CN214615669U - Be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage - Google Patents
Be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage Download PDFInfo
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- CN214615669U CN214615669U CN202023295551.5U CN202023295551U CN214615669U CN 214615669 U CN214615669 U CN 214615669U CN 202023295551 U CN202023295551 U CN 202023295551U CN 214615669 U CN214615669 U CN 214615669U
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Abstract
The utility model relates to a special simple steel bar protection shed for processing pile foundation steel bar cages, the main body of which is a long strip smooth frame type which can meet the large-span barrier-free processing requirement of the ultra-long pile foundation steel bar cages, comprising a top angle vertical rod, a vertical rod support, a lattice beam truss, a top steel bar support net rack, a steel bar diagonal brace, a steel plate and a protective cover, all the components are based on the rational design on the basis of stress calculation, a thick steel plate is used as a base, and the components are manufactured by welding finished steel bars and interconnected, the simple steel bar protection shed has the advantages of scientific, reasonable and simple structure, convenient arrangement and convenient disassembly, stable and reliable integral structure, good safety, no daily maintenance and trouble and expenditure, obviously reduced arrangement cost and daily use cost, can fully meet the smooth and unimpeded processing requirement of the ultra-conventional special pile foundation steel bar cages, and solves a big problem in the processing of the pile foundation steel bar cages in the industry at present, has strong practicability and valuable market application prospect.
Description
Technical Field
The utility model relates to a building auxiliary assembly technical field, especially a be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage.
Background
In building construction, a large number of pile foundation reinforcement cages manufactured by on-site processing of reinforcing steel bars are often used. In order to facilitate material transportation, the reinforcing steel bar processing field of the pile foundation reinforcement cage is generally arranged in the coverage range of the tower crane, so that the potential safety hazard exists for reinforcing steel bar processing personnel because of direct exposure under the tower crane. The traditional reinforcing bar processing protection canopy that forms is generally set up by steel pipe scaffold frame by industry at present deals with. Therefore, safety risks brought to steel bar construction personnel when the tower crane hoists materials are reduced, influence on steel bar welding caused by rainwater can be avoided, and the construction period is ensured. However, in practice, the steel bar processing protective shed built by adopting the traditional steel pipe by means of a fastener connecting method is found to have a plurality of defects when used for processing the pile foundation steel bar cage: one is that the number of components involved in the erection is large, the process is complicated, the labor, time and materials are wasted, and a concrete floor needs to be specially poured before the arrangement, so the arrangement cost is high, but the cost is high; secondly, the structural reinforcing steel bar processing protective shed has poor overall stability and is easy to loosen in the using process, so that the daily use cost is high due to large workload of daily maintenance; thirdly, compared with the whole construction engineering construction, the processing period of the pile foundation reinforcement cage is relatively short, the time for actually using the reinforcement to process the protective shed is not long, and when the engineering enters the earth excavation stage, the reinforcement processing field needs to be dismantled, so that the dismantling is troublesome, the workload is large, and the project expense is unfavorable along with a large amount of material loss and labor expenditure; fourthly, the length and the width of this kind of reinforcing bar processing protection canopy are limited, can't satisfy the large-span accessible operation requirement of processing the pile foundation steel reinforcement cage more than 9m in length, and the work suitability is relatively poor. Therefore, the pile foundation steel reinforcement cage that present commonly used steel pipe scaffold way was built processes protection canopy with reinforcing bar, generally exist work suitability poor, set up troublesome and with high costs, daily maintenance work load is big and use cost is also high, demolish troublesome and material utilization low, can not satisfy the processing requirement of pile foundation steel reinforcement cage more than 9 meters long again, so, all owe the ideal from practicality and economic nature perspective consideration, for this reason, has become puzzlement industry at present, a big difficult problem that urgent need be solved.
Disclosure of Invention
The utility model discloses an overcome and exist not enough in the aspect of putting up special steel reinforcement processing protection canopy of pile foundation steel reinforcement cage at present, provide a structure relatively scientific and reasonable and standard, whole firm reliable and the work suitability is strong, the on-the-spot setting is all swiftly convenient with the dismantlement, it is all lower to set up cost and daily use cost, can follow the special plain type steel reinforcement protection canopy of pile foundation steel reinforcement cage who structurally ensures to satisfy the large-span accessible operation requirement of pile foundation steel reinforcement cage processing more than 9 m.
The utility model discloses a be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage, characterized in that main part is the rectangular form unblocked frame-type that can satisfy pile foundation steel reinforcement cage large-span accessible processing operation requirement more than 9 meters of hypergraphical conventionality, mainly include four apex angle pole settings, the pole setting support of using with four apex angle pole settings respectively, the lattice beam truss at four apex angle pole setting tops sets firmly, whole cover sets firmly the top reinforcing bar support rack on lattice beam truss, set firmly the several reinforcing bar diagonal brace of four apex angle pole settings nearly top body of rod and four corner handing-over departments of lattice beam truss, the steel sheet that supplies to weld and set up four apex angle pole setting lower extremes and whole work construction ground usefulness and wholly installs the protection casing on top reinforcing bar support rack, wherein:
the vertical rod at the top corner is formed by mutually abutting and arranging at least 3 steel bars with the diameter of 20-30mm and the length of 2500-;
the upright stanchion support is fixedly arranged at the lower end part of the upright stanchion at the top corner, the main body comprises a circular ring formed by mutually welding the end parts of reinforcing steel bars with the diameter of 550 and 650mm, and a reinforcing steel bar bottom support which is fixedly welded between the circular ring and the face of the lower end near each vertical strut by taking the reinforcing steel bar as an inclined support;
the lattice beam truss main body is in a rectangular frame shape and is formed by fixedly welding and interconnecting a longitudinal lattice beam positioned on two sides and a plurality of shorter transverse lattice beams fixedly welded between the longitudinal lattice beams on the two sides;
the longitudinal lattice beam comprises a rectangular steel bar frame A formed by mutually welding the end parts of steel bars and an internal zigzag framework A formed by welding the steel bars serving as inclined struts between the upper frame edge and the lower frame edge of the rectangular steel bar frame A;
the transverse lattice beam comprises a rectangular steel bar frame B formed by mutually welding the end parts of steel bars and an internal zigzag framework B formed by adopting the steel bars as inclined struts and welding the inclined struts between the upper frame edge and the lower frame edge of the rectangular steel bar frame B;
the top steel bar supporting net rack comprises a plurality of supporting rods made of steel bars, transverse pull rods and longitudinal pull rods;
the support rods comprise longer support rods and shorter support rods;
the upper frame edge of the rectangular steel bar frame B of the transverse lattice beam is symmetrically limited with a setting position A close to the longer stay bars at two sides of the middle and a setting position B close to the shorter stay bars at the sides;
one end of the longer stay bar is fixedly welded on the setting position A on the upper frame edge of the transverse lattice beam, and one end of the shorter stay bar is fixedly welded on the setting position B;
the transverse pull rod is filled by steel bars and is fixedly welded and interconnected above the upper frame edge of the transverse lattice beam according to the sequence of one end of the transverse lattice beam, the other end of the front-side shorter stay bar and the other end of the longer stay bar, the other end of the rear-side longer stay bar and the other end of the shorter stay bar, and the other end of the transverse lattice beam to form a transverse support frame;
the longitudinal pull rod is filled by steel bars and comprises 4 pieces of support rods, the length of the support rods is consistent with that of the longitudinal lattice beam, and the number of the support rods is consistent with that of the support rods arranged on the upper frame edge of the transverse lattice beam;
the longitudinal pull rods respectively connect the transverse pull rods on each transverse lattice beam with the other ends of the shorter support rods and the other ends of the longer support rods in a longitudinally aligned and welded manner to form the top steel bar support net rack which is supported by a plurality of support rods, crossed by the transverse pull rods and the longitudinal pull rods and integrally covered and fixedly arranged on the lattice beam truss;
the steel bar diagonal brace is made of steel bars and is fixedly welded between the rod body near the top of the vertical rod and the lattice beam truss;
the steel plate integrally used as the construction foundation is filled with a thick steel plate;
the protective cover is formed by laying fireproof plastic cloth or color steel tiles;
when the steel bar bottom support is erected, firstly, a crushed stone foundation with the thickness of 30 centimeters is filled on a selected field, then a steel plate is laid on the crushed stone foundation, the bottom ends of the vertical rods and the circular rings are correspondingly limited and fixedly welded on the steel plate, and the steel bar bottom supports are welded between the circular rings and the faces of the vertical rods close to the lower ends of the vertical rods of the vertical-angle vertical rods; the lattice beam truss is fixedly welded to the top end of the vertical rod, the steel bar inclined support rods are fixedly welded to the joint of the lattice beam truss for reinforcement, the top steel bar supporting net rack is fixedly welded to the upper portion of the lattice beam truss to form a steel bar processing shed framework, and finally the fireproof plastic cloth or the color steel tiles are covered and laid on the top of the steel bar supporting net rack to form a protective cover, so that the special steel bar protective shed suitable for being used as the processing requirements of pile foundation reinforcement cages of various specifications is constructed.
In addition, the circular ring and the reinforcing steel bar bottom support on the upright support are both made of reinforcing steel bars with the diameter of 16 mm; the rectangular steel bar frame A on the longitudinal lattice beam and the diagonal brace of the internal zigzag framework A are both made of steel bars with the diameter of 20 mm; the rectangular steel bar frame B on the transverse lattice beam and the diagonal braces of the internal zigzag framework B are both made of steel bars with the diameter of 20 mm; the supporting rods, the transverse pull rods and the longitudinal pull rods on the top steel bar supporting net rack are all made of steel bars with the diameter of 16 mm; the length of the rectangular steel reinforcement frame A on the longitudinal lattice beam is based on the length of the ultra-long pile foundation reinforcement cage required to be processed, and is preferably 11000-13000mm long and 250mm high; the rectangular steel bar frame B on the transverse lattice beam is preferably 4500mm long and 250mm high; the longer stay bar in the support bars is preferably 400mm long; the shorter strut of the strut is preferably 250mm long.
Based on the above concept, the utility model discloses be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage, because the rationalization structural design has been carried out on the basis that the structure atress calculated to establish, adopt the steel plate as reinforcing bar protection canopy base, adopt each big component of finished product reinforcing bar welding preparation reinforcing bar protection canopy, and weld in each component with the finished product reinforcing bar and consolidate the interconnection, reinforcing bar protection canopy that builds from this compares with current steel pipe scaffold formula reinforcing bar processing protection canopy, it is advanced obviously to have a setting method, the structure is more scientific and reasonable, it is also convenient to set up more convenient and dismantle, overall structure is firm reliable, the security is better, can not take place not hard up the phenomenon, daily maintenance spending has been avoided, setting cost and daily use cost have effectively been reduced, simultaneously, adopt according to guaranteeing by the theory of structure special formula the utility model the reinforcing bar protection canopy that the technical scheme built allows to have extraordinary length, Bigger span, thereby can fully satisfy the processing demand that the extraordinary special pile foundation steel reinforcement cage is unblocked more than 9 meters, effectively solved a big difficult problem in the aspect of the extraordinary special pile foundation steel reinforcement cage of processing of present industry, really be this technical field's a big innovation, have very strong practicality and valuable market perspective.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic front view of the embodiment of the present invention;
fig. 3 is a schematic side view of an embodiment of the present invention;
figure 4 is a schematic view of an interconnecting structure of a vertical rod and a vertical rod support in the embodiment of the present invention;
fig. 5 is a schematic top view of an embodiment of the present invention.
In the figure:
1. vertical angle pole 11, vertical stay 2, pole support 21, reinforcing steel bar ring 22, reinforcing steel bar bottom brace
3. Lattice girder truss 31, longitudinal lattice girder 311, rectangular steel frame A
312. Internal zigzag framework A32, transverse lattice beam 321, rectangular steel bar frame B
322. An internal zigzag framework B323, a setting position A324 and a setting position B
4. Top steel bar supporting net rack 41, supporting rod 411, longer supporting rod 412 and shorter supporting rod
42. Transverse pull rod 43, longitudinal pull rod 44, transverse support frame 5, steel bar diagonal brace rod 6 and steel plate
7. Protective cover
Detailed Description
The invention will be further explained with reference to the drawings and exemplary embodiments.
In fig. 1, fig. 2, fig. 3, in fig. 4 and fig. 5, the utility model discloses a be suitable for processing special plain type reinforcing bar protection canopy of pile foundation steel reinforcement cage, the characterized in that main part is the rectangular form unblocked frame-type that can satisfy pile foundation steel reinforcement cage large-span accessible processing operation requirement more than 9 meters, mainly include four apex angle pole settings 1, pole setting support 2 that matches with four apex angle pole settings respectively, set firmly lattice beam truss 3 at four apex angle pole settings 1 tops, wholly cover top steel bar support rack 4 who sets firmly on lattice beam truss 3, set firmly several steel bar diagonal braces 5 at four apex angle pole settings 1 nearly top body of rod and 3 four corner handing-over departments of lattice beam truss, the steel sheet 6 and the whole protection casing 7 of installing on top steel bar support rack 4 that set up four apex angle pole settings 1 lower extremes pole settings and whole construction ground usefulness of supplying to weld, wherein:
the vertical rod 1 at the top corner is formed by mutually abutting and arranging and mutually welding two sides of at least 3 steel bars with the diameter of 20-30mm and the length of 2500-;
the upright support 2 is fixedly arranged at the lower end part of the vertical upright 1 at the top corner, and the main body comprises a circular ring 21 formed by mutually welding the end parts of reinforcing steel bars with the diameter of 550-650mm and a reinforcing steel bar bottom support 22 which is fixedly welded between the circular ring 21 and the face of the lower end of each vertical support rod 11 by taking the reinforcing steel bars as inclined supports;
the main body of the lattice girder truss 3 is in a rectangular frame shape and is formed by fixedly welding and interconnecting a longitudinal lattice girder 31 which is longer at two sides and a plurality of shorter transverse lattice girders 32 which are fixedly welded between the longitudinal lattice girders 31 at two sides;
the longitudinal lattice beam 31 comprises a rectangular steel bar frame A311 formed by mutually welding the end parts of steel bars, and an internal zigzag framework A312 formed by welding the steel bars serving as inclined struts between the upper frame edge and the lower frame edge of the rectangular steel bar frame A311;
the transverse lattice beam 32 comprises a rectangular steel bar frame B321 formed by mutually welding the end parts of steel bars, and an internal zigzag framework B322 formed by adopting the steel bars as inclined struts and welding the upper frame edge and the lower frame edge of the rectangular steel bar frame B321;
the top steel bar supporting net rack 4 comprises a plurality of supporting rods 41 made of steel bars, a transverse pull rod 42 and a longitudinal pull rod 43;
the supporting rod 41 comprises a longer supporting rod 411 and a shorter supporting rod 412;
the upper frame edge of the rectangular steel bar frame B321 of the transverse lattice beam 32 is symmetrically limited with a setting position A323 of a longer stay bar 411 close to the two sides of the middle and a setting position B324 of a shorter stay bar 412 close to the side;
one end of the longer stay bar 411 is fixedly welded on the setting position a 323 on the upper frame edge of the transverse lattice beam 32, and one end of the shorter stay bar 412 is fixedly welded on the setting position B324;
the transverse tie rod 42 is filled by steel bars, and is fixedly welded and interconnected above the upper frame edge of the transverse lattice beam 32 according to the sequence of one end of the transverse lattice beam 32, the other end of the front-side shorter stay bar 412, the other end of the longer stay bar 411, the other end of the rear-side longer stay bar 411, the other end of the shorter stay bar 412 and the other end of the transverse lattice beam 32 to form a transverse support frame 44;
the longitudinal tie rods 43 are filled with steel bars and comprise 4 pieces of tie rods, the length of the tie rods is consistent with that of the longitudinal lattice beam 31, and the number of the tie rods is consistent with that of the support rods 41 arranged on the upper frame edge of the transverse lattice beam 32;
the longitudinal tie rods 43 respectively connect the transverse tie rods 42 on the transverse lattice beams 32 with the other ends of the shorter stay rods 412 and the other ends of the longer stay rods 411 in a longitudinally aligned and welded manner to form the top steel bar supporting net rack 4 supported by a plurality of supporting rods 41, crossed by the transverse tie rods 42 and the longitudinal tie rods 43, and integrally covered and fixedly arranged on the lattice beam truss 3;
the steel bar diagonal brace 5 is made of steel bars and is fixedly welded between the rod body near the top of the vertical rod 1 and the lattice beam truss 3 respectively;
the steel plate 6 integrally used as a construction foundation is filled with a thick steel plate;
the protective cover 7 is formed by laying fireproof plastic cloth or color steel tiles;
in addition, the circular ring 21 and the reinforcing steel bar bottom support 22 on the upright support 2 are both made of reinforcing steel bars with the diameter of 16 mm; the rectangular steel bar frame A311 on the longitudinal lattice beam 31 and the diagonal braces of the internal zigzag framework A312 are both made of steel bars with the diameter of 20 mm; the rectangular steel bar frame B321 on the transverse lattice beam 32 and the diagonal braces of the internal zigzag framework B322 are both made of steel bars with the diameter of 20 mm; the supporting rods 41, the transverse pull rods 42 and the longitudinal pull rods 43 on the top steel bar supporting net rack 4 are all made of steel bars with the diameter of 16 mm; the length of the rectangular steel reinforcement frame A311 on the longitudinal lattice beam 31 is based on the length of the ultra-long pile foundation steel reinforcement cage required to be processed, and is preferably 11000-13000mm long and 250mm high; the rectangular steel bar frame B321 on the transverse lattice beam 32 is preferably 4500mm long and 250mm high; the longer strut 411 of the strut 41 is preferably 400mm long; the shorter strut 412 of the struts 41 is preferably 250mm long.
When the steel bar bottom support is erected, firstly, a crushed stone foundation with the thickness of 30 centimeters is filled on a selected field, then a steel plate 6 is laid on the crushed stone foundation, the bottom ends of the upright posts 1 and the circular rings 21 are correspondingly limited and fixedly welded on the steel plate 6, and the steel bar bottom supports 22 are welded between the circular rings 21 and the faces of the lower ends, close to the vertical support rods 11, of the vertical corner upright posts 1; and (2) fixedly welding the lattice beam truss 3 on the top end of the vertical rod 1, fixedly welding steel bar inclined support rods 5 at the joint for reinforcement, fixedly welding the top steel bar supporting net rack 4 above the lattice beam truss 3 to form a steel bar processing shed framework, and finally covering and laying the fireproof plastic cloth or the color steel tiles to form a protective cover 7 so as to construct a special steel bar protective shed suitable for being used as the processing requirements of pile foundation reinforcement cages of various specifications.
Claims (5)
1. A simple steel bar protection shed special for processing a pile foundation steel bar cage is characterized in that a main body is a strip-shaped smooth frame type which can meet the large-span barrier-free processing use requirement of the over-conventional pile foundation steel bar cage with more than 9 meters, and mainly comprises four vertical angle rods (1), vertical rod supports (2) matched with the four vertical angle rods (1), a lattice beam truss (3) fixedly arranged at the top of the four vertical angle rods (1), a top steel bar support net rack (4) integrally covered and fixedly arranged on the lattice beam truss (3), a plurality of steel bar inclined support rods (5) fixedly arranged at the joint of a rod body close to the top ends of the four vertical angle rods (1) and four corners of the lattice beam truss (3), a steel plate (6) for fixedly welding the lower ends of the four vertical angle rods (1) and integrally used as a construction foundation, and a protective cover (7) integrally arranged on the top steel bar support net rack (4), wherein:
the upright rods (1) are formed by mutually abutting and arranging and mutually welding two sides of at least 3 steel bars with the diameter of 20-30mm and the length of 2500-;
the upright support (2) is fixedly arranged at the lower end part of the upright (1), the main body comprises a circular ring (21) formed by mutually welding the end parts of reinforcing steel bars with the diameters of 550 and 650mm, and a reinforcing steel bar bottom support (22) which is fixedly welded between the circular ring (21) and the face of the rod of each vertical support rod (11) close to the lower end by taking the reinforcing steel bars as inclined supports;
the main body of the lattice beam truss (3) is in a rectangular frame shape and is formed by fixedly welding and interconnecting a longitudinal lattice beam (31) which is longer at two sides and a plurality of transverse lattice beams (32) which are shorter and are fixedly welded between the longitudinal lattice beams (31) at two sides;
the longitudinal lattice beam (31) comprises a rectangular steel bar frame A (311) formed by mutually welding the end parts of steel bars, and an internal zigzag framework A (312) which is formed by adopting the steel bars as inclined struts and welding the upper frame edge and the lower frame edge of the rectangular steel bar frame A (311);
the transverse lattice beam (32) comprises a rectangular steel bar frame B (321) formed by mutually welding the end parts of steel bars and an internal zigzag framework B (322) which is formed by adopting the steel bars as inclined struts and welding the upper frame edge and the lower frame edge of the rectangular steel bar frame B (321);
the top steel bar supporting net rack (4) comprises a plurality of supporting rods (41) made of steel bars, transverse pull rods (42) and longitudinal pull rods (43);
the supporting rod (41) comprises a longer supporting rod (411) and a shorter supporting rod (412);
the upper frame edge of the rectangular steel bar frame B (321) of the transverse lattice beam (32) is symmetrically limited with a setting position A (323) of a longer stay bar (411) close to the two sides of the middle and a setting position B (324) of a shorter stay bar (412) close to the side;
one end of the longer stay bar (411) is fixedly welded on the setting position A (323) on the upper frame edge of the transverse lattice beam (32), and one end of the shorter stay bar (412) is fixedly welded on the setting position B (324);
the transverse pull rod (42) is filled by steel bars and is fixedly welded and interconnected above the upper frame edge of the transverse lattice beam (32) according to the sequence of one end of the transverse lattice beam (32), the other end of the front-side shorter stay bar (412) and the other end of the longer stay bar (411), the other end of the rear-side longer stay bar (411), the other end of the shorter stay bar (412) and the other end of the transverse lattice beam (32) to form a transverse support frame (44);
the longitudinal pull rods (43) are filled by steel bars and comprise 4 pieces of support rods, the length of the support rods is consistent with that of the longitudinal lattice beam (31), and the number of the support rods is consistent with that of the support rods (41) arranged on the upper frame edge of the transverse lattice beam (32);
the longitudinal pull rods (43) respectively connect the transverse pull rods (42) on the transverse lattice beams (32) with the other ends of the shorter support rods (412) and the other ends of the longer support rods (411) in a longitudinally aligned and welded manner to form the top steel bar support net rack (4) which is supported by a plurality of support rods (41), crossed by the transverse pull rods (42) and the longitudinal pull rods (43) and integrally covered and fixedly arranged on the lattice beam truss (3);
the steel bar diagonal brace (5) is made of steel bars and is fixedly welded between the rod body near the top of the vertical rod (1) and the lattice beam truss (3) respectively;
the steel plate (6) integrally used as the construction foundation is filled with a thick steel plate;
the protective cover (7) is formed by laying fireproof plastic cloth or color steel tiles.
2. The simple steel bar protection shed special for processing the pile foundation reinforcement cage according to claim 1, characterized in that the circular ring (21) and the steel bar bottom support (22) on the vertical rod support (2) are both made of steel bars with the diameter of 16 mm.
3. The simple steel reinforcement protection shed special for processing the steel reinforcement cage of the pile foundation is characterized in that the rectangular steel reinforcement frames A (311) on the longitudinal lattice beams (31) and the diagonal supports of the internal zigzag framework A (312) are both made of steel reinforcements with the diameter of 20 mm.
4. The simple steel reinforcement shelter special for processing the steel reinforcement cage of the pile foundation according to claim 1, wherein the rectangular steel reinforcement frames B (321) on the transverse lattice beams (32) and the diagonal supports of the internal zigzag framework B (322) are made of steel reinforcements with the diameter of 20 mm.
5. The simple steel bar shelter special for processing the steel bar cage of the pile foundation according to claim 1, wherein the supporting rods (41), the transverse pull rods (42) and the longitudinal pull rods (43) on the top steel bar supporting net rack (4) are all made of steel bars with the diameter of 16 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112709465A (en) * | 2020-12-30 | 2021-04-27 | 中铁建工集团有限公司 | Be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709465A (en) * | 2020-12-30 | 2021-04-27 | 中铁建工集团有限公司 | Be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage |
| CN112709465B (en) * | 2020-12-30 | 2024-07-05 | 中铁建工集团有限公司 | Be suitable for special plain type reinforcing bar protection canopy of processing pile foundation steel reinforcement cage |
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