CN207846148U - A kind of municipal road pavement roadbed maintenance concrete batch plant - Google Patents
A kind of municipal road pavement roadbed maintenance concrete batch plant Download PDFInfo
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- CN207846148U CN207846148U CN201721666207.8U CN201721666207U CN207846148U CN 207846148 U CN207846148 U CN 207846148U CN 201721666207 U CN201721666207 U CN 201721666207U CN 207846148 U CN207846148 U CN 207846148U
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- mounting bracket
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- stirring
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Abstract
The utility model is related to a kind of municipal road pavement roadbed maintenance concrete batch plants, including mounting bracket, bottom plate, traveling wheel, auxiliary device, agitating device and limiting device, auxiliary device is installed on the mounting bracket, auxiliary device lower end is equipped with agitating device, agitating device includes that refining plate, traction cylinder, traction telescopic rod, stirring mechanism, connecting rod and lifting electric putter auxiliary device left and right ends are equipped with limiting device, and limiting device is connected with mounting bracket, mounting bracket lower end is equipped with bottom plate, and bottom plate lower end is equipped with traveling wheel.The utility model can solve after repairing rain just existing labor intensity is big during joints cement concrete road surface, high labor cost, working efficiency are low, there are security risk, repair efficiency it is undesirable with wasting raw material the problems such as, the function that automation repairing is carried out to cement concrete pavement may be implemented.
Description
Technical field
The utility model is related to municipal road pavement roadbed maintenance of equipment field, specifically a kind of municipal road pavements
Roadbed maintenance concrete batch plant.
Background technology
Cement concrete pavement refers to the road surface that face layer is done using cement concrete as main material, abbreviation concrete road surface.
Also known as rigid pavement is commonly called as white pavement, it is a kind of high class pavement.Cement concrete pavement has plain concrete, reinforced concrete
The various road surfaces such as soil, continuous reinforcement concrete, prestressed concrete.The rigid cement concrete pavement roadbed poured soon is after the rain
It is easy to generate recess on its surface, in order to not influence the beauty and normal use of road, it is necessary to these recess are repaired,
Since often space is smaller for recess, usually using being manually stirred to concrete, that there are labor intensity is big, manually at
This height, working efficiency are low, the problems such as being not thorough there are security risk and stirring, belong to a disaster therein during town road is safeguarded
Road, to solve the above-mentioned problems, the utility model provide a kind of municipal road pavement roadbed maintenance concrete batch plant.
Utility model content
In order to make up for the deficiencies of the prior art, the utility model provides a kind of municipal road pavement roadbed maintenance coagulation
Soil stirring equipment, the utility model can solve after repairing rain just existing labor intensity during joints cement concrete road surface
Greatly, high labor cost, working efficiency it is low, there are security risk, repair efficiency it is undesirable with wasting raw material the problems such as, may be implemented
The function that automation repairing is carried out to cement concrete pavement, with labor intensity is low, cost of labor is low, work efficiency is high, nothing
Security risk, repair efficiency more preferably with reduce wastage of material the advantages that.
The utility model to be solved its technical problem and be realized using following technical scheme：A kind of municipal road pavement
Roadbed maintenance concrete batch plant, including mounting bracket, bottom plate, traveling wheel, auxiliary device, agitating device and limiting device,
Auxiliary device is installed, auxiliary device lower end is equipped with agitating device, and auxiliary device left and right ends are equipped on the mounting bracket
Limiting device, and limiting device is connected with mounting bracket, mounting bracket lower end is equipped with bottom plate, and bottom plate lower end is equipped with traveling wheel；
Wherein：
The agitating device includes refining plate, traction cylinder, traction telescopic rod, stirring mechanism, connecting rod and lifting electric
Push rod, auxiliary device lower end are equipped with traction cylinder, are mounted on traction telescopic rod at left and right sides of traction cylinder, traction cylinder with
The top of traction telescopic rod is connected with stirring mechanism, and stirring mechanism includes link, electric rotating machine, rotary shaft and branch of stirring
Chain, link are connected with traction cylinder top, are equipped with electric rotating machine by motor cabinet on link outer wall, electric rotating machine is defeated
Shaft passes through link outer wall by bearing, and electric rotating machine output shaft is connected by shaft coupling with rotary shaft one end, rotation
The axis other end is mounted on by bearing on link inner wall, and there are four stir the uniform installation of its circumferential direction of rotary shaft outer wall upper edge
Branch, branch of stirring include damping spring, bounce cylinder and slot of stirring, and damping spring is uniformly mounted on rotary shaft from left to right
On, bounce cylinder is installed, on the rotary shaft, the top of bounce cylinder is installed for the bottom end installation of bounce cylinder inside damping spring
It is stirring on slot outer wall, slot of stirring is hollow-core construction, and slot one end of stirring offers arc notch, and the other end is provided with curved tooth,
Auxiliary device rear and front end is respectively mounted there are one connecting rod, and connecting rod lower end is equipped with lifting electric putter, lifting electric putter
Top is connected with refining plate, and steel bar is evenly arranged on refining plate；Pass through and adjust lifting electric putter so that refining plate can be with
The cement in recess is touched, under the action of auxiliary device, refining plate carries out linear reciprocating motion, is tentatively stirred cement
It mixes, after the completion of preliminary stirring, refining plate is adjusted to proper height, while drawing cylinder and stirring mechanism is driven to move downwardly to conjunction
Suitable height, at this time electric rotating machine start-up operation drive the branch of stirring of installation on the rotary shaft to carry out crankmotion, are revolving
Cement, which is involved in, during turning stirs in slot, flows out, is achieved in cement from arc notch again after rotating by a certain angle
It is sufficiently stirred, without artificial stirring, avoids the case where being damaged to human body because of stirring, and reduce the amount of labour,
It improves work efficiency.
As a kind of optimal technical scheme of the utility model, the auxiliary device include rack, gear, mobile motor,
Supporting plate, sliding block, sliding panel, the linear guide, movable block, push cylinder and accessory plate, rack are mounted on mounting bracket, and mounting bracket exists
Rack left end offers shifting chute, and gear is engaged on rack, and gear is connected with mobile motor output shaft, and mobile motor passes through
Motor cabinet is mounted on supporting plate, and supporting plate lower end is equipped with sliding block, and sliding block passes through shifting chute, mobile well width to be less than slider width,
And sliding block lower end is equipped with sliding panel, sliding panel left and right ends are respectively connected with a linear guide, and the linear guide is mounted on
On mounting bracket, sliding slot is offered in the middle part of sliding panel, sliding slot is interior to be equipped with movable block, movable block right end peace by sliding matching mode
Equipped with push cylinder, the bottom end installation of push cylinder is on the auxiliary board；Pass through the cooperation of mobile motor, wheel and rack, sliding block
Linear reciprocating motion in the front-back direction is carried out in shifting chute, and can then be driven in sliding panel by the stretching motion of push cylinder
The movable block of setting carries out the linear reciprocating motion of left and right directions, to enable agitating device to carry out longitudinal and transverse direction position
It adjusts, operation is flexible, is not necessarily to artificial shift position, reduces cost of labor.
As a kind of optimal technical scheme of the utility model, the limiting device includes limit electric pushrod, limit liquid
Cylinder pressure and limiting plate, limit electric pushrod are mounted on accessory plate outer wall, and limit hydraulic cylinder is mounted on movable block outer wall, limit
It is mounted on one piece of limiting plate on the outside of electric pushrod and limit hydraulic cylinder, two pieces of limiting plates are symmetrically mounted on mounting bracket or so two
It holds, limit hole is offered on limiting plate；When auxiliary device drive agitating device move to suitable position when, limit electric pushrod with
Limit hydraulic cylinder carries out stretching motion outward so that its top is stretched on limiting plate in corresponding limit hole, is achieved in stirring
The restriction for mixing setting position, avoid ensure that because the inconvenience brought to follow-up work is slided in position the reliability of work with it is steady
It is qualitative.
When work, the utility model is moved into assigned work place under the booster action of traveling wheel, passes through mobile electricity
The cooperation of machine, wheel and rack, sliding block carries out linear reciprocating motion in the front-back direction in shifting chute, and passes through push cylinder
Stretching motion can then drive the linear reciprocating motion for the movable block progress left and right directions being arranged in sliding panel, to make agitating device
It can carry out the adjusting of longitudinal and transverse direction position so that agitating device is located at right over recess, then limits electric pushrod and limit
Position hydraulic cylinder carries out stretching motion outward so that its top is stretched on limiting plate in corresponding limit hole, is achieved in stirring
The restriction of setting position avoids because the inconvenience brought to follow-up work is slided in position, then adjusts lifting electric putter, until
Refining plate can touch the cement in recess, and under the action of auxiliary device, refining plate carries out linear reciprocating motion, to recess
Interior cement is tentatively stirred, and after the completion of preliminary stirring, refining plate is adjusted to proper height, while being drawn cylinder drive and being turned over
Stir mechanism and move downwardly to proper height, at this time electric rotating machine start to work, drive installation on the rotary shaft stir branch into
Row crankmotion, cement, which is involved in, in rotary course stirs in slot, is flowed from arc notch again after rotating by a certain angle
Go out, be achieved in and cement is sufficiently stirred, the utility model can solve when remedial cement concrete road surface in whipping process
Existing labor intensity is big, high labor cost, working efficiency is low, the problems such as being not thorough there are security risk and stirring, Ke Yishi
The function of automation stirring is now carried out to cement concrete.
Compared with prior art, the utility model has the following advantages：
1. the utility model can solve when remedial cement concrete road surface, labor intensity present in whipping process is big, people
Work is of high cost, working efficiency is low, the problems such as being not thorough there are security risk and stirring, may be implemented to cement concrete carry out from
The function of dynamicization stirring, has that labor intensity is low, cost of labor is low, work efficiency is high, thorough etc. excellent without security risk and stirring
Point；
2. the utility model is provided with agitating device, without artificial stirring, no security risk；
3. the utility model is provided with auxiliary device, without manually being moved to agitating device, labor intensity is reduced
With cost of labor；
4. the utility model is provided with limiting device, agitating device can be fixed, be avoided because position is slided to after
The inconvenience that continuous work is brought ensure that the reliability and stability of work, keep mixing effect more preferable.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the cooperation dimensional structure diagram between the utility model mounting bracket, auxiliary device and limiting device；
Fig. 3 is the cooperation dimensional structure diagram between the utility model movable block and agitating device；
Fig. 4 is the cooperation dimensional structure diagram of the utility model stirring mechanism.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figures 1 to 4, a kind of municipal road pavement roadbed maintenance concrete batch plant, including mounting bracket 1,
Bottom plate 2, traveling wheel 3, auxiliary device 4, agitating device 5 and limiting device 6 are equipped with auxiliary device 4 on the mounting bracket 1, auxiliary
Help 4 lower end of device that agitating device is installed, 4 left and right ends of auxiliary device are equipped with limiting device 6, and limiting device 6 and installation
Frame 1 is connected, and 1 lower end of mounting bracket is equipped with bottom plate 2, and 2 lower end of bottom plate is equipped with traveling wheel 3；Wherein：
The agitating device 5 includes refining plate 4, traction cylinder 52, traction telescopic rod 53, stirring mechanism 54, connecting rod 55
With lifting electric putter 56,4 lower end of auxiliary device is equipped with traction cylinder 52, and 52 left and right sides of traction cylinder is mounted on traction
Telescopic rod 53, traction cylinder 52 are connected with the top for drawing telescopic rod 53 with stirring mechanism 54, and stirring mechanism 54 includes connection
Frame 541, electric rotating machine 542, rotary shaft 543 and branch 544 of stirring, link 541 are connected with 52 top of traction cylinder, connect
Electric rotating machine 542 is equipped with by motor cabinet on 541 outer wall of frame, 542 output shaft of electric rotating machine passes through link 541 by bearing
Outer wall, and 542 output shaft of electric rotating machine is connected by shaft coupling with 543 one end of rotary shaft, 543 other end of rotary shaft passes through axis
Hold on 541 inner wall of link, 543 outer wall upper edge its circumferential direction of rotary shaft uniformly installation there are four branch 544 of stirring,
Branch 544 of stirring includes damping spring 5441, bounce cylinder 5442 and slot 5443 of stirring, and damping spring 5441 is uniform from left to right
In rotary shaft 543, bounce cylinder 5442 is installed inside damping spring 5441, the bottom end of bounce cylinder 5442 is mounted on
In rotary shaft 543, the top of bounce cylinder 5442, which is mounted on, stirs on 5443 outer wall of slot, and slot 5443 of stirring is hollow-core construction, and
5443 one end of slot of stirring offers arc notch, and the other end is provided with curved tooth, and 4 rear and front end of auxiliary device is respectively mounted that there are one connect
Extension bar 55,55 lower end of connecting rod are equipped with lifting electric putter 56, and 56 top of lifting electric putter is connected with refining plate 4, even
Steel bar 511 is evenly arranged on flitch 51；By adjusting lifting electric putter 56 so that refining plate 51 can touch in recess
Cement, under the action of auxiliary device 4, refining plate 51 carry out linear reciprocating motion, cement is tentatively stirred, is tentatively stirred
After the completion of mixing, refining plate 51 is adjusted to proper height, while drawing cylinder 52 and stirring mechanism 54 is driven to move downwardly to properly
Highly, electric rotating machine 542 is started to work at this time, and the branch 544 of stirring being mounted in rotary shaft 543 is driven to carry out reciprocating rotary transhipment
Dynamic, cement, which is involved in, in rotary course stirs in slot 5443, is flowed out from arc notch again after rotating by a certain angle, thus real
Now cement is sufficiently stirred, without artificial stirring, avoids the case where being damaged to human body because of stirring, and reduce
The amount of labour, improves work efficiency.
The auxiliary device 4 includes rack 41, gear 42, mobile motor 43, supporting plate 44, sliding block 45, sliding panel 46, straight line
Guide rail 47, movable block 48, push cylinder 49 and accessory plate 410, rack 41 are mounted on mounting bracket 1, and mounting bracket 1 is left in rack 41
End offers shifting chute, gear 42 is engaged on rack 41, gear 42 is connected with 43 output shaft of mobile motor, mobile motor 43
It is mounted on supporting plate 44 by motor cabinet, 44 lower end of supporting plate is equipped with sliding block 45, and sliding block 45 passes through shifting chute, mobile well width small
In 45 width of sliding block, and 45 lower end of sliding block is equipped with sliding panel 46,46 left and right ends of sliding panel respectively with 47 phase of the linear guide
Connection, and the linear guide 47 is mounted on mounting bracket 1,46 middle part of sliding panel offers sliding slot, passes through the side of being slidably matched in sliding slot
Formula is equipped with movable block 48, and 48 right end of movable block is equipped with push cylinder 49, and the bottom end of push cylinder 49 is mounted on accessory plate 410
On；By the cooperation of mobile motor 43, gear 42 and rack 41, sliding block 45 carries out reciprocating linear in the front-back direction in shifting chute
Movement, and the movable block 48 being arranged in sliding panel 46 can then be driven to carry out left and right directions by the stretching motion of push cylinder 49
Linear reciprocating motion, to enable agitating device 5 to carry out the adjusting of longitudinal and transverse direction position, operation is flexible, is moved without artificial
Dynamic position, reduces cost of labor.
The limiting device 6 includes limit electric pushrod 61, limit hydraulic cylinder 62 and limiting plate 63, limits electric pushrod 61
On 410 outer wall of accessory plate, limit hydraulic cylinder 62 is mounted on 48 outer wall of movable block, limit electric pushrod 61 and limit liquid
62 outside of cylinder pressure is mounted on one piece of limiting plate 63, and two pieces of limiting plates 63 are symmetrically mounted on 1 left and right ends of mounting bracket, limiting plate 63
On offer limit hole；When auxiliary device 4 drives agitating device 5 to move to suitable position, limit electric pushrod 61 and limit
Hydraulic cylinder 62 carries out stretching motion outward so that its top is stretched on limiting plate 63 in corresponding limit hole, is achieved in stirring
The restriction for mixing 5 position of device, avoid ensure that because the inconvenience brought to follow-up work is slided in position the reliability of work with it is steady
It is qualitative.
When work, the utility model is moved into assigned work place under the booster action of traveling wheel 3, passes through mobile electricity
The cooperation of machine 43, gear 42 and rack 41, sliding block 45 carry out linear reciprocating motion in the front-back direction in shifting chute, and by pushing away
The linear reciprocating motion that the stretching motion of cylinder 49 of supplying gas can then drive the movable block 48 being arranged in sliding panel 46 to carry out left and right directions,
To enable agitating device 5 to carry out the adjusting of longitudinal and transverse direction position so that agitating device 5 is located at right over recess, then
It limits electric pushrod 61 and carries out stretching motion outward with limit hydraulic cylinder 62 so that corresponding limit on limiting plate 63 is stretched on its top
In the hole of position, it is achieved in the restriction to 5 position of agitating device, avoids because the inconvenience brought to follow-up work is slided in position, connects
Adjusting lifting electric putter 56, until refining plate 51 can touch the cement in recess, under the action of auxiliary device 4,
Refining plate 51 carries out linear reciprocating motion, is tentatively stirred to the cement in recess, after the completion of preliminary stirring, 51 quilt of refining plate
It is adjusted to proper height, while drawing cylinder 52 and stirring mechanism 54 is driven to move downwardly to proper height, at this time electric rotating machine 542
It starts to work, the branch 544 of stirring being mounted in rotary shaft 543 is driven to carry out crankmotion, the cement in rotary course
It is involved in and stirs in slot 5443, flowed out from arc notch again after rotating by a certain angle, be achieved in and cement is sufficiently stirred,
Labor intensity present in whipping process is big when the utility model solves remedial cement concrete road surface, high labor cost, work
Make that efficiency is low, the problems such as being not thorough there are security risk and stirring, realizes the work(for carrying out automation stirring to cement concrete
Can, reach purpose.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the only explanation of the description in above embodiments and description
The principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also have various changes
Change and improve, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model protects model
It encloses and is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of municipal road pavement roadbed maintenance concrete batch plant, including mounting bracket (1), bottom plate (2), traveling wheel
(3), auxiliary device (4), agitating device (5) and limiting device (6), it is characterised in that：Auxiliary is installed on the mounting bracket (1)
Device (4), auxiliary device (4) lower end are equipped with agitating device, and auxiliary device (4) left and right ends are equipped with limiting device (6), and
Limiting device (6) is connected with mounting bracket (1), and mounting bracket (1) lower end is equipped with bottom plate (2), and bottom plate (2) lower end is equipped with walking
It takes turns (3)；Wherein：
The agitating device (5) includes refining plate (51), traction cylinder (52), traction telescopic rod (53), stirring mechanism (54), connects
Extension bar (55) and lifting electric putter (56), auxiliary device (4) lower end are equipped with traction cylinder (52), traction cylinder (52) left and right
Both sides are mounted on traction telescopic rod (53), top and stirring mechanism (54) phase of the traction cylinder (52) with traction telescopic rod (53)
Connection, auxiliary device (4) rear and front end are respectively mounted there are one connecting rod (55), and connecting rod (55) lower end is equipped with lifting electric and pushes away
Bar (56), lifting electric putter (56) top are connected with refining plate (51).
2. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 1, it is characterised in that：
The auxiliary device (4) includes rack (41), gear (42), mobile motor (43), supporting plate (44), sliding block (45), sliding panel
(46), the linear guide (47), movable block (48), push cylinder (49) and accessory plate (410), rack (41) are mounted on mounting bracket
(1) on, mounting bracket (1) offers shifting chute in rack (41) left end, is engaged with gear (42) on rack (41), gear (42) with
Mobile motor (43) output shaft is connected, and mobile motor (43) is mounted on by motor cabinet on supporting plate (44), supporting plate (44) lower end
Sliding block (45) is installed, sliding block (45) passes through shifting chute, and sliding block (45) lower end is equipped with sliding panel (46), and sliding panel (46) is left
Right both ends are respectively connected with a linear guide (47), and the linear guide (47) is mounted on mounting bracket (1), in sliding panel (46)
Portion offers sliding slot, and sliding slot is interior to be equipped with movable block (48) by sliding matching mode, and movable block (48) right end is equipped with push
The bottom end of cylinder (49), push cylinder (49) is mounted on accessory plate (410).
3. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 1 or claim 2,
It is characterized in that：The limiting device (6) includes limit electric pushrod (61), limit hydraulic cylinder (62) and limiting plate (63), limit
Position electric pushrod (61) is mounted on accessory plate (410) outer wall, and limit hydraulic cylinder (62) is mounted on movable block (48) outer wall, limit
One piece of limiting plate (63) is mounted on the outside of position electric pushrod (61) and limit hydraulic cylinder (62), two pieces of limiting plates (63) are symmetrically pacified
Mounted in mounting bracket (1) left and right ends, limiting plate offers limit hole on (63).
4. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 1, it is characterised in that：
The stirring mechanism (54) includes link (541), electric rotating machine (542), rotary shaft (543) and branch (544) of stirring, connection
Frame (541) is connected with traction cylinder (52) top, and electric rotating machine is equipped with by motor cabinet on link (541) outer wall
(542), electric rotating machine (542) output shaft passes through link (541) outer wall by bearing, and electric rotating machine (542) output shaft is logical
It crosses shaft coupling with rotary shaft (543) one end to be connected, rotary shaft (543) other end is mounted on by bearing in link (541)
On wall, there are four branches (544) of stirring for the uniform installation of its circumferential direction of rotary shaft (543) outer wall upper edge.
5. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 2, it is characterised in that：
The mobile well width is less than sliding block (45) width.
6. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 1, it is characterised in that：
It is evenly arranged with steel bar (511) on the refining plate (51).
7. a kind of municipal road pavement roadbed maintenance concrete batch plant according to claim 4, it is characterised in that：
The branch of stirring (544) includes damping spring (5441), bounce cylinder (5442) and slot (5443) of stirring, damping spring
(5441) it is uniformly mounted in rotary shaft (543) from left to right, bounce cylinder (5442) is installed inside damping spring (5441),
The bottom end of bounce cylinder (5442) is mounted in rotary shaft (543), and the top of bounce cylinder (5442) is mounted on slot of stirring
(5443) on outer wall, slot of stirring (5443) is hollow-core construction, and slot of stirring (5443) one end offers arc notch, and the other end is set
It is equipped with curved tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666207.8U CN207846148U (en) | 2017-12-04 | 2017-12-04 | A kind of municipal road pavement roadbed maintenance concrete batch plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666207.8U CN207846148U (en) | 2017-12-04 | 2017-12-04 | A kind of municipal road pavement roadbed maintenance concrete batch plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207846148U true CN207846148U (en) | 2018-09-11 |
Family
ID=63423452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721666207.8U Active CN207846148U (en) | 2017-12-04 | 2017-12-04 | A kind of municipal road pavement roadbed maintenance concrete batch plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207846148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344309A (en) * | 2019-07-27 | 2019-10-18 | 广东隆建工程有限公司 | A kind of municipal road construction device and construction method |
-
2017
- 2017-12-04 CN CN201721666207.8U patent/CN207846148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344309A (en) * | 2019-07-27 | 2019-10-18 | 广东隆建工程有限公司 | A kind of municipal road construction device and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Caishi Technology Co.,Ltd. Assignor: HEBEI DERUI HIGHWAY ENGINEERING Co.,Ltd. Contract record no.: X2023980042632 Denomination of utility model: A concrete mixing equipment for municipal road pavement and roadbed maintenance Granted publication date: 20180911 License type: Common License Record date: 20230925 |
|
| EE01 | Entry into force of recordation of patent licensing contract |