CN109630559B - Transmission shaft conversion disc of automobile-to-electricity driving test exercise vehicle - Google Patents
Transmission shaft conversion disc of automobile-to-electricity driving test exercise vehicle Download PDFInfo
- Publication number
- CN109630559B CN109630559B CN201910092888.9A CN201910092888A CN109630559B CN 109630559 B CN109630559 B CN 109630559B CN 201910092888 A CN201910092888 A CN 201910092888A CN 109630559 B CN109630559 B CN 109630559B
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- China
- Prior art keywords
- notch
- transmission shaft
- side plate
- fixedly arranged
- chassis
- 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.)
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 title abstract description 47
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 239000004636 vulcanized rubber Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention discloses a transmission shaft conversion plate of a driving test practice vehicle for changing steam into electricity, which comprises a chassis, wherein a left side plate and a right side plate are fixedly arranged on the chassis, a notch I is formed in the left side plate, a rotating piece is arranged in the notch I, a plurality of balls are arranged between the notch I and the rotating piece, a plurality of convex keys are fixedly arranged on an inner layer of the rotating piece, a spline wheel is arranged in an inner ring of the rotating piece, a plurality of key grooves are fixedly arranged on an outer ring of the spline wheel, and the key grooves correspond to the convex keys; the right side plate is provided with a notch II, one side of the sliding rod, which is far away from the groove, is fixedly provided with an arc buffer block, and a plurality of shaft sleeves are clamped between the arc buffer blocks. The invention provides a transmission shaft conversion plate of a driving test exercise vehicle with an improved power by steam, which not only can provide support and limit for a transmission shaft, but also can accurately transmit torsion force, is not easy to wear, is internally provided with a device for buffering, decompressing and protecting the transmission shaft, prevents the transmission shaft from wearing and prolongs the service life.
Description
Technical Field
The invention relates to the technical field of conversion discs, in particular to a transmission shaft conversion disc of a driving test exercise vehicle capable of changing steam into electricity.
Background
In conventional automotive assemblies, the drive shaft is typically coupled to a gasoline engine that converts internal energy into kinetic energy using gasoline as a fuel. However, the thermal efficiency of the gasoline engine is low, the poising consumption is high, the use cost is high, and in order to reduce the energy consumption and protect the environment, the gasoline engine is replaced by the motor, so that a conversion disc for connecting the transmission shaft and the motor is needed, and the existing device cannot realize the function.
In the prior art, a lightweight transmission shaft connecting disc for heavy truck with the application number of 201320546880.3 comprises an integrated universal joint base and a flange body, and is formed into a set of assembly by installing universal joints; the weight of the disc body is greatly reduced through the weight reducing groove, the strength of the flange plate of the transmission shaft is guaranteed through the reinforcing ribs, the requirement of torque transmission is met, and the lightweight transmission shaft connecting disc for the heavy truck has the characteristics of lighter weight and stronger bearing capacity, and belongs to a novel lightweight structure.
However, in the using process, the method still has obvious defects: 1. the connecting disc only can provide a supporting function for the transmission shaft, can not assist the transmission shaft to transmit the torsion of the motor more accurately, and has limited functions; 2. the connecting disc can not provide shock absorption and buffering for the transmission shaft, can not relieve abrasion of the rotation shaft under high-speed movement, and can easily damage and break the rotation shaft, so that the connecting disc has a large potential safety hazard.
Disclosure of Invention
The invention aims to provide a transmission shaft conversion disc of a driving test exercise vehicle for changing steam into electricity so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The transmission shaft conversion plate comprises a chassis, a left side plate and a right side plate are fixedly arranged on the chassis, a first notch is formed in the left side plate, a rotating piece is arranged in the first notch, a plurality of balls are arranged between the first notch and the rotating piece, a plurality of convex keys are fixedly arranged on an inner layer of the rotating piece, spline wheels are arranged in an inner ring of the rotating piece, a plurality of key grooves are fixedly arranged on an outer ring of the spline wheels, the key grooves correspond to the convex keys, a fixed adhesive layer is arranged in an inner ring of the key grooves, and a mounting hole I is formed in the center of the fixed adhesive layer;
The novel sliding rail type compression device is characterized in that a notch II is formed in the right side plate, fixing blocks are fixedly arranged in a plurality of operation grooves formed in the right side plate around the notch II, grooves are formed in the fixing blocks, guide rails are symmetrically and fixedly arranged on two sides of the grooves, sliding rods are movably arranged between the guide rails, cambered surface buffer blocks are fixedly arranged on one sides of the sliding rods away from the grooves, compression springs are connected between the cambered surface buffer blocks and the notch II, cambered surface buffer blocks are fixedly arranged on one sides of the cambered surface buffer blocks away from the compression springs, a plurality of cambered surface smooth blocks are clamped with shaft sleeves, vulcanized rubber is arranged in inner rings of the shaft sleeves, and mounting holes II are formed in the centers of the vulcanized rubber.
Preferably, the chassis, the left side plate and the right side plate are integrally formed.
Preferably, threaded holes are symmetrically formed in two sides of the chassis, threaded rods are movably arranged in the threaded holes, and nuts are fixedly arranged on the threaded rods.
Preferably, a gasket is arranged between the nut and the chassis.
Preferably, baffles are fixedly arranged on two sides of the ball.
Compared with the prior art, the invention has the beneficial effects that:
1. The switching disc can accurately transfer the torsion of the motor and the transmission shaft, is efficient and accurate, is not easy to wear, and can effectively prolong the service life of the device;
2. The conversion disc is internally provided with a damping and buffering device, so that the decompression effect is improved, and the loss is reduced;
3. the structure for protecting the transmission shaft by the built-in shaft sleeve and the like in the conversion disc prevents the transmission shaft from being worn too fast, improves the durability of the transmission shaft and effectively prolongs the service life of the device.
The invention provides a transmission shaft conversion plate of a driving test exercise vehicle with an improved power by steam, which not only can provide support and limit for a transmission shaft, but also can accurately transmit torsion force, is not easy to wear, is internally provided with a device for buffering, decompressing and protecting the transmission shaft, prevents the transmission shaft from wearing and prolongs the service life.
Drawings
FIG. 1 is a front elevational view of the overall structure of the present invention;
FIG. 2 is a schematic view of a left side panel notch I according to the present invention;
FIG. 3 is a block diagram of a spline in slot one of the present invention;
FIG. 4 is a side elevational view of the right side plate of the present invention;
Fig. 5 is an enlarged view of fig. 4 at a in accordance with the present invention.
In the figure: the novel rubber tire comprises a chassis 1, a left side plate 2, a right side plate 3, a threaded hole 4, a threaded rod 5, a nut 6, a gasket 7, a notch I, a rotating piece 9, a ball 10, a convex key 11, a spline wheel 12, a key groove 13, a fixed adhesive layer 14, a mounting hole I, a notch II, a fixing block 17, a groove 18, a guide rail 19, a slide rod 20, a cambered surface buffer block 21, a compression spring 22, a cambered surface block 23, a shaft sleeve 24, vulcanized rubber 25 and a mounting hole II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
The utility model provides a driving of car change electricity examines transmission shaft change-over disc of exercise vehicle, including chassis 1, the fixed left side board 2 and the right side board 3 that are provided with on chassis 1, notch one 8 has been seted up on the left side board 2, be provided with rotating member 9 in notch one 8, be provided with a plurality of balls 10 between notch one 8 and the rotating member 9, when rotating member 9 takes place rotatory, ball 10 can take place to rotate, thereby reduce the wearing and tearing of rotating member 9, rotating member 9 inlayer is fixed and is provided with a plurality of protruding keys 11, be provided with spline wheel 12 in the inner circle of rotating member 9, spline wheel 12's outer lane is fixed and is provided with a plurality of keyways 13, keyway 13 and protruding key 11 are corresponding, when spline wheel 12 rotates, can drive the rotating member 9 at protruding key 11 place through keyway 13 and rotate together, be provided with fixed glue line 14 in the inner circle of keyway 13, fixed glue line 14's center has seted up mounting hole one 15, the transmission shaft runs through in mounting hole one 15, the transmission shaft can be firmly fixed in spline wheel 12 under the effect of fixed glue line 14, prevent that the direct rotation from causing the loss too fast.
The right side plate 3 is provided with a notch II 16, a fixed block 17 is fixedly arranged in a plurality of operation grooves formed around the notch II 16, grooves 18 are formed in the fixed block 17, guide rails 19 are symmetrically and fixedly arranged on two sides of the grooves 18, sliding rods 20 are movably arranged between the symmetrical guide rails 19, the sliding rods 20 can move along the guide rails 19, one side, far away from the grooves 18, of each sliding rod 20 is fixedly provided with an arc buffer block 21, a compression spring 22 is connected between the arc buffer blocks 21 and the notch II 16, the compression spring 22 plays a role in damping and buffering, one side, far away from the compression spring 22, of each arc buffer block 21 is fixedly provided with an arc smooth surface block 23, a shaft sleeve 24 is clamped between the arc smooth surface blocks 23, the surfaces of the arc smooth surface blocks 23 can effectively reduce the abrasion degree of the shaft sleeve 24, transmission loss can also be reduced, transmission accuracy is improved, vulcanized rubber 25 is arranged in an inner ring of the shaft sleeve 24, a mounting hole II 26 is formed in the center of the vulcanized rubber 25, the mounting hole II 26 is penetrated and arranged, vulcanized rubber 25 has good elasticity, the transmission shaft can be tightly adhered on the transmission shaft, the transmission shaft can also can be prevented from being broken and stable due to the elasticity, and the service life of the transmission shaft can be prolonged.
As a preference, the chassis 1, the left side plate 2 and the right side plate 3 are integrally formed, so that the connection stability of each part can be improved, the mass production and the use are more convenient, and the assembly steps are reduced.
As a preference, the two sides of the chassis 1 are symmetrically provided with threaded holes 4, threaded rods 5 are movably arranged in the threaded holes 4, nuts 6 are fixedly arranged on the threaded rods 5, the device can be fixed at a proper position through the threaded rods 5, the threaded rods 5 can rotate in the threaded holes 4, and the nuts 6 play a role in fixing the threaded rods 5.
As a preference, a gasket 7 is provided between the nut 6 and the chassis 1, the gasket 7 serving to improve the tightness and the connection stability between the nut 6 and the chassis 1.
As a preferred option, the two sides of the ball 10 are fixedly provided with a baffle plate, and the baffle plate is arranged between the notch one 8 and the rotating member 9, so that the limiting effect of preventing the ball 10 from falling is mainly achieved.
Working principle: when in use, the device is placed at a proper position, the threaded rods 5 at two sides of the rotary chassis 1 are used for fixing the whole device, after the position of the threaded rods 5 is adjusted, the threaded rods 5 are locked through the nuts 6, and the gasket 7 further improves the sealing performance and the connection stability.
And the transmission shaft sequentially penetrates through the first mounting hole 15 and the second mounting hole 26, firstly, the transmission shaft passes through the first mounting hole 15 and is closely attached to the fixed adhesive layer 14, the fixed adhesive layer 14 realizes the fixation of the transmission shaft, when the transmission shaft rotates, the spline wheel 12 is driven to rotate through the fixed adhesive layer 14, the convex key 11 on the rotating piece 9 is movably meshed in the key groove 13 on the spline wheel 12, when the spline wheel 12 rotates, the rotating piece 9 also rotates and drives the ball 10 to rotate, the structures can accurately and efficiently transmit the torsion force of the transmission shaft, and the transmission shaft is arranged in the spline wheel 12, so that the abrasion degree of the transmission shaft can be effectively delayed.
Secondly, the transmission shaft passes through the second mounting hole 26 and then is closely attached to the vulcanized rubber 25, the adhesive and the like can be used for assisting in realizing the adhesion between the transmission shaft and the vulcanized rubber 25, the vulcanized rubber 25 has rubber elasticity, when the transmission shaft rotates at a high speed, rigid breakage cannot occur, the outer layer of the vulcanized rubber 25 is the shaft sleeve 24, the direct contact of the transmission shaft is avoided, the shaft sleeve 24 of the outer ring can be driven to rotate among the plurality of arc-shaped smooth surface blocks 23 when the transmission shaft rotates, the surface of the arc-shaped smooth surface blocks 23 is smooth, the abrasion of the shaft sleeve 24 can be reduced, in the rotating process, the arc-shaped smooth surface blocks 23 and the arc-shaped buffer blocks 21 can squeeze the compression spring 22 to different degrees due to the change of the pressure, and the compression spring 22 plays the roles of shock absorption and buffering, so that the service life of the device is effectively prolonged.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a driving of vapour change electricity examines driving and examines driving shaft transfer board of exercise vehicle, includes chassis (1), its characterized in that: the novel anti-theft device is characterized in that a left side plate (2) and a right side plate (3) are fixedly arranged on the chassis (1), a first notch (8) is formed in the left side plate (2), a rotating piece (9) is arranged in the first notch (8), a plurality of balls (10) are arranged between the first notch (8) and the rotating piece (9), a plurality of convex keys (11) are fixedly arranged on an inner layer of the rotating piece (9), a spline wheel (12) is arranged in an inner ring of the rotating piece (9), a plurality of key grooves (13) are fixedly arranged on an outer ring of the spline wheel (12), the key grooves (13) correspond to the convex keys (11), a fixed adhesive layer (14) is arranged in an inner ring of the key grooves (13), and a mounting hole I (15) is formed in the center of the fixed adhesive layer (14);
The novel vulcanizing machine is characterized in that a notch II (16) is formed in the right side plate (3), a fixed block (17) is fixedly arranged in a plurality of operation grooves formed around the notch II (16), grooves (18) are formed in the fixed block (17), guide rails (19) are symmetrically and fixedly arranged on two sides of the grooves (18), sliding rods (20) are movably arranged between the guide rails (19), one side, far away from the grooves (18), of each sliding rod (20) is fixedly provided with an arc-shaped buffer block (21), a compression spring (22) is connected between the arc-shaped buffer block (21) and the notch II (16), an arc-shaped smooth surface block (23) is fixedly arranged on one side, far away from the compression spring (22), a plurality of shaft sleeves (24) are clamped between the arc-shaped smooth surface blocks (23), vulcanized rubber (25) are arranged in inner rings of the shaft sleeves (24), and a mounting hole II (26) is formed in the center of the vulcanized rubber (25);
the chassis (1), the left side plate (2) and the right side plate (3) are integrally formed;
threaded holes (4) are symmetrically formed in two sides of the chassis (1), threaded rods (5) are movably arranged in the threaded holes (4), and nuts (6) are fixedly arranged on the threaded rods (5).
2. The drive shaft conversion disc of a car-to-electricity drive test exercise vehicle according to claim 1, wherein: a gasket (7) is arranged between the nut (6) and the chassis (1).
3. The drive shaft conversion disc of a car-to-electricity drive test exercise vehicle according to claim 1, wherein: both sides of the ball (10) are fixedly provided with baffle plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092888.9A CN109630559B (en) | 2019-01-30 | 2019-01-30 | Transmission shaft conversion disc of automobile-to-electricity driving test exercise vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092888.9A CN109630559B (en) | 2019-01-30 | 2019-01-30 | Transmission shaft conversion disc of automobile-to-electricity driving test exercise vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630559A CN109630559A (en) | 2019-04-16 |
| CN109630559B true CN109630559B (en) | 2024-04-30 |
Family
ID=66064288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092888.9A Active CN109630559B (en) | 2019-01-30 | 2019-01-30 | Transmission shaft conversion disc of automobile-to-electricity driving test exercise vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630559B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167155A (en) * | 1993-12-15 | 1995-07-04 | Suzuki Motor Corp | Joint construction for four-wheel drive vehicle |
| KR20050042689A (en) * | 2003-11-04 | 2005-05-10 | 현대자동차주식회사 | Mounting structure for differential of vehicle |
| CN2786360Y (en) * | 2005-03-21 | 2006-06-07 | 李德良 | Quincunx ball bearing telescopic coupler |
| JP2009073385A (en) * | 2007-09-21 | 2009-04-09 | Nissan Diesel Motor Co Ltd | Supporting structure of propeller shaft |
| CN202827146U (en) * | 2012-09-03 | 2013-03-27 | 中国重汽集团济南动力有限公司 | Intermediate transmission shaft assembly for heavy-duty car |
| CN203067599U (en) * | 2012-12-06 | 2013-07-17 | 天津市津东华明纸箱厂 | Compensating device for die-cutting machine of printing machine |
| CN203441996U (en) * | 2013-09-04 | 2014-02-19 | 中国重汽集团济南动力有限公司 | Lightweight transmission shaft connecting disc for heavy truck |
| CN108612778A (en) * | 2018-06-26 | 2018-10-02 | 盐城恒鼎机械有限公司 | A kind of against shock copper alloy casting axle sleeve |
| CN108986980A (en) * | 2018-07-25 | 2018-12-11 | 陈辉 | A kind of waterproof anti-twisting cable used for wind power generation |
| CN208344995U (en) * | 2018-07-01 | 2019-01-08 | 邓仕友 | A kind of Oil & Gas Storage tank body |
| CN109179146A (en) * | 2018-10-31 | 2019-01-11 | 布劳恩电梯有限公司 | Elevator car buffer device |
| CN209458310U (en) * | 2019-01-30 | 2019-10-01 | 安徽宝信信息科技有限公司 | Vapour changes the transmission shaft changeover panel of the Driving Test practice vehicle of electricity |
-
2019
- 2019-01-30 CN CN201910092888.9A patent/CN109630559B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167155A (en) * | 1993-12-15 | 1995-07-04 | Suzuki Motor Corp | Joint construction for four-wheel drive vehicle |
| KR20050042689A (en) * | 2003-11-04 | 2005-05-10 | 현대자동차주식회사 | Mounting structure for differential of vehicle |
| CN2786360Y (en) * | 2005-03-21 | 2006-06-07 | 李德良 | Quincunx ball bearing telescopic coupler |
| JP2009073385A (en) * | 2007-09-21 | 2009-04-09 | Nissan Diesel Motor Co Ltd | Supporting structure of propeller shaft |
| CN202827146U (en) * | 2012-09-03 | 2013-03-27 | 中国重汽集团济南动力有限公司 | Intermediate transmission shaft assembly for heavy-duty car |
| CN203067599U (en) * | 2012-12-06 | 2013-07-17 | 天津市津东华明纸箱厂 | Compensating device for die-cutting machine of printing machine |
| CN203441996U (en) * | 2013-09-04 | 2014-02-19 | 中国重汽集团济南动力有限公司 | Lightweight transmission shaft connecting disc for heavy truck |
| CN108612778A (en) * | 2018-06-26 | 2018-10-02 | 盐城恒鼎机械有限公司 | A kind of against shock copper alloy casting axle sleeve |
| CN208344995U (en) * | 2018-07-01 | 2019-01-08 | 邓仕友 | A kind of Oil & Gas Storage tank body |
| CN108986980A (en) * | 2018-07-25 | 2018-12-11 | 陈辉 | A kind of waterproof anti-twisting cable used for wind power generation |
| CN109179146A (en) * | 2018-10-31 | 2019-01-11 | 布劳恩电梯有限公司 | Elevator car buffer device |
| CN209458310U (en) * | 2019-01-30 | 2019-10-01 | 安徽宝信信息科技有限公司 | Vapour changes the transmission shaft changeover panel of the Driving Test practice vehicle of electricity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630559A (en) | 2019-04-16 |
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