CN114753409A - Prefabricated assembly component for electric power well and construction method of prefabricated assembly component - Google Patents
Prefabricated assembly component for electric power well and construction method of prefabricated assembly component Download PDFInfo
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- CN114753409A CN114753409A CN202210512446.7A CN202210512446A CN114753409A CN 114753409 A CN114753409 A CN 114753409A CN 202210512446 A CN202210512446 A CN 202210512446A CN 114753409 A CN114753409 A CN 114753409A
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000004567 concrete Substances 0.000 claims description 15
- 238000009417 prefabrication Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011372 high-strength concrete Substances 0.000 claims description 4
- 241001233242 Lontra Species 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 2
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000009412 basement excavation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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Abstract
The invention relates to the technical field of electric power well construction, in particular to an electric power well prefabricated assembly and a construction method thereof, wherein the assembly comprises a prefabricated plate, a side wall and an embedded part, and the assembly has the beneficial effects that: through the electric power well hoisting construction method adopting the assembly type, the assembly is quick, the implementation operation is simple, the long-time exposure of a foundation pit is avoided, the potential safety hazard is reduced, the position of the stay cord is limited by the cooperation of the lifting ring and the spring, the fracture caused by the excessive deformation of the stay cord due to the excessive gravity of the prefabricated bottom plate is avoided, and the hoisting safety is improved.
Description
Technical Field
The invention relates to the technical field of electric power well construction, in particular to an electric power well prefabricated assembly and a construction method thereof.
Background
When the power cable line and the related control lines are laid outdoors and underground, in order to reduce the difficulty of cable laying and avoid the friction and damage of the cable at a corner position, cable wells are required to be arranged at straight line sections and corner positions which are generally not more than 50 meters for overhauling the power cable line and the related control lines after cable laying construction and completion.
The traditional cast-in-place concrete cable well construction needs to be provided with temporary roads for commercial concrete, reinforcing steel bars and other main materials to transport heavy vehicles to run, site conditions such as reinforcing steel bars, templates, support material storage yards and processing yards, and conditions such as demonstration, foundation pit monitoring and the like are carried out on the implementation scheme according to the excavation depth and exposure time of the foundation pit. Therefore, how to reduce the requirements of the cable well construction on site conditions and shorten the cable well construction period is an urgent need for ensuring the safety and reducing the cost of the cable well construction at present.
The side wall is only fixed by concrete at the bottom when the side wall is poured, so that the side wall is inclined easily when backfilled, and lateral extrusion force to the side wall is easily generated along with lateral extrusion of soil.
Disclosure of Invention
The invention aims to provide a prefabricated assembly component of an electric power well and a construction method thereof, and aims to solve the problems of convenient assembly of the electric power well and side wall support strength.
In order to achieve the purpose, the invention provides the following technical scheme:
an electric power well prefabrication assembly, said assembly comprising:
the device comprises precast slabs, wherein a water collecting well which is sunken downwards is arranged in the middle of the precast bottom plate, four groups of hanging rings which are distributed in a circumferential array mode are arranged at an upper end port of the water collecting well, pouring cups are arranged on the left side and the right side of the upper end of each precast slab, and cup mouth grooves with conical inner cavities are vertically arranged in the pouring cups;
The side wall is vertically hung in the cup groove, a rough layer is arranged on the side wall at the lower end of the side wall, and a pouring layer made of concrete is poured in the cup groove;
the embedded part is I-shaped and comprises a top plate positioned in a cup groove, a vertical plate vertically poured in the prefabricated plate and a bottom plate horizontally embedded in the prefabricated plate, a lifting frame is vertically sleeved on the outer wall of the vertical plate in a sliding mode, side walls are pressed on the upper end face of the top plate in a pressing mode, an upper rotating plate and a lower rotating plate are respectively rotatably installed on two sides of the top plate and the bottom plate, the end portion of the upper rotating plate is obliquely pressed on a rough layer, and the lower rotating plate is pressed on the outer wall of the lower end of the lifting frame in a pressing mode.
Preferably, the outer wall of the lower end of the lifting frame is provided with an inclined chamfer surface, and the end part of the lower rotating plate abuts against the inclined chamfer surface.
Preferably, the lateral wall of the cup groove transversely runs through and is provided with a through hole, the outer wall of the upper rotating plate is provided with a traction rope, the traction rope extends to the outer side of the pouring basin along the through hole, and the end part of the traction rope is provided with a pull ring.
Preferably, the upper end of the top plate is symmetrically provided with second hinged supports, the upper end of the bottom plate is provided with a first hinged support, the upper rotating plate is rotatably installed on the second hinged supports, and the lower rotating plate is rotatably installed on the first hinged supports.
Preferably, the upper end port of sump pit is provided with the apron, vertically in the inner chamber of sump pit be provided with prefabricated bottom plate integrative pouring fashioned concrete column, the centre fixed mounting of apron has the connecting block, the lower extreme of connecting block is fixed on the concrete column, the vertical pole setting of upper end vertical connection of connecting block.
Preferably, the middle section of the vertical rod is slidably sleeved with a lifting ring, the upper end of the lifting ring is provided with a limiting ring fixed on the outer wall of the vertical rod, the upper end of the vertical rod is provided with a pulling plate, a spring is arranged between the lifting ring and the limiting ring, and the spring is sleeved on the vertical rod.
Preferably, four groups of through holes distributed in a circumferential array are formed in the limiting ring, hanging rings corresponding to the through holes and the hanging rings one to one are arranged on the outer wall of the lifting ring, the hanging rings are connected with the hanging rings through different pull ropes, the upper ends of the pull ropes penetrate through the limiting ring and the pull plate, and the pull plate is connected with the hanging rings through pull ropes.
Preferably, the front end of the lifting frame is rotatably provided with a fastening screw in a threaded manner, and the fastening screw is pressed on the vertical plate in a pressing manner.
Preferably, the lower rotating plate and the upper rotating plate are mesh plates woven by steel bars, and the pouring layer penetrates through the through hole, the lower rotating plate and the upper rotating plate.
A construction method implemented according to the prefabricated assembly component of the power well comprises the following steps:
pre-embedding the embedded part, namely pre-embedding the embedded part in a pouring mold of the prefabricated plate, and adjusting the height of the lifting frame to ensure that the end part of the lower rotating plate is dripped on the outer wall of the lower end of the lifting frame;
hoisting and mounting, namely, hoisting and mounting the prefabricated slab by connecting a hoisting ring with hoisting equipment;
hoisting the side wall, namely vertically inserting the side wall into the cup groove by hoisting, before hoisting, enabling the upper rotating plate to incline outwards under the action of a pull ring and a traction rope, and pressing the side wall on the top plate;
pouring and fixing, and loosening the traction rope to enable the end part of the upper rotating plate to be abutted against the rough layer, and pouring a pouring layer prepared by high-strength concrete into the cup groove.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the assembly type electric power well hoisting construction method, the assembly is quick, the implementation and operation are simple, the long-time exposure of a foundation pit is avoided, the potential safety hazard is reduced, the position of the stay cord is limited by the matching of the lifting ring and the spring, the fracture caused by excessive deformation of the stay cord due to overlarge gravity of the prefabricated bottom plate is avoided, and the hoisting safety is improved;
Through the built-in fitting that has the commentaries on classics board that sets up to utilize down the commentaries on classics board to realize carrying out the slope support to built-in fitting both sides intensity, improve the intensity of built-in fitting, utilize the slope support of last commentaries on classics board to reach the slope support to side wall lower extreme outer wall simultaneously, under the fixed prerequisite of concrete placement, further improved the support intensity of side wall lower extreme, avoid the side wall slope, improved the structural stability of assembled electric power well.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a side wall hoisting structure of the present invention;
FIG. 3 is a schematic view of a three-dimensional pouring structure of an embedded part according to the present invention;
FIG. 4 is a schematic view of an installation three-dimensional structure of an embedded part according to the present invention;
FIG. 5 is a schematic perspective view of an embedment of the present invention;
figure 6 is a schematic perspective view of the vertical rod of the present invention.
In the figure: 1. prefabricating a slab; 2. a water collecting well; 3. a concrete column; 4. a side wall; 5. a pouring cup; 6. pouring a layer; 7. a cup slot; 8. erecting a rod; 9. embedding parts; 10. a rough layer; 11. a cover plate; 12. connecting blocks; 13. pulling a plate; 14. a limiting ring; 15. pulling a rope; 16. a spring; 17. a lifting ring; 18. a base plate; 19. a through hole; 20. a lifting frame; 21. a pull ring; 22. a hoisting ring; 23. an upper rotating plate; 24. a hauling rope; 25. a lower rotating plate; 26. a first hinge base; 27. chamfering; 28. fastening screws; 29. a second hinge base; 30. a vertical plate; 31. a top plate; 32. and a through hole.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
example 1:
an assembly component for prefabricating an electric power well comprises a prefabricated plate 1, a side wall 4 and an embedded part 9.
The middle of the prefabricated bottom plate 1 is provided with a water collecting well 2 which is sunken downwards, four groups of lifting rings 22 distributed in a circumferential array mode are arranged at an upper end port of the water collecting well 2, pouring cups 5 are arranged on the left side and the right side of the upper end of the prefabricated plate 1, cup grooves 7 with conical inner cavities are vertically arranged in the pouring cups 5, the side walls 4 are vertically hung in the cup grooves 7, rough layers 10 are arranged on the side walls of the lower ends of the side walls 4, and pouring layers 6 made of concrete are poured in the cup grooves 7.
The positioning and hoisting of the side wall 4 are realized by arranging the cup groove 7, and the fixed connection between the side wall 4 and the prefabricated plate 1 is realized by utilizing the pouring layer 6, so that the prefabricated hoisting installation is formed, the assembly is quick, the implementation operation is simple, the long-time exposure of a foundation pit is avoided, and the potential safety hazard is reduced.
The embedded part 9 is in an I shape, the embedded part 9 comprises a top plate 31 positioned in the cup groove 7, a vertical plate 30 vertically poured in the prefabricated plate 1 and a bottom plate 18 transversely embedded in the prefabricated plate 1, the outer wall of the vertical plate 30 is vertically and slidably sleeved with a lifting frame 20, the side wall 4 is pressed on the upper end surface of the top plate 31, the two sides of the top plate 31 and the bottom plate 18 are respectively and rotatably provided with an upper rotating plate 23 and a lower rotating plate 25, the end part of the upper rotating plate 23 is obliquely pressed on the rough layer 10, and the lower rotating plate 25 is pressed on the outer wall of the lower end of the lifting frame 20.
Through the built-in fitting 9 that has the commentaries on classics board that sets up to utilize down the commentaries on classics board 25 to realize carrying out the inclined support to vertical board 30 both sides, improve the support intensity of built-in fitting 9, utilize the inclined support of last commentaries on classics board 23 to reach the inclined support to side wall 4 lower extreme outer wall simultaneously, under concrete placement fixed prerequisite, further improved the support intensity of side wall 4 lower extreme, avoid side wall 4 slope, improved the structural stability of assembled electric power well.
Example 2:
on the basis of the embodiment 1, in order to improve the supporting strength of the lower rotating plate 25, the present application further has a chamfered surface 27 which is arranged to be inclined on the outer wall of the lower end of the lifting frame 20, the end of the lower rotating plate 25 abuts against the inclined chamfered surface 27, the upper end of the top plate 31 is symmetrically provided with a second hinge seat 29, the upper end of the bottom plate 18 is provided with a first hinge seat 26, the upper rotating plate 23 is rotatably mounted on the second hinge seat 29, and the lower rotating plate 25 is rotatably mounted on the first hinge seat 26.
The chamfer surface 27 is arranged to be attached to the end part of the lower rotating plate 25, so that inclined dislocation is formed, the contact area is increased, and the pressure bearing performance is improved.
Example 3:
on the basis of the embodiment 2, in order to enhance the adaptability of the embedded part 9, the application further has the step of rotatably installing a fastening screw 28 on the front end of the lifting frame 20 by means of screw thread, and the fastening screw 28 is pressed on the vertical plate 30.
The height of the lifting frame 20 can be conveniently adjusted and fixed by arranging the fastening screw 28, so that the lifting frame is adaptive to the lower rotating plates 25 with different lengths.
Example 4:
on the basis of embodiment 1, in order to realize carrying out convenient regulation to the angle of last apron 23, this application still has and transversely runs through at the lateral wall of rim of a cup groove 7 and is provided with through-hole 19, and the outer wall of last apron 23 is provided with haulage rope 24, and haulage rope 24 extends to the outside of pouring basin 5 along through-hole 19, and the tip of haulage rope 24 is provided with pull ring 21.
Through the cooperation that sets up haulage rope 24 and pull ring 21 for go up the rotor plate 23 with symmetric distribution when hoist and mount and pull to the outside, thereby make smooth vertical grafting of side wall 4, after the hoist and mount is accomplished, loosen haulage rope 24, make go up rotor plate 23 to on coarse layer 10, through pouring of pouring layer 6, realize the packing to through hole 19, thereby form the dislocation and pour, further improved the lower extreme intensity of side wall 4.
Example 5:
on the basis of embodiment 4, in order to avoid casting layer 6 to produce the riser when pouring, this application still has and is being the otter board of reinforcing bar establishment at lower rotor plate 25 and upper rotor plate 23, and casting layer 6 runs through hole 19, lower rotor plate 25 and upper rotor plate 23.
Set up to the otter board through changeing down board 25 and last apron 23 to reach the purpose of fully filling and pouring high strength concrete, avoid producing and emit the hole, improved the shaping quality of pouring layer 6.
Example 5:
on the basis of embodiment 4, in the hoist and mount process, because prefabricated plate 1's weight is great, thereby make hoist and mount rope serious deformation, often cause hoist and mount fracture because the deformation, thereby cause the incident, in order to inject hoist and mount rope's deformation, improve hoist and mount security, this application still has and is provided with apron 11 at the upper end port of sump pit 2, vertically be provided with in the inner chamber of sump pit 2 with prefabricated bottom plate 1 integrated into one piece's concrete stand 3, the centre fixed mounting of apron 11 has connecting block 12, the lower extreme of connecting block 12 is fixed on concrete stand 3, the vertical pole 8 of connecting block 12's upper end connection.
The middle section of the vertical rod 8 is slidably sleeved with a lifting ring 17, the upper end of the lifting ring 17 is provided with a limit ring 14 fixed on the outer wall of the vertical rod 8, the upper end of the vertical rod 8 is provided with a pull plate 13, a spring 16 is arranged between the lifting ring 17 and the limit ring 14, and the spring 16 is sleeved on the vertical rod 8.
Four groups of through holes 32 distributed in a circumferential array are formed in the limiting ring 14, hanging rings corresponding to the through holes 32 and the hanging rings 22 one by one are arranged on the outer wall of the lifting ring 17, the hanging rings 22 are connected with the hanging rings, the hanging rings are connected with the through holes 32 through different pull ropes 15, and the upper ends of the pull ropes 15 penetrate through the limiting ring 14 and the pull plate 13.
In the hoisting process, the lifting ring 17 is driven to rise through the pull rope 15, so that the spring 16 is compressed, the matching of the spring 16 and the limiting ring 14 is utilized, the purpose of limiting the deformation length of the pull rope 15 is achieved, the breakage of the pull rope 15 is avoided, and the hoisting safety is improved.
A construction method realized according to the prefabricated assembly component of the electric power well comprises the following steps:
pre-casting an embedded part, namely pre-embedding and installing the embedded part 9 in a pouring mold of the prefabricated slab 1, and adjusting the height of the lifting frame 20 to enable the end part of the lower rotating plate 25 to be dripped on the outer wall of the lower end of the lifting frame 20;
hoisting and mounting, namely, hoisting and mounting the prefabricated slab 1 by connecting the hoisting ring 22 with hoisting equipment;
the side wall is hoisted, the side wall 4 is vertically inserted into the cup groove 7 through hoisting, before hoisting, the upper rotating plate 23 is inclined outwards through the action of the pull ring 21 and the traction rope 24, and the side wall 4 is pressed on the top plate 31;
Pouring and fixing, loosening the traction rope 24, enabling the end part of the upper rotating plate 23 to be abutted against the rough layer 10, and pouring the pouring layer 6 prepared by high-strength concrete into the cup opening groove 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 prefabricated subassembly of electric power well which characterized in that: the fitting assembly includes:
the prefabricated plate comprises a prefabricated plate (1), wherein a water collecting well (2) which is sunken downwards is arranged in the middle of the prefabricated plate (1), four groups of lifting rings (22) which are distributed in a circumferential array mode are arranged at an upper end port of the water collecting well (2), pouring cups (5) are arranged on the left side and the right side of the upper end of the prefabricated plate (1), and cup grooves (7) with conical inner cavities are vertically arranged in the pouring cups (5);
the side wall (4) is vertically hung in the cup groove (7), a rough layer (10) is arranged on the side wall of the lower end of the side wall (4), and a pouring layer (6) made of concrete is poured in the cup groove (7);
the prefabricated plate comprises an embedded part (9), wherein the embedded part (9) is I-shaped, the embedded part (9) comprises a top plate (31) located in a cup groove (7), a vertical plate (30) vertically poured in the prefabricated plate (1) and a bottom plate (18) transversely embedded in the prefabricated plate (1), a lifting frame (20) is vertically sleeved on the outer wall of the vertical plate (30) in a sliding mode, the side walls (4) are pressed on the upper end face of the top plate (31), an upper rotating plate (23) and a lower rotating plate (25) are respectively rotatably installed on two sides of the top plate (31) and the bottom plate (18), the end portion of the upper rotating plate (23) is obliquely pressed on the rough layer (10), and the lower rotating plate (25) is pressed on the outer wall of the lower end of the lifting frame (20).
2. An electric power well prefabrication assembly as defined in claim 1, wherein: the outer wall of the lower end of the lifting frame (20) is provided with an inclined chamfer surface (27), and the end part of the lower rotating plate (25) is abutted against the inclined chamfer surface (27).
3. An electric power well prefabrication assembly as claimed in claim 2, wherein: the lateral wall of cup groove (7) transversely runs through and is provided with through hole (19), the outer wall of going up commentaries on classics board (23) is provided with haulage rope (24), haulage rope (24) extend to the outside of pouring basin (5) along through hole (19), and the tip of haulage rope (24) is provided with pull ring (21).
4. An electric power well prefabrication assembly as defined in claim 3, wherein: the upper end symmetry of roof (31) is provided with second free bearing (29), the upper end of bottom plate (18) is provided with first free bearing (26), go up commentaries on classics board (23) and rotate and install on second free bearing (29), down commentaries on classics board (25) rotate and install on first free bearing (26).
5. An electric power well prefabrication assembly as claimed in claim 1, wherein: the upper end port of sump pit (2) is provided with apron (11), vertically in the inner chamber of sump pit (2) be provided with prefabricated bottom plate (1) integrated into one piece concrete stand (3), the centre fixed mounting of apron (11) has connecting block (12), the lower extreme of connecting block (12) is fixed on concrete stand (3), the vertical pole setting (8) of connecting block (12) of connecting in upper end.
6. An electric power well prefabrication assembly according to claim 5, wherein: the middle section of pole setting (8) slides and has cup jointed lift ring (17), and the upper end of lift ring (17) is provided with spacing ring (14) of fixing on pole setting (8) outer wall, and the upper end of pole setting (8) is provided with arm-tie (13), be provided with spring (16) between lift ring (17) and spacing ring (14), spring (16) cup joint on pole setting (8).
7. An electric power well prefabrication assembly according to claim 6, wherein: four groups of through holes (32) distributed in a circumferential array are formed in the limiting ring (14), hanging rings corresponding to the through holes (32) and the hanging rings (22) one to one are arranged on the outer wall of the lifting ring (17), the hanging rings (22) are connected with the hanging rings through different pull ropes (15), the upper ends of the pull ropes (15) penetrate through the limiting ring (14) and the pull plate (13).
8. An electric power well prefabrication assembly as claimed in claim 2, wherein: the front end of the lifting frame (20) is rotatably provided with a fastening screw (28) in a threaded manner, and the fastening screw (28) is pressed on the vertical plate (30).
9. An electric power well prefabrication assembly as defined in claim 4, wherein: lower commentaries on classics board (25) and last rotor plate (23) are the otter board of reinforcing bar establishment, pour layer (6) and run through hole (19), lower commentaries on classics board (25) and go up rotor plate (23).
10. A construction method implemented by the prefabricated assembly component for the electric power well according to any one of claims 1 to 9, wherein: the construction method comprises the following steps:
prefabricating an embedded part, namely embedding and installing the embedded part (9) in a pouring mold of the precast slab (1), and adjusting the height of the lifting frame (20) to enable the end part of the lower rotating plate (25) to be dripped on the outer wall of the lower end of the lifting frame (20);
hoisting and mounting, namely, hoisting and mounting the prefabricated slab (1) through the connection of the hoisting ring (22) and hoisting equipment;
the side wall is hoisted, the side wall (4) is vertically inserted into the cup groove (7) through hoisting, before hoisting, the upper rotating plate (23) is inclined outwards through the action of the pull ring (21) and the traction rope (24), and the side wall (4) is pressed on the top plate (31);
pouring and fixing, loosening the traction rope (24), enabling the end part of the upper rotating plate (23) to be abutted against the rough layer (10), and pouring the pouring layer (6) prepared by high-strength concrete into the cup groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512446.7A CN114753409B (en) | 2022-05-12 | 2022-05-12 | Prefabricated assembly component for electric power well and construction method of prefabricated assembly component |
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| CN202210512446.7A CN114753409B (en) | 2022-05-12 | 2022-05-12 | Prefabricated assembly component for electric power well and construction method of prefabricated assembly component |
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| CN114753409A true CN114753409A (en) | 2022-07-15 |
| CN114753409B CN114753409B (en) | 2023-11-14 |
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| CN109403224A (en) * | 2018-11-20 | 2019-03-01 | 德州市公路工程总公司 | Slab culvert casting top slab truss-like sliding formwork system and construction method |
| CN209179067U (en) * | 2018-11-29 | 2019-07-30 | 湖北三和新构件科技有限公司 | Prefabricated formula cable work well |
| CN209556144U (en) * | 2019-01-02 | 2019-10-29 | 青建国际集团有限公司 | A kind of new steel structure built-in fitting |
| CN209413047U (en) * | 2019-01-04 | 2019-09-20 | 滁州市志明钢结构有限公司 | A kind of prefabricated assembled beam sturcture |
| CN210562789U (en) * | 2019-08-12 | 2020-05-19 | 安吉屹丰建设有限公司 | Building embedded wall structure |
| CN111088817A (en) * | 2019-12-30 | 2020-05-01 | 江苏东尚住宅工业有限公司 | Prefabricated assembled cable well and construction method thereof |
| CN211774613U (en) * | 2019-12-30 | 2020-10-27 | 威海宏松机械有限公司 | Large-scale steel construction built-in fitting |
| CN212641762U (en) * | 2020-04-29 | 2021-03-02 | 玉茗建设集团有限责任公司 | Embedded part applied to assembly type building |
| CN111501839A (en) * | 2020-05-12 | 2020-08-07 | 启晗电力建设集团有限公司 | Cable shaft |
| CN111877603A (en) * | 2020-07-01 | 2020-11-03 | 上海建工集团股份有限公司 | Precast concrete shear wall supporting and grouting surrounding integrated tool system and method |
| CN212801655U (en) * | 2020-07-08 | 2021-03-26 | 国网江苏省电力有限公司连云港供电分公司 | Assembled cross cable shaft |
| CN213926342U (en) * | 2020-10-27 | 2021-08-10 | 上海电气研砼建筑科技集团有限公司 | Assembly structure of pool wall and foundation |
| CN216142186U (en) * | 2021-08-30 | 2022-03-29 | 云南吉源建设工程有限公司 | Pre-buried connecting piece device in house |
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