CN107364453B - A kind of assembly method of driving wheel and wheel of driving a vehicle - Google Patents
A kind of assembly method of driving wheel and wheel of driving a vehicle Download PDFInfo
- Publication number
- CN107364453B CN107364453B CN201710549313.6A CN201710549313A CN107364453B CN 107364453 B CN107364453 B CN 107364453B CN 201710549313 A CN201710549313 A CN 201710549313A CN 107364453 B CN107364453 B CN 107364453B
- Authority
- CN
- China
- Prior art keywords
- clamping
- driving wheel
- locking member
- sleeve
- clamping head
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
Abstract
The present invention relates to running gear technical fields, a kind of assembly method for wheel of taking turns and drive a vehicle more particularly to driving.The driving wheel includes driving wheel, insulation sleeve and the clamp system for clamping transmission shaft, the clamp system and insulation sleeve are mounted on driving wheel, and clamp system and driving wheel is set to insulate by insulation sleeve, the clamp system includes clamping head and gripping sleeve, clamping head from the side of insulation sleeve protrude into axial grip insulation sleeve with the gripping sleeve of the insulation sleeve other side, and clamping head and gripping sleeve cooperation radial contraction clamp transmission shaft.The beneficial effects of the present invention are: clamping transmission shaft by clamp system, transmission shaft is not easy to loosen, stable transmission, and setting insulation sleeve plays the role of good lightning protection, and driving wheel is wear-resistant, long service life.
Description
Technical field
The present invention relates to running gear technical fields, a kind of assembly method for wheel of taking turns and drive a vehicle more particularly to driving.
Background technique
Currently, install automatic travelling device on steel wire cableway with very extensive, such as used in the outdoor environment
Hydrographic survey equipment, be substantially by driving wheel on running gear and the cooperation of steel wire cableway allow running gear along
Steel wire cableway moves back and forth realization hydrologic monitoring.Since driving wheel and power mechanism are driven axis connection, row is provided by transmission shaft
The operation power of wheel, and tradition driving wheel and transmission shaft are directly locked by screw, are easy to loosen.And driving takes turns and steel wire
Cableway is directly exposed to outdoor again, and the driving wheel of traditional steel and iron manufacturing is subject to be struck by lightning in thundery sky, and some drivings
Wheel is made of plastic to realize that lightning protection is adopted, but wheel of driving a vehicle can be contacted in walking process with steel wire cableway, plastics driving wheel pole
Easy to wear, temperature tolerance, durability are poor, and service life is short, at high cost.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of driving wheel and the dresses of driving wheel
Method of completing the square, for solve prior art middle rolling car wheel and transmission axis connection easily loosens, transmission stability it is poor, driving take turns can not insulate
Lightning protection, it is easy to wear, service life is short the problems such as.
In order to achieve the above objects and other related objects, the present invention provides a kind of driving wheel, including driving wheel, insulation sleeve and
For clamping the clamp system of transmission shaft, the clamp system and insulation sleeve are mounted on driving wheel, and make to press from both sides by insulation sleeve
Tight mechanism and driving wheel insulation, the clamp system include clamping head and gripping sleeve, clamping head by the side of insulation sleeve protrude into
The gripping sleeve of the insulation sleeve other side cooperates axial grip insulation sleeve, and clamping head and gripping sleeve cooperation radial contraction clamp transmission
Axis.
The beneficial effects of the present invention are: clamping transmission shaft by clamp system, transmission shaft is not easy to loosen, stable transmission, if
It sets insulation sleeve and plays the role of good lightning protection, driving wheel is wear-resistant, long service life.
Further, one end of the clamping head is equipped with multiple clamping lobes, and multiple clamping lobes are circumferentially arranged along clamping head, and phase
The adjustment gap of adjustment clamping degree is equipped between adjacent two clamping lobes.
Further, clamping ring is arranged in the clamping head, the clamping ring squeezes clamping lobe radial contraction and clamps transmission
Axis.
Further, the inner wall of the clamping ring is tapered surface, and the outside wall surface of the clamping lobe is and clamping ring inner wall
The tapered surface of cooperation.
Further, the gripping sleeve is axially arranged with the first locking member along it, and first locking member pushes clamping ring along folder
The clamping degree of the tapered surface slidable adjustment clamping lobe of tight valve.
Beneficial effect using above-mentioned further scheme is: structure is simple, locking operation is simple and convenient, between all parts
Cooperation is stablized, and plays good clamping effect to transmission shaft, transmission shaft is less prone to loosening, and use is more reliable, service life
It is long.
Further, the clamping head, insulation sleeve and gripping sleeve by with the first locking member third locking member disposed in parallel
Connection locking, the third locking member and the first locking member apply the coupling mechanism force of opposite direction to clamping head, form two on the contrary
The coupling mechanism force in direction is realized and is mutually restricted, and loosening is less prone to.
Further, the gripping sleeve is equipped with the second locking member along its circumferential direction, and second locking member protrudes into gripping sleeve
The transmission shaft in gripping sleeve is withstood, realizes that dual clamping is locking, transmission shaft is not easy to loosen.
Further, the insulation sleeve is fabricated by polyformaldehyde material, and the clamping head and gripping sleeve are by 304 stainless steels
Material is fabricated, and the driving wheel is fabricated by 45# Steel material, ensure that the wear-resisting property of driving wheel, while being realized again
The lightning protection properties of driving wheel, substantially prolong the service life of driving wheel.
A kind of assembly method of such as above-mentioned driving wheel, includes the following steps
1) insulation sleeve is mounted in driving wheel, and is fixedly connected with driving wheel by the 4th locking member integral；
2) clamping head is set on transmission shaft, clamping head and transmission shaft pass through insulation sleeve, and pre- upper second locking together
Part realizes contraposition；
3) clamping ring is set in clamping head, is loaded on gripping sleeve, and by third locking member sequentially pass through gripping sleeve,
Insulation sleeve realizes being fixedly connected for three with clamping head；
4) the first locking member is protruded into gripping sleeve and holds out against clamping ring, the first locking member squeezes clamping head diameter by clamping ring
Transmission shaft is clamped to shrinking, and keeps clamped condition；
5) the second locking member is held out against into transmission shaft, and keeps holding out against state, complete the assembly of driving wheel.
Further, anaerobic adhesive is equipped at the locking after the 4th locking member and second locking member are locked.
The beneficial effects of the present invention are: assembly manipulation is simply coherent, first lock third locking member make clamping head, insulation sleeve and
Gripping sleeve axial restraint is motionless, then locks the first locking member and make the radially contracted clamping transmission shaft of clamping head, and transmission shaft is not easy pine
It is dynamic, and transmission shaft can not only be further clamped by the way that the first locking member is arranged, and after the first locking member of setting, the first lock
Tight part is applied with one with third locking member to the contrary power of clamping head applied force, so that third locking member is not to clamping head
It easily loosens, so that being connected between driving wheel all parts more stable.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the embodiment of the present invention；
Fig. 2 is the detonation configuration side view of the embodiment of the present invention；
Fig. 3 is the main view of the embodiment of the present invention；
Fig. 4 is the cross-sectional view of A-A in Fig. 3 of the present invention；
Fig. 5 is the enlarged diagram of part B in Fig. 4 of the present invention.
Piece mark explanation
1 driving wheel；
11 first ladder mounting holes；
21 clamping heads；
211 clamping lobes；
212 adjustment gaps；
22 gripping sleeves；
23 clamping rings；
3 insulation sleeves；
31 second ladder mounting holes；
41 first locking members；
42 second locking members；
43 third locking members；
44 the 4th locking members.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be noted that cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Before the embodiment of the present invention is described in detail, first application environment of the invention is described.The present invention
Technology mainly be applied to hydrologic monitoring equipment, be especially applied to the driving wheel of hydrologic monitoring equipment.The present invention is to solve
It is easily loosened between the transmission shaft of the power-equipment of driving wheel and offer walking power, wheel of driving a vehicle is exposed to outdoor thunderstorm weather and is easy
The problems such as by lightning stroke.
As shown in Figures 1 to 4, driving wheel of the invention, including driving wheel 1, insulation sleeve 3 and folder for clamping transmission shaft
Tight mechanism, clamp system and insulation sleeve 3 are installed on driving wheel 1, and avoid clamp system and driving wheel by insulation sleeve 3
It directly contacts, to realize insulation, plays the role of lightning protection.Transmission shaft passes through clamp system, and is clamped by clamp system
Transmission shaft, so that rotation axis rotation drives driving wheel 1 and clamp system to rotate together.Insulation sleeve 3 is fixed in driving wheel 1, absolutely
Edge set 3 is fixedly mounted in driving wheel 1 by the 4th locking member 44, and clamp system includes clamping head 21 and gripping sleeve 22, is clamped
First 21 and gripping sleeve 22 be located at the two sides of insulation sleeve 3, clamping head 21 is protruded into another with insulation sleeve 3 by the side of insulation sleeve 3
The gripping sleeve 22 of side cooperates along axial grip insulation sleeve 3, and is locked by third locking member 43, realizes clamping head 21, folder
Fixed 22,3 three of insulation sleeve is fixedly connected.Insulation sleeve 3 is fabricated by polyformaldehyde material, 21 He of clamping head of clamp system
Gripping sleeve 22 is fabricated by 304 stainless steel materials, and driving wheel 1 is fabricated by 45# Steel material, clamping head 21 and gripping sleeve
22 are mounted in driving wheel 1 by the realization of insulation sleeve 3, and insulation sleeve 3 can not only insulate, and with clamping head 21, gripping sleeve 22, main
Contact area is big, difficult to slide between driving wheel 1, and contact is stablized, and is conducive to improve the stability connected between component, different components
The abrasion resistance, heat resistance that driving wheel is improved using suitable material manufacture, extends the service life of driving wheel.
As shown in Figures 1 to 4, clamping head 21, gripping sleeve 22, insulation sleeve 3 and driving wheel 1 are arranged concentrically, and transmission shaft is worn
The center of space wheel, and clamped by clamp system.Wherein, driving wheel 1 is equipped with the first ladder mounting hole 11, insulation sleeve
3 and 11 shape of the first ladder mounting hole cooperate, insulation sleeve 3 is mounted in the first ladder mounting hole 11 and by the 4th locking member 44
It is fixed, the end face at 3 both ends of insulation sleeve and the end face at 1 both ends of driving wheel.Insulation sleeve 3 is equipped with for installing gripping sleeve 22
Second ladder mounting hole 31 and third ladder mounting hole for installing clamping head 21, the outer end face of 21 bigger diameter end of clamping head and master
The end face of 1 one end of driving wheel, the end face of 1 other end of outer end face and driving wheel of 22 bigger diameter end of gripping sleeve, body structure surface
Smooth clean and tidy, assembly fastening is not easy to collide with.Pacified by the first ladder mounting hole 11, the second ladder mounting hole 31 and third ladder
The installation that insulation sleeve 3, clamp system are realized in hole is filled, installation positioning operation is simple and convenient, is connected firmly, is not easy between all parts
It shakes, is conducive to improve stability when operation.
As shown in Figures 1 to 5, clamping head 21 from the side of driving wheel 1 pass through insulation sleeve 3 after with gripping sleeve 22 along diameter
Transmission shaft is clamped to shrinking.One end of clamping head 21 is equipped with multiple clamping lobes 211, and multiple clamping lobes 211 are circumferential along clamping head 21
Setting, and the adjustment gap 212 of adjustment clamping degree is equipped between two neighboring clamping lobe 211, by force so that between adjustment
The size of gap 212 changes, to change the clamping degree of transmission shaft.It is circumferentially distributed in the present invention to have 6 clamping lobes, specific number
Amount can be arranged according to demand.Clamping lobe 211 and clamping head 21 are an overall structures, can be fabricated by integrated molding.
It is arranged with clamping ring 23 in clamping head 21 to be fabricated by 304 stainless steel materials, clamping ring 23 squeezes 21 radial contraction of clamping lobe
Clamp transmission shaft.Wherein, the inner wall of clamping ring 23 is tapered surface, and the outside wall surface of clamping lobe 211 is also and 23 inner wall of clamping ring
The tapered surface of face cooperation, is cooperated using tapered surface structure, and clamping ring 23 is pushed to be moved along tapered surface so that clamping lobe 211 is in radial direction
Upper Stepwize Shrink, to clamp transmission shaft.The mounting groove cooperated with clamping ring 23 is equipped in gripping sleeve 22,23 inner wall of clamping ring
The tapered surface of 211 outer wall of tapered surface and clamping lobe is bonded, by pushing the axial movement of gripping sleeve 22 to compress clamping ring 23.
As shown in Figures 1 to 5, gripping sleeve 22 is axially arranged with the first locking member 41 along it, and the first locking member 41, which pushes, to be clamped
Ring 23 is slided along the tapered surface of clamping lobe 211 so that 211 radial contraction of clamping lobe, and to clamp by the first locking member 41
Valve 211 keeps clamped condition under the action of clamping ring 23, and the first locking member 41 and gripping sleeve 22 are interference fitted.Clamping head 21,
Insulation sleeve 3 and gripping sleeve 22 are by connecting locking, third locking member with the third locking member 43 disposed in parallel of the first locking member 41
43 and first locking member 41 to clamping head 21 apply opposite direction coupling mechanism force.When third locking member 43 is locked, can will lock
First 21 and lock sleeve 22 it is close to insulation sleeve 3, i.e., locking head 21 is by the coupling mechanism force towards 22 direction of lock sleeve, lock sleeve 22
By the power towards 21 direction of locking head, and the first locking member 41 generates the locking backwards to 22 direction of lock sleeve to locking head 21
Power, i.e. locking head 21 in the first locking member 41 and coupling mechanism force opposite by both direction under the action of third locking member 43, from
And make locking head 21 that balance be kept to be not easy to loosen, so that transmission shaft is stabilized clamping.Gripping sleeve 22 is along its circumferential ring
Equipped with locking member mounting hole, locking member mounting hole is connected to inside gripping sleeve 22 for installing the centre bore of transmission shaft.Locking member
Mounting hole is equipped with the second locking member 42, and the second locking member 42 is protruded into gripping sleeve 22 by locking member mounting hole withstands gripping sleeve
Interior transmission shaft, to realize holding out against for transmission shaft.In the present invention, the first locking member 41, the second locking member 42, third locking
Part 43 and the 4th locking member 44 can use jackscrew or screw, and standard component structure is simple, and assembly manipulation is convenient.
The assembly method of above-mentioned driving wheel the following steps are included:
1) insulation sleeve 3 is mounted in driving wheel 1, and insulation sleeve 3 and driving wheel 1 is fixed by the 4th locking member 44 and connected
It is connected into entirety, and beats anaerobic adhesive at the locking after the locking of the 4th locking member 44, improves locking fastness；
2) clamping head 21 is set on transmission shaft, clamping head 21 and transmission shaft pass through insulation sleeve 3 together, and it is pre- it is upper (i.e.
Load onto the second locking member but do not lock) the realization contraposition of the second locking member 42, pacified between two parties by 42 attachment driving shaft of the second locking member
Installing is set, and is conducive to avoid transmission shaft eccentrically mounted, improves assembly precision；
3) clamping ring 23 is set in clamping head 21, is loaded on gripping sleeve 22, and successively wear by third locking member 43
It crosses gripping sleeve 22, insulation sleeve 3 and realizes being fixedly connected for three with clamping head 21；
4) the first locking member 41 is protruded into gripping sleeve 22 and holds out against clamping ring 23, the first locking member 41 is squeezed by clamping ring 23
It presses 21 radial contraction of clamping head to clamp transmission shaft, and keeps clamped condition；
5) transmission shaft is withstood into the locking of the second locking member 42, holding holds out against state, and after the locking of the second locking member 42
Anaerobic adhesive is beaten at locking, is improved locking fastness, is completed the assembly of driving wheel.
First locking third locking member 43 locks the first locking member 41 again and makes clamping head 21, gripping sleeve 22 and insulation sleeve 3 first
Firm setting is conducive to postorder and makes 21 radial contraction of clamping head clamp transmission shaft by the first locking member 41, turns with operation letter
Just, if first locking the first locking member 41, clamping head 21, gripping sleeve 22 are easy to appear shaking to folk prescription in assembling process, influence to assemble
Effect.After the assembly is completed, under the action of the first locking member 41, third locking member 43 is more firmly mounted, and is not easy to loosen, and is improved
Locking effect.
The present invention is designed by the structure of advantages of simple so that driving wheel has insulation lightning protection effect, makes transmission shaft and row
It is not easy to loosen between wheel, improves the stability of transmission operation, while extending the service life of driving wheel.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of driving wheel, it is characterised in that: described including driving wheel, insulation sleeve and clamp system for clamping transmission shaft
Clamp system and insulation sleeve are mounted on driving wheel, and so that clamp system and driving wheel is insulated by insulation sleeve, the clamping machine
Structure includes clamping head and gripping sleeve, and clamping head is protruded into from the side of insulation sleeve and pressed from both sides with axial with the gripping sleeve of the insulation sleeve other side
Tight insulation sleeve, and clamping head and gripping sleeve cooperation radial contraction clamp transmission shaft；One end of the clamping head is equipped with multiple clampings
Valve, multiple clamping lobes are circumferentially arranged along clamping head, and the adjustment gap of adjustment clamping degree is equipped between two neighboring clamping lobe；
The gripping sleeve is equipped with the second locking member along its circumferential direction, and second locking member protrudes into gripping sleeve the biography withstood in gripping sleeve
Moving axis.
2. a kind of driving wheel according to claim 1, it is characterised in that: clamping ring is arranged in the clamping head, it is described
Clamping ring squeezes clamping lobe radial contraction and clamps transmission shaft.
3. a kind of driving wheel according to claim 2, it is characterised in that: the inner wall of the clamping ring is tapered surface, institute
The outside wall surface for stating clamping lobe is the tapered surface cooperated with clamping ring inner wall.
4. a kind of driving wheel according to claim 3, it is characterised in that: the gripping sleeve is axially arranged with the first locking along it
Part, first locking member push the clamping degree of tapered surface slidable adjustment clamping lobe of the clamping ring along clamping lobe.
5. a kind of driving wheel according to claim 4, it is characterised in that: the clamping head, insulation sleeve and gripping sleeve pass through
It is connect locking with the first locking member third locking member disposed in parallel, the third locking member and the first locking member apply clamping head
Add the coupling mechanism force of opposite direction.
6. a kind of driving wheel according to claim 1, it is characterised in that: the insulation sleeve manufactured by polyformaldehyde material and
At the clamping head and gripping sleeve are fabricated by 304 stainless steel materials, and the driving wheel is fabricated by 45# Steel material.
7. a kind of assembly method for wheel of driving a vehicle as described in any one of claim 1 to 6, it is characterised in that: include the following steps,
1) insulation sleeve is mounted in driving wheel, and is fixedly connected with driving wheel by the 4th locking member integral；
2) clamping head is set on transmission shaft, clamping head and transmission shaft pass through insulation sleeve together, and pre- upper second locking member is real
Now align；
3) clamping ring is set in clamping head, is loaded on gripping sleeve, and gripping sleeve, insulation are sequentially passed through by third locking member
It covers and realizes being fixedly connected for three with clamping head；
4) the first locking member is protruded into gripping sleeve and holds out against clamping ring, the first locking member squeezes clamping head by clamping ring and radially receives
Contracting clamps transmission shaft, and keeps clamped condition；
5) the second locking member is held out against into transmission shaft, and keeps holding out against state, complete the assembly of driving wheel.
8. a kind of assembly method of driving wheel according to claim 7, it is characterised in that: the 4th locking member and described
Anaerobic adhesive is equipped at locking after the locking of second locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549313.6A CN107364453B (en) | 2017-07-07 | 2017-07-07 | A kind of assembly method of driving wheel and wheel of driving a vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549313.6A CN107364453B (en) | 2017-07-07 | 2017-07-07 | A kind of assembly method of driving wheel and wheel of driving a vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107364453A CN107364453A (en) | 2017-11-21 |
| CN107364453B true CN107364453B (en) | 2019-03-15 |
Family
ID=60306059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710549313.6A Active CN107364453B (en) | 2017-07-07 | 2017-07-07 | A kind of assembly method of driving wheel and wheel of driving a vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107364453B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT366967B (en) * | 1980-08-11 | 1982-05-25 | Elin Union Ag | ROPE REEL ARRANGEMENT FOR THE DRIVE OF SELF-VEHICLE RENDING ROPE VEHICLES |
| US4818041A (en) * | 1988-04-04 | 1989-04-04 | Caterpillar Inc. | Idler wheel assembly for track-type vehicle |
| US6913322B1 (en) * | 2000-03-09 | 2005-07-05 | Lacks Industries, Inc. | Lug nut retention system for a chrome-plated wheel cover |
| DE202007000850U1 (en) * | 2007-01-15 | 2007-05-10 | Wen, Yuan-Hung, Ho Mei | Dynamo for use in bicycle, has outer cover, which is formed fixedly, covering rotating disc in form fit manner, and encases magnets, rings, winding set and bearing and gripped in rings in form-fit manner to prevent rotation of winding set |
| US7905559B2 (en) * | 2008-12-10 | 2011-03-15 | Caterpillar Inc | Isolated center tread rim idler wheel |
| CN205345273U (en) * | 2015-12-24 | 2016-06-29 | 上海德瑞斯华海船用设备有限公司 | Hatch board walking roller device reaches hatch board including it |
| CN206926635U (en) * | 2017-07-07 | 2018-01-26 | 重庆美科华仪科技有限公司 | One kind driving wheel |
-
2017
- 2017-07-07 CN CN201710549313.6A patent/CN107364453B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107364453A (en) | 2017-11-21 |
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