CN220151079U - Portable concrete enclosure device - Google Patents
Portable concrete enclosure device Download PDFInfo
- Publication number
- CN220151079U CN220151079U CN202321510886.5U CN202321510886U CN220151079U CN 220151079 U CN220151079 U CN 220151079U CN 202321510886 U CN202321510886 U CN 202321510886U CN 220151079 U CN220151079 U CN 220151079U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cardboard
- limiting
- shell
- clamping plate
- 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
- 230000000670 limiting effect Effects 0.000 claims description 58
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a portable concrete surrounding and protecting device which comprises a pile foundation body, wherein first clamping plates are arranged on the left sides of the front side and the rear side of the pile foundation body, second clamping plates are movably connected to the right sides of the opposite sides of the two first clamping plates, sliding rods are movably connected between inner cavities of the first clamping plates and the second clamping plates, sliding rails are fixedly connected to the two sides of the first clamping plates and the second clamping plates, protection plates are movably connected between the inner cavities of the two sliding rails, sliding grooves are formed in the front sides and the rear sides of the opposite sides of the two protection plates, and one side of each of the first clamping plates and one side of the second clamping plates is fixedly connected with a buffer assembly. According to the utility model, through the matched use of the pile foundation body, the first clamping plate, the second clamping plate, the sliding rod, the sliding rail, the protection plate, the sliding groove, the buffer component, the cover plate and the observation hole, the problems of complex operation and low working efficiency of the conventional enclosure device during use are solved.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a portable concrete surrounding device.
Background
The building construction refers to the production activity of engineering construction implementation stage, which is the construction process of various buildings, also can be said to be the process of changing various lines on a design drawing into real objects at a designated place, and comprises the steps of foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction and the like, wherein the place of construction operation is called a building construction site or a called construction site, and is also called a construction site.
The pile foundation is a deep foundation consisting of piles and pile caps connected with the tops of the piles or a single-column foundation connected with the piles by columns. The pile foundation construction process mainly comprises the steps of pile foundation setting, drilling by a drilling machine, drilling by the drilling machine, steel reinforcement cage descending, pipe casting installation, underwater concrete pouring and the like, and after pile foundation concrete pouring is completed, the unset pile foundation needs to be protected.
For example, application number: the utility model discloses a concrete casting enclosure device for pile foundation construction, which belongs to the technical field of concrete casting enclosure devices and comprises a foundation assembly, wherein the foundation assembly comprises a base plate, baffle plates I are arranged on the left side and the right side of the base plate, and baffle plates II are arranged on the front side and the rear side between the two baffle plates I; the stable connecting component comprises a limiting chute arranged at the top and the bottom of one side of a second baffle plate far away from the substrate, and a first plug post which is matched with the limiting chute is arranged at the left side and the right side in the limiting chute, through making the inserted column I on the baffle II get into the notch through the locating port, rethread inserted column II passes the through-hole on the inserted column I and makes baffle I and baffle II firm the link together, makes things convenient for this concrete casting envelope to carry out swift installation and swift dismantlement, reduces artifical intensity of labour, improves work efficiency.
Based on the retrieval of the above patent and the discovery of the equipment in the prior art, when the equipment is used, although the problem of complex disassembly and assembly of the traditional connection mode is solved, the body types of the existing pile foundations are different, so that the workers need to use plates with different sizes when carrying out enclosure on the pile foundations, and the workers can not quickly find the proper plates under the condition of tight construction period, thereby influencing the working efficiency.
The utility model relates to a portable concrete enclosure device, staff need use enclosure device to protect the pile foundation after the pile foundation is pour, but the size of current pile foundation is different, consequently, need use the panel of equidimension when the staff carries out the enclosure to the pile foundation, the staff probably can't be fast find suitable panel under the tighter circumstances of time limit for a project, thereby influence work efficiency, and traditional enclosure all is through panel connection one-tenth casing to the pile foundation enclosure, there is not any buffering, resistance to compression function, consequently, to above-mentioned problem, the utility model relates to an enclosure device with resistance to compression, be convenient for splice and adjustable function, can effectually carry out the enclosure to the pile foundation, and observe through the observation hole that sets up, the staff of being convenient for observes the hardening degree of pile foundation pouring cement, still can improve work efficiency greatly when providing convenience for the staff.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a portable concrete enclosure device which has the advantages of compression resistance, convenient splicing and adjustable function, and solves the problems of complex operation and low working efficiency of the existing enclosure device when in use.
The portable concrete surrounding and protecting device comprises a pile foundation body, wherein first clamping plates are arranged on the left sides of the front side and the rear side of the pile foundation body, second clamping plates are movably connected to the right sides of the opposite sides of the first clamping plates, sliding rods are movably connected between inner cavities of the first clamping plates and the second clamping plates, sliding rails are fixedly connected to the two sides of the first clamping plates and the second clamping plates, protection plates are movably connected between the inner cavities of the two sliding rails, sliding grooves are formed in the front side and the rear side of the opposite sides of the two protection plates, a buffer assembly is fixedly connected to one side of the first clamping plates and one side of the second clamping plates, cover plates are arranged on the opposite sides of the two protection plates, and observation holes are formed in the opposite sides of the two protection plates.
As the preferred utility model, the buffer component comprises a movable shell, one side of the movable shell is fixedly connected with a first clamping plate or a second clamping plate, the inner cavity of the movable shell is movably connected with a supporting rod through a shaft pin, the bottom of the surface of the supporting rod is movably connected with a limiting shell, the bottom of the inner cavity of the limiting shell is fixedly connected with a damper, the top of the damper is fixedly connected with the supporting rod, both sides of the limiting shell are provided with limiting holes, both sides of the supporting rod are fixedly connected with limiting blocks, the bottom of each limiting block is fixedly connected with a spring, the bottom of each spring is fixedly connected with a positioning seat, the top of each positioning seat is fixedly connected with a limiting rod, the surface of each limiting rod is movably connected with the inner cavity of each limiting block, both opposite sides of each positioning seat are fixedly connected with the limiting shell, and the bottom of each limiting shell is movably connected with a fixing seat through the shaft pin.
As the preferable mode of the utility model, the surface of the fixing seat is provided with a positioning hole, and the inner cavity of the positioning hole is movably connected with a positioning cone.
As the preferable mode of the utility model, the surface of the damper is sleeved with the fixing ring, and the top of the fixing ring is fixedly connected with the bottom of the inner cavity of the limiting shell.
As the preferable mode of the utility model, the top and the bottom of the movable shell are fixedly connected with connecting plates, and one side of the connecting plates, which is close to the first clamping plate or the second clamping plate, is fixedly connected with the first clamping plate or the second clamping plate.
As the preferable mode of the utility model, the opposite sides of the two sliding rails are fixedly connected with reinforcing strips, and one sides of the reinforcing strips, which are close to the first clamping plate or the second clamping plate, are fixedly connected with the first clamping plate or the second clamping plate.
As the preferable mode of the utility model, the front side and the rear side of the cover plate, which are close to one side of the protection plate, are fixedly connected with sliding blocks, and the surfaces of the sliding blocks are movably connected with the inner cavity of the sliding groove.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the matched use of the pile foundation body, the first clamping plate, the second clamping plate, the sliding rod, the sliding rail, the protection plate, the sliding groove, the buffer component, the cover plate and the observation hole, the problems of complex operation and low working efficiency of the conventional enclosure device during use are solved.
2. According to the utility model, through the matched use of the movable shell, the supporting rod, the limiting shell, the damper, the limiting block, the spring, the positioning seat, the limiting rod and the fixed seat, when a worker needs to carry out enclosure on a pile foundation body, the first clamping plate and the second clamping plate are firstly adjusted to the required length through the sliding rod and then are attached to one side of the pile foundation body, then the protection plate is inserted between the inner cavities of the two sliding rails, so that an object is formed to enclose the pile foundation body, when an unexpected phenomenon occurs in the hardening process of the pile foundation body, the pressure is extruded towards the first clamping plate and the second clamping plate, the movable shell can enable the supporting rod to extrude towards the inside of the limiting shell through the shaft pin of the inner cavity, so that the damper is contracted, the buffer is buffered, meanwhile, the supporting rod also drives the limiting block to extrude towards the spring, so that the pressure is further buffered, and when the limiting shell is installed, the worker can insert the positioning cone into the inner cavity of the fixed seat and position the limiting shell into soil, after a period of time, the worker can take out the cover plate from the inner cavity of the sliding groove, so that the observation hole is used for knowing the hardening degree of the pile foundation body, and the positioning cone is realized, and the positioning cone is arranged, when the positioning cone is used for setting, the positioning ring is fixedly connected with the inner cavity through the fixed ring or the fixed connecting plate, and the fixed connecting plate is fixedly connected with the inner cavity through the first clamping plate.
3. According to the utility model, the reinforcing strip is fixedly connected with the first clamping plate or the second clamping plate, so that the fixing effect on the sliding rail is achieved, and the sliding block is movably connected with the inner cavity of the sliding groove, so that the limiting effect on the cover plate is achieved.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating the structural disassembly provided by an embodiment of the present utility model;
fig. 3 is a schematic cross-sectional view of a buffer assembly according to an embodiment of the present utility model.
In the figure: 1. pile foundation body; 2. a first clamping plate; 3. a second clamping plate; 4. a slide bar; 5. a slide rail; 6. a protection plate; 7. a chute; 8. a buffer assembly; 801. a movable case; 802. a support rod; 803. a limit shell; 804. a damper; 805. a limiting block; 806. a spring; 807. a positioning seat; 808. a limit rod; 809. a fixing seat; 810. positioning cone; 811. a fixing ring; 812. a connecting plate; 9. a cover plate; 10. an observation hole; 11. reinforcing strips; 12. a sliding block.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the portable concrete surrounding device provided by the embodiment of the utility model comprises a pile foundation body 1, wherein first clamping plates 2 are respectively arranged on the left sides of the front side and the rear side of the pile foundation body 1, second clamping plates 3 are respectively and movably connected on the right sides of the opposite sides of the two first clamping plates 2, sliding rods 4 are respectively and movably connected between inner cavities of the first clamping plates 2 and the second clamping plates 3, sliding rails 5 are respectively and fixedly connected on the two sides of the first clamping plates 2 and the second clamping plates 3, protection plates 6 are respectively and movably connected between inner cavities of the two sliding rails 5, sliding grooves 7 are respectively and fixedly connected on the front side and the rear side of the opposite sides of the two protection plates 6, buffer assemblies 8 are respectively and fixedly connected on the opposite sides of one of the first clamping plates 2 and the second clamping plates 3, cover plates 9 are respectively arranged on the opposite sides of the two protection plates 6, and observation holes 10 are respectively formed on the opposite sides of the two protection plates 6.
Referring to fig. 1, fig. 2 and fig. 3, the buffer assembly 8 includes a movable shell 801, one side of the movable shell 801 is fixedly connected with a first clamping plate 2 or a second clamping plate 3, the inner cavity of the movable shell 801 is movably connected with a supporting rod 802 through a shaft pin, the bottom of the surface of the supporting rod 802 is movably connected with a limiting shell 803, the bottom of the inner cavity of the limiting shell 803 is fixedly connected with a damper 804, the top of the damper 804 is fixedly connected with the supporting rod 802, both sides of the limiting shell 803 are provided with limiting holes, both sides of the supporting rod 802 are fixedly connected with a limiting block 805, the bottom of the limiting block 805 is fixedly connected with a spring 806, the bottom of the spring 806 is fixedly connected with a positioning seat 807, the top of the positioning seat 807 is fixedly connected with a limiting rod 808, the surface of the limiting rod 808 is movably connected with the inner cavity of the limiting block 805, one side opposite to the two positioning seats 807 is fixedly connected with the limiting shell 803 through a fixing seat through a shaft pin, the surface of the limiting shell 809 is provided with a positioning cone 810, the surface of the damper 804 is sleeved with a fixing ring 811, the top of the fixing ring 811 is fixedly connected with the bottom of the inner cavity 801 of the limiting shell 803, both sides of the positioning seat 801 are fixedly connected with the top of the limiting shell 801 and the first clamping plate 2 or the second clamping plate 3 are fixedly connected with the first clamping plate 2 or the second clamping plate 3.
The scheme is adopted: through the cooperation of the movable shell 801, the support rod 802, the limit shell 803, the damper 804, the limit block 805, the spring 806, the positioning seat 807, the limit rod 808 and the fixed seat 809, when a worker needs to enclose the pile foundation body 1, the first clamping plate 2 and the second clamping plate 3 are firstly adjusted to the required length through the sliding rod 4 and then attached to one side of the pile foundation body 1, and then the protection plate 6 is inserted between the inner cavities of the two sliding rails 5, so that an object is formed to enclose the pile foundation body 1, when an unexpected phenomenon occurs in the hardening process of the pile foundation body 1, the pressure is extruded towards the first clamping plate 2 and the second clamping plate 3, then the movable shell 801 can extrude the support rod 802 towards the inside of the limit shell 803 through the shaft pin of the inner cavity, so that the damper 804 is contracted, thereby buffering extrusion force, meanwhile, the supporting rod 802 also drives the limiting block 805 to extrude to the spring 806, thereby further buffering pressure, and when the limiting shell 803 is installed by a worker, the locating cone 810 can be inserted into the inner cavity of the fixing seat 809 and inserted into soil to locate the limiting shell 803, after a period of time is enclosed, the worker can take out the cover plate 9 from the inner cavity of the chute 7, thereby knowing the hardening degree of the pile foundation body 1 through the observation hole 10, the fixing seat 809 is located by arranging the locating cone 810, the fixing seat 809 is fixed by arranging the fixing ring 811, the fixing ring 811 is fixedly connected with the bottom of the inner cavity of the limiting shell 803, the fixing effect of the damper 804 is achieved, and the fixing plate 812 is fixedly connected with the first clamping plate 2 or the second clamping plate 3 by arranging the connecting plate 812, thereby fixing the movable shell 801.
Referring to fig. 1 and 2, reinforcing strips 11 are fixedly connected to opposite sides of the two sliding rails 5, one side, close to the first clamping plate 2 or the second clamping plate 3, of the reinforcing strips 11 is fixedly connected with the first clamping plate 2 or the second clamping plate 3, sliding blocks 12 are fixedly connected to the front side and the rear side, close to the protection plate 6, of the cover plate 9, and the surfaces of the sliding blocks 12 are movably connected with an inner cavity of the sliding groove 7.
The scheme is adopted: through setting up reinforcement strip 11, reinforcement strip 11 and first cardboard 2 or second cardboard 3 fixed connection have played the fixed action to slide rail 5, through setting up slider 12, slider 12 and the inner chamber swing joint of spout 7 have played the spacing effect to apron 9.
The working principle of the utility model is as follows:
when in use, when a worker needs to enclose the pile foundation body 1, the first clamping plate 2 and the second clamping plate 3 are firstly adjusted to the required length through the sliding rod 4 and then attached to one side of the pile foundation body 1, then the protection plate 6 is inserted between the inner cavities of the two sliding rails 5, so that an object is formed to enclose the pile foundation body 1, when an unexpected phenomenon occurs in the hardening process of the pile foundation body 1, the pressure is extruded to the first clamping plate 2 and the second clamping plate 3, then the movable shell 801 enables the supporting rod 802 to extrude to the inside of the limiting shell 803 through the shaft pin of the inner cavity, so that the damper 804 is contracted, the extrusion force is buffered, meanwhile, the supporting rod 802 also drives the limiting block 805 to extrude to the spring 806, so that the further pressure is buffered, and when the worker installs the limiting shell 803, the positioning cone 810 is inserted into the inner cavity of the fixed seat 809 and inserted into soil, after a period of time, the worker can take out the cover plate 9 from the inner cavity of the sliding groove 7, so that the hardening degree of the pile foundation body 1 is obtained through the observation hole 10, and further the problems of the existing enclosing device that the operation is complicated in use efficiency is low are solved.
To sum up: this portable concrete encloses protects device through setting up pile foundation body 1, first cardboard 2, second cardboard 3, slide bar 4, slide rail 5, guard plate 6, spout 7, buffer assembly 8, apron 9 and the cooperation of observing hole 10 and use, has solved current enclosure and has been operated loaded down with trivial details, the problem of work efficiency low when using.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a portable concrete encloses protects device, includes pile foundation body (1), its characterized in that: the pile foundation body (1) front side all is provided with first cardboard (2) with the left side of rear side, two the equal swing joint in right side on one side opposite of first cardboard (2) has second cardboard (3), swing joint has slide bar (4) between the inner chamber of first cardboard (2) and second cardboard (3), the equal fixedly connected with slide rail (5) in both sides of first cardboard (2) and second cardboard (3), two swing joint has guard plate (6) between the inner chamber of slide rail (5), two spout (7) have all been seted up to the front side and the rear side on one side opposite of guard plate (6), one of them equal fixedly connected with buffer assembly (8) on one side of first cardboard (2) and second cardboard (3), two guard plate (6) opposite one side all is provided with apron (9), two observation hole (10) have all been seted up on one side opposite of guard plate (6).
2. A portable concrete enclosure as claimed in claim 1, wherein: the buffer assembly (8) comprises a movable shell (801), one side of the movable shell (801) is fixedly connected with a first clamping plate (2) or a second clamping plate (3), an inner cavity of the movable shell (801) is movably connected with a supporting rod (802) through a shaft pin, the bottom of the surface of the supporting rod (802) is movably connected with a limiting shell (803), the bottom of the inner cavity of the limiting shell (803) is fixedly connected with a damper (804), the top of the damper (804) is fixedly connected with the supporting rod (802), limiting holes are formed in two sides of the limiting shell (803), limiting blocks (805) are fixedly connected to the bottoms of the two sides of the supporting rod (802), springs (806) are fixedly connected to the bottoms of the limiting blocks (805), limiting rods (808) are fixedly connected to the tops of the limiting rods (808), the surfaces of the limiting rods (808) are movably connected with the inner cavities of the limiting blocks (805), one side, opposite to the side of the limiting shell (803) is fixedly connected with the limiting shell (803), and the bottoms of the limiting blocks (803) are movably connected with the fixing blocks (803).
3. A portable concrete enclosure as claimed in claim 2, wherein: the surface of the fixing seat (809) is provided with a positioning hole, and an inner cavity of the positioning hole is movably connected with a positioning cone (810).
4. A portable concrete enclosure as claimed in claim 3, wherein: the surface of the damper (804) is sleeved with a fixing ring (811), and the top of the fixing ring (811) is fixedly connected with the bottom of the inner cavity of the limiting shell (803).
5. A portable concrete enclosure as claimed in claim 4, wherein: the top and the bottom of activity shell (801) all fixedly connected with connecting plate (812), one side that connecting plate (812) is close to first cardboard (2) or second cardboard (3) all with first cardboard (2) or second cardboard (3) fixed connection.
6. A portable concrete enclosure as claimed in claim 1, wherein: two opposite sides of the sliding rail (5) are fixedly connected with reinforcing strips (11), and one side, close to the first clamping plate (2) or the second clamping plate (3), of each reinforcing strip (11) is fixedly connected with the first clamping plate (2) or the second clamping plate (3).
7. A portable concrete enclosure as claimed in claim 1, wherein: the front side and the rear side of the cover plate (9) close to one side of the protection plate (6) are fixedly connected with sliding blocks (12), and the surfaces of the sliding blocks (12) are movably connected with the inner cavity of the sliding groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510886.5U CN220151079U (en) | 2023-06-14 | 2023-06-14 | Portable concrete enclosure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510886.5U CN220151079U (en) | 2023-06-14 | 2023-06-14 | Portable concrete enclosure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151079U true CN220151079U (en) | 2023-12-08 |
Family
ID=89008531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321510886.5U Active CN220151079U (en) | 2023-06-14 | 2023-06-14 | Portable concrete enclosure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151079U (en) |
-
2023
- 2023-06-14 CN CN202321510886.5U patent/CN220151079U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220151079U (en) | Portable concrete enclosure device | |
| CN211816474U (en) | Narrow foundation pit excavation simulation and test system in hypergravity field | |
| CN112302414B (en) | Safety protection device for building engineering and use method thereof | |
| CN212612550U (en) | Water conservancy construction cofferdam device | |
| CN115762314B (en) | Assembled section of jurisdiction tunnel structure destruction device under simulated cross fault strong shock effect | |
| CN217027117U (en) | Long and narrow type foundation pit supporting structure with multiple miniature piles | |
| CN214301783U (en) | Civil engineering foundation pit slope protection structure | |
| CN214272061U (en) | Foundation pit supporting structure | |
| CN212477746U (en) | Be used for civil engineering with fender pile underground structure supporting device | |
| CN212052851U (en) | Foundation reinforcing structure for ancient building foundation in soft soil area | |
| CN210315574U (en) | Portable supporting equipment | |
| CN218293072U (en) | Detachable reinforced fence net with windproof and anti-toppling structure | |
| CN206376568U (en) | Close on the interim support replacement of subway ultra-deep foundation pit mid-board | |
| CN220666238U (en) | Combined support body for earthwork | |
| CN210086776U (en) | Telescopic movable scaffold | |
| LU500778B1 (en) | Device for Determining Fracture Toughness of Soil by Self-weight and Use Method thereof | |
| CN220686836U (en) | Protective net for building safety engineering | |
| CN215254774U (en) | Civil building construction foundation pit safety device | |
| CN220620691U (en) | Combined wallboard for building design | |
| CN114875847B (en) | Be used for hydraulic building side slope strutting arrangement | |
| CN217500231U (en) | Spandrel girder foundation ditch excavation device for bridge construction | |
| CN213683514U (en) | But civil aviation construction is with quick assembly disassembly's net encloses support | |
| CN218952369U (en) | Novel sewage open caisson adopting basic dry pile drilling method | |
| CN219364646U (en) | Foundation pit supporting and protecting structure | |
| CN217252470U (en) | Quick ligature device of steel reinforcement cage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |