CN204267612U - Speed increaser and transmission system - Google Patents
Speed increaser and transmission system Download PDFInfo
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- CN204267612U CN204267612U CN201420735526.XU CN201420735526U CN204267612U CN 204267612 U CN204267612 U CN 204267612U CN 201420735526 U CN201420735526 U CN 201420735526U CN 204267612 U CN204267612 U CN 204267612U
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- Prior art keywords
- gear
- output shaft
- assembly
- speed increaser
- shaft
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Abstract
The utility model provides a kind of speed increaser and transmission system, and wherein this speed increaser comprises: input assembly, output assembly and shifting fork assembly; Input assembly comprises: input shaft, spline housing, sliding gear, left side gear and right side gear, and input shaft and spline housing are by spline joint, and sliding gear is set on spline housing, and spline housing is arranged between left side gear and right side gear; Output assembly comprises: output shaft, output shaft small gear and output shaft gearwheel, and output shaft small gear and output shaft gearwheel are set on output shaft; Shifting fork assembly comprises: shift fork, and shift fork is connected with sliding gear, and sliding gear slides axially along input shaft under the effect of shift fork.Thus improve the utilization ratio of speed increaser, test stand.
Description
Technical field
The utility model relates to machinery manufacturing technology field, particularly relates to a kind of speed increaser and transmission system.
Background technique
Usually the plunger pump produced needs special test stand to carry out experimental test, special test stand 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 plunger pump, need to possess the functions such as accurate speed governing, the rotating speed measuring oil hydraulic pump and torque.Transmission system is made up of speed increaser, retarder etc. usually.
In prior art, a speed increaser in transmission system comprises input shaft assembly and output shaft assembly, this input shaft assembly is arranged with a gear, this output shaft assembly is arranged with a gear, by engaging between input shaft and the gear on output shaft, thus realize one grade of rotating speed output, therefore speed increaser of the prior art can only realize the test of the plunger pump to a certain model, that is, when needing to test the plunger pump of different model, then need for they provide different speed increasers.Thus cause speed increaser, problem that test stand utilization ratio is low.
Model utility content
The utility model provides a kind of speed increaser and transmission system, thus improves the utilization ratio of speed increaser, test stand.
First aspect, the utility model provides a kind of speed increaser, comprising: input assembly, output assembly and shifting fork assembly; Described input assembly comprises: input shaft, spline housing, sliding gear, left side gear and right side gear, described input shaft and described spline housing pass through spline joint, described sliding gear is set on described spline housing, and described spline housing is arranged between described left side gear and right side gear; Described output assembly comprises: output shaft, output shaft small gear and output shaft gearwheel, and described output shaft small gear and output shaft gearwheel are set on described output shaft; Described shifting fork assembly comprises: shift fork, and described shift fork is connected with described sliding gear, and described sliding gear slides axially along described input shaft under the effect of described shift fork.
In conjunction with first aspect, in the first possibility mode of execution of first aspect, described input shaft comprises external splines, and described spline housing comprises internal spline, and the external splines of described input shaft is connected with the internal spline of described spline housing.
May mode of execution in conjunction with the first of first aspect or first aspect, may in mode of execution at the second of first aspect, described shifting fork assembly also comprises: handle and declutch shift shaft, and described declutch shift shaft connects described handle and described shift fork.
May mode of execution in conjunction with the first of first aspect or first aspect, may in mode of execution at the third of first aspect, described shifting fork assembly also comprises: shifting block; Described shifting block one end is connected with described shift fork, the described shifting block the other end is fastened in the peripheral groove of described sliding gear, to make when described handle is pulled, then the shifting block on described shift fork fluctuates described sliding gear under the drive of described declutch shift shaft, and described sliding gear is moved vertically.
May mode of execution in conjunction with the first of first aspect or first aspect, may in mode of execution at the 4th kind of first aspect, described input assembly also comprises: center oilhole and swivel joint; Described swivel joint connects external lubrication oil circuit and described center oilhole.
Second aspect, the utility model provides a kind of transmission system, comprising: retarder, coupling and described speed increaser, and described coupling connects described retarder and described speed increaser.
The utility model provides a kind of speed increaser and transmission system, and speed increaser comprises: input assembly, output assembly and shifting fork assembly; Described input assembly comprises: input shaft, spline housing, sliding gear, left side gear and right side gear, described input shaft and described spline housing pass through spline joint, described sliding gear is set on described spline housing, and described spline housing is arranged between described left side gear and right side gear; Described output assembly comprises: output shaft, output shaft small gear and output shaft gearwheel, and described output shaft small gear and output shaft gearwheel are set on described output shaft; Described shifting fork assembly comprises: shift fork, and described shift fork is connected with described sliding gear, and described sliding gear slides axially along described input shaft under the effect of described shift fork.Slide axially left when described sliding gear and be connected with described left side gear, then described left side gear and described output shaft rotation, and produced input torque is passed to described output shaft small gear by described left side gear; Slide axially to the right when described sliding gear and be connected with described right side gear, then described right side gear and described output shaft rotation, and produced input torque is passed to described output shaft gearwheel by described right side gear.Thus improve the utilization ratio of speed increaser, test stand.
Accompanying drawing explanation
The structural representation of a kind of speed increaser that Fig. 1 provides for the utility model one embodiment;
The sectional drawing of a kind of speed increaser that Fig. 2 provides for the utility model one embodiment;
The sectional drawing of the input assembly that Fig. 3 provides for the utility model one embodiment;
The sectional drawing of the output assembly that Fig. 4 provides for the utility model one embodiment;
The sectional drawing of the shifting fork assembly that Fig. 5 provides for the utility model one embodiment;
Fig. 6 provides a kind of structural representation of transmission system for the utility model one embodiment.
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 increaser that Fig. 1 provides for the utility model one embodiment, the sectional drawing of a kind of speed increaser that Fig. 2 provides for the utility model one embodiment, composition graphs 1 and Fig. 2, this speed increaser comprises: input assembly 1, export assembly 2 and shifting fork assembly 3, the sectional drawing of the input assembly that Fig. 3 provides for the utility model one embodiment, shown in composition graphs 2 and Fig. 3, wherein input assembly 1 to comprise: input shaft 4, spline housing 5, sliding gear 6, left side gear 7 and right side gear 8, input shaft 4 and spline housing 5 pass through spline joint, sliding gear 6 is set on spline housing 5, spline housing 5 is arranged between left side gear 7 and right side gear 8.Alternatively, input shaft 4 comprises external splines, and spline housing 5 comprises internal spline, and the external splines of input shaft is connected with the internal spline of spline housing.Further, input assembly 1 also to comprise: center oilhole and swivel joint 9; Swivel joint 9 connects external lubrication oil circuit and center oilhole.Wherein, by lubricating the internal bearings of left side gear 7 and right side gear 8 from center oilhole input oil.Alternatively, input assembly 1 also to comprise: fixed block, bearing inner race 10 and middle spacer ring 11; Bearing inner race 10, middle spacer ring 11, to be fixed by fixed block between spline housing 5 and input shaft 4.Here fixed block can be nut, bolt etc.Input assembly also comprises: roller bearing 12; Roller bearing 12 pairs of left side gear 7 and right side gear 8 carry out axially locating.Roller bearing 12 and input shaft 4 can be compressed by locking nut, bolt etc. by the left side of input assembly 1.Selfaligning roller bearing 13 inner ring and input shaft 4 are compressed by shaft end pressure plate, setting sleeve, disc etc. by the right side of input assembly 1.
Further, distance ring 15, lubricating ring 16, roller bearing 12 outer ring and housing bearing seat are compressed by the pretightening force of bolt by the left end end cap 14 of input assembly 1, and distance ring 15, selfaligning roller bearing 13 outer ring and housing bearing seat are assembled by the pretightening force of bolt by the right-hand member end cap 17 of input assembly 1.
The sectional drawing of the output assembly that Fig. 4 provides for the utility model one embodiment, shown in composition graphs 2 and Fig. 4, shown in, export assembly 2 and comprise: output shaft 18, output shaft small gear 19 and output shaft gearwheel 20, output shaft small gear 19 and output shaft gearwheel 20 are set on output shaft 18.
Alternatively, export assembly 2 also to comprise: shaft end pressure plate, setting sleeve, disc, roller bearing, distance ring and angular contact ball bearing 21; By shaft end pressure plate, setting sleeve, disc, roller bearing and distance ring, described output shaft gearwheel 20 is compressed; By angular contact ball bearing 21, distance ring, roller bearing 12 inner ring, output shaft small gear 19 is compressed.Distance ring, lubricating ring, described roller bearing outer ring and housing bearing seat are compressed by the pretightening force of bolt by the right-hand member end cap exporting assembly 2, and distance ring, angular contact ball bearing 21, lubricating ring, roller bearing outer ring and housing bearing seat are assembled by the pretightening force of bolt by the left end end cap exporting assembly 2.Further, speed increaser also comprises: stop triangle card; Stop triangle card is used for the outer ring rotating of limit angles contact ball bearing 21.
The sectional drawing of the shifting fork assembly that Fig. 5 provides for the utility model one embodiment, shifting fork assembly comprises: shift fork 24, shift fork 24 is connected with sliding gear, sliding gear slides axially along input shaft under the effect of shift fork 24, shifting fork assembly also comprises: handle 22 and declutch shift shaft 23, and declutch shift shaft connects 23 handles 22 and shift fork 24.
When handle 22 is pulled, then shift fork 24 rotates under the drive of declutch shift shaft 23, and shift fork 24 drives sliding gear to slide axially on spline housing; Slide axially left when sliding gear and be connected with left side gear, then left side gear and input shaft rotate, and produced input torque is passed to output shaft small gear by left side gear; Slide axially to the right when sliding gear and be connected with right side gear, then right side gear and described input shaft rotate, and produced input torque is passed to output shaft gearwheel by right side gear.
Alternatively, shifting fork assembly also comprises: shifting block 25; Shifting block 25 one end is connected with shift fork 24, and shifting block 25 the other end is fastened in the peripheral groove of sliding gear, and to make when handle 22 is pulled, then the shifting block 25 on shift fork 24 rotates under the drive of declutch shift shaft.Thus realize gearshift, shift gears to correct position, the locking member 26 of shifting fork assembly is pulled outwardly half-twist, lets go, realize the locking of gear.
The effect of shifting fork assembly stirs sliding gear to make sliding gear and left side gear or coordinate with right side gear to realize shifting gears.
Further, the speed increaser structure in the utility model adopt split type weld casing; Flask joint is the central plane of axle system; Be convenient to install and manufacturing; Consider that the situations such as convenient inspection gears meshing are designed with the supplementary structures such as viewing window, fuel outlet, resuscitation apparatus, covered hole, locating pin structure, lifting in the design process simultaneously.
The speed increaser that the utility model provides, due to when handle is pulled, shift fork rotates under the drive of declutch shift shaft, shift fork drives sliding gear to slide axially on spline housing, further, slide axially left when sliding gear and be connected with left side gear, then left side gear and input shaft rotate, and produced input torque is passed to output shaft small gear by left side gear; Slide axially to the right when sliding gear and be connected with right side gear, then right side gear and input shaft rotate, and produced input torque is passed to output shaft gearwheel by right side gear.That is, horizontally slipping by sliding gear, can make or be left side gear and the work of output shaft pinion fits, right side gear and output shaft gearwheel cooperating, thus realize two grades of characteristics of speed increaser, by transferring the files, can realize testing the plunger pump of different model, improve the utilization ratio of speed increaser, test stand.
Fig. 6 provides a kind of structural representation of transmission system, as this system of Fig. 6 comprises for the utility model one embodiment: the speed increaser 29 of retarder 27, coupling 28 and a upper embodiment, coupling 28 connection reducer 27 and speed increaser 29.Wherein the working principle of this transmission system is: slide axially left when sliding gear and be connected with left side gear, then left side gear and input shaft rotate, and produced input torque is passed to output shaft small gear by left side gear; At this moment the velocity ratio of left side gear and output shaft small gear
wherein z
1represent the number of teeth of left side gear, z
2represent the number of teeth of output shaft small gear, suppose to measure z
1=29, z
2=80, then calculate i
1=0.36251.Slide axially to the right when sliding gear and be connected with right side gear, then right side gear and input shaft rotate, and produced input torque is passed to output shaft gearwheel by right side gear.At this moment the velocity ratio of right side gear and output shaft gearwheel
wherein z
3represent the rotating speed of right side gear, z
4represent the rotating speed of output shaft gearwheel, suppose to measure z
3=47, z
4=61, then calculate i
2=0.77049.The like, a kind of double input six grades of output transmission systems, this system comprises double input speed changer, a speed increaser and a coupling, and speed increaser is here grade speed increaser of two described in the utility model, can be realized 4 grades of rotating speeds exported by the combination with double input speed changer.
The mode that system that employs hose-rigid pipe combination arranges lubricating pipe and double labyrinth seal structure, and most of lubricant oil is partitioned in the first heavy separate space by the first heavy disc when the shaft is rotated, enters casing by oil-return groove; Few parts of lubricating oil enters the second heavy separate space by the radial gap of distance ring, and the second heavy disc enters casing to this separate space by oil-return groove by completely isolated for the chamber lubricant oil of the second heavy separate space, and each end cover sealing structure is similar.
Present embodiments provide a kind of transmission system, comprising: retarder, coupling and speed increaser, wherein the working principle of speed increaser is identical with a upper embodiment with effect, does 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 (6)
1. a speed increaser, is characterized in that, comprising: input assembly, output assembly and shifting fork assembly;
Described input assembly comprises: input shaft, spline housing, sliding gear, left side gear and right side gear, described input shaft and described spline housing pass through spline joint, described sliding gear is set on described spline housing, and described spline housing is arranged between described left side gear and described right side gear;
Described output assembly comprises: output shaft, output shaft small gear and output shaft gearwheel, and described output shaft small gear and described output shaft gearwheel are set on described output shaft;
Described shifting fork assembly comprises: shift fork, and described shift fork is connected with described sliding gear, and described sliding gear slides axially along described input shaft under the effect of described shift fork.
2. speed increaser according to claim 1, is characterized in that, described input shaft comprises external splines, and described spline housing comprises internal spline, and the external splines of described input shaft is connected with the internal spline of described spline housing.
3. speed increaser according to claim 1 and 2, is characterized in that, described shifting fork assembly also comprises: handle and declutch shift shaft, and described declutch shift shaft connects described handle and described shift fork.
4. speed increaser according to claim 1 and 2, is characterized in that, described shifting fork assembly also comprises: shifting block;
Described shifting block one end is connected with described shift fork, the described shifting block the other end is fastened in the peripheral groove of described sliding gear, to make when described handle is pulled, then the shifting block on described shift fork fluctuates described sliding gear under the drive of described declutch shift shaft, and described sliding gear is moved vertically.
5. speed increaser according to claim 1 and 2, is characterized in that, described input assembly also comprises: center oilhole and swivel joint;
Described swivel joint connects external lubrication oil circuit and described center oilhole.
6. a transmission system, is characterized in that, comprising: retarder, coupling and the speed increaser described in any one of claim 1-5, and described coupling connects described retarder and described speed increaser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735526.XU CN204267612U (en) | 2014-11-27 | 2014-11-27 | Speed increaser and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735526.XU CN204267612U (en) | 2014-11-27 | 2014-11-27 | Speed increaser and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267612U true CN204267612U (en) | 2015-04-15 |
Family
ID=52802483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420735526.XU Expired - Fee Related CN204267612U (en) | 2014-11-27 | 2014-11-27 | Speed increaser and transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267612U (en) |
-
2014
- 2014-11-27 CN CN201420735526.XU patent/CN204267612U/en not_active Expired - Fee Related
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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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20191127 |