CN110331635B - Municipal road and construction method thereof - Google Patents
Municipal road and construction method thereof Download PDFInfo
- Publication number
- CN110331635B CN110331635B CN201910564916.2A CN201910564916A CN110331635B CN 110331635 B CN110331635 B CN 110331635B CN 201910564916 A CN201910564916 A CN 201910564916A CN 110331635 B CN110331635 B CN 110331635B
- Authority
- CN
- China
- Prior art keywords
- frame
- fixed
- column
- locking
- base frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a municipal road and a construction method thereof. The urban road traffic protection system can solve the following problems that a traditional urban road is generally stranded when the urban road cannot be driven after rainstorm impact, the traditional urban road can only fill and repair a pothole impacted by rainstorm after the rainstorm is finished, and further the driving of the vehicle is ensured, the emergency capacity is poor, b, objects such as plates and the like are used for blocking the pothole impacted by rainstorm for the convenience of temporary driving, only vehicles with small size and light weight can be driven, the driving stability can not be ensured, the traffic pressure can not be relieved, and the driving safety can not be ensured.
Description
Technical Field
The invention relates to the technical field of municipal roads, in particular to a municipal road and a construction method thereof.
Background
The town road is the life line of urban traffic, and the normal use of road is related to each aspect of people's life, and nevertheless meets the torrential rain impact, and the urban road pothole that the condition caused such as earth collapse is uneven, and the vehicle is because pothole or ponding can't normally be current when, needs quick to restore the road, especially in the district that has the dangerous situation, must be quick carry out the condition of seriously endangering people's life and property safety such as sparse to the vehicle that blocks up.
However, the following problems that the existing urban road cannot pass through the vehicle after rainstorm impact exist, a, the traditional municipal road is generally stranded when the urban road encounters rainstorm impact and cannot pass through the vehicle, the pothole impacted by the rainstorm can be filled and repaired only after the rainstorm is waited to be ended, the passing of the vehicle is ensured, the emergency capacity is poor, b, objects such as plates and the like are used for facilitating temporary passing to shield the pothole impacted by the rainstorm, the vehicles with small size and light weight can only pass through, the stability of the use of the pothole impacted by the rainstorm cannot be ensured, the traffic pressure cannot be relieved, and the passing safety cannot be ensured.
Related industries have made researches on some problems of the municipal roads in emergency rescue, and specific technical solutions are proposed, for example, a municipal road structure of chinese utility model patent No. 2018207964143 can improve the utilization rate of natural rainwater resources, but do not relate to the above-mentioned problems of the municipal roads in temporary emergency.
Disclosure of Invention
In order to solve the problems, the invention provides a municipal road and a construction method thereof, which can solve the problems of the polymer battery in the using process.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a town road, includes the support bed frame, has laid the skid resistant course on the up end of support bed frame, evenly is provided with locking device along its circumference on the lateral wall of support bed frame, and the lower extreme of support bed frame evenly is provided with inserts solid device.
The supporting base frame is of a cavity structure, locking holes are uniformly formed in the upper side wall of the supporting base frame along the circumferential direction of the supporting base frame, a mounting plate is arranged in the middle of the supporting base frame, a mounting cavity is formed between the mounting plate and the inner wall of the lower end of the supporting base frame, the cross section of the mounting cavity is of an equilateral trapezoid structure, and mounting grooves are uniformly formed in the inclined edge of the mounting cavity along the axial direction of the mounting cavity; the lower end face of the mounting cavity is uniformly provided with operation holes.
The locking device comprises an arc driving frame arranged in the mounting groove, the arc driving frame is abutted against the execution locking plate, the execution locking plate is fixed on the mounting plate through a telescopic spring rod, an execution locking column is arranged on the side wall of the execution locking plate, and the execution locking column is located in the locking hole.
Insert solid device and include the sliding support who sets up in the operation hole inside through sliding fit mode, sliding support is hollow structure, and the cover is equipped with the spring between sliding support and the outer wall that supports the bed frame, and sliding support's lower extreme is equipped with inserts solid pipe, and sliding support with insert solid pipe and be the UNICOM structure, be provided with through sliding fit mode in the sliding support and lean on the post, evenly be provided with along its circumference direction on the sliding support and insert solid taper rod.
Preferably, an outwards convex stop block is arranged on the arc driving frame, the outer wall of the arc driving frame abuts against the auxiliary rotating column, and the auxiliary rotating column is installed in the installation groove through a bearing.
Preferably, the execution locking column is of a hollow conical structure, fixing holes are symmetrically formed in the upper side and the lower side of the execution locking column, a fixed conical rod column is arranged in each fixing hole in a sliding fit mode, a spring is sleeved between each fixed conical rod column and the inner wall of the execution locking column, linkage grooves are symmetrically formed in the execution locking column, linkage frames are arranged in the linkage grooves through pin shafts, and the linkage frames are located between the two fixed conical rod columns which are arranged up and down.
Preferably, the inserting and fixing pipe is of a conical structure, an inverted insertion hole which inclines upwards is uniformly formed in the inserting and fixing pipe, an inverted insertion rod is arranged in the inverted insertion hole and fixed on an inverted insertion frame, the inverted insertion frame is fixed on the inner wall of the inserting and fixing pipe through a guide spring rod, a rolling ball is arranged on the inverted insertion frame through a bearing, and the rolling ball is fixed on the abutting column.
Preferably, the upper end of the leaning column is fixed on the mounting plate, the lower end of the leaning column is located inside the inserting and fixing pipe, the lower end of the leaning column is of an isosceles triangle structure, guide grooves are symmetrically formed in the left side and the right side of the leaning column, guide telescopic rods are arranged in the guide grooves, and a clamping frame used for limiting the movement of the rolling balls is arranged at the lower end of each guide telescopic rod.
A construction method of a municipal road mainly comprises the following construction steps:
step one, treating a foundation pit, and excavating an installation pit of an inclined slope surface in a hollow pit of a road surface by using an excavator to enable the bottom of the installation pit to be in a flat state;
secondly, hoisting and placing, namely placing the supporting base frame into the mounting pit by using a crane, and keeping the upper end surface of the supporting base frame in a horizontal state during placing;
driving operation, namely moving the supporting base frame in the second step at a constant speed of m/min by using an impact type road roller to enable the supporting base frame placed in the mounting pit and the upper surface of the mounting pit to be kept in a horizontal state, and paving an anti-skid layer on the supporting base frame;
step four, fixing operation;
firstly, the bottom is fixed, the inserting and fixing pipe is inserted into a soil layer at the bottom of the installation pit under the operation of external force, when the inserting and fixing pipe cannot be inserted downwards, the sliding support is controlled to contract upwards under the action of the spring, meanwhile, the inserting and fixing pipe is driven to move upwards synchronously, the inverted inserting frame on the inserting and fixing pipe is supported towards two sides under the action of the abutting column, and therefore the inverted inserting rod is driven to be obliquely and upwards inverted inserted into the soil layer to increase the stability of bottom fixing;
simultaneously, circumference is fixed, and when the support bed frame was placed downwards, the installation hole inner wall extrudeed the circular arc driving frame, and inside the soil layer that the circular arc driving frame controlled the execution locking post to insert the installation hole under the effect of external force, when the link yoke in the execution locking post will pass the locking hole, the link yoke was in the soil layer is inserted to all around to the fixed taper-bar post of control under the extrusion of support bed frame inner wall, increased the fixed firm degree of support bed frame.
The invention has the beneficial effects that:
1. the invention can solve the following difficult problems existing in the prior urban road which can not be driven after the impact of heavy rain, a, the traditional municipal road is generally stranded when the vehicle can not be driven after the impact of heavy rain, the hole impacted by heavy rain can be filled and repaired only after the heavy rain is finished, and the driving of the vehicle is ensured, the emergency capability is poor, b, objects such as plates and the like are used for shielding the hole impacted by heavy rain for the convenience of temporary driving, only vehicles with small volume and light weight can be driven, the stability of the driving can not be ensured, the traffic pressure can not be relieved, and the driving safety can not be ensured;
2. the municipal road designed by the invention can be used for quickly and temporarily repairing potholes impacted by heavy rain, can replace roads to carry out normal traffic operation, and has strong emergency capability.
3. When the locking device and the inserting and fixing device are used, the supporting base frame is fixed in a circumferential direction and on the ground in multiple ways, the stability of traffic is guaranteed, the problem of blockage caused by damage to roads and incapability of traffic is solved, and traffic pressure is relieved
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the invention I;
FIG. 3 is an enlarged view of a portion of the invention in the Y direction;
FIG. 4 is an enlarged view of a portion of the invention in the Z direction;
FIG. 5 is an illustration of the town road work of the present invention;
FIG. 6 is an operational view of the locking device of the present invention;
FIG. 7 is a view of the operational state of the insertion device of the present invention;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 4, the town road comprises a supporting base frame 1, an anti-skid layer 2 is laid on the upper end face of the supporting base frame 1, locking devices 3 are uniformly arranged on the side wall of the supporting base frame 1 along the circumferential direction of the side wall, and inserting and fixing devices 4 are uniformly arranged at the lower end of the supporting base frame 1.
The supporting base frame 1 is of a cavity structure, locking holes are uniformly formed in the upper side wall of the supporting base frame 1 along the circumferential direction of the supporting base frame, a mounting plate 5 is arranged in the middle of the supporting base frame 1, a mounting cavity 6 is formed between the mounting plate 5 and the inner wall of the lower end of the supporting base frame 1, the section of the mounting cavity 6 is of an equilateral trapezoid structure, and mounting grooves are uniformly formed in the inclined edge of the mounting cavity 6 along the axial direction of the mounting cavity; the lower end face of the mounting cavity 6 is evenly provided with operation holes.
The locking device 3 comprises an arc driving frame 31 arranged in the mounting groove, the arc driving frame 31 is abutted against an execution locking plate 32, the execution locking plate 32 is fixed on the mounting plate 5 through a telescopic spring rod 34, an execution locking column 33 is arranged on the side wall of the execution locking plate 32, and the execution locking column 33 is located in the locking hole.
The arc driving frame 31 is provided with a stop 311 protruding outwards, the outer wall of the arc driving frame 31 abuts against the auxiliary rotating column 312, and the auxiliary rotating column 312 is mounted in the mounting groove through a bearing.
Execute locking post 33 and be hollow circular cone column structure, the upper and lower bilateral symmetry of executing locking post 33 has seted up the fixed orifices, be provided with fixed awl pole 331 through the sliding fit mode in the fixed orifices, the cover is equipped with the spring between the inner wall of fixed awl pole 331 and execution locking post 33, the symmetry is provided with the linkage groove on the execution locking post 33, the linkage inslot is provided with linkage frame 332 through the round pin axle, linkage frame 332 is located between two fixed awl poles 331 that set up from top to bottom, fixed awl pole 331 inserts inside the soil layer, can guarantee that fixed awl pole 331 can not become flexible when fixed.
Insert solid device 4 and include that the sliding support 41 who sets up in the inside of operation hole through sliding fit mode, sliding support 41 is hollow structure, and the cover is equipped with the spring between sliding support 41 and the outer wall that supports bed frame 1, and the lower extreme of sliding support 41 is equipped with inserts solid pipe 42, and sliding support 41 with insert solid pipe 42 and be the UNICOM structure, is provided with through sliding fit mode in sliding support 41 and supports to lean on post 43, evenly is provided with along its circumferential direction on sliding support 41 and inserts solid awl pole 44.
The inserting and fixing pipe 42 is of a conical structure, an inclined upward inverted insertion hole is uniformly formed in the inserting and fixing pipe 42, an inverted insertion rod 421 is arranged in the inverted insertion hole, the inverted insertion rod 421 is fixed on an inverted insertion frame 422, the inverted insertion frame 422 is fixed on the inner wall of the inserting and fixing pipe 42 through a guide spring rod 423, a rolling ball is arranged on the inverted insertion frame 422 through a bearing, the rolling ball is fixed on the abutting column 43, and the inverted insertion rod 421 can improve the stability of the supporting base frame 1 after being fixed.
The utility model discloses a rolling ball bearing, including support post 43, the lower extreme that supports post 43 is located the inside of inserting solid pipe 42, the lower extreme that supports post 43 is isosceles triangle structure, the left and right sides symmetry that supports post 43 is provided with the guide slot, be provided with guide telescopic link 431 in the guide slot, the lower extreme of guide telescopic link 431 is provided with the screens frame 432 that are used for restricting the rolling ball motion, screens frame 432 has played the effect of screens to the rolling ball, guide telescopic link 431 has played buffering and spacing effect during the rolling ball upward movement.
The construction method of the municipal road as shown in fig. 5 to 7 mainly comprises the following construction steps:
step one, treating a foundation pit, and excavating an installation pit with an inclined slope surface in a depression on a road surface by using an excavator to enable the bottom of the installation pit to be in a flat state.
And step two, hoisting and placing, namely placing the supporting base frame 1 into the mounting pit by using a crane, and keeping the upper end surface of the supporting base frame 1 in a horizontal state during placing.
Driving operation, namely moving the supporting base frame 1 in the second step at a constant speed of 3m/min by using an impact type road roller to enable the supporting base frame 1 placed in the installation pit and the upper surface of the installation pit to be kept in a horizontal state, and paving an anti-skid layer 2 on the supporting base frame 1;
step four, fixing operation.
Firstly, the bottom is fixed, the inserting and fixing pipe 42 is inserted into the soil layer at the bottom of the installation pit under the operation of external force, when the inserting and fixing pipe 42 cannot be inserted downwards, the sliding support 41 is controlled to contract upwards under the action of the spring, meanwhile, the inserting and fixing pipe 42 is driven to move upwards synchronously, the inverted inserting frame 422 on the inserting and fixing pipe 42 is supported towards two sides under the action of the abutting column 43, and therefore the inverted inserting rod 421 is driven to be obliquely and upwards inverted inserted into the soil layer so as to increase the stability of bottom fixing.
Meanwhile, circumference is fixed, when supporting pedestal 1 is placed downwards, the installation pit inner wall extrudes circular arc driving frame 31, circular arc driving frame 31 is controlled under the effect of external force and is executed locking post 33 and insert inside the soil layer in the installation pit, when linkage frame 332 in executing locking post 33 will pass the locking hole, linkage frame 332 is controlled under the extrusion of supporting pedestal 1 inner wall and is fixed taper rod post 331 and insert the soil layer all around in, increase the firm degree of support pedestal 1 is fixed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a town road, includes support bed frame (1), skid resistant course (2) have been laid to the up end of support bed frame (1), evenly are provided with locking device (3) along its circumference on the lateral wall of support bed frame (1), and the lower extreme of support bed frame (1) evenly is provided with inserts solid device (4), its characterized in that:
the supporting base frame (1) is of a cavity structure, locking holes are uniformly formed in the upper side wall of the supporting base frame (1) along the circumferential direction of the supporting base frame, a mounting plate (5) is arranged in the middle of the supporting base frame (1), a mounting cavity (6) is formed between the mounting plate (5) and the lower end inner wall of the supporting base frame (1), the section of the mounting cavity (6) is of an equilateral trapezoid structure, and mounting grooves are uniformly formed in the inclined edge of the mounting cavity (6) along the axial direction of the mounting cavity; the lower end surface of the mounting cavity (6) is uniformly provided with operation holes;
the locking device (3) comprises an arc driving frame (31) arranged in the mounting groove, the arc driving frame (31) abuts against the execution locking plate (32), the execution locking plate (32) is fixed on the mounting plate (5) through a telescopic spring rod (34), an execution locking column (33) is arranged on the side wall of the execution locking plate (32), and the execution locking column (33) is located in the locking hole;
insert solid device (4) and include sliding bracket (41) that set up in the operation hole inside through sliding fit, sliding bracket (41) are hollow structure, the cover is equipped with the spring between sliding bracket (41) and the outer wall that supports bed frame (1), the lower extreme of sliding bracket (41) is equipped with inserts solid pipe (42), sliding bracket (41) with insert solid pipe (42) and be the UNICOM structure, be provided with through sliding fit in sliding bracket (41) and lean on post (43), sliding bracket (41) are gone up and are evenly provided with along its circumference direction and insert solid taper rod (44).
2. A town road according to claim 1, wherein the arc driving rack (31) is provided with a stop (311) protruding outwards, and the outer wall of the arc driving rack (31) abuts against the auxiliary rotating post (312), and the auxiliary rotating post (312) is mounted in the mounting groove through a bearing.
3. The municipal road of claim 1, wherein the execution locking column (33) is a hollow cone-shaped structure, fixing holes are symmetrically formed in the upper side and the lower side of the execution locking column (33), a fixed conical rod column (331) is arranged in each fixing hole in a sliding fit mode, a spring is sleeved between each fixed conical rod column (331) and the inner wall of the execution locking column (33), linkage grooves are symmetrically formed in the execution locking column (33), linkage frames (332) are arranged in the linkage grooves through pin shafts, and each linkage frame (332) is located between two fixed conical rod columns (331) which are arranged up and down.
4. The municipal road of claim 1, wherein the insertion and fixation pipe (42) is of a conical structure, inverted insertion holes which incline upwards are uniformly formed in the insertion and fixation pipe (42), inverted insertion rods (421) are arranged in the inverted insertion holes, the inverted insertion rods (421) are fixed on an inverted insertion frame (422), the inverted insertion frame (422) is fixed on the inner wall of the insertion and fixation pipe (42) through guide spring rods (423), rolling balls are arranged on the inverted insertion frame (422) through bearings, and the rolling balls are fixed on the abutting columns (43).
5. The town road according to claim 1, wherein the upper end of the abutting column (43) is fixed on the mounting plate (5), the lower end of the abutting column (43) is positioned inside the insertion tube (42), the lower end of the abutting column (43) is in an isosceles triangle structure, guide grooves are symmetrically formed in the left side and the right side of the abutting column (43), a guide telescopic rod (431) is arranged in each guide groove, and a clamping frame (432) used for limiting the movement of the rolling balls is arranged at the lower end of each guide telescopic rod (431).
6. A method of constructing a municipal road according to any one of claims 1 to 5, wherein: the method mainly comprises the following construction steps:
step one, treating a foundation pit, and excavating an installation pit of an inclined slope surface in a hollow pit of a road surface by using an excavator to enable the bottom of the installation pit to be in a flat state;
secondly, hoisting and placing, namely placing the support base frame (1) mentioned in the claim 1 into an installation pit by using a crane, and keeping the upper end surface of the support base frame (1) in a horizontal state during placement;
driving operation, namely moving the supporting base frame (1) in the second step at a constant speed of 3m/min by using an impact type road roller to keep the supporting base frame (1) placed in the installation pit and the upper surface of the installation pit in a horizontal state, and paving an anti-skid layer (2) on the supporting base frame (1);
step four, fixing the operation,
firstly, the bottom is fixed, the inserting and fixing pipe (42) is inserted into a soil layer at the bottom of the installation pit under the operation of external force, when the inserting and fixing pipe (42) cannot be inserted downwards, the sliding support (41) is controlled to contract upwards under the action of the spring, meanwhile, the inserting and fixing pipe (42) is driven to move upwards synchronously, the inverted inserting frame (422) on the inserting and fixing pipe (42) is supported towards two sides under the action of the abutting column (43), and therefore the inverted inserting rod (421) is driven to be obliquely and upwards inverted inserted into the soil layer to increase the stability of bottom fixing;
simultaneously, circumference is fixed, when supporting bed frame (1) is placed downwards, the installation hole inner wall extrudees circular arc driving frame (31), circular arc driving frame (31) are inside the soil layer that locking post (33) inserted the installation hole is executed in the control under the effect of external force, when linkage frame (332) in the execution locking post (33) will pass the locking hole, linkage frame (332) control under the extrusion of supporting bed frame (1) inner wall in fixed taper rod post (331) insert the soil layer all around, increase the firm degree of stability fixed of supporting bed frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564916.2A CN110331635B (en) | 2019-06-27 | 2019-06-27 | Municipal road and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564916.2A CN110331635B (en) | 2019-06-27 | 2019-06-27 | Municipal road and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110331635A CN110331635A (en) | 2019-10-15 |
| CN110331635B true CN110331635B (en) | 2021-02-09 |
Family
ID=68143027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564916.2A Active CN110331635B (en) | 2019-06-27 | 2019-06-27 | Municipal road and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110331635B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696235B (en) * | 2023-08-09 | 2023-10-13 | 陕西中创卓安建设工程有限公司 | Drilling machine for highway construction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010143754A1 (en) * | 2009-06-08 | 2010-12-16 | Park Byeong-Su | Road marker having non-slip function |
| CN205934653U (en) * | 2016-08-16 | 2017-02-08 | 浙江绣山园林建设有限公司 | Garden art step moving walkways board |
| CN206752240U (en) * | 2017-03-17 | 2017-12-15 | 许军民 | A kind of crack on road ruggedized construction |
| CN107022939A (en) * | 2017-05-31 | 2017-08-08 | 成都绿能创客工业设计有限公司 | A kind of dyke road maintenance structure being easily installed |
| CN207582223U (en) * | 2017-12-08 | 2018-07-06 | 江西拜联胶粘剂有限公司 | The road emergency of town road fills out hole device |
| CN208748454U (en) * | 2018-08-29 | 2019-04-16 | 贡明明 | A kind of anti-skidding urban road structure |
-
2019
- 2019-06-27 CN CN201910564916.2A patent/CN110331635B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110331635A (en) | 2019-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110331635B (en) | Municipal road and construction method thereof | |
| CN218150940U (en) | Adjustable tunnel is first to be propped up and two lining supporting devices | |
| CN104278624B (en) | One uprises journey bridge pad | |
| CN108412223B (en) | Deviation correcting structure and deviation correcting method for horizontal locking broken column | |
| CN211849511U (en) | Slope protection building component | |
| CN116180766B (en) | Foundation pit supporting structure | |
| CN211571742U (en) | Passive energy dissipation protective structure of side slope | |
| CN210341519U (en) | Soft soil roadbed reinforcing device | |
| CN210049241U (en) | Subway civil engineering is with pulling out stake device | |
| CN116220089A (en) | Pile foundation reinforcing structure for road and bridge engineering | |
| CN206581158U (en) | A kind of high efficiency road moves sand-protecting barrier | |
| CN115288036A (en) | Installation device and construction method for swivel steel structure bridge support | |
| CN112064651B (en) | Collapse rock cushion energy dissipation protection device and construction method thereof | |
| CN211285104U (en) | Anti-settlement protection mechanism based on highway subgrade | |
| CN221052281U (en) | Construction is with temporarily building road | |
| WO2019080469A1 (en) | Box culvert carrying device for use in incremental launch construction | |
| CN209011029U (en) | The anti-probably explosion-proof type full-automatic lifting road pilework of one kind | |
| CN112813867A (en) | Highway deceleration strip for municipal works | |
| CN219241945U (en) | Waterproof board trolley moving structure convenient to maintain | |
| CN204125832U (en) | One uprises journey bridge pad | |
| CN206110015U (en) | Limit for height frame of protection bridge | |
| CN206034514U (en) | High -rise building thing reinforcing apparatus that rectifies | |
| CN211037230U (en) | Sewer well head warning device for traffic engineering | |
| CN220150062U (en) | Viscous damper shock-absorbing structure of expressway bridge | |
| CN211173370U (en) | Highway bridge construction foundation ditch protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 688, Wanfu street, Green Garden District, Changchun, Jilin Province Applicant after: Changchun urban construction and maintenance Group Co.,Ltd. Address before: No. 688, Wanfu street, Green Garden District, Changchun, Jilin Province Applicant before: CHANGCHUN URBAN CONSTRUCTION MAINTENANCE Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |