifting block the other end is fastened in the peripheral groove of described first sliding gear, to make when described first handle is pulled, then the first shifting block on described first shift fork rotates under the drive of described first declutch shift shaft;
5. the speed changer according to any one of claim 1-3, is characterized in that, described second shifting fork assembly also comprises: the second shifting block;
Described second shifting block one end is connected with described second shift fork, the described second shifting block the other end is fastened in the peripheral groove of described second sliding gear, to make when described second handle is pulled, then the second shifting block on described second shift fork rotates under the drive of described second declutch shift shaft.
6. speed changer according to claim 1, is characterized in that, described first output shaft and described second output shaft include external splines, and described first spline housing and described second spline housing include internal spline;
The external splines of described first output shaft is connected with the internal spline of described first spline housing;
The external splines of described second output shaft is connected with the internal spline of described second spline housing.
7. a transmission system, is characterized in that, comprising: the speed changer described in any one of claim 1-6, coupling and speed increaser;
First output shaft of described speed changer exports the two grades of rotating speeds being used for drilling pump test;
Second output shaft of described speed changer is connected with described speed increaser by described coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734213.2U CN204267621U (en) | 2014-11-27 | 2014-11-27 | Speed changer and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734213.2U CN204267621U (en) | 2014-11-27 | 2014-11-27 | Speed changer and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267621U true CN204267621U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734213.2U Expired - Fee Related CN204267621U (en) | 2014-11-27 | 2014-11-27 | Speed changer and transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782359A (en) * | 2014-12-23 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Transmission system |
| CN106895117A (en) * | 2015-12-17 | 2017-06-27 | 中车北京南口机械有限公司 | Reduction box and rig |
-
2014
- 2014-11-27 CN CN201420734213.2U patent/CN204267621U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782359A (en) * | 2014-12-23 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Transmission system |
| CN106895117A (en) * | 2015-12-17 | 2017-06-27 | 中车北京南口机械有限公司 | Reduction box and rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 102202 Beijing city Changping District town of South Road North, South Town West No. 584 No. 585 Patentee after: Beijing Zhongche Nankow Machinery Co. Ltd. Address before: 102202 Beijing city Changping District town of South Road North Patentee before: Beijing NanKou Railway Transit Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20191127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |