CN105262276A - Connection device for motor and fuel injection pump - Google Patents
Connection device for motor and fuel injection pump Download PDFInfo
- Publication number
- CN105262276A CN105262276A CN201510779463.7A CN201510779463A CN105262276A CN 105262276 A CN105262276 A CN 105262276A CN 201510779463 A CN201510779463 A CN 201510779463A CN 105262276 A CN105262276 A CN 105262276A
- Authority
- CN
- China
- Prior art keywords
- flange
- injection pump
- jockey
- shaft
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Transmission Devices (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a connection device for a motor and a fuel injection pump. The output shaft of the motor is connected with a universal joint. The connection device comprises a base fixedly arranged on the ground and provided with two limiting columns; and a movable assembly. The movable assembly comprises a transition piece provided with two limiting holes and a shaft hole, a flange shaft, and a second flange. The limiting holes are arranged in the limiting columns. One end of the flange shaft is provided with a first flange and the first flange is connected with the flange of the universal joint. The other end of the flange shaft is provided with a shaft part and the shaft part is arranged in the shaft hole. The second flange is detachably connected with the end portion of the shaft part. The second flange is connected with the driving flange of the fuel injection pump. According to the technical scheme of the invention, the flange shaft is in constant connection with the universal joint. Since the flange shaft is limited by the limiting columns, the freedom degree of the universal joint is lowered during the disassembly and assembly process of the fuel injection pump. Therefore, the universal joint is prevented from being driven by the motor to be thrown out to cause the occurrence of dangerous accidents. Meanwhile, the safety condition is met during the mounting, testing and disassembling process of the fuel injection pump.
Description
Technical field
The present invention relates to engine art, particularly the jockey of a kind of motor and injection pump.
Background technology
Because of the restriction of domestic manufacture level, often there is bearing fault and oil leakage fault in the large-scale injection pump product of internal combustion engine, therefore needs to test injection pump, to get rid of the fault of injection pump before being assembled on internal combustion engine.But under the driving of diesel engine, carrying out test to injection pump can produce more fuel cost for a long time, therefore adopts motor-driven shaketalle test to be compare reasonable approach.
In prior art, motor is connected with injection pump with the assembly of ring flange by universal joint, and namely universal joint is connected with ring flange, and the output shaft of motor is connected with universal joint, simultaneously the driving Flange joint of ring flange and injection pump.Under these circumstances, there is the too much degree of freedom in ring flange, and it can drive injection pump to rotate under the drive of motor, can also the flexible and swing relative to injection pump.Like this, when installing, dismantling injection pump, if electric machine rotation, universal joint is together with ring flange still in rotation and swing, and universal joint and ring flange may be thrown out of, and bring very large potential safety hazard to operating personnel.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide the jockey of a kind of motor and injection pump, thus overcome the defect that existing jockey exists potential safety hazard.
For achieving the above object, the invention provides the jockey of a kind of motor and injection pump, the output shaft of motor is connected with universal joint, and jockey comprises: base, and base fixes on the ground, and base is provided with two limited posts; And movable component, movable component comprises: transition piece, and transition piece is provided with two spacing holes, and spacing hole is arranged on limited post; Transition piece is provided with axis hole; Flange shaft, one end of flange shaft is provided with the first flange, the Flange joint of the first flange and universal joint; The other end of flange shaft is axle portion, and axle portion rotates and is arranged on axis hole; And second flange, the second flange is removably connected with the end in axle portion, and the driving Flange joint of the second flange and injection pump.
Preferably, in technique scheme, the diameter of spacing hole is greater than the diameter of limited post, makes transition piece move axially relative to limited post and to swing.
Preferably, in technique scheme, movable component also comprises end flanges, and end flanges is fixed on the end in axle portion, and the second flange is removably connected with end flanges.
Preferably, in technique scheme, jockey also comprises Height Adjustment assembly, Height Adjustment assembly comprises adjustment screw, base is provided with screw, and the lower end of adjustment screw is arranged on base by screw, and the upper end of adjustment screw is connected on the bottom surface of transition piece.
Preferably, in technique scheme, base is provided with the first spring retention groove, and the bottom surface of transition piece is provided with the second spring retention groove, and Height Adjustment assembly also comprises return spring, and return spring is arranged between the first spring retention groove and the second spring retention groove.
Preferably, in technique scheme, limited post is provided with successively the first thread segment, polished rod section and the second thread segment, the first thread segment and the second thread segment are respectively equipped with Ball faced nut and spheric washer, spacing hole is arranged in polished rod section; One end of Ball faced nut is sphere, and one end of spheric washer is provided with sphere hole, and sphere is contained in sphere hole.
Preferably, in technique scheme, the center in axle portion is provided with axial projection, and the center of end flanges is provided with groove, and projection is arranged in groove.
Preferably, in technique scheme, flange shaft is rotatably installed in axis hole by bearing.
Preferably, in technique scheme, limited post is removably connected on base.
Compared with prior art, the present invention has following beneficial effect:
Flange shaft of the present invention is often connected with universal joint, because flange shaft is subject to the restriction of limited post, therefore the degree of freedom of universal joint is reduced when dismantling and install injection pump, avoid universal joint throw away under the drive of motor and cause danger, make injection pump all meet safety condition in installation, test and disassembly process.
Accompanying drawing explanation
Fig. 1 is the stereogram of the jockey according to motor of the present invention and injection pump.
Fig. 2 is the front view of the jockey according to motor of the present invention and injection pump.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the A-A view of Fig. 3.
Fig. 5 is the B-B view of Fig. 2.
Fig. 6 is the stereogram of the base of jockey according to motor of the present invention and injection pump.
Fig. 7 is the front view of the base of jockey according to motor of the present invention and injection pump.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the A-A view of Fig. 8.
Figure 10 is the structure chart of the limited post of jockey according to motor of the present invention and injection pump.
Figure 11 is the stereogram of the bearing pedestal of jockey according to motor of the present invention and injection pump.
Figure 12 is the front view of the bearing pedestal of jockey according to motor of the present invention and injection pump.
Figure 13 is the A-A view of Figure 12.
Figure 14 is the upward view of Figure 12.
Figure 15 is the B-B view of Figure 14.
Figure 16 is the stereogram of the flange shaft of jockey according to motor of the present invention and injection pump.
Figure 17 is the front view of the flange shaft of jockey according to motor of the present invention and injection pump.
Figure 18 is the cutaway view of the flange shaft of jockey according to motor of the present invention and injection pump.
Figure 19 is the structure chart of the spheric washer of jockey according to motor of the present invention and injection pump.
Figure 20 is the front view of the Ball faced nut of jockey according to motor of the present invention and injection pump.
Figure 21 is the vertical view of Figure 20.
Figure 22 is the structure chart of the adjustment screw of jockey according to motor of the present invention and injection pump.
Figure 23 is the stereogram of the end flanges of jockey according to motor of the present invention and injection pump.
Figure 24 is the cutaway view of the end flanges of jockey according to motor of the present invention and injection pump.
Figure 25 is the stereogram of the second flange of jockey according to motor of the present invention and injection pump.
Figure 26 is the front view of the second flange of jockey according to motor of the present invention and injection pump.
Figure 27 is the A-A view of Figure 26.
Figure 28 is the cutaway view of the bearing supported flange of jockey according to motor of the present invention and injection pump.
Figure 29 is the cutaway view of the spacing spacer of insurance of jockey according to motor of the present invention and injection pump.
Main Reference Numerals illustrates:
The spacing stud of 1-, 2-first Ball faced nut, 3-first spheric washer, 4-adjusts screw, 5-second Ball faced nut, 6-second spheric washer, 7-base, 8-return spring, 9-sells, 10-flange shaft, 11-bearing, 12-bearing spacer, 13-bearing pedestal, 14-screw, 15-gap adjustment packing ring, 16-bearing supported flange, 17-shaft block ring, 18-insures spacing spacer, 19-end flanges, 20-second flange, 21-screw, 22-screw.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figures 1 to 5, base 7, limited post 1, movable component and Height Adjustment assembly is comprised according to the motor of the specific embodiment of the invention and the jockey of injection pump.Movable component can relative to base rotation, move up and down and swing.
As Figure 6-9, the center of the body 71 of base 7 is provided with screwed hole 76, the end face of body 71 is arranged with two walls 73, and wall 73 is provided with the first vertical spring retention groove 74.The end face of body 71 is arranged with limited post installing hole 72, limited post installing hole 72 is arranged on the outside of wall 73.On two opposite flanks of body 71, the position corresponding with limited post installing hole 72 is provided with pin-and-hole 75.
As shown in Figure 10, limited post 10 is provided with the first thread segment 101, polished rod section 102, second thread segment 103 and linkage section 104 from top to bottom successively, and linkage section 104 is provided with horizontal pin-and-hole 105.As shown in Figure 4, in the limited post installing hole 72 of linkage section 104 inserted base 7 of limited post 10, and be fixed on base 7 by pin 9.First thread segment 101 is provided with the first Ball faced nut 2 and the first spheric washer 3.As shown in figure 19, the center of spheric washer 3 is provided with stepped hole, and larger hole is sphere hole 31, and less hole is cylindrical hole 32.As shown in figure 20, the center of Ball faced nut 2 is provided with screwed hole 21, and one end of Ball faced nut 2 is sphere 22.Second thread segment 103 is provided with the second Ball faced nut 6 and the second spheric washer 5.The structure of the second Ball faced nut 6 is identical with the structure of the first Ball faced nut 2, and the structure of the second spheric washer 5 is identical with the structure of the first spheric washer 3.
As illustrated in figures 4-5, movable component comprises bearing pedestal 13, flange shaft 10, two bearings 11, end flanges 19 and the second flange 20.
As shown in figs. 11 and 15, bearing pedestal 13 is provided with axis hole 132, and the bilateral symmetry of axis hole 132 is provided with two spacing holes 131, and the diameter of spacing hole 131 is greater than the diameter of polished rod section 102.The bottom surface of bearing pedestal 13 is arranged with two the second spring retention grooves 133.As Figure 1-5, axis hole 132 is arranged between the first spheric washer 3 and the second spheric washer 5, makes bearing pedestal be arranged on polished rod section 102 place of limited post 10.Diameter due to spacing hole 131 is greater than the diameter of polished rod section 102, when making to install underproof injection pump, bearing pedestal 13 can move axially relative to limited post 10 and along each to slight oscillatory, drive movement and the swing of the second flange 20, finally make the adpting flange on the camshaft of injection pump and the second flange 20 coaxial (out-of-alignment reason mainly bottom fuel injection pump housing the manufacture of R arc radius there is error, centering when connecting is installed and there is certain difficulty), convenient installation.Like this, the movement of vibration machine and swing, as transition piece, are converted into the small size swing of universal joint, reduce the danger that universal joint is thrown out of by bearing pedestal.
As shown in figs. 16-18, one end of flange shaft 10 is provided with the first flange 106, and the other end is axle portion, axle portion is provided with step surface 107, diameter near the shaft part of the first flange 106 is comparatively large, and the shaft part that diameter is less is that shaft part 108 installed by bearing, and bearing is installed shaft part 108 and is provided with circlip groove 109.The center that shaft part 108 installed by bearing is provided with axial projection 110.
As shown in figs. 23-24, the center of end flanges 19 is provided with groove 191, end flanges 19 is arranged with multiple flange shaft connecting hole 192 and multiple second flange connecting hole 193.An end face of end flanges 19 is provided with stopper slot.As illustrated in figs. 25-27, an end face of the second flange 20 is provided with spacing preiection, and the center of the second flange 20 is provided with through hole 201, the second flange 20 is arranged with multiple end flanges connecting hole 202 and multiple driving flange connecting hole 203.
As shown in figure 28, an end face of bearing supported flange is provided with and compresses protruding 161, and the center of bearing supported flange is provided with centre bore 162.As shown in figure 29, the center insuring spacing spacer 18 is provided with centre bore 181.
As shown in Figure 5, the axis hole 132 of bearing pedestal 13 is passed in the axle portion of flange shaft 10, two bearings 11 are arranged on the bearing installation shaft part 108 of bearing pedestal 13, the inner ring of the bearing 11 in left side is connected on step surface 107, be provided with bearing spacer 12 between two bearings 11, the inner ring of the bearing 11 on right side is fixed on bearing by shaft block ring 17 and installs on shaft part 108.The outer ring of the bearing 11 on right side is provided with bearing clearance adjustment packing ring 15, the centre bore 162 of bearing supported flange 16 penetrates flange shaft 10, and compresses protruding 162 and adjust packing ring 15 with bearing clearance and abut, and is fixed on bearing pedestal 13 by multiple screw 14.Insure the centre bore 162 of spacing spacer 18 through bearing supported flange 16, and be folded between shaft block ring 17 and end flanges 19.The projection 110 of flange shaft 10 is contained in the groove 191 of end flanges 19, and the end face that shaft part 108 installed by end face and the bearing of end flanges 19 abuts, and the two is linked together by screw 21.The spacing preiection of the second flange 20 is contained in the stopper slot of end flanges 19, and end flanges 19 and the second flange 20 is linked together by screw 22.
As illustrated in figures 4-5, Height Adjustment assembly comprises adjustment screw 4 and two return springs 8.As shown in figure 22, the lower end of adjustment screw 4 is provided with threaded portion 41, and end face is sphere 42.As shown in Figure 4, screw 4 being mounted on base 7 by the screwed hole 76 of threaded portion 41 and base 7 is adjusted.Sphere 42 is connected on the bottom surface of bearing pedestal 13.The lower end of return spring 8 is contained in the first spring retention groove 74 of base 7, and its upper end is contained in the second spring retention groove 133 of bearing pedestal 13.
When using this jockey, first, jockey is placed on the working face of vibration machine, and with screw, base is connected on the installation base surface of vibration machine, simultaneously with screw by the first flange 106 of flange shaft 10 together with the Flange joint of Cardan shaft.Then, with adjustment screw 4, bearing pedestal 13 is adjusted to suitable height, the driving flange of injection pump and the second flange 20 are fitted completely, with Flywheel disc also band turn second flange 20 for setting stick rotating motor, the screw of the screw of the second flange 20 and the driving flange of injection pump is aligned, and with screw, the two is connected.Then by injection pump and injection pump bracket fastening good, and injection pump bracket is fastened on the installation base surface of vibration machine, can tests injection pump.
When needing to dismantle injection pump, only need the second flange 20 to be separated with the driving flange of injection pump, make universal joint remain in flange shaft, because flange shaft and universal joint cannot swing arbitrarily, therefore, the potential safety hazard that when can avoid dismantling and reinstall injection pump, universal joint brings.
Flange shaft of the present invention is often connected with universal joint, because flange shaft is subject to the restriction of limited post, therefore the degree of freedom of universal joint is reduced when dismantling and install injection pump, avoid universal joint throw away under the drive of motor and cause danger, make injection pump all meet safety condition in installation, test and disassembly process.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (9)
1. a jockey for motor and injection pump, the output shaft of described motor is connected with universal joint, it is characterized in that, described jockey comprises:
Base, described base fixes on the ground, and described base is provided with two limited posts; And
Movable component, described movable component comprises:
Transition piece, described transition piece is provided with two spacing holes, and described spacing hole is arranged on described limited post; Described transition piece is provided with axis hole;
Flange shaft, one end of described flange shaft is provided with the first flange, the Flange joint of described first flange and described universal joint; The other end of described flange shaft is axle portion, and described axle portion rotates and is arranged on described axis hole; And
Second flange, described second flange is removably connected with the end in described axle portion, and the driving Flange joint of described second flange and described injection pump.
2. the jockey of motor according to claim 1 and injection pump, is characterized in that, the diameter of described spacing hole is greater than the diameter of described limited post, makes described transition piece move axially relative to described limited post and to swing.
3. the jockey of motor according to claim 2 and injection pump, is characterized in that, described movable component also comprises end flanges, and described end flanges is fixed on the end in described axle portion, and described second flange is removably connected with described end flanges.
4. the jockey of motor according to claim 1 and 2 and injection pump, it is characterized in that, described jockey also comprises Height Adjustment assembly, described Height Adjustment assembly comprises adjustment screw, described base is provided with screw, the lower end of described adjustment screw is arranged on described base by screw, and the upper end of described adjustment screw is connected on the bottom surface of described transition piece.
5. the jockey of motor according to claim 4 and injection pump, it is characterized in that, described base is provided with the first spring retention groove, the bottom surface of described transition piece is provided with the second spring retention groove, described Height Adjustment assembly also comprises return spring, and described return spring is arranged between the first spring retention groove and described second spring retention groove.
6. the jockey of motor according to claim 1 and injection pump, it is characterized in that, described limited post is provided with successively the first thread segment, polished rod section and the second thread segment, described first thread segment and described second thread segment are respectively equipped with Ball faced nut and spheric washer, and described spacing hole is arranged in described polished rod section; One end of described Ball faced nut is sphere, and one end of described spheric washer is provided with sphere hole, and described sphere is contained in described sphere hole.
7. the jockey of motor according to claim 3 and injection pump, is characterized in that, the center in described axle portion is provided with axial projection, and the center of described end flanges is provided with groove, and described projection is arranged in described groove.
8. the jockey of motor according to claim 1 and injection pump, is characterized in that, described flange shaft is rotatably installed in described axis hole by bearing.
9. the jockey of motor according to claim 1 and injection pump, is characterized in that, described limited post is removably connected on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779463.7A CN105262276B (en) | 2015-11-13 | 2015-11-13 | The attachment device of motor and injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779463.7A CN105262276B (en) | 2015-11-13 | 2015-11-13 | The attachment device of motor and injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105262276A true CN105262276A (en) | 2016-01-20 |
| CN105262276B CN105262276B (en) | 2018-05-11 |
Family
ID=55101826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779463.7A Active CN105262276B (en) | 2015-11-13 | 2015-11-13 | The attachment device of motor and injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105262276B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005934A (en) * | 2016-07-11 | 2016-10-12 | 北京橡胶工业研究设计院 | Automatic transport system for green tire transfer device |
| CN113540514A (en) * | 2021-07-14 | 2021-10-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1643141A1 (en) * | 2004-09-30 | 2006-04-05 | Profilati S.p.A. | A device for supporting conveyor rollers |
| US20070201780A1 (en) * | 2006-02-24 | 2007-08-30 | Deere & Company, A Delaware Corporation | Rockshaft liner with thrust surface |
| CN201713247U (en) * | 2010-05-26 | 2011-01-19 | 毛湘武 | Mine underground rail conveying adjustable rope support sheave device |
| CN202545598U (en) * | 2012-05-12 | 2012-11-21 | 吉林大学 | Transit support device for flexible power transmission |
| CN104005894A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Fuel injection pump vibration test device |
| CN204664182U (en) * | 2015-05-07 | 2015-09-23 | 天津浩洋聚盛科技有限公司 | A kind of semiclossed bearing base |
| CN205178762U (en) * | 2015-11-13 | 2016-04-20 | 广西玉柴机器股份有限公司 | Device for connecting motor and injection pump |
-
2015
- 2015-11-13 CN CN201510779463.7A patent/CN105262276B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1643141A1 (en) * | 2004-09-30 | 2006-04-05 | Profilati S.p.A. | A device for supporting conveyor rollers |
| US20070201780A1 (en) * | 2006-02-24 | 2007-08-30 | Deere & Company, A Delaware Corporation | Rockshaft liner with thrust surface |
| CN201713247U (en) * | 2010-05-26 | 2011-01-19 | 毛湘武 | Mine underground rail conveying adjustable rope support sheave device |
| CN202545598U (en) * | 2012-05-12 | 2012-11-21 | 吉林大学 | Transit support device for flexible power transmission |
| CN104005894A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Fuel injection pump vibration test device |
| CN204664182U (en) * | 2015-05-07 | 2015-09-23 | 天津浩洋聚盛科技有限公司 | A kind of semiclossed bearing base |
| CN205178762U (en) * | 2015-11-13 | 2016-04-20 | 广西玉柴机器股份有限公司 | Device for connecting motor and injection pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005934A (en) * | 2016-07-11 | 2016-10-12 | 北京橡胶工业研究设计院 | Automatic transport system for green tire transfer device |
| CN113540514A (en) * | 2021-07-14 | 2021-10-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
| CN113540514B (en) * | 2021-07-14 | 2022-11-22 | 河北金士顿新能源科技有限公司 | Hydrogen circulation device for fuel cell system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105262276B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2606462C2 (en) | Gas turbine engine support post assembly | |
| CN105262276A (en) | Connection device for motor and fuel injection pump | |
| CN202781032U (en) | Assembly tool for oil seal jacket in deep hole of rotor shaft of aero-engine | |
| CN104034525A (en) | Multifunctional spring fatigue testing machine | |
| CN205178762U (en) | Device for connecting motor and injection pump | |
| CN202673993U (en) | Universal ball head bearing | |
| CN103630103B (en) | A kind of measurement mechanism of guide vane listrium gap | |
| CN106230201A (en) | A kind of automatic assembly line of motor | |
| CN205034126U (en) | Car connection device of roller -coaster | |
| CN204064623U (en) | Spring fatigue test device | |
| CN205342998U (en) | Inside compression spring's of cylinder body assembly fixture | |
| CN207534288U (en) | Gearbox changer and its locking device | |
| CN214952053U (en) | Spring fatigue test device | |
| CN107471152B (en) | A kind of full-floating type round nut assembling and disassembling device | |
| CN104089763A (en) | Spring fatigue test device | |
| CN206427049U (en) | For the buffer of hitch and the railcar train with it | |
| CN108007325A (en) | A kind of coaxiality check fixture | |
| CN208483471U (en) | A kind of string bearing press-fitting device | |
| CN108505438B (en) | A kind of bridge inspection vehicle slewing equipment | |
| CN107588891B (en) | Fanjet rotor single-stage disk balance test squirrel-cage flexible balance device | |
| CN205898456U (en) | Axial loading assembly of wheel hub bearing testing machine | |
| CN203560681U (en) | Universal support | |
| CN209326509U (en) | It is a kind of for examining axle housing interference driven gear to test tool | |
| CN208766556U (en) | Computer with integrated | |
| CN106248372B (en) | Run-in stand cylinder driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |