CN107499291A - A kind of automotive safety BAS - Google Patents
A kind of automotive safety BAS Download PDFInfo
- Publication number
- CN107499291A CN107499291A CN201710492637.0A CN201710492637A CN107499291A CN 107499291 A CN107499291 A CN 107499291A CN 201710492637 A CN201710492637 A CN 201710492637A CN 107499291 A CN107499291 A CN 107499291A
- Authority
- CN
- China
- Prior art keywords
- brake force
- bas
- semiaxis
- displacement
- applying mechanism
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of automotive safety BAS, including the BAS being made up of trigger element and execution unit, and the semiaxis being connected on automobile chassis and with wheel, it is characterised in that:The trigger element includes AC power, transformer, flow straightener and the starting switch of wire connection successively;The execution unit includes:Brake force source, the brake force source are connected with the starting switch wire;Brake force applying mechanism, the brake force applying mechanism are located at the output end in the brake force source;Load carrier, the load carrier are located on the semiaxis, and the load carrier is also close with the brake force applying mechanism and leaves gap.EBA of the invention by increasing a set of innovative design on the basis of original brakes, so as to improve the security of automobile brake.
Description
【Technical field】
The present invention relates to the technical field of automobile brake, more particularly to a kind of automotive safety BAS.
【Background technology】
Automotive safety braking is a part particularly important in automobile safety system, is related to material, vibration, structure and electricity
The intersection of the multiple fields such as son, there is complicated coupling factor.In car steering accident, although the probability of brake failure is not
Height, but the final result of such all case be all it is extremely serious, therefore all kinds of automobile manufacturing companies to automobile brake this
Most basic and important system has high attention.
But so far, in the kart that in the market is released, the realization principle of brakes is not changed,
Either disc type brake or drum brake, it is to be driven brake according to ripe lever principle and hydraulic booster principle
Piece, this braking technology is ripe, but the brake failure case occurred in counting, also comes from such brakes, to brake
In the problem of failure result of study, the several factors being widely recognized are as follows:
1) it is improper to maintain, and causes that master cylinder is poorly sealed, has impurity;
2) vacuum booster pump fails;
3) brake fluid is used in mixed way, and vapour lock occurs after heated.
Above-mentioned all factors, probability can be showed in theory by being respectively provided with Conventional braking systems, so in order to improve automobile system
Dynamic safety and reliability, need to carry out innovative design in automobile brake principle.
【The content of the invention】
The purpose of the present invention is exactly in order to solve the problems, such as that orthodox car braking has brake failure, by original braking
Increase the EBA of a set of innovative design in system-based, so as to improve the security of automobile brake.
To achieve the above object, the present invention proposes a kind of automotive safety BAS, including by trigger element and
The BAS of execution unit composition, and the semiaxis being connected on automobile chassis and with wheel, it is characterised in that:
The trigger element includes AC power, transformer, flow straightener and the starting switch of wire connection successively;It is described to hold
Row unit includes:Brake force source, the brake force source are fixed on automobile chassis support and are connected with the starting switch wire;
Brake force applying mechanism, the brake force applying mechanism are located at the output end in the brake force source;Load carrier, the carrying machine
Structure is located on the semiaxis, and the load carrier is also close with the brake force applying mechanism and leaves gap.
Preferably, the brake force source includes a ultra-magnetic telescopic pipe rod for carrying through hole, the ultra-magnetic telescopic
A coil rack is set with outside pipe rod, multiturn coil is wound with the coil rack, two lead ends of coil connect respectively
Then the starting switch and AC power, coil rack are set with the skeleton shell that a both ends are provided with through hole, the bone outside
A containment vessel is set with rack enclosure, the spiral water route of Cooling Water circulation, containment vessel are provided with the containment vessel inwall
Water supply connector and water out adapter are provided with outer wall, is fixed on outside containment vessel on automobile chassis support, skeleton outer side both ends
It is tightly connected by sealing ring and the containment vessel;Ultra-magnetic telescopic pipe nose in coil rack is provided with gasket ring,
Gasket ring front end is additionally provided with the top cover being similarly positioned in skeleton shell, is set between top cover and the end cap inner side of skeleton case nose
There is jump ring.
Brake force applying mechanism is connected to preferably, being threadably secured in the top cover, the brake force applies machine
Structure includes displacement amplifier and friction taper sleeve, and the displacement amplifier is lever displacement amplifier, and displacement amplifier has multigroup
And be uniformly distributed along the circumference, the displacement initial end of displacement amplifier is fixed on the top cover being threadedly coupled with a top cover joint, displacement
The displacement end of amplifier is fixedly connected with friction taper sleeve, and each fix bar in centre of displacement amplifier is fixed on the branch of automobile chassis
On frame.
Preferably, the load carrier is in umbrella shape, by a sleeve pipe and positioned at cannula tip and with sleeve pipe one into
The friction cone core composition of type, the friction cone core have the inner chamber beneficial to radiating, reinforcement are provided between inner chamber and sleeve pipe;Institute
State sleeve pipe and pass through the semiaxis, the keyway of axial symmetry arrangement and the lock pin aperture of axial symmetry arrangement, the set are provided with sleeve pipe
Pipe and semiaxis carry out radial constraint by key connection, and are fixedly connected with carry out axial constraint by pin.
Preferably, the friction cone core is coaxially distributed with the friction taper sleeve, the outside conical surface and the friction of the cone core that rubs
Down suction distance between the inner side conical surface of tapered sleeve, it is 0.2-2mm during inoperative.
Preferably, the starting switch includes starting detecting system and starts triggering system;The startup detecting system
Including for detecting the displacement transducer of brake pedal movement range and for detecting speed by detecting half rotating speed
Velocity sensor;The startup triggering system includes PLC, relay and button switch;Institute's displacement sensors are set
On the car body on rear side of brake pedal, the velocity sensor includes being fixed on the testing the speed subdivision gear and positioned at testing the speed on semiaxis
The probe of gear side is segmented, the gap width of the probe and the subdivision gear that tests the speed is 0.5-1.5mm;The velocity sensor and
Displacement transducer is connected in PLC by wire respectively;It is integrally disposed in the PLC to have a timer, it is described
The control circuit of relay is connected in PLC, the forceful electric power loop where the forceful electric power circuit access starting switch of relay;
The forceful electric power lines in parallel of the button switch and relay is linked into the forceful electric power loop where starting switch.
Beneficial effects of the present invention:
1) present invention uses power source of the ultra-magnetic telescopic pipe rod as Vehicle brake assist system, utilizes ultra-magnetic telescopic
The High power output of material, without fatigue loss and the features such as fast response time, be capable of the brake force of effective guarantee BAS
Output reliability;
2) load carrier in EBA uses conical friction face, is advantageous to stablize the dynamic balancing of rotary body, single
Side is advantageous to heat from another side Quick diffusing as frictional contact surface, improves the stability of friction catch;
3) because brake force source, brake force applying mechanism and load carrier are sleeved on semiaxis, so rubbing during braking
Vibration equilibrium is wiped, and the plane space taken above chassis is small, saves space.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the decomposition texture schematic diagram of the present invention;
Fig. 3 is the structural representation of brake force applying mechanism in the present invention;
Fig. 4 is the structural representation of load carrier in the present invention;
Fig. 5 is the cutting structural representation in brake force source in the present invention.
In figure:1- brake force source, 2- brake force applying mechanism, 3- load carriers, 4- semiaxis, 101- ultra-magnetic telescopic pipes
Rod, 102- coil racks, 103- coils, 104- skeletons shell, 105- containment vessels, 106- gasket rings, 107- top covers, 108- jump rings,
At the beginning of 109- spirals water route, 110- water supply connectors, 111- water out adapters, 201- top covers joint, 202- displacement amplifiers, 203- displacements
Top, 204- displacement ends, 205- friction taper sleeves, 301- sleeve pipes, 302- frictions cone core, 303- keyways, 304- lock pin apertures.
【Embodiment】
Embodiment one,
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of automotive safety BAS of the invention, including it is single by triggering
The BAS of member and execution unit composition, and the semiaxis 4 being connected on automobile chassis and with wheel, its feature exist
In:
The trigger element includes AC power, transformer, flow straightener and the starting switch of wire connection successively;Alternating current
The rated voltage in source is 220V, and the input of transformer, output stage are respectively 220 and 380V;Starting switch is located in driver's cabin
Control on platform;The execution unit includes:Brake force source 1, the brake force source 1 are fixed on automobile chassis support and opened with described
Dynamic switch wire connection;Brake force applying mechanism 2, the brake force applying mechanism 2 are located at the output end in the brake force source 1;
Load carrier 3, the load carrier 3 are located on the semiaxis 4, and the load carrier 3 also applies machine with the brake force
Structure 2 is close and leaves gap.
The brake force source 1 includes a ultra-magnetic telescopic pipe rod 101 for carrying through hole, the ultra-magnetic telescopic pipe rod
A coil rack 102 is set with outside 101, multiturn coil 103 is wound with the coil rack 102, two of coil 103 draw
Line end respectively connected the starting switch and AC power, and the bone that a both ends are provided with through hole is set with outside coil rack 102
Rack enclosure 104, a containment vessel 105 is set with the skeleton shell 104, cooling is provided with the inwall of containment vessel 105
But the logical spiral water route 109 of current, water supply connector 110 and water out adapter 111, containment vessel 105 are provided with the outer wall of containment vessel 105
It is fixed on automobile chassis support, can be fixed by support base and chassis by setting support base on containment vessel 105,
Can be directly by setting screw to be fixed with automobile chassis support on containment vessel 105, the outside both ends of skeleton shell 104 pass through close
Seal is tightly connected with the containment vessel 105;The front end of ultra-magnetic telescopic pipe rod 101 in coil rack 102 is provided with pad
Ring 106, the front end of gasket ring 106 are additionally provided with the top cover 107 being similarly positioned in skeleton shell, top cover 107 and the front end of skeleton shell 104
End cap on the inside of between be provided with jump ring 108.
Ultra-magnetic telescopic pipe rod 101 is a kind of giant magnetostrictive material, passes through acquisition purchased in market;Giant magnetostrictive material has
Ultra-magnetic telescopic effect, when giant magnetostrictive material axially obtains the magnetic field of change, giant magnetostrictive material will be sent out in itself
Raw pole to elongation, the thrust of elongation is relevant with sectional area, and its elongation principle comes from the magnetic domain surrounded and watched under state inside and revolved
Turn, so without fatigue loss, can be with Reusability.
The water supply connector 110 of setting and water out adapter 111 may be coupled on the cooling system that automobile carries, so as to online
Can effectively it be radiated when being passed through alternating current in circle 103.
It is threadably secured in the top cover 107 and is connected to brake force applying mechanism 2, the brake force applying mechanism 2 wraps
Include displacement amplifier 202 and friction taper sleeve 205, the displacement amplifier 202 is lever displacement amplifier, displacement amplifier 202
With multigroup and be uniformly distributed along the circumference, the displacement initial end of displacement amplifier 202 is fixed on a top being threadedly coupled with top cover 107
On bell and spigot joint 201, displacement end is fixedly connected with friction taper sleeve 205, and each fix bar in centre of displacement amplifier 202 is fixed on vapour
On the support of chassis.
The load carrier 3 be in umbrella shape, by a sleeve pipe 301 and positioned at the end of sleeve pipe 301 and with the one of sleeve pipe 301 into
The friction cone core 302 of type forms, and the friction cone core 302 has the inner chamber beneficial to radiating, is provided between inner chamber and sleeve pipe 301
Reinforcement;Described sleeve pipe 301 passes through the semiaxis 4, and the keyway 303 and axial symmetry cloth of axial symmetry arrangement are provided with sleeve pipe 301
The lock pin aperture 304 put, described sleeve pipe 301 and semiaxis 4 carry out radial constraint by key connection, and are fixedly connected by pin
Carry out axial constraint.
The friction cone core 302 is coaxially distributed with the friction taper sleeve 205, the outside conical surface and the friction of the cone core 302 that rubs
Down suction distance between the inner side conical surface of tapered sleeve 205, it is 0.2-2mm during inoperative;During operation, due to braking
The output Braking in power source 1, friction taper sleeve 205 move in the axial direction, and are contacted with friction cone core 302 and apply pressure, rubbed
Wiping power makes friction cone core 302 and semiaxis 4 be slowed down.
The course of work of the present invention:
A kind of automotive safety BAS of the present invention in the course of the work, after coil 103 obtains electric current, produces one
The transient magnetic field of axial direction, ultra-magnetic telescopic pipe rod 101 are proceeded by high frequency by the effect of alternating magnetic field and stretched, when elongation,
Elongation is displaced through displacement amplifier transmission, friction taper sleeve 205 is adjacent to friction cone core 302, produces braking effect;Constantly stretch
Contracting, friction taper sleeve 205 and defective steering stabilizer accident caused by the friction locking of cone core 302 can also be avoided.
Embodiment two,
On the basis of above-mentioned technical proposal, further, the starting switch includes starting detecting system and starting touching
Hair system;The detecting system that starts includes the displacement transducer for detecting brake pedal movement range and detected for passing through
Half rotating speed is so as to detecting the velocity sensor of speed;The startup triggering system is opened including PLC, relay and button
Close;Institute's displacement sensors are arranged on the car body on rear side of brake pedal, and the velocity sensor includes being fixed on semiaxis
Test the speed subdivision gear and the probe positioned at subdivision gear side of testing the speed, and the gap width of the probe and the subdivision gear that tests the speed is 0.5-
1.5mm;The velocity sensor and displacement transducer are connected in PLC by wire respectively;In the PLC
Integrally disposed to have timer, the control circuit of the relay is connected in PLC, and the forceful electric power circuit access of relay is opened
Forceful electric power loop where dynamic switch;The forceful electric power lines in parallel of the button switch and relay is linked into strong where starting switch
In electrical circuit.
After brake pedal is stepped on, displacement transducer detects brake pedal action signal, passes the signal along to PLC controls
Device processed, PLC start timer and velocity sensor simultaneously, and velocity sensor collection is when the rotating speed of half front axle 4, PLC controls
Device processed is preserved when half front axle rotating speed and setting time threshold values, and after reaching threshold time, PLC gathers velocity sensor
4 real-time velocity of rotation of semiaxis is compared with half rotating speed preserved, if difference is less than threshold values, PLC starts relay
Device, realize that the startup of automotive safety BAS excites;Button switch can also be directly pressed, realizes that automotive safety is braked
The startup of accessory system excites.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (6)
1. a kind of automotive safety BAS, including the BAS being made up of trigger element and execution unit, with
And the semiaxis being connected on automobile chassis and with wheel, it is characterised in that:The trigger element includes wire connection successively
AC power, transformer, flow straightener and starting switch;The execution unit includes:Brake force source, the brake force source with it is described
Starting switch wire connects;Brake force applying mechanism, the brake force applying mechanism are located at the output end in the brake force source;Hold
Mounted mechanism, the load carrier is located on the semiaxis, and the load carrier is also close with the brake force applying mechanism
And leave gap.
2. automotive safety BAS as claimed in claim 1, it is characterised in that:The brake force source includes a band
There is a ultra-magnetic telescopic pipe rod of through hole, be set with a coil rack outside the ultra-magnetic telescopic pipe rod, on the coil rack
Multiturn coil is wound with, two lead ends of coil respectively connected the starting switch and AC power, coil rack overcoat
The skeleton shell of through hole is provided with equipped with a both ends, a containment vessel, the containment vessel inwall are set with the skeleton shell
On be provided with the spiral water route of Cooling Water circulation, be provided with water supply connector and water out adapter, skeleton shell on containment vessel outer wall
Outside both ends are tightly connected by sealing ring and the containment vessel;Ultra-magnetic telescopic pipe nose in coil rack is set
There is gasket ring, gasket ring front end is additionally provided with the top cover being similarly positioned in skeleton shell, top cover and the end cap inner side of skeleton case nose
Between be provided with jump ring.
3. automotive safety BAS as claimed in claim 2, it is characterised in that:It is threadably secured in the top cover
Brake force applying mechanism is connected to, the brake force applying mechanism includes displacement amplifier and friction taper sleeve, the displacement equations
Device is lever displacement amplifier, and displacement amplifier has multigroup and is uniformly distributed along the circumference, and the initial end of displacement amplifier is fixed on institute
State in top cover, end is fixedly connected with friction taper sleeve, and each fix bar in centre of displacement amplifier is fixed on the support of automobile chassis
On.
4. automotive safety BAS as claimed in claim 1, it is characterised in that:The load carrier be in umbrella shape,
Formed by a sleeve pipe and positioned at cannula tip and with the integrally formed friction cone core of sleeve pipe, the friction cone core, which has, to be beneficial to dissipate
The inner chamber of heat, is provided with reinforcement between inner chamber and sleeve pipe;Described sleeve pipe passes through the semiaxis, and axial symmetry cloth is provided with sleeve pipe
The lock pin aperture for keyway and the axial symmetry arrangement put, described sleeve pipe and semiaxis carry out radial constraint by key connection, and pass through
Pin is fixedly connected with carry out axial constraint.
5. the automotive safety BAS as described in claim 3 or 4, it is characterised in that:It is described friction cone core with it is described
Friction taper sleeve is coaxially distributed, the down suction distance between the outside conical surface for the cone core that rubs and the inner side conical surface of friction taper sleeve,
It is 0.2-2mm during inoperative.
6. automotive safety BAS as claimed in claim 1, it is characterised in that:The starting switch, which includes starting, to be examined
Examining system and startup triggering system;The detecting system that starts includes being used for the displacement transducer for detecting brake pedal movement range
With for by detecting half rotating speed so as to detecting the velocity sensor of speed;The startup triggering system include PLC,
Relay and button switch;Institute's displacement sensors are arranged on the car body on rear side of brake pedal, and the velocity sensor includes
Test the speed subdivision gear and the probe positioned at subdivision gear side of testing the speed being fixed on semiaxis, the probe and the subdivision gear that tests the speed
Gap width be 0.5-1.5mm;The velocity sensor and displacement transducer are connected in PLC by wire respectively;
Integrally disposed in the PLC to have timer, the control circuit of the relay is connected in PLC, relay
Forceful electric power circuit access starting switch where forceful electric power loop;The forceful electric power lines in parallel of the button switch and relay is linked into
In forceful electric power loop where starting switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710492637.0A CN107499291A (en) | 2017-06-26 | 2017-06-26 | A kind of automotive safety BAS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710492637.0A CN107499291A (en) | 2017-06-26 | 2017-06-26 | A kind of automotive safety BAS |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107499291A true CN107499291A (en) | 2017-12-22 |
Family
ID=60679003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710492637.0A Pending CN107499291A (en) | 2017-06-26 | 2017-06-26 | A kind of automotive safety BAS |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107499291A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113135170A (en) * | 2020-01-17 | 2021-07-20 | 扬州五环龙电动车有限公司 | Automobile line control brake system |
CN114954387A (en) * | 2022-04-25 | 2022-08-30 | 南昌工程学院 | Intelligent automobile chassis control system based on unmanned technology |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012009149A1 (en) * | 2011-05-12 | 2012-11-15 | Liebherr-Aerospace Lindenberg Gmbh | Bidirectional operable rotational lock for tie rod of braking system to actuate horizontal tail units of airplane, has mechanical device connected with mass so that device is movable along axial direction when applying torque |
CN202783156U (en) * | 2012-09-10 | 2013-03-13 | 西安理工大学 | Brake device for motor lorry |
CN106564479A (en) * | 2016-10-26 | 2017-04-19 | 湖南中联重科车桥有限公司 | Driving axle and vehicle |
CN106594115A (en) * | 2016-12-29 | 2017-04-26 | 合肥工业大学 | Driven-by-wire brake acting through motor in combination with magnetostriction |
-
2017
- 2017-06-26 CN CN201710492637.0A patent/CN107499291A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012009149A1 (en) * | 2011-05-12 | 2012-11-15 | Liebherr-Aerospace Lindenberg Gmbh | Bidirectional operable rotational lock for tie rod of braking system to actuate horizontal tail units of airplane, has mechanical device connected with mass so that device is movable along axial direction when applying torque |
CN202783156U (en) * | 2012-09-10 | 2013-03-13 | 西安理工大学 | Brake device for motor lorry |
CN106564479A (en) * | 2016-10-26 | 2017-04-19 | 湖南中联重科车桥有限公司 | Driving axle and vehicle |
CN106594115A (en) * | 2016-12-29 | 2017-04-26 | 合肥工业大学 | Driven-by-wire brake acting through motor in combination with magnetostriction |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113135170A (en) * | 2020-01-17 | 2021-07-20 | 扬州五环龙电动车有限公司 | Automobile line control brake system |
CN114954387A (en) * | 2022-04-25 | 2022-08-30 | 南昌工程学院 | Intelligent automobile chassis control system based on unmanned technology |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107499291A (en) | A kind of automotive safety BAS | |
US4896753A (en) | Bicycle brake | |
CN206114291U (en) | Transaxle break -in testing arrangement | |
CN107782737A (en) | A kind of cable molding detection device | |
GB1292816A (en) | Apparatus for determining the load on a wheel axle in a vehicle | |
CN207457449U (en) | A kind of test platform electricity consumption owner's shaft clamping device | |
CN205991888U (en) | A kind of brakes performance test apparatus based on LabVIEW | |
GB963047A (en) | Improvements in or relating to mobile washing and spin-drying machines | |
CN204649443U (en) | A kind of parking pedal detects frock | |
CN211812770U (en) | Large-wire-diameter wire passing protection device | |
CN206716196U (en) | A kind of tail sand recycling machine | |
CN105217507B (en) | A kind of embedded manual friction stopping device of folding wedge disk | |
CN207859433U (en) | Tightly packaged fiber extruding production line | |
CN110155807A (en) | A kind of cable winding device | |
CN203365151U (en) | A wheel speed signal dividing-taking apparatus and a vehicle performance detection system | |
CN110666068A (en) | Bender protector | |
CN207536184U (en) | A kind of automation is around formula film packet paper-covered copper conductor device | |
CN106505770B (en) | A kind of retaining ring structure of ultrahigh speed asynchronous machine | |
CN219277463U (en) | Novel drum type MGU oil-electricity hybrid transmission structure | |
CN207758865U (en) | A kind of competing product vehicle experiment is shrouded with ectosphere | |
CN203232083U (en) | High-voltage sound and light electroscope | |
CN218301502U (en) | Image sensing apparatus | |
CN206704382U (en) | A kind of new type electric bicycle | |
JPS5646442A (en) | Tire tester for measurement of rolling resistance | |
CN201041526Y (en) | A rotation axis for impact tester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Tao Wenlong Inventor after: Zheng Qi Inventor before: Tao Wenlong |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |