CN208201963U - A kind of road construction bull-dozer - Google Patents
A kind of road construction bull-dozer Download PDFInfo
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- CN208201963U CN208201963U CN201820282735.1U CN201820282735U CN208201963U CN 208201963 U CN208201963 U CN 208201963U CN 201820282735 U CN201820282735 U CN 201820282735U CN 208201963 U CN208201963 U CN 208201963U
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- dozer
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- support plate
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Abstract
The utility model relates to technical field of engineering machinery, specially a kind of road construction bull-dozer, including bull-dozer ontology and support plate, this road construction is simple with bull-dozer structure, open external power supply, electric motor starting, the second belt wheel is driven to rotate, second belt wheel drives first pulley rotation by belt, first sleeve is driven to rotate in the inner cavity of support plate, first sleeve is threadedly coupled screw rod, sliding block is pulled to slide to the right in the inner cavity of support plate, first spur rack drives second gear to rotate clockwise, second gear drives first gear to rotate counterclockwise, first gear engages arc-shaped rack, bulldozing shovel blade is driven to tilt down, simultaneously, third gear engages the second spur rack, T-bar is driven to move upwards, first piston upward sliding in hydraulic cylinder, hydraulic oil in ram pot is entered in hydraulic cylinder by hose, the two combines , significantly more efficient drive bulldozing shovel blade, which tilts down, scoops up dregs.
Description
Technical field
The utility model relates to technical field of engineering machinery, specially a kind of road construction bull-dozer.
Background technique
Bull-dozer is a kind of earthmoving equipment for being able to carry out excavation, transporting and dump ground, is suitable for ground surface soil stone
Equal large size earth work operation is built in the short fortune of shallow cut of side, site clearing or smooth, the excavation of foundation pit and backfill, pushing away for roadbed, closely
Nian Lai, with the continuous expansion of its field of operation, it is applied not only to back work, it can also be used to mainly exploit work, at present city
Bull-dozer on field be largely it is universal, be suitable for most of operating condition, but the road construction situation in China is complex,
Especially in terms of the construction of western road, need to cut into a mountain slope stone, and bull-dozer not only carries the effect of shovel soil but also needs
Short-range transport and stacking are carried out to the dregs rooted out, for this purpose, we design a kind of road construction bull-dozer.
Utility model content
The purpose of this utility model is to provide a kind of road construction bull-dozers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of road construction bull-dozer, including bull-dozer ontology and support plate, bull-dozer ontology are hollow structure inside,
And the side sidewall upper of bull-dozer ontology opens up the first strip-shaped hole, fixation is plugged with support plate, the branch in the first strip-shaped hole
Fagging is hollow structure inside, and support plate is located at one section of external lower end of bull-dozer sheet and is symmetrically fixedly connected with that there are two arc-shaped gears
Item, the teeth inside the arc-shaped rack engage first gear, and the opposite side of two first gears passes through the second shaft company
It connects, fixing sleeve is connected to the upper end of multiple lifting bars in second shaft, and the lower end inclination for being lifted bar is connected with bulldozing shovel blade
Side sidewall upper, the bottom wall of the support plate is symmetrically opened up there are two the second strip-shaped hole, and the second strip-shaped hole is rotatablely connected
There is second gear, the opposite side of two second gears is fixedly connected by third shaft, and second gear and the first tooth
Wheel engagement, the second gear engage the teeth of the first spur rack lower end, and the interior top of the upper end of the first spur rack and support plate
Wall is slidably connected, and the two described one end of first spur rack far from second gear vertically connect on the side side wall of the same sliding block
The inner sidewall of end, the sliding block and support plate is slidably connected, and sliding block is connected with screw rod far from one end middle part of the first spur rack
One end, the other end of the screw rod is threadedly coupled the inner sidewall of first sleeve, and the inside of first sleeve and support plate rotates
Connection, the other end middle part of first sleeve are vertically fixedly connected with one end of the 4th shaft, and the other end of the 4th shaft runs through
The side wall of support plate reaches the inner cavity of bull-dozer ontology and vertically connects in the middle part of the side wall of first pulley, and first pulley passes through skin
Band connection has the second belt wheel, and the middle part fixation of second belt wheel is plugged with first rotating shaft, and first rotating shaft is close to arc-shaped rack
One end and the inner sidewall of bull-dozer ontology be rotatablely connected, the output end of the other end of first rotating shaft connection motor, and electricity
Machine is fixedly connected by bracket with the inner sidewall of bull-dozer ontology, and fixing sleeve is connected to third gear, and in the first rotating shaft
Three gears engage the teeth on front side of the second spur rack, and the upper end of second spur rack reaches the inner cavity of second sleeve and by the
One spring and the inner roof wall of second sleeve connect, and the second spur rack be located at one section of second sleeve inner cavity it is interior with second sleeve
Side walls connection, the upper end of the second sleeve are fixedly connected with the inner roof wall of bull-dozer ontology, second spur rack
Lower end is vertically fixedly connected with the upper center of T-bar, and the lower end of T-bar reaches the inner cavity of hydraulic cylinder and vertically connects first and lives
The inner sidewall of the upper center of plug, the first piston and hydraulic cylinder is slidably connected, and the lower end of hydraulic cylinder and bull-dozer ontology
Inner bottom wall be fixedly connected, the T-bar, which is located on one section of cylinder chamber, is socketed with second spring, and second spring is upper
End is connect with the inner roof wall of hydraulic cylinder, and the lower end of second spring and the upper end of first piston connect, and the hydraulic cylinder is close to soil-shifting
The side side wall lower ends perforation of perching knife is connected with one end of hose, and the other end of hose runs through the side wall of bull-dozer ontology and passes through
Lead to the sidewall upper for connecing ram pot, one end of the ram pot is side walls hinged with bull-dozer ontology, and the inside of ram pot
Wall slidably connects second piston, and the second piston is connected with one end of third spring close to the side of bull-dozer ontology, and
The other end of third spring and the inner sidewall of ram pot connect, and are vertically connected with hydraulic stem in the middle part of the other end of the second piston
One end, and the other end of hydraulic stem is through the side wall of ram pot and hinged with the side wall lower ends of bulldozing shovel blade, the motor with
External power supply collectively constitutes a series circuit by conducting wire.
Preferably, the inner roof wall of the support plate offers and the matched sliding slot in the upper end of the first spur rack.
Preferably, the diameter of the second gear is equal to the half of the first spur rack length.
Preferably, the slanted angle between the lifting bar and bulldozing shovel blade is 40 degree to 60 degree.
Preferably, fixing sleeve is connected to rubber ring on the side wall of the first piston.
Preferably, the quantity of the lifting bar is no less than three, and multiple lifting bars equidistantly arrange.
Preferably, the bulldozing shovel blade is connected with multiple perching knife sawtooth, and perching knife far from the side lower end of bull-dozer ontology
The quantity of sawtooth is no less than 15.
Preferably, the perching knife sawtooth is three-legged structure, and multiple perching knife sawtooth equidistantly arrange.
Compared with prior art, the utility model has the beneficial effects that this road construction is simple with bull-dozer structure, bulldoze
When machine ontology drives to dregs stacking field, external power supply is opened, electric motor starting drives the rotation of the second belt wheel, and the second belt wheel passes through
Belt drives first pulley rotation, and first sleeve is driven to rotate in the inner cavity of support plate, and first sleeve is threadedly coupled screw rod, draws
Movable slider slides to the right in the inner cavity of support plate, and the first spur rack drives second gear to rotate clockwise, second gear engagement
First gear drives first gear to rotate counterclockwise, and first gear engages arc-shaped rack, drives bulldozing shovel blade to tilt down, together
When, third gear engages the second spur rack, and drive T-bar to move upwards, first piston upward sliding in hydraulic cylinder, ram pot
Interior hydraulic oil is entered in hydraulic cylinder by hose, and the two combines, and significantly more efficient drive bulldozing shovel blade, which tilts down, scoops up slag
Soil；Then, electric motor starting rotates backward, and the first spur rack is driven to move downward, and first gear rotates clockwise, and drives dozer
Knife, which rotates down, packs up dregs, meanwhile, third gear engages the second spur rack, drives T-bar to move downward, the liquid in hydraulic cylinder
Pressure oil enters ram pot, push hydraulic stem tightly support bulldozing shovel blade, cooperation lifting bar it is safer lift bulldozing shovel blade
And dregs, it will not topple over, the two combines, and effectively scoops up road dregs, and it transports road dregs, finally unloads road dregs,
It improves work efficiency.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is A structure enlargement diagram.
In figure: bull-dozer ontology 1, arc-shaped rack 3, first gear 4, second gear 5, the first spur rack 6, is slided support plate 2
Block 7, screw rod 8, first sleeve 9, first pulley 10, belt 11, the second belt wheel 12, first rotating shaft 13, motor 14, third gear
15, the second spur rack 16, second sleeve 17, T-bar 18, hydraulic cylinder 19, first piston 20, the second shaft 21, lifting bar 22, push away
Mamoty knife 23, perching knife sawtooth 24, hydraulic stem 25, ram pot 26, second piston 27, hose 28.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2:
A kind of road construction bull-dozer, including bull-dozer ontology 1 and support plate 2, bull-dozer ontology 1 are inner hollow knot
Structure, and the side sidewall upper of bull-dozer ontology 1 opens up the first strip-shaped hole, fixation is plugged with support plate 2 in the first strip-shaped hole, props up
Fagging 2 be hollow structure inside, and support plate 2 be located at one section of lower end outside bull-dozer ontology 1 be symmetrically fixedly connected there are two arc
Shape rack gear 3, the teeth inside arc-shaped rack 3 engage first gear 4, and the opposite side of two first gears 4 passes through second turn
Axis 21 connects, and fixing sleeve is connected to the upper end of multiple lifting bars 22 in the second shaft 21, and the lower end inclination for being lifted bar 22 is connected with
The side sidewall upper of bulldozing shovel blade 23, the quantity of lifting bar 22 is no less than three, and multiple lifting bars 22 equidistantly arrange, lift
Slanted angle between rising stem 22 and bulldozing shovel blade 23 is 40 degree to 60 degree, there are two the bottom wall of support plate 2 symmetrically opens up
Second strip-shaped hole, and the second strip-shaped hole is rotatably connected to second gear 5, the opposite side of two second gears 5 is turned by third
Axis is fixedly connected, and second gear 5 is engaged with first gear 4, the teeth of the engagement of second gear 5 first spur rack, 6 lower end, and the
The upper end of one spur rack 6 and the inner roof wall of support plate 2 are slidably connected, and the diameter of second gear 5 is equal to 6 length of the first spur rack
Half, the inner roof wall of support plate 2 offer the matched sliding slot in upper end with the first spur rack 6, and two the first spur racks 6 are far from
One end of two gears 5 vertically connects the side sidewall upper of the same sliding block 7, and the inner sidewall sliding of sliding block 7 and support plate 2 connects
It connects, and sliding block 7 is far from being connected with one end of screw rod 8 in the middle part of one end of the first spur rack 6, the other end of screw rod 8 is threadedly coupled the
The inner sidewall of one sleeve 9, and the inside of first sleeve 9 and support plate 2 is rotatablely connected, it is vertical in the middle part of the other end of first sleeve 9
It is fixedly connected with one end of the 4th shaft, the other end of the 4th shaft reaches the inner cavity of bull-dozer ontology 1 through the side wall of support plate 2
And the side wall middle part of first pulley 10 is vertically connected, and first pulley 10 is connected with the second belt wheel 12, the second band by belt 11
The middle part of wheel 12 is fixed to be plugged with first rotating shaft 13, and the one end and bull-dozer ontology 1 of first rotating shaft 13 close to arc-shaped rack 3
Inner sidewall rotation connection, the output end of the other end connection motor 14 of first rotating shaft 13, and motor 14 passes through bracket and bull-dozer
The inner sidewall of ontology 1 is fixedly connected, and fixing sleeve is connected to third gear 15 in first rotating shaft 13, and the engagement of third gear 15 second is straight
The teeth of 16 front side of rack gear, the upper end of the second spur rack 16 reach the inner cavity of second sleeve 17 and pass through the first spring and second set
The inner roof wall connection of cylinder 17, and the second spur rack 16 is located at one section of 17 inner cavity of second sleeve and slides with the inner sidewall of second sleeve 17
Dynamic connection, the upper end of second sleeve 17 are fixedly connected with the inner roof wall of bull-dozer ontology 1, and the lower end of the second spur rack 16 is vertically solid
Surely the upper center of T-bar 18 is connected, and the lower end of T-bar 18 reaches the inner cavity of hydraulic cylinder 19 and vertically connects first piston 20
Upper center, first piston 20 and the inner sidewall of hydraulic cylinder 19 be slidably connected, and the lower end of hydraulic cylinder 19 and bull-dozer ontology 1
Inner bottom wall be fixedly connected, fixing sleeve is connected to rubber ring on the side wall of first piston 20, and T-bar 18 is located at 19 inner cavity of hydraulic cylinder
Second spring is socketed on one section, and the upper end of second spring is connect with the inner roof wall of hydraulic cylinder 19, the lower end of second spring with
The upper end of first piston 20 connects, and hydraulic cylinder 19 is connected with the one of hose 28 close to the side side wall lower ends perforation of bulldozing shovel blade 23
End, and the other end of hose 28 runs through the side wall of bull-dozer ontology 1 and penetrates through the sidewall upper of connection ram pot 26, ram pot 26
One end and bull-dozer ontology 1 it is side walls hinged, and the inner sidewall of ram pot 26 slidably connects second piston 27, second piston
27 are connected with one end of third spring close to the side of bull-dozer ontology 1, and the other end of third spring and ram pot 26 is interior
Side wall connection, the other end middle part of second piston 27 is vertically connected with one end of hydraulic stem 25, and the other end of hydraulic stem 25 passes through
Wear the side wall of ram pot 26 and, bulldozing shovel blade 23 side far from bull-dozer ontology 1 hinged with the side wall lower ends of bulldozing shovel blade 23
Lower end is connected with multiple perching knife sawtooth 24, and the quantity of perching knife sawtooth 24 is no less than 15, and perching knife sawtooth 24 is three-legged structure,
And multiple equidistantly arrangements of perching knife sawtooth 24, motor 14 collectively constitute a series circuit by conducting wire with external power supply.
Working principle: bull-dozer ontology 1 drives to dregs when stacking field, opens external power supply, motor 14 starts, and drives the
The rotation of two belt wheels 12, the second belt wheel 12 drive first pulley 10 to rotate by belt 11, drive first sleeve 9 in support plate 2
It is rotated in inner cavity, first sleeve 9 is threadedly coupled screw rod 8, pulls sliding block 7 to slide to the right in the inner cavity of support plate 2, the first straight-tooth
Item 6 drives second gear 5 to rotate clockwise, and second gear 5 engages first gear 4 and first gear 4 is driven to rotate counterclockwise, and first
Gear 4 engages arc-shaped rack 3, and bulldozing shovel blade 2 is driven to tilt down, meanwhile, third gear 15 engages the second spur rack 16, drives
T-bar 18 moves upwards, the upward sliding in hydraulic cylinder 19 of first piston 20, the hydraulic oil in ram pot 26 by hose 28 into
Enter in hydraulic cylinder 19, effective drive bulldozing shovel blade 2, which tilts down, scoops up dregs；
Then, the starting of motor 14 rotates backward, and the first spur rack 6 is driven to move downward, and first gear 4 rotates clockwise,
It drives bulldozing shovel blade 2 to rotate down and packs up dregs, meanwhile, third gear 15 engages the second spur rack 16, drives T-bar 18 downward
Movement, the hydraulic oil in hydraulic cylinder 19 enter ram pot 26, push hydraulic stem 25 tightly support bulldozing shovel blade 2, cooperation lift
Rising stem 22 lifts bulldozing shovel blade 2 and dregs, and the two combines, and effectively scoops up road dregs, transports road dregs, finally unloads
Lower road dregs.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of road construction bull-dozer, including bull-dozer ontology (1) and support plate (2), bull-dozer ontology (1) is in inside
Hollow structure, and the side sidewall upper of bull-dozer ontology (1) opens up the first strip-shaped hole, fixation is plugged with support in the first strip-shaped hole
Plate (2), it is characterised in that: the support plate (2) is hollow structure inside, and support plate (2) is located at bull-dozer ontology (1) outside
One section of lower end is symmetrically fixedly connected there are two arc-shaped rack (3), and the internal teeth of the arc-shaped rack (3) engage first gear
(4), and the opposite side of two first gears (4) is connected by the second shaft (21), fixing sleeve on second shaft (21)
It is connected to the upper end of multiple liftings bar (22), and the lower end inclination for being lifted bar (22) is connected on the side side wall of bulldozing shovel blade (23)
End, the bottom wall of the support plate (2) is symmetrically opened up there are two the second strip-shaped hole, and the second strip-shaped hole is rotatably connected to second gear
(5), two opposite sides of the second gear (5) are fixedly connected by third shaft, and second gear (5) and first gear
(4) it engages, the teeth of second gear (5) engagement the first spur rack (6) lower end, and the upper end of the first spur rack (6) and branch
The inner roof wall of fagging (2) is slidably connected, and two first spur racks (6) vertically connect together far from the one end of second gear (5)
The side sidewall upper of one sliding block (7), the sliding block (7) and the inner sidewall of support plate (2) are slidably connected, and sliding block (7) is remote
One end of screw rod (8) is connected in the middle part of one end from the first spur rack (6), the other end of the screw rod (8) is threadedly coupled first
The inner sidewall of sleeve (9), and the inside of first sleeve (9) and support plate (2) is rotatablely connected, in the other end of first sleeve (9)
Portion is vertically fixedly connected with one end of the 4th shaft, and side wall of the other end of the 4th shaft through support plate (2), which reaches, bulldozes
The inner cavity of machine ontology (1) and the side wall middle part for vertically connecting first pulley (10), and first pulley (10) is connected by belt (11)
It is connected to the second belt wheel (12), the middle part fixation of second belt wheel (12) is plugged with first rotating shaft (13), and first rotating shaft (13)
It is rotatablely connected close to the one end of arc-shaped rack (3) and the inner sidewall of bull-dozer ontology (1), the other end of the first rotating shaft (13)
The output end of motor (14) is connected, and motor (14) is fixedly connected by bracket with the inner sidewall of bull-dozer ontology (1), described the
Fixing sleeve is connected to third gear (15) in one shaft (13), and the tooth on front side of third gear (15) engagement the second spur rack (16)
Tooth, the upper end of second spur rack (16) reach the inner cavity of second sleeve (17) and by the first spring and second sleeve (17)
Inner roof wall connection, and the second spur rack (16) is located at one section of second sleeve (17) inner cavity and the inner sidewall of second sleeve (17)
It is slidably connected, the upper end of the second sleeve (17) is fixedly connected with the inner roof wall of bull-dozer ontology (1), second spur rack
(16) lower end is vertically fixedly connected with the upper center of T-bar (18), and the lower end of T-bar (18) reaches the interior of hydraulic cylinder (19)
The inner sidewall sliding of chamber and the upper center for vertically connecting first piston (20), the first piston (20) and hydraulic cylinder (19) connects
It connects, and the lower end of hydraulic cylinder (19) is fixedly connected with the inner bottom wall of bull-dozer ontology (1), the T-bar (18) is located at hydraulic cylinder
(19) second spring is socketed on one section of inner cavity, and the upper end of second spring is connect with the inner roof wall of hydraulic cylinder (19), second
The lower end of spring is connect with the upper end of first piston (20), and the hydraulic cylinder (19) is under the side side wall of bulldozing shovel blade (23)
End perforation is connected with one end of hose (28), and side wall and penetrate through company of the other end of hose (28) through bull-dozer ontology (1)
Connect the sidewall upper of ram pot (26), one end of the ram pot (26) is side walls hinged with bull-dozer ontology (1), and ram pot
(26) inner sidewall slidably connects second piston (27), and the second piston (27) connects close to the side of bull-dozer ontology (1)
It is connected to one end of third spring, and the other end of third spring is connect with the inner sidewall of ram pot (26), the second piston
(27) one end of hydraulic stem (25) is vertically connected in the middle part of the other end, and the other end of hydraulic stem (25) runs through ram pot (26)
Side wall and hinged with the side wall lower ends of bulldozing shovel blade (23), the motor (14) and external power supply collectively constitute one by conducting wire
Series circuit.
2. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the interior top of the support plate (2)
Wall offers the matched sliding slot in upper end with the first spur rack (6).
3. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the second gear (5) it is straight
Diameter is equal to the half of the first spur rack (6) length.
4. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the lifting bar (22) and soil-shifting
Slanted angle between perching knife (23) is 40 degree to 60 degree.
5. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the side of the first piston (20)
Fixing sleeve is connected to rubber ring on wall.
6. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the quantity of lifting bar (22)
No less than three, and multiple lifting bars (22) equidistantly arrange.
7. a kind of road construction bull-dozer according to claim 1, it is characterised in that: the bulldozing shovel blade (23) is separate
The side lower end of bull-dozer ontology (1) is connected with multiple perching knife sawtooth (24), and the quantity of perching knife sawtooth (24) is no less than 15
It is a.
8. a kind of road construction bull-dozer according to claim 7, it is characterised in that: the perching knife sawtooth (24) is three
Corner structure, and multiple perching knife sawtooth (24) equidistantly arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282735.1U CN208201963U (en) | 2018-02-28 | 2018-02-28 | A kind of road construction bull-dozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282735.1U CN208201963U (en) | 2018-02-28 | 2018-02-28 | A kind of road construction bull-dozer |
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| Publication Number | Publication Date |
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| CN208201963U true CN208201963U (en) | 2018-12-07 |
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ID=64535616
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820282735.1U Active CN208201963U (en) | 2018-02-28 | 2018-02-28 | A kind of road construction bull-dozer |
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| Country | Link |
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| CN (1) | CN208201963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670466A (en) * | 2019-10-12 | 2020-01-10 | 郎诗怡 | Pavement construction auxiliary crushing equipment capable of increasing crushing efficiency by moving left and right |
-
2018
- 2018-02-28 CN CN201820282735.1U patent/CN208201963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670466A (en) * | 2019-10-12 | 2020-01-10 | 郎诗怡 | Pavement construction auxiliary crushing equipment capable of increasing crushing efficiency by moving left and right |
| CN110670466B (en) * | 2019-10-12 | 2021-07-02 | 胡美辉 | Pavement construction auxiliary crushing equipment capable of increasing crushing efficiency by moving left and right |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190603 Address after: 030602 No. 78 Yutai Road, Yuci District, Jinzhong City, Shanxi Province Patentee after: Shanxi Jinzhong Road and Bridge Construction Group Co., Ltd. Address before: 314500 Baoan Lane 16, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Wang Yachao |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 435, Huitong North Road, Yuci District, Jinzhong City, Shanxi Province Patentee after: Shanxi road and Bridge No.6 Engineering Co., Ltd Address before: 030602 No. 78 Yutai Road, Yuci District, Jinzhong City, Shanxi Province Patentee before: Shanxi Jinzhong Road and Bridge Construction Group Co.,Ltd. |
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| CP03 | Change of name, title or address |