CN113663441A - Green construction equipment of overpass dust fall noise control - Google Patents
Green construction equipment of overpass dust fall noise control Download PDFInfo
- Publication number
- CN113663441A CN113663441A CN202010409561.2A CN202010409561A CN113663441A CN 113663441 A CN113663441 A CN 113663441A CN 202010409561 A CN202010409561 A CN 202010409561A CN 113663441 A CN113663441 A CN 113663441A
- Authority
- CN
- China
- Prior art keywords
- dust
- noise
- settling
- fixedly connected
- preventing
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 title claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000000694 effects Effects 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/08—Spray cleaning with rotary nozzles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a dust-settling and noise-preventing green construction device for a viaduct, which relates to the field of dust-settling and noise-preventing and comprises a base, wherein a dust-settling and noise-preventing box is fixedly connected to the top of the base, a containing tank is arranged at the top of the dust-settling and noise-preventing box, a rotating shaft is rotatably connected to the bottom of the inner wall of the containing tank, a rotating plate is fixedly connected to the top end of the rotating shaft, a gear ring is fixedly sleeved on the outer wall of the rotating shaft, a rack is meshed and connected to one side of the gear ring, a connecting block is fixedly connected to one side of the rack, a first telescopic rod is fixedly connected to one side of the connecting block, and a first air cylinder is slidably sleeved at one end of the first telescopic rod. According to the dust-settling and noise-preventing device, the gear ring and the rack are arranged, the external switch of the first air cylinder is turned on, the first air cylinder drives the rack to move through the first telescopic rod, so that the gear ring is driven to rotate, the gear ring drives the rotating plate and the dust-settling device to rotate through the rotating shaft, the rotation of the dust-settling and noise-preventing device is achieved, and the working range of the dust-settling and noise-preventing device is enlarged.
Description
Technical Field
The invention relates to the field of dust fall and noise prevention, in particular to dust fall and noise prevention green construction equipment for a viaduct.
Background
Viaducts are generally bridges spanning deep canyons to replace highways and bridges spanning roads in urban bridges, and particularly, bridges which are laid on a series of narrow reinforced concrete or masonry arches, have high-support towers or pillars, span valleys, rivers, roads or other low obstacles, are congested after cities develop, have dense buildings and are difficult to widen streets, and traffic density can be evacuated by using the bridges to improve transportation efficiency.
Viaduct can produce dust and noise at the in-process of carrying out the construction, the dust can influence constructor's healthy, the noise can influence near village people's life, in order to reduce dust and noise to engineering and peripheral influence, generally can use noise control dust fall equipment, noise control dust fall equipment utilizes the principle of spraying dust fall to carry out the dust fall mostly, it has fine effect to the accuse dust fall of large-scale open range, but noise control dust fall equipment is fixed the setting mostly at present, perhaps the spraying only can be at small amplitude within range angle of adjustment, the dust fall area is less, dust fall work on a large scale can't be satisfied, the limitation is great.
Disclosure of Invention
The invention aims to provide dust-settling and noise-preventing green construction equipment for a viaduct, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a green construction equipment of overpass dust fall noise control, includes the base, the top fixedly connected with dust fall noise control case of base, the holding tank has been seted up at the top of dust fall noise control case, the bottom of holding tank inner wall is rotated and is connected with the pivot, the top fixedly connected with rotor plate of pivot, the top symmetry of rotor plate is equipped with the fixed plate, one side of fixed plate is rotated and is connected with the dust fall ware, the bottom of dust fall ware is equipped with rotating assembly, the outer wall of pivot is fixed to cup joint has the ring gear, one side meshing of ring gear is connected with the rack, one side fixedly connected with connecting block of rack, the first telescopic link of one side fixedly connected with of connecting block, first cylinder has been cup jointed in the one end slip of first telescopic link, one side of first cylinder and one side fixed connection of holding tank inner wall.
Preferably, the rotating assembly comprises a sliding groove, the sliding groove is formed in the top of the rotating plate, a sliding block is sleeved on the inner cavity of the sliding groove in a symmetrical sliding mode, a first transmission rod is hinged to the top of the sliding block, a supporting block is hinged to one end of the first transmission rod, one side of the supporting block is fixedly connected with the bottom of the dust collector, a placing groove is formed in the top of the rotating plate and one side of the rotating plate, which is located on the sliding groove, the inner cavity of the placing groove is provided with a transmission assembly, and the placing groove is communicated with the sliding groove.
Preferably, the transmission assembly comprises a second cylinder, one end of the second cylinder is fixedly connected with one side of the inner wall of the placing groove, a second telescopic rod is sleeved at the output end of the second cylinder in a sliding mode, a second transmission rod is hinged to one end of the second telescopic rod, and one end of the second transmission rod is hinged to one side of the sliding block.
Preferably, the two sides of the top of the dust-settling and noise-preventing box are symmetrically provided with noise-reducing grooves, the two sides of the inner wall of each noise-reducing groove are symmetrically provided with T-shaped sliding grooves, inner cavities of the T-shaped sliding grooves are slidably sleeved with T-shaped sliding blocks, one side of each T-shaped sliding block is fixedly connected with a movable plate, and one side of each movable plate is rotatably connected with a noise-reducing plate.
Preferably, one side of fly leaf just is located the below of falling the board of making an uproar and has seted up the screw hole, the inner wall threaded connection of screw hole has the fitting pin, one side and the T type spout activity joint that one end of fitting pin runs through T type slider.
Preferably, the top of base and the one side fixedly connected with push rod that is located dust fall noise control case, the top of base and the opposite side that is located dust fall noise control case are equipped with locating component.
Preferably, the locating component comprises a U-shaped rod, one end of the U-shaped rod penetrates through the limiting plate fixedly connected with the top of the base, and a plurality of limiting rods are distributed at equal intervals at the bottom of the limiting plate.
Preferably, the outer wall of U type pole is surely located the top of base and is equipped with the retaining member, the outer wall of U type pole is equipped with the screw thread layer, the inner wall of retaining member and the outer wall threaded connection on screw thread layer.
Preferably, the bottom equidistance of base distributes and has four support columns, the top of support column and the bottom fixed connection of base, the bottom fixedly connected with universal wheel of support column.
Preferably, the dust fall device, the first cylinder and the second cylinder are respectively electrically connected with an external power supply through an external switch.
The invention has the technical effects and advantages that:
(1) according to the dust-settling and noise-preventing device, the gear ring and the rack are arranged, the first cylinder drives the rack to move through the first telescopic rod by opening the external switch of the first cylinder, so that the gear ring is driven to rotate, the gear ring drives the rotating plate and the dust-settling device to rotate through the rotating shaft, the rotation of the dust-settling and noise-preventing device is realized, and the working range of the dust-settling and noise-preventing device is enlarged;
(2) according to the invention, the first transmission rod and the second transmission rod are arranged, and the first transmission rod, the second transmission rod and the sliding block move, so that the dust-settling device can rotate in the vertical direction, and the working range of the dust-settling and noise-preventing device is enlarged;
(3) according to the invention, by means of the arrangement of the limiting plate and the limiting rod, when the dust-fall noise-prevention equipment needs to be fixed at a specific position, force is applied to insert the limiting rod on the limiting plate into the soil, so that the position of the dust-fall noise-prevention equipment is fixed.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure view of the limiting plate of the invention.
Fig. 3 is a schematic sectional structure view of the dust-settling noise-control box of the present invention.
Fig. 4 is a schematic view of the top side of the rotating plate according to the present invention.
Fig. 5 is a schematic side sectional view of the dust-settling noise-preventing box of the present invention.
FIG. 6 is an enlarged view of a portion A of FIG. 1 according to the present invention.
In the figure: 1. a base; 2. a dust-settling and noise-preventing box; 3. a rotating shaft; 4. a rotating plate; 5. a fixing plate; 6. a dust fall device; 7. a gear ring; 8. a rack; 9. connecting blocks; 10. a first telescopic rod; 11. a first cylinder; 12. a chute; 13. a slider; 14. a first drive lever; 15. a support block; 16. a second cylinder; 17. a second telescopic rod; 18. a second transmission rod; 19. a T-shaped chute; 20. a T-shaped slider; 21. a movable plate; 22. a noise reduction plate; 23. a locking bolt; 24. a push rod; 25. a U-shaped rod; 26. a limiting plate; 27. a limiting rod; 28. a locking member; 29. a support pillar; 30. a universal wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a dust-settling and noise-preventing green construction device for viaducts as shown in figures 1-6, which comprises a base 1, wherein a dust-settling and noise-preventing box 2 is fixedly connected to the top of the base 1 and is a main body of the dust-settling and noise-preventing device, a containing groove is formed in the top of the dust-settling and noise-preventing box 2, a rotating shaft 3 is rotatably connected to the bottom of the inner wall of the containing groove and is a prerequisite for the rotation of a rotating plate 4, a rotating plate 4 is fixedly connected to the top end of the rotating shaft 3, a fixing plate 5 is symmetrically arranged on the top of the rotating plate 4 and is used for installing a dust-settling device 6, the dust-settling device 6 is rotatably connected to one side of the fixing plate 5, a rotating assembly is arranged at the bottom of the dust-settling device 6 and is used for rotating the dust-settling device 6 in the vertical direction so as to achieve the purpose of enlarging the working range, the rotating assembly is composed of a sliding groove 12, the sliding groove 12 is formed in the top of the rotating plate 4, and a sliding block 13 is symmetrically sleeved in the inner cavity of the sliding groove 12, two sliders 13 move in opposite directions or in opposite directions, so that a first transmission rod 14 moves to drive the dust remover 6 to rotate in the vertical direction, the top of each slider 13 is hinged with a first transmission rod 14, one end of each first transmission rod 14 is hinged with a supporting block 15, one side of each supporting block 15 is fixedly connected with the bottom of the dust remover 6, a placing groove is formed in the top of each rotating plate 4 and located on one side of the corresponding chute 12, a transmission assembly is arranged in an inner cavity of each placing groove and used for driving the sliders 13 to move in opposite directions, each transmission assembly is composed of a second air cylinder 16, an external switch of the second air cylinder 16 is turned on, the second air cylinder 16 drives a second transmission rod 18 to move through a second telescopic rod 17, the second transmission rod 18 drives the sliders 13 to move in the chutes 12, so that the first transmission rods 14 move to enable the dust remover 6 to achieve the purpose of rotating in the vertical direction, one end of each second air cylinder 16 is fixedly connected with one side of the inner wall of each placing groove, the output end of the second air cylinder 16 is sleeved with a second telescopic rod 17 in a sliding manner, one end of the second telescopic rod 17 is hinged with a second transmission rod 18, one end of the second transmission rod 18 is hinged with one side of a sliding block 13, the placing groove is communicated with the sliding groove 12, the outer wall of the rotating shaft 3 is fixedly sleeved with a gear ring 7, one side of the gear ring 7 is meshed with a rack 8, the lengths of the first telescopic rod 10 and the rack 8 can maximally enable the gear ring 7 to rotate by one hundred eighty degrees, so that the rotating angle of the dust-settling device 6 is always smaller than one hundred eighty degrees, one side of the rack 8 is fixedly connected with a connecting block 9, one side of the connecting block 9 is fixedly connected with a first telescopic rod 10, one end of the first telescopic rod 10 is sleeved with a first air cylinder 11 in a sliding manner, an external switch of the first air cylinder 11 is opened, the first air cylinder 11 drives the rack 8 to move through the first telescopic rod 10, so that the gear ring 7 and the dust-settling device 6 rotate, and the horizontal rotation of the dust-settling device 6 is realized, one side of the first cylinder 11 is fixedly connected with one side of the inner wall of the accommodating groove;
noise reduction grooves are symmetrically arranged on two sides of the top of the dust-settling noise-proof box 2, T-shaped sliding grooves 19 are symmetrically arranged on two sides of the inner wall of each noise reduction groove, a T-shaped sliding block 20 is slidably sleeved in an inner cavity of each T-shaped sliding groove 19, a movable plate 21 is fixedly connected to one side of each T-shaped sliding block 20, a noise reduction plate 22 is rotatably connected to one side of each movable plate 21, an upward force is applied to the noise reduction plate 22, and the noise reduction plate is moved upward by the movable plate 21 and the T-shaped slider 20, and when moved to a proper position, the locking bolt 23 is rotated, the vertical positions of the movable plate 21 and the noise reduction plate 22 are fixed, and the noise reduction plate 22 can be rotated to form a certain angle with the movable plate 21, in order to achieve the best noise reduction effect, a threaded hole is formed in one side of the movable plate 21 and below the noise reduction plate 22, a locking bolt 23 is connected to the inner wall of the threaded hole in a threaded manner, and one end of the locking bolt 23 penetrates through one side of the T-shaped sliding block 20 and is movably clamped with the T-shaped sliding groove 19;
a push rod 24 is fixedly connected to the top of the base 1 and one side of the dust-fall noise-proof box 2, so that a user can conveniently apply force to push the dust-fall noise-proof equipment, a positioning assembly is arranged at the top of the base 1 and the other side of the dust-fall noise-proof box 2 and used for fixing the position of the dust-fall noise-proof equipment, the positioning assembly comprises a U-shaped rod 25, the U-shaped rod 25 plays a limiting role besides a connecting role on a limiting plate 26, one end of the U-shaped rod 25 penetrates through the top of the base 1 and is fixedly connected with the limiting plate 26, a downward acting force is applied to the limiting plate 26, the limiting rod 27 is inserted into the soil, so that the position of the dust-fall noise-proof equipment is fixed, a plurality of limiting rods 27 are equidistantly distributed at the bottom of the limiting plate 26, a locking member 28 is arranged above the base 1 by cutting the outer wall of the U-shaped rod 25, and the locking member 28 is rotated to the thread layer to fix the positions of the limiting plate 26 and the limiting rods 27, retaining member 28 makes with screw thread layer threaded connection, and gag lever post 27 has broken away from ground, and the outer wall of U type pole 25 is equipped with the screw thread layer, and the inner wall of retaining member 28 and the outer wall threaded connection on screw thread layer, the bottom equidistance of base 1 distributes and has four support columns 29, plays the supporting role, the top of support column 29 and base 1's bottom fixed connection, the bottom fixedly connected with universal wheel 30 of support column 29, and convenient to use person removes dust fall noise control equipment.
The working principle of the invention is as follows:
when the dust-settling and noise-preventing device needs to work, the dust-settling and noise-preventing device is moved to a specific position through the push rod 24 and the universal wheel 30 arranged at the bottom of the base 1, then a downward acting force is applied to the limiting plate 26, the limiting plate 26 drives the limiting rod 27 to be inserted into the ground, the position of the dust-settling and noise-preventing device is fixed, then an upward acting force is applied to the noise-reducing plate 22, the noise-reducing plate 22 moves upwards through the movable plate 21 and the T-shaped slide block 20, after the noise-reducing device moves to a proper position, the locking bolt 23 is rotated to fix the positions of the movable plate 21 and the noise-reducing plate 22 in the vertical direction, the noise-reducing plate 22 can be rotated to form a certain angle with the movable plate 21 so as to achieve the best noise-reducing effect, then the external switch of the dust-settling device 6 is opened, the dust-settling device 6 starts to work, when the dust-settling device 6 needs to rotate in the horizontal direction, open the external switch of first cylinder 11, first cylinder 11 drives the motion of rack 8 through first telescopic link 10, thereby make ring gear 7 and dust fall ware 6 rotate, when the ascending rotation of the vertical direction that needs dust fall ware 6 to go on, open the external switch of second cylinder 16, second cylinder 16 drives the motion of second transfer line 18 through second telescopic link 17, make two sliders 13 carry out the motion in opposite directions and drive the motion of first transfer line 14, thereby make dust fall ware 6 can take place the ascending rotation of vertical direction, increase its working range.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a green construction equipment of overpass dust fall noise control, includes base (1), its characterized in that: the dust-settling noise-preventing box is characterized in that a dust-settling noise-preventing box (2) is fixedly connected to the top of the base (1), a containing groove is formed in the top of the dust-settling noise-preventing box (2), a rotating shaft (3) is rotatably connected to the bottom of the inner wall of the containing groove, a rotating plate (4) is fixedly connected to the top end of the rotating shaft (3), a fixing plate (5) is symmetrically arranged on the top of the rotating plate (4), a dust-settling device (6) is rotatably connected to one side of the fixing plate (5), a rotating assembly is arranged at the bottom of the dust-settling device (6), a gear ring (7) is fixedly sleeved on the outer wall of the rotating shaft (3), a rack (8) is meshed and connected to one side of the gear ring (7), a connecting block (9) is fixedly connected to one side of the rack (8), a first telescopic rod (10) is fixedly connected to one side of the connecting block (9), and a first air cylinder (11) is slidably sleeved to one end of the first telescopic rod (10), one side of first cylinder (11) and one side fixed connection of holding tank inner wall.
2. The viaduct dust-settling noise-preventing green construction equipment according to claim 1, characterized in that: the rotating assembly comprises a sliding groove (12), the sliding groove (12) is arranged at the top of the rotating plate (4), a sliding block (13) is sleeved on the inner cavity of the sliding groove (12) in a symmetrical sliding mode, a first transmission rod (14) is hinged to the top of the sliding block (13), a supporting block (15) is hinged to one end of the first transmission rod (14), one side of the supporting block (15) is fixedly connected with the bottom of the dust remover (6), a placing groove is formed in the top of the rotating plate (4) and one side of the sliding groove (12), a transmission assembly is arranged in the inner cavity of the placing groove, and the placing groove is communicated with the sliding groove (12).
3. The viaduct dust-settling noise-preventing green construction equipment according to claim 2, characterized in that: the transmission assembly comprises a second air cylinder (16), one end of the second air cylinder (16) is fixedly connected with one side of the inner wall of the placing groove, a second telescopic rod (17) is sleeved at the output end of the second air cylinder (16) in a sliding mode, one end of the second telescopic rod (17) is hinged to a second transmission rod (18), and one end of the second transmission rod (18) is hinged to one side of the sliding block (13).
4. The viaduct dust-settling noise-preventing green construction equipment according to claim 1, characterized in that: the dust fall noise control case (2) the bilateral symmetry at top has seted up and has fallen the groove of making an uproar, T type spout (19) have been seted up to the bilateral symmetry of the inslot wall of making an uproar, T type slider (20) have been cup jointed in the inner chamber of T type spout (19) slip, one side fixedly connected with fly leaf (21) of T type slider (20), one side of fly leaf (21) is rotated and is connected with and falls board (22) of making an uproar.
5. The viaduct dust-settling noise-preventing green construction equipment according to claim 4, characterized in that: one side of fly leaf (21) and the below that is located noise reduction board (22) set up threaded hole, the inner wall threaded connection of screw hole has a fitting bolt (23), one side and the T type spout (19) activity joint that T type slider (20) were run through to the one end of fitting bolt (23).
6. The viaduct dust-settling noise-preventing green construction equipment according to claim 1, characterized in that: the dust-fall anti-noise box is characterized in that a push rod (24) is fixedly connected to one side of the top of the base (1) and located on the dust-fall anti-noise box (2), and a positioning assembly is arranged on the other side of the top of the base (1) and located on the dust-fall anti-noise box (2).
7. The viaduct dust-settling noise-preventing green construction equipment according to claim 6, characterized in that: the locating component comprises a U-shaped rod (25), one end of the U-shaped rod (25) penetrates through a limiting plate (26) fixedly connected to the top of the base (1), and a plurality of limiting rods (27) are distributed at equal intervals at the bottom of the limiting plate (26).
8. The viaduct dust-settling noise-preventing green construction equipment according to claim 7, characterized in that: the top that the outer wall of U type pole (25) surely is located base (1) is equipped with retaining member (28), the outer wall of U type pole (25) is equipped with the screw thread layer, the inner wall of retaining member (28) and the outer wall threaded connection on screw thread layer.
9. The viaduct dust-settling noise-preventing green construction equipment according to claim 1, characterized in that: the bottom equidistance of base (1) distributes and has four support columns (29), the top of support column (29) and the bottom fixed connection of base (1), the bottom fixedly connected with universal wheel (30) of support column (29).
10. The viaduct dust-settling noise-preventing green construction equipment according to claim 1, characterized in that: the dust fall device (6), the first cylinder (11) and the second cylinder (16) are respectively electrically connected with an external power supply through external switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409561.2A CN113663441A (en) | 2020-05-14 | 2020-05-14 | Green construction equipment of overpass dust fall noise control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409561.2A CN113663441A (en) | 2020-05-14 | 2020-05-14 | Green construction equipment of overpass dust fall noise control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113663441A true CN113663441A (en) | 2021-11-19 |
Family
ID=78537432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010409561.2A Pending CN113663441A (en) | 2020-05-14 | 2020-05-14 | Green construction equipment of overpass dust fall noise control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113663441A (en) |
-
2020
- 2020-05-14 CN CN202010409561.2A patent/CN113663441A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210032534U (en) | Civil engineering construction support | |
| CN112681879A (en) | Construction is with enclosing fender | |
| CN210483130U (en) | Strutting arrangement is used in civil engineering construction | |
| CN213779041U (en) | Civil engineering measuring device | |
| CN113663441A (en) | Green construction equipment of overpass dust fall noise control | |
| CN113154991A (en) | New civil engineering is with sunken high accuracy measuring device in level land | |
| CN216641339U (en) | Civil engineering construction support | |
| CN213539639U (en) | Civil engineering construction support | |
| CN114923081A (en) | Multi-angle mapping device for building engineering | |
| CN211351491U (en) | Line strutting arrangement for municipal works | |
| CN110126079B (en) | Cement pier pouring device for bridge building | |
| CN214168836U (en) | Warning device convenient to move and fix for constructional engineering | |
| CN214510338U (en) | Drawing display device for civil engineering | |
| CN220889638U (en) | Support arrangement for civil engineering is with strutting arrangement | |
| CN111716562A (en) | Concrete wall drilling equipment for building engineering | |
| CN217379796U (en) | Civil engineering troweling device | |
| CN111941232B (en) | Civil engineering is with portable's high accuracy equipment of polishing | |
| CN216587302U (en) | Height-adjustable prefabricated reinforced concrete wallboard | |
| CN219011520U (en) | Civil engineering concrete embedded part | |
| CN212779211U (en) | Intelligent engineering building construction quality levelness detector | |
| CN216947758U (en) | Municipal administration road cement concrete pavement construction is with strutting template | |
| CN216042846U (en) | Early-dismantling supporting device for house civil engineering | |
| CN213086635U (en) | Adjustable road and bridge height limiting device | |
| CN214783390U (en) | Warning device for civil engineering construction | |
| CN214884564U (en) | Civil engineering split type building earthquake-resistant structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211119 |