CN203126959U - Crawler - Google Patents
Crawler Download PDFInfo
- Publication number
- CN203126959U CN203126959U CN 201320127074 CN201320127074U CN203126959U CN 203126959 U CN203126959 U CN 203126959U CN 201320127074 CN201320127074 CN 201320127074 CN 201320127074 U CN201320127074 U CN 201320127074U CN 203126959 U CN203126959 U CN 203126959U
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- moving plate
- transmission shaft
- driven
- actuating spindle
- described moving
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Abstract
The utility model relates to the vehicle filed, in particular to a crawler which is good in cross-country performance and applicable to various complicated pavements. The crawler comprises an engine, a crawler belt, a crawler wheel group, a chassis and a steering mechanism, wherein a first transmission shaft is mounted on the chassis; the steering mechanism comprises a movable disk, a movable disk control arm, two fixed disks, two driven belt disks and two first belts; the fixed disks and the movable disk are arranged on the first transmission shaft, and the two fixed disks are located on two sides of the movable disk; a connecting component is arranged between the movable disk and the first transmission shaft; the movable disk control arm is connected with the movable disk through a connecting piece; circular-truncated-cone-shaped bulges are arranged on opposite sides of the movable disk and the fixed disks; a second transmission shaft is fixed on the chassis; the two driven belt disks are connected to the second transmission shaft and comprise a first driven belt disk and a second driven belt disk, wherein circular-truncated-cone-shaped bulges are arranged on opposite sides of the first driven belt disk and the second driven belt disk; each first belt is arranged between each fixed disk and the movable disk and between the first driven belt disk and the second driven belt disk; and each driven belt disk drives the crawler wheel group to rotate.
Description
Technical field
The utility model relates to vehicular field, in particular to crawler vehicle.
Background technology
Cross-country car has extremely strong off-road capability, can both walk in the difficult to move even one step harsh and unforgiving environments of multiple wheel.Existing cross-country car adopts wheeled construction substantially, and the wheel of cross-country car all adopts inflatable tire, and tire is that point contacts with ground like this, and earth-grasping force is poor, is prone to the tyre slip phenomenon at complex road surfaces such as snowfield, marshy areas, thereby influences the performance of cross-country car.
The utility model content
The purpose of this utility model is to provide a kind of crawler vehicle, to solve the above problems.
In embodiment of the present utility model, provide
A kind of crawler vehicle comprises: driving engine, crawler belt, be used for driving crawler belt wheels, underframe and the steering hardware that described crawler belt rotates;
Described underframe is provided with can be by described engine-driven first transmission shaft, and described first transmission shaft is horizontally disposed with;
Described steering hardware comprises Moving plate, Moving plate Control arm, two price fixings, two driven tep reels and two first belts;
Described price fixing and described Moving plate be coaxial being arranged on described first transmission shaft all; And two described price fixings are positioned at the both sides of described Moving plate;
Be provided with between described Moving plate and described first transmission shaft be used to the transom that makes described Moving plate rotate and can move along the axis of described first transmission shaft with described first transmission shaft;
Described Moving plate Control arm is connected with described Moving plate by attaching parts and described Moving plate is moved along the axis of described first transmission shaft;
Described price fixing is equipped with the truncated cone-shaped projection towards side and the described Moving plate of described Moving plate towards the side of described price fixing;
Second transmission shaft parallel with described first transmission shaft fixedly arranged on the described underframe; Two described driven tep reels are rotationally connected with on described second transmission shaft;
Described driven tep reel comprises the first driven tep reel and the second driven tep reel, and the described first driven tep reel is equipped with the truncated cone-shaped projection with the relative side of the described second driven tep reel;
Every described first belt is arranged between each described price fixing and the described Moving plate, and is arranged at respectively between the described first driven tep reel and the described second driven tep reel;
Described crawler belt and described crawler belt wheels are distributed in the both sides of described crawler vehicle symmetrically;
Each described driven tep reel is connected with described crawler belt wheels and drives this crawler belt wheels and rotates.
The crawler vehicle of the utility model above-described embodiment, during straight line moving, driving engine drives first transmission shaft by first belt and rotates, first transmission shaft drives price fixing and Moving plate rotates, and drive the driven tep reels of on second transmission shaft two respectively by two first belts between price fixing and the Moving plate and rotate, driven tep reel drives the crawler belt wheels again and rotates.When turning to, move by the axis direction of Moving plate Control arm drive Moving plate along first transmission shaft.Moving plate is during to a lateral movement, and first belt of this side is subjected to the squeese pressure of price fixing and Moving plate and contacts the driving surface radius to become big at first transmission shaft, diminishes with the driving surface radius that contacts of driven tep reel; First belt of opposite side diminishes with the driving surface radius that contacts of price fixing and Moving plate, becomes big with the driving surface radius that contacts of driven tep reel.The driven pulley rotating speed of this side is accelerated, and the driven pulley rotating speed of opposite side is slack-off, thereby the crawler belt wheels rotating speed of this side is accelerated, and the crawler belt wheels rotating speed of opposite side is slack-off, and crawler vehicle is just whole like this turns to towards opposite side.Such crawler vehicle is by crawler travel, and off-road capability is good, can adapt to various complex road surfaces.
Description of drawings
Fig. 1 shows the crawler vehicle driving system of the utility model embodiment and the structural representation of rotation system;
Fig. 2 shows the construction profile scheme drawing of the crawler vehicle of the utility model embodiment;
Fig. 3 shows the Moving plate of crawler vehicle of the utility model embodiment and the connection structure scheme drawing of first transmission shaft;
Fig. 4 shows pedal and the Moving plate Control arm connection structure scheme drawing of the crawler vehicle of the utility model embodiment.
Fig. 5 shows the driven tep reel structural representation of the crawler vehicle of the utility model embodiment.
The specific embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
The structural representation of the utility model embodiment such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5 comprise: driving engine 101, crawler belt 122, be used for driving crawler belt wheels 123, underframe 126 and the steering hardware 128 that described crawler belt 122 rotates.Underframe 126 be provided with can be launched first transmission shaft 110 that drives of machine 101, and first transmission shaft 110 is horizontally disposed with; Steering hardware 128 comprises Moving plate 106, Moving plate Control arm 114, two price fixings 105, two driven tep reels 119 and two first belts 115.Price fixing 105 and Moving plate 106 be coaxial being arranged on first transmission shaft 110 all, and two price fixings 105 are positioned at the both sides of Moving plate 106, are provided with between Moving plate 106 and first transmission shaft 110 be used to the transom 127 that makes Moving plate 106 rotate and can move along the axis of first transmission shaft 110 with first transmission shaft 110.Moving plate Control arm 114 is connected with Moving plate 106 by attaching parts 113 and Moving plate 106 is moved along the axis of first transmission shaft 110, and price fixing 105 is equipped with the truncated cone-shaped projection towards side and the Moving plate 106 of Moving plate 106 towards the side of price fixing 105.Fixedly there are second transmission shaft 116, two driven tep reels 119 parallel with first transmission shaft 110 to be rotationally connected with on second transmission shaft 116 on the underframe 126; Driven tep reel 119 comprises the first driven tep reel 143 and the second driven tep reel 144, and the first driven tep reel 143 is equipped with the truncated cone-shaped projection with the second driven tep reel, 144 relative sides; Every first belt 115 is arranged between each price fixing 105 and the Moving plate 106, and is arranged at respectively between the first driven tep reel 143 and the second driven tep reel 144; Crawler belt 122 and crawler belt wheels 123 are distributed in the both sides of crawler vehicle 133 symmetrically; Each driven tep reel 119 is connected with crawler belt wheels 123 and drives this crawler belt wheels 123 and rotates.The crawler vehicle 133 of present embodiment is when straight line moving, driving engine 101 drives first transmission shaft 110 by first belt 115 and rotates, first transmission shaft 110 drives price fixing 105 and Moving plate 106 rotates, and by driven tep reel 119 rotations on two first belts, 115 drives, second transmission shafts 116 between price fixing 105 and the Moving plate 106, driven tep reel 119 drives crawler belt wheels 123 again and rotates.When turning to, move by the axis direction of Moving plate Control arm 114 drive Moving plates 106 along first transmission shaft 110.Moving plate 106 is during to a lateral movement, and first belt 115 of this side is subjected to the squeese pressure of price fixing 105 and Moving plate 106 and contacts the driving surface radius to become big at first transmission shaft 110, diminishes with the driving surface radius that contacts of driven tep reel 119; The contact driving surface radius of first belt 115 of opposite side on first transmission shaft 110 diminishes, and becomes big with the driving surface radius that contacts of driven tep reel 119.Driven tep reel 119 rotating speeds of this side are accelerated, and driven tep reel 119 rotating speeds of opposite side are slack-off, thereby crawler belt wheels 123 rotating speeds of this side are accelerated, and crawler belt wheels 123 rotating speeds of opposite side are slack-off, and crawler vehicle 133 is just whole like this turns to towards opposite side.Such crawler vehicle 133 is by crawler belt 122 walkings, and off-road capability is good, can adapt to various complex road surfaces.
In the present embodiment, first belt 115 is industrial speed belt.
In the present embodiment, crawler belt wheels 123 comprise driving Athey wheel 117 and driven Athey wheel 130, and crawler belt 122 is around driving Athey wheel 117 and driven Athey wheel 130.Each driven tep reel 119 is all coaxial to be connected with a drive sprocket 108; Each drive sprocket 108 all drives a driven sprocket 120 by chain 103 and rotates; Each driven sprocket 120 drives with one that Athey wheel 117 is coaxial to be connected and to drive this drivings Athey wheel 117 rotations respectively.By the secondary transmission, the moment of torsion on the driving engine 101 is delivered on the driving Athey wheel 117 like this, rotates thereby drive crawler belt 122.
In the present embodiment, be connected with fixed mount 132 on the underframe 126, attaching parts 113 is arranged on the described fixed mount 132.Attaching parts 113 comprises Moving plate control piece 111, Moving plate actuating spindle 112, pull bar 131 and bearing 129.The side face of Moving plate actuating spindle 112 is provided with screw thread, and the two ends of Moving plate actuating spindle 112 are fixed on the fixed mount 132; End away from underframe 126 of Moving plate actuating spindle 112 is connected with Moving plate Control arm 114; The axis of Moving plate actuating spindle 112 is parallel with the axis of first transmission shaft 110; The center of Moving plate control piece 111 is provided with tapped bore 135, and tapped bore 135 and Moving plate actuating spindle 112 are by being threaded; Moving plate control piece 111 is captiveed joint with pull bar 131; Pull bar 131 is parallel with the axis of first transmission shaft 110; The outer ring of bearing 129 is connected with pull bar 131, and the inner ring of bearing 129 is enclosed within on the side face of described Moving plate 106.
In the present embodiment, when Moving plate Control arm 114 during along circumferentially the rotating to a side of described Moving plate actuating spindle 112: Moving plate Control arm 114 drives Moving plate actuating spindles 112 and rotates, Moving plate actuating spindle 112 when rotating, drive Moving plate control piece 111 along Moving plate actuating spindle 112 axially to a side shifting, Moving plate control piece 111 in mobile, drive pull bar 131 along Moving plate actuating spindle 112 axially to a side shifting, and then drive bearing 129 vertically to a side shifting, finally make bearing 129 drive Moving plates 106 along first transmission shaft 110 axially to a side shifting; When Moving plate Control arm 114 during along circumferentially the rotating to opposite side of Moving plate actuating spindle 112: Moving plate Control arm 114 drives Moving plate actuating spindles 112 and rotates to opposite side, Moving plate actuating spindle 112 drives Moving plate control piece 111 axially moving to opposite side along Moving plate actuating spindle 112 when rotating, Moving plate control piece 111 drives pull bar 131 axially moving to opposite side along Moving plate actuating spindle 112 in mobile, and then drive bearing 129 and move to opposite side vertically, finally make bearing 129 drive Moving plates 106 axially moving to opposite side along first transmission shaft 110.
In the present embodiment, transom 127 comprises the sleeve 138 that is arranged between Moving plate 106 and first transmission shaft 110.Sleeve 138 is connected by spline 137 with first transmission shaft 110; The outside face of sleeve 138 is provided with the axially extended groove 140 along sleeve 138, and the central hole of Moving plate 106 is provided with axially extended protruding 139 along Moving plate 106, and groove 140 and projection 139 are connected.When first transmission shaft 110 rotated, first transmission shaft 110 drove sleeve 138 and rotates like this, and sleeve 138 drives Moving plate 106 and rotates.When turning to, Moving plate 106 moves axially along the groove 140 of sleeve 138.
In the present embodiment, the top of underframe 126 is provided with pedal 125.Be provided with first spring 134 between pedal 125 and the underframe 126, and also be provided with the first end oscillating bearing 124 that distributes perpendicular to the center of symmetry on the axis direction of first transmission shaft 110 along pedal 125 between pedal 125 and the underframe 126.Moving plate Control arm 114 is provided with connecting bore 141 away from an end of Moving plate actuating spindle 112, is connected with connecting rod 145 on the pedal 125, and the two ends of connecting rod are connected with connecting bore 141 with pedal 125 by the second end oscillating bearing 136 respectively.
When rotating under the pedal 125 close side direction of Moving plate Control arm 114, pedal 125 is by 145 motions of the second end oscillating bearing, 136 drivening rods, connecting rod 145 drives connecting bore 141 by the second end oscillating bearing 136 and moves in motion, and then makes Moving plate Control arm 114 circumferentially rotating to a side along Moving plate actuating spindle 112; When rotating on the pedal 125 close side direction of Moving plate Control arm 114, pedal 125 is by 145 motions of the second end oscillating bearing, 136 drivening rods, connecting rod 145 drives connecting bore 141 by the second end oscillating bearing 136 in motion oppositely mobile, and then make Moving plate Control arm 114 circumferentially rotating to opposite side along Moving plate actuating spindle 112.By two second end oscillating bearings 136 are set, can make pedal 125 drive 114 motions of Moving plate Control arm better like this.
In the present embodiment, be connected with hand steered 121 on the underframe 126, hand steered for the people.Also be provided with oil door handle, electricity startup flameout switch etc. on hand steered 121.Two drive Athey wheel 117 and are provided with brake gear 109.
In the present embodiment, driven tep reel 119 is connected by bearing with second transmission shaft 116.Driven tep reel 119 is connected by the 3rd transmission shaft 146 with drive sprocket 108, and the dead in line of the axis of the 3rd transmission shaft 146 and second transmission shaft 116; Driven sprocket 120 is connected by the 4th transmission shaft 118 with driving Athey wheel 117, and the axis of the 4th transmission shaft 118 is parallel with the axis of second transmission shaft 116.The power of crawler vehicle 133 is transmitted more effectively.
In the present embodiment, be connected with the axis of second spring, 107, the second springs 107 and the dead in line of driven tep reel 119 on the driven tep reel 119.One end of second spring 107 is captiveed joint with the 3rd transmission shaft 146, and the other end of second spring 107 is connected with the second driven tep reel 144, as shown in Figure 5.The first driven tep reel 143 is captiveed joint with the 3rd transmission shaft 146, and the second driven tep reel 144 is moving reel, can move axially along the 3rd transmission shaft 146.The setting of second spring 107 is for the first driven tep reel 143 and the second driven tep reel 144 are stepped up when crawler vehicle 133 is kept straight on, and makes the second driven tep reel 144 finish back return rapidly turning to.Like this when turning to, two first belts 115 are all along axially the moving towards same direction of the 3rd transmission shaft 146, thereby drive two second driven tep reels 144 moving axially along the 3rd transmission shaft 146.
In the present embodiment, pull bar 131 can be preferably two for two, three or many in the present embodiment, and pull bar 131 is with respect to the axis symmetrical distribution of first transmission shaft 110.Moving plate control piece 111 is provided with 142, pull bars 131 of two through holes and captives joint with a through hole 142.
In the present embodiment, the output shaft of driving engine 101 is connected by stepless speed changing mechanism 102 with first transmission shaft 110.Be connected with centrifugal clutch 104 on first transmission shaft 110, and centrifugal clutch 104 is connected with stepless speed changing mechanism 102.Can make crawler vehicle 133 stepless change when walking like this.And the use of centrifugal clutch 104 be can make the rotating speed of driving engine 101 reach certain numerical value the time, and crawler vehicle 133 just can be walked.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a crawler vehicle is characterized in that, comprising: driving engine, crawler belt, be used for driving crawler belt wheels, underframe and the steering hardware that described crawler belt rotates;
Described underframe is provided with can be by described engine-driven first transmission shaft, and described first transmission shaft is horizontally disposed with;
Described steering hardware comprises Moving plate, Moving plate Control arm, two price fixings, two driven tep reels and two first belts;
Described price fixing and described Moving plate be coaxial being arranged on described first transmission shaft all; And two described price fixings are positioned at the both sides of described Moving plate;
Be provided with between described Moving plate and described first transmission shaft be used to the transom that makes described Moving plate rotate and can move along the axis of described first transmission shaft with described first transmission shaft;
Described Moving plate Control arm is connected with described Moving plate by attaching parts and described Moving plate is moved along the axis of described first transmission shaft;
Described price fixing is equipped with the truncated cone-shaped projection towards side and the described Moving plate of described Moving plate towards the side of described price fixing;
Second transmission shaft parallel with described first transmission shaft fixedly arranged on the described underframe; Two described driven tep reels are rotationally connected with on described second transmission shaft;
Described driven tep reel comprises the first driven tep reel and the second driven tep reel, and the described first driven tep reel is equipped with the truncated cone-shaped projection with the relative side of the described second driven tep reel;
Every described first belt is arranged between each described price fixing and the described Moving plate, and is arranged at respectively between the described first driven tep reel and the described second driven tep reel;
Described crawler belt and described crawler belt wheels are distributed in the both sides of described crawler vehicle symmetrically;
Each described driven tep reel is connected with described crawler belt wheels and drives this described crawler belt wheels and rotates.
2. crawler vehicle according to claim 1 is characterized in that, described crawler belt wheels comprise driving Athey wheel and driven Athey wheel; Described crawler belt is around described driving Athey wheel and described driven Athey wheel;
Each described driven tep reel is all coaxial to be connected with a drive sprocket;
Each described drive sprocket all drives a driven sprocket by chain and rotates;
Each described driven sprocket respectively with described driving Athey wheel coaxial be connected and drive this described driving Athey wheel rotate.
3. crawler vehicle according to claim 1 is characterized in that, is connected with fixed mount on the described underframe, and described attaching parts is arranged on the described fixed mount;
Described attaching parts comprises Moving plate control piece, Moving plate actuating spindle, pull bar and bearing;
The side face of described Moving plate actuating spindle is provided with screw thread, and the two ends of described Moving plate actuating spindle are fixed on the described fixed mount; End away from described underframe of described Moving plate actuating spindle is connected with described Moving plate Control arm;
The axis of described Moving plate actuating spindle is parallel with the axis of described first transmission shaft;
The center of described Moving plate control piece is provided with tapped bore, and described tapped bore and described Moving plate actuating spindle are by being threaded;
Described Moving plate control piece is captiveed joint with described pull bar; Described pull bar is parallel with the axis of described first transmission shaft;
The outer ring of described bearing is connected with described pull bar, and the inner ring of described bearing is enclosed within on the side face of described Moving plate;
When described Moving plate Control arm during along circumferentially the rotating to a side of described Moving plate actuating spindle: described Moving plate Control arm drives described Moving plate actuating spindle and rotates, described Moving plate actuating spindle when rotating, drive described Moving plate control piece along described Moving plate actuating spindle axially to a side shifting, described Moving plate control piece in mobile, drive described pull bar along described Moving plate actuating spindle axially to a side shifting, and then drive described bearing vertically to a side shifting, finally make described bearing drive described Moving plate along described first transmission shaft axially to a side shifting;
When described Moving plate Control arm during along circumferentially the rotating to opposite side of described Moving plate actuating spindle: described Moving plate Control arm drives described Moving plate actuating spindle and rotates to opposite side, described Moving plate actuating spindle drives described Moving plate control piece axially moving to opposite side along described Moving plate actuating spindle when rotating, described Moving plate control piece drives described pull bar axially moving to opposite side along described Moving plate actuating spindle in mobile, and then drive described bearing and move to opposite side vertically, finally make described bearing drive described Moving plate axially moving to opposite side along described first transmission shaft.
4. crawler vehicle according to claim 1 is characterized in that, described transom comprises the sleeve that is arranged between described Moving plate and described first transmission shaft;
Described sleeve is connected by spline with described first transmission shaft;
The outside face of described sleeve is provided with the axially extended groove along described sleeve, and the central hole of described Moving plate is provided with the axially extended projection along described Moving plate, and described groove and described projection are connected.
5. crawler vehicle according to claim 3 is characterized in that, the top of described underframe is provided with pedal;
Be provided with first spring between described pedal and the described underframe; And also be provided with the first end oscillating bearing that distributes perpendicular to the center of symmetry on the axis direction of described first transmission shaft along described pedal between described pedal and the described underframe;
Described Moving plate Control arm is provided with connecting bore away from an end of described Moving plate actuating spindle, is connected with connecting rod on the described pedal, and the two ends of described connecting rod are connected with described connecting bore with described pedal by the second end oscillating bearing respectively;
When rotating under the close side direction of described Moving plate Control arm of described pedal, described pedal drives described link work by the described second end oscillating bearing, described connecting rod drives described connecting bore by the described second end oscillating bearing and moves in motion, and then makes described Moving plate Control arm circumferentially rotating to a side along described Moving plate actuating spindle;
When rotating on the close side direction of described Moving plate Control arm of described pedal, described pedal drives described link work by the described second end oscillating bearing, described connecting rod drives described connecting bore by the described second end oscillating bearing in motion oppositely mobile, and then make described Moving plate Control arm circumferentially rotating to opposite side along described Moving plate actuating spindle.
6. crawler vehicle according to claim 2 is characterized in that, is connected with hand steered on the described underframe;
Two described driving Athey wheels are provided with brake gear.
7. crawler vehicle according to claim 2 is characterized in that, described driven tep reel is connected by bearing with described second transmission shaft;
Described driven tep reel is connected by the 3rd transmission shaft with described drive sprocket, and the dead in line of the axis of described the 3rd transmission shaft and described second transmission shaft;
And/or;
Described driven sprocket is connected by the 4th transmission shaft with described driving Athey wheel; The axis of described the 4th transmission shaft is parallel with the axis of described second transmission shaft.
8. crawler vehicle according to claim 7 is characterized in that, is connected with second spring on the described driven tep reel, the axis of described second spring and the dead in line of described driven tep reel;
One end of described second spring is captiveed joint with described the 3rd transmission shaft.
9. crawler vehicle according to claim 3 is characterized in that, described pull bar is two, and described pull bar is with respect to the axis symmetrical distribution of described first transmission shaft;
Described Moving plate control piece is provided with two through holes;
A described pull bar is captiveed joint with a described through hole.
10. crawler vehicle according to claim 1 is characterized in that, the output shaft of described driving engine is connected by stepless speed changing mechanism with described first transmission shaft;
Be connected with centrifugal clutch on described first transmission shaft, and described centrifugal clutch is connected with described stepless speed changing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127074 CN203126959U (en) | 2013-03-19 | 2013-03-19 | Crawler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127074 CN203126959U (en) | 2013-03-19 | 2013-03-19 | Crawler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203126959U true CN203126959U (en) | 2013-08-14 |
Family
ID=48934965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127074 Expired - Lifetime CN203126959U (en) | 2013-03-19 | 2013-03-19 | Crawler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203126959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144670A (en) * | 2013-03-19 | 2013-06-12 | 陈全强 | Track vehicle |
-
2013
- 2013-03-19 CN CN 201320127074 patent/CN203126959U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144670A (en) * | 2013-03-19 | 2013-06-12 | 陈全强 | Track vehicle |
| CN103144670B (en) * | 2013-03-19 | 2015-07-08 | 陈全强 | Track vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |