CN107245927B - Pavement of road pre-installs constructing structure and its construction method - Google Patents
Pavement of road pre-installs constructing structure and its construction method Download PDFInfo
- Publication number
- CN107245927B CN107245927B CN201710551301.7A CN201710551301A CN107245927B CN 107245927 B CN107245927 B CN 107245927B CN 201710551301 A CN201710551301 A CN 201710551301A CN 107245927 B CN107245927 B CN 107245927B
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Classifications
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- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
- E01C19/522—Apparatus for laying the elements by rolling or unfolding, e.g. for temporary pavings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a kind of pavement of road to pre-install constructing structure, including prepackage conveying device, pick up preassembling device, prepackage cement plate, Level tune plate and horizontal measurement plate, by the present invention in that with precast slab Rapid-Repair, it is easy to operate, temporary repair can be carried out before no progress is thoroughly repaired, guarantee the safe passing of vehicle and pedestrian, reduce security risk, meanwhile, reduce construction cost, accelerate construction period, reducing Construction on Environment influences.It is suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of pavement of road prepackage constructing structure, belongs to technical field of civil engineering.
Background technique
With Rural Urbanization Construction, more and more hamlet trails are substituted by spacious clean and tidy cement pavement, but water
Road face will appear damage in the long-term use, when part location is damaged, be bound to repair damage location
It mends, common cast-in-place concrete mode, production efficiency is low, and labor intensive stock number is big, long construction period, and cast in situs is mixed
The solidifying raw noise of local products, sewage, the environmental pollutions such as waste material.
It discloses the concrete of High anti bending strength a kind of as Publication No. CN105064160A is disclosed and pre-installs road, including four
A prefabricated board, prefabricated board are concrete prefabricated board, and the two sides of the prefabricated board are provided with the hole for placing steel strand wires, phase
It is connected between adjacent prefabricated board by steel strand wires;Steel hinge line diameter is 15.50mm, and four sides of the prefabricated board, which are respectively provided with, to be had
The hole of steel strand wires is placed, is connected between adjacent prefabricated board by steel strand wires;Four prefabricated boards are using steel hinge line and by prefabricated
Steel connecting plate waits forming a road surface unit on the outside of plate;Prefabricated board between adjacent is also equipped with connection bond structure, described
Connection bond structure includes mutually matched shearing resistance convex key and shearing resistance concave key, convenient transportation of the present invention, quick for installation, according to road deck
Plate is divided into multiple types and model by short side and the ratio of long side, to guarantee that road deck is not sent out under heavy-duty vehicle repeated action
Raw fracture, breakage between plate and plate at linkage interface, are provided with several anti-shearing connecting keys of positioning.
For another example a kind of scour and abrasion resistant concrete of Publication No. CN105113352 A pre-installs road, including, four prefabricated boards,
The two sides of the prefabricated board are provided with the hole for placing steel strand wires, are connected between adjacent prefabricated board by steel strand wires;
Steel hinge line diameter is 14.50mm, and four sides of the prefabricated board are respectively provided with the hole for placing steel strand wires, adjacent prefabricated board
Between pass through steel strand wires connect;Four prefabricated boards are using steel hinge line and wait forming one by steel connecting plate on the outside of prefabricated board
Road surface unit;Prefabricated board between adjacent is also equipped with connection bond structure, and the connection bond structure includes mutually matched anti-
Convex key and shearing resistance concave key are cut, the material of prefabricated board is cement, flyash, sand, water, nylon fiber, barium nitrate, lignin sulfonic acid
Calcium, carborundum powder, sepiolite powder, alumina silicate fibre, gypsum.
After existing cement pavement damage, due to the inconvenience of poured in place concrete, the measure generally taken all is
The equal widened stage for having to repair of succeeding ranges, then start to repair, it damages the road that do not repair and waits coming very greatly to driving safety
Hidden danger.
Summary of the invention
In view of the above deficiencies, the invention of this reality provides a kind of pavement of road prepackage constructing structure and its construction method, this hair
It is bright by using precast slab Rapid-Repair, it is easy to operate, temporary repair can be carried out before no progress is thoroughly repaired,
Reduce security risk, reduce construction cost, accelerate construction period, reducing Construction on Environment influences.
The specific technical solution that the present invention mentions is as follows:
Pavement of road pre-installs constructing structure, including prepackage conveying device and pickup preassembling device, the prepackage conveying device
Including bottom plate one, the bottom plate one is equipped with sliding slot one, is equipped on the sliding slot one and at first returns the sliding of sliding in sliding slot
Support platform, the sliding support platform are equipped with loop wheel machine one, and also storage needs to be pre-installed cement plate and level on the bottom plate one
Adjustable plate, the Level tune plate includes horizonal base plate, is equipped with screw, the screw on four angles of the horizonal base plate
Loading nut is above covered, is additionally provided with reflecting plate on the horizonal base plate；
The pickup preassembling device includes bottom plate two, and sliding slot two, the installation of lock screw mechanism are equipped on the bottom plate two
Bottom plate three is erected on sliding slot two, and is controlled lock screw mechanism and moved back and forth in parallel on sliding slot two, the lock screw mechanism packet
The rotating base being mounted on bottom plate three is included, mechanical arm one is installed on the rotating base, the mechanical arm one is equipped with length
Regulating valve is spent, length adjustment valve front end connects screw locking machine tool hand by cylinder, and the screw locking machine tool hand is for adjusting
The screw being placed on the Level tune plate for placing outlet port, placement outlet top two sides are additionally provided with screw rod mounting rack
One, screw rod one is installed on the screw rod mounting rack one, movable plate is installed on the screw rod one, is controlled by lead screw motor one
It makes the movable plate to move on screw rod one, the movable plate side is equipped with boom, and the boom will pick up preassembling device
Cement plate and Level tune plate to be pre-installed on interim lodging bench successively pre-installed, picked up to outlet position is placed by amplifier
The screw rod two being additionally provided on device through the control movement of lead screw motor two is taken, is installed on the screw rod two by loop wheel machine fixed plate
There is loop wheel machine two, placement outlet top is additionally provided with steel wire rope reeling and releasing machine, and the steel wire rope reeling and releasing machine lifts horizontal measurement plate,
The steel wire rope reeling and releasing machine includes fixed arm, passes through two connecting steel wire ropes support frame of connector, the steel wire on the fixed arm
Motor one is installed, the motor one controls winding drum rotation, is wound with wirerope on the winding drum on rope support frame；
Further, the loop wheel machine one and loop wheel machine two are the identical loop wheel machine of structure, and the loop wheel machine includes rotating base two, the rotation
Rotating electric machine one is installed, the rotating electric machine one controls mechanical arm two and moves, and two front end of mechanical arm is equipped on pedestal two
Wiring mechanism is wound with the wirerope of connecting shackle in the wiring mechanism；
Further, the horizontal measurement plate includes level board, is equipped on four angles of the level board and Level tune
The set matched mounting hole of screw on plate quadrangle, the mounting hole side are equipped with rangefinder, are equipped with steel among the level board
Cord connector.
Pavement of road pre-installs constructing structure construction technology, includes the following steps:
1) hand fit's excavating machinery excavates, and the road surface of damage is excavated, and cutouts is arranged smooth；
2) conveying device will be pre-installed and pick up preassembling device amplifier to road surface position to be onstructed, preassembling device will be picked up
Placement outlet be placed in the upper pavement surface excavated, loop wheel machine one will pre-install the cement plate to be pre-installed in conveying device and level
Adjustable plate 7 is transferred to respectively on the interim lodging bench for picking up preassembling device；
3) Level tune plate is moved on boom by loop wheel machine two, and the boom is controlled on screw rod one by lead screw motor one
Level tune plate is transferred to placement and exported on corresponding road surface to be onstructed by movement；
4) steel wire rope reeling and releasing machine is moved up and down by folding and unfolding wirerope, controlled level measurement plate vertical direction, and level is surveyed
The mounting hole of template is sleeved on the screw of Level tune plate, by the horizontal position deviation of stadia surveying horizontal measurement plate,
Then, steel wire rope reeling and releasing machine recycles wirerope and horizontal measurement plate is hung Level tune plate；
5) lock screw mechanism is adjusted by position of the screw locking machine tool hand to the nut on screw, adjusts horizontal miss
Difference makes the nut on four angles of Level tune plate be ultimately at the same horizontal position；
6) cement plate to be pre-installed is transferred on boom by loop wheel machine two, and cement plate to be pre-installed is transferred in placement outlet by boom
Wirerope on steel wire rope reeling and releasing machine, is manually connected to wait pre-install on cement plate, passes through steel wire rope reeling and releasing machine folding and unfolding steel wire by side
Rope, cement plate to be pre-installed is mounted on Level tune plate, completes installation.
The invention has the advantages that by the present invention in that with precast slab Rapid-Repair, it is easy to operate, can not have
Having progress, thoroughly repairing carries out temporary repair before, guarantees the safe passing of vehicle and pedestrian, reduces security risk, meanwhile,
Construction cost is reduced, construction period is accelerated, reducing Construction on Environment influences.It is suitble to promote the use of.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the top view of pavement of road prepackage constructing structure of the present invention；
Fig. 2 is the structural schematic diagram that the present invention picks up preassembling device 3；
Fig. 3 is the structural schematic diagram of present invention prepackage output device 2；
Fig. 4 is the structural schematic diagram of loop wheel machine 5 of the present invention；
Fig. 5 is the structural schematic diagram of horizontal measurement plate 85 of the present invention；
Fig. 6 is the structural schematic diagram of Level tune plate 7 of the present invention；
Fig. 7 is the structural schematic diagram of lock screw mechanism 33 and steel wire rope reeling and releasing machine 39 of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.Road
Pre-install constructing structure, including prepackage conveying device 2 and pickup preassembling device 3, the prepackage conveying device 2 in road road surface
Including bottom plate 1, the bottom plate 1 is equipped with sliding slot 1, is equipped on sliding slot 1 back and forth on the sliding slot 1
The sliding support platform 23 of sliding, the sliding support platform 23 are equipped with loop wheel machine one, and also storage needs on the bottom plate 1
Cement plate 6 and Level tune plate 7 are pre-installed, the effect of loop wheel machine one is will the mobile placement of cement plate 6 and Level tune plate 7 be pre-installed
Onto pickup preassembling device 3.The Level tune plate 7 includes horizonal base plate 72, is all provided on four angles of the horizonal base plate 72
There is screw 71, loading nut 73 is covered on the screw 71, is additionally provided with reflecting plate 74 on the horizonal base plate 72；
The pickup preassembling device 3 includes bottom plate 2 31, is equipped with sliding slot 2 32, lock screw mechanism on the bottom plate 2 31
33 mounting base 3 331 is erected on sliding slot 2 32, and controls the parallel reciprocal fortune on sliding slot 2 32 of lock screw mechanism 33
Dynamic, the lock screw mechanism 33 includes the rotating base 332 being mounted on bottom plate 3 331, is installed on the rotating base 332
There is mechanical arm 1, the mechanical arm 1 is equipped with length adjustment valve 334, and 334 front end of length adjustment valve passes through gas
Cylinder 335 connects screw locking machine tool hand 336, the length of the 334 controllable adjustable mechanical arm 1 of length adjustment valve, the gas
Cylinder 335 controls screw locking machine tool hand 336 and the screw on Level tune plate 7 is adjusted.
The screw locking machine tool hand 336 is used to adjust the screw on the Level tune plate 7 for being placed in and placing 9 positions of outlet
71, the placement exports 9 top two sides and is additionally provided with screw rod mounting rack 1, is equipped with silk on the screw rod mounting rack 1
Bar 1 is equipped with movable plate 35 on the screw rod 1, controls the movable plate 35 in screw rod one by lead screw motor 1
It is moved on 34,35 side of movable plate is equipped with boom 351, and the boom 351 will pick up the interim storage of preassembling device 3
Successively amplifier is pre-installed, is picked up to 9 positions of outlet are placed for cement plate to be pre-installed 6 and Level tune plate 7 on platform 38
It is additionally provided with the screw rod 2 37 by the control movement of lead screw motor two on device 3, is pacified on the screw rod 2 37 by loop wheel machine fixed plate
Equipped with loop wheel machine two, the loop wheel machine two is controlled by lead screw motor two and is moved back and forth on screw rod 2 37, will 6 He of cement plate be pre-installed
Level tune plate 7 is sling respectively to be placed on boom.9 top of placement outlet is additionally provided with steel wire rope reeling and releasing machine 39, the steel
Cord radio and tape player 39 lifts horizontal measurement plate 8, and the steel wire rope reeling and releasing machine 39 includes fixed arm 391, on the fixed arm 391
By two connecting steel wire ropes support frame 393 of connector, motor 1, the electricity are installed on the wirerope support frame 393
Machine 1 controls winding drum rotation, is wound with wirerope 395 on the winding drum.
The loop wheel machine one and loop wheel machine two are the identical loop wheel machine 5 of structure, and the loop wheel machine 5 includes rotating base 2 51, the rotation
Turn that rotating electric machine 1 is installed on pedestal 2 51, the rotating electric machine 1 controls mechanical arm 2 53 and moves, the mechanical arm
2 53 front ends are equipped with wiring mechanism 54, and the wirerope 55 of connecting shackle 56 is wound in the wiring mechanism 54；Wirerope 55 has
Four, each wirerope 55 is all connected with suspension hook 56 below, and when construction, suspension hook 56 is manually separately mounted to cement to be pre-installed
It, will the either movement of Level tune plate 7 of cement plate 6 be pre-installed by loop wheel machine 5 on either four angles of Level tune plate 7 of plate 6
To designated position, it is in order to which mobile process is more reliable that four wirerope 55, which fix four angles,.
Horizontal measurement plate 8 includes level board, be equipped on four angles of the level board with 7 four jiaos of Level tune plate on institute
If the matched mounting hole 83 of screw, 83 side of mounting hole is equipped with rangefinder 82, is equipped with wirerope among the level board
Connector 81.395 connector 81 of wirerope on wirerope connection level board on steel wire rope reeling and releasing machine 39, passes through folding and unfolding steel
Level board is installed on Level tune plate 7 by cord 395, by the reflecting plate on 82 sensation level adjustable plate 7 of rangefinder, is obtained
7 horizontal position of Level tune plate is taken, Level tune plate 7 is adjusted, until horizontal measurement plate 8 is in a horizontal position, is removed
Then cement plate 6 to be pre-installed is shifted elsewhere for garrison duty to pre-installing on Level tune plate 7 by horizontal measurement plate 8.
Pavement of road pre-installs constructing structure construction technology, includes the following steps:
1) hand fit's excavating machinery excavates, and the road surface of damage is excavated, and cutouts is arranged smooth；
2) conveying device 2 will be pre-installed and pick up 3 amplifier of preassembling device to road surface position to be onstructed, prepackage will be picked up and filled
The placement outlet 9 for setting 3 is placed in the upper pavement surface excavated, and loop wheel machine one will pre-install the cement plate to be pre-installed 6 in conveying device 2
It is transferred to respectively with Level tune plate 7 on the interim lodging bench 38 for picking up preassembling device 3；
3) Level tune plate 7 is moved on boom 351 by loop wheel machine two, and the boom 351 is controlled by lead screw motor one
It is moved on screw rod one, Level tune plate 7 is transferred on 9 corresponding road surfaces to be onstructed of placement outlet；
4) steel wire rope reeling and releasing machine 39 is moved up and down by folding and unfolding wirerope 395,8 vertical direction of controlled level measurement plate, will
The mounting hole 83 of horizontal measurement plate 8 is sleeved on the screw of Level tune plate 7, measures horizontal measurement plate 8 by rangefinder 82
Horizontal position deviation, then, steel wire rope reeling and releasing machine 39 recycle wirerope 395 and horizontal measurement plate 8 are hung Level tune plate 7；
5) lock screw mechanism 33 is adjusted by position of the screw locking machine tool hand 336 to the nut 73 on screw 71, is adjusted
Whole horizontal error makes the nut 73 on 7 four angles of Level tune plate be ultimately at the same horizontal position；6) loop wheel machine two will be to pre-
Dress cement plate 6 is transferred on boom 351, and cement plate 6 to be pre-installed is transferred to placement outlet top by boom 351, manually by steel wire
Wirerope 395 on rope reeling and releasing machine 39 is connected on cement plate 6 to be pre-installed, and passes through 39 folding and unfolding wirerope of steel wire rope reeling and releasing machine
395, cement plate 6 to be pre-installed is mounted on Level tune plate 7, installation is completed.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the range of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change the attached claims limit and determine spirit and scope of the invention in, one
The innovation and creation using present inventive concept are cut in the column of protection.
Claims (2)
1. pavement of road pre-installs constructing structure, including prepackage conveying device (2) and pickup preassembling device (3), it is characterised in that:
The prepackage conveying device (2) includes bottom plate one (21), and bottom plate one (21) is equipped with sliding slot one (22), the sliding slot one
(22) the sliding support platform (23) to slidably reciprocate on sliding slot one (22) is installed, on the sliding support platform (23) on
Equipped with loop wheel machine one, also storage needs to be pre-installed cement plate (6) and Level tune plate (7), the horizontal tune on the bottom plate one (21)
Saving plate (7) includes horizonal base plate (72), is equipped with screw (71) on four angles of the horizonal base plate (72), the screw (71)
Loading nut (73) above are covered, are additionally provided with reflecting plate (74) on the horizonal base plate (72)；
The pickup preassembling device (3) includes bottom plate two (31), and sliding slot two (32) is equipped on the bottom plate two (31), locks screw
The mounting base three (331) of mechanism (33) is erected on sliding slot two (32), and controls lock screw mechanism (33) in sliding slot two (32)
Upper parallel reciprocating motion, the lock screw mechanism (33) includes the rotating base (332) being mounted on bottom plate three (331), described
Mechanical arm one (333) is installed, the mechanical arm one (333) is equipped with length adjustment valve (334), institute on rotating base (332)
It states length adjustment valve (334) front end and passes through cylinder (335) connection screw locking machine tool hand (336), the screw locking machine tool hand (336)
For adjusting the screw (71) on the Level tune plate (7) for being placed in and placing outlet (9) position, placement outlet (9) top
Two sides are additionally provided with screw rod mounting rack one (341), and screw rod one (34), the screw rod are equipped on the screw rod mounting rack one (341)
Movable plate (35) are installed on one (34), the movable plate (35) is controlled on screw rod one (34) by lead screw motor one (36)
Movement, movable plate (35) side are equipped with boom (351), and the boom (351) will pick up temporarily depositing for preassembling device (3)
Putting cement plate to be pre-installed (6) and Level tune plate (7) on platform (38), successively amplifier is carried out to outlet (9) position is placed
Prepackage, is additionally provided with the screw rod two (37) by the control movement of lead screw motor two on pick device (3), on the screw rod two (37)
Loop wheel machine two is installed by loop wheel machine fixed plate, is additionally provided with steel wire rope reeling and releasing machine (39), the steel above the placement outlet (9)
Cord radio and tape player (39) lifts horizontal measurement plate (8), and the steel wire rope reeling and releasing machine (39) includes fixed arm (391), the fixation
Pass through two connecting steel wire ropes support frame (393) of connector on arm (391), motor is installed on the wirerope support frame (393)
One (394), motor one (394) the control winding drum rotate, and are wound with wirerope (395) on winding drum.
2. the construction method of pavement of road prepackage constructing structure as described in claim 1, which is characterized in that including walking as follows
It is rapid:
1) hand fit's excavating machinery excavates, and the road surface of damage is excavated, and cutouts is arranged smooth；
2) conveying device (2) will be pre-installed and pick up preassembling device (3) amplifier to road surface position to be onstructed, prepackage dress will be picked up
The placement outlet (9) for setting (3) is placed in the upper pavement surface excavated, and loop wheel machine one will pre-install the water to be pre-installed on conveying device (2)
Mud plate (6) and Level tune plate (7) are transferred to respectively on the interim lodging bench (38) for picking up preassembling device (3)；
3) Level tune plate (7) is moved on boom (351) by loop wheel machine two, and the boom (351) is controlled by lead screw motor one
It is moved on screw rod one, Level tune plate (7) is transferred on the corresponding road surface to be onstructed in placement outlet (9)；
4) steel wire rope reeling and releasing machine (39) is moved up and down by folding and unfolding wirerope (395), controlled level measurement plate (8) vertical direction,
The mounting hole (83) of horizontal measurement plate (8) is sleeved on the screw of Level tune plate (7), is measured by rangefinder (82) horizontal
The horizontal position deviation of measurement plate (8), then, steel wire rope reeling and releasing machine (39) recycling wirerope (395) hang horizontal measurement plate (8)
From Level tune plate (7)；
5) lock screw mechanism (33) is adjusted by position of the screw locking machine tool hand (336) to the nut (73) on screw (71)
Section adjusts horizontal error, the nut (73) on (7) four angles of Level tune plate is made to be ultimately at the same horizontal position；
6) cement plate (6) to be pre-installed is transferred on boom (351) by loop wheel machine two, and boom (351) will cement plate (6) transfer be pre-installed
To outlet top is placed, manually the wirerope (395) on steel wire rope reeling and releasing machine (39) is connected on cement plate to be pre-installed (6),
By steel wire rope reeling and releasing machine (39) folding and unfolding wirerope (395), cement plate (6) to be pre-installed is mounted on Level tune plate (7), it is complete
At installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551301.7A CN107245927B (en) | 2017-07-07 | 2017-07-07 | Pavement of road pre-installs constructing structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551301.7A CN107245927B (en) | 2017-07-07 | 2017-07-07 | Pavement of road pre-installs constructing structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN107245927A CN107245927A (en) | 2017-10-13 |
| CN107245927B true CN107245927B (en) | 2019-07-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111893844B (en) * | 2018-05-14 | 2022-11-08 | 杜春 | Use method of road pavement preassembly device |
| CN110820505A (en) * | 2019-09-02 | 2020-02-21 | 中冶天工集团有限公司 | Concrete pavement joint cutting device, manufacturing method and construction method |
| CN113776717B (en) * | 2021-11-10 | 2022-02-08 | 山东省交通科学研究院 | Effective prestress detection equipment for steel strand inside hollow plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3418926A1 (en) * | 1983-06-06 | 1985-11-21 | Rudolf 8034 Germering Aumiller | DEPTH STOP AND MOVABLE SUSPENSION FOR THE MULTIPLE LAYING PLIERS FOR CONCRETE BLOCKS |
| CN1086566A (en) * | 1990-02-16 | 1994-05-11 | 中国人民解放军89001部队 | Mechanized road surface equipment |
| EP1325987B1 (en) * | 2000-08-01 | 2004-12-15 | Aplicaciones Especiales de Ingenieria Civil, S.A. (APLES) | Device for opening narrow trenches and placing matching prefabricated elements |
| CN2510530Y (en) * | 2001-09-24 | 2002-09-11 | 邱志华 | Road-face slotter |
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Effective date of registration: 20190627 Address after: 435000 No. 700, Yanhu Road, West SEI Shan, Huangshi, Hubei Applicant after: China No. 15 Metallurgical Construction Group Co., Ltd. Address before: 242200 five village, Yang Tan Town, Guangde County, Xuancheng, Anhui Applicant before: Hua Yanni |
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