CN113585800A - Steel construction of usefulness is consolidated to concrete - Google Patents
Steel construction of usefulness is consolidated to concrete Download PDFInfo
- Publication number
- CN113585800A CN113585800A CN202110849419.4A CN202110849419A CN113585800A CN 113585800 A CN113585800 A CN 113585800A CN 202110849419 A CN202110849419 A CN 202110849419A CN 113585800 A CN113585800 A CN 113585800A
- Authority
- CN
- China
- Prior art keywords
- plate
- concrete beam
- box body
- groove
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 159
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000010276 construction Methods 0.000 title description 2
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 230000002146 bilateral effect Effects 0.000 claims abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 4
- 230000008093 supporting effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 pressure grouting Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a steel structure for reinforcing concrete, which comprises a concrete structure and a reinforcing steel structure; the reinforced steel structure comprises a bearing box, a top plate assembly, a traction assembly and a driving assembly, the bearing box comprises a box body and a fixed plate, the top plate assembly is arranged between the inner bottom surface of the box body and the bottom surface of a concrete beam, the top plate assembly comprises a left top plate assembly and a right top plate assembly which are identical in structure size, the left traction assembly and the right traction assembly which are identical in structure size are arranged, the left traction assembly and the right traction assembly are respectively arranged on the upper portion of the concrete beam above the left top plate assembly and the right top plate assembly and are in bilateral symmetry, the driving assembly comprises a sleeve, a bearing plate, a driving rod and a transverse plate, and the sleeve comprises a left sleeve and a right sleeve which are identical in structure size. The invention solves the problem that the concrete beam can be bent and deformed in the process of bearing larger load.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a steel structure for reinforcing concrete.
Background
The reinforcement means that measures such as strengthening, partially replacing or adjusting internal force of a bearing structure, a component and related parts thereof with insufficient reliability or needing to improve reliability are taken, so that the bearing structure, the component and the related parts thereof have safety, durability and applicability required by the existing design specifications and requirements. The concrete structure is reinforced by bonding steel, carbon fiber, pressure grouting, steel bar planting, anchor bolt, steel pipe pile, etc.
The concrete beam is an important component in a concrete structure forming a building, the concrete beam can be bent and deformed in the process of bearing a large load in the long-time use process, the concrete beam with the increased deformation can crack and even lose the supporting effect on the building, the service life of the concrete beam is shortened, the concrete can be stressed in a way that the upper part of the concrete beam is pressed and the lower part of the concrete beam is pulled in the process of bearing the load from top to bottom, and the carbon fiber cloth reinforcing method adopted in the reinforced concrete beam and the reinforcing method with the carbon fiber cloth, which are disclosed as CN103603509B, can improve the tensile capacity of the reinforced concrete beam, but cannot reduce the influence of the compression on the upper part of the reinforced concrete beam and has the problem of weak reinforcing effect of the concrete beam.
Disclosure of Invention
The invention provides a steel structure for reinforcing concrete, which aims to solve the problem that the concrete beam can be bent and deformed in the process of bearing larger load, and can prolong the service life of the concrete beam.
In order to solve the problems, the technical scheme of the invention is as follows:
a steel structure for reinforcing concrete comprises a concrete structure, wherein the concrete structure comprises a concrete column and a concrete beam, the concrete column comprises a left column body and a right column body, the concrete beam is connected between the upper parts of the opposite side surfaces of the left column body and the right column body, and the steel structure for reinforcing concrete is also comprised;
the reinforced steel structure comprises a bearing box, a top plate assembly, a traction assembly and a driving assembly, the bearing box comprises a box body and a fixed plate, the box body is a hollow cuboid with openings on the top surface and the left and right side surfaces, the box body is sleeved outside a concrete beam from bottom to top, a space is reserved between the inner wall of the box body and the outer wall of the concrete beam, a first U-shaped groove and a second U-shaped groove which are sunken towards the inside of the side plate and have upward openings are respectively arranged at the upper ends of the middle parts of the front side plate and the rear side plate of the box body, the first U-shaped groove and the second U-shaped groove respectively penetrate through the front side surface and the rear side surface of the side plate, a cuboid-shaped supporting body is arranged in the middle part of the inner bottom surface of the box body, the top surface of the supporting body is contacted with the middle part of the bottom surface of the concrete beam, the fixed plate comprises a first plate body and a second plate body, the first plate bodies are two in number and are respectively vertically arranged at the left and right ends of the bottom surface of the box body, first bolt through holes are arranged on the first plate body close to the four right corners of the first plate body, two first plate bodies are respectively arranged on the right side surface of the left column body and the left side surface of the right column body through first bolts penetrating through the first bolt through holes on the first plate bodies, the left and right ends of the front side plate and the left and right ends of the rear side plate of the box body are respectively provided with a second plate body, the second plate body is provided with second bolt through holes close to four right angles of the second plate body, the front side surfaces of the second plate bodies at the left and right ends of the front side plate of the box body are flush with the front side surface of the front side plate of the box body, the rear side surfaces of the second plate bodies at the left and right ends of the rear side plate of the box body are flush with the rear side surface of the rear side plate of the box body, the second plate bodies at the left ends of the front side plate and the rear side plate of the box body are respectively fixed on the front side surface and the rear side surface of the left column body through second bolts, and the second plate bodies at the right ends of the front side plate and the rear side plate of the box body are respectively fixed on the front side surface and the rear side surface of the right column body through second bolts;
The roof subassembly sets up between the inside bottom surface of box and concrete beam bottom surface, the roof subassembly includes the equal same left roof subassembly and right roof subassembly of structure size, left side roof subassembly and right roof subassembly set up respectively between the concrete beam bottom surface of the left and right sides of supporter and the inside bottom surface of box, and be the bilateral symmetry state, left side roof subassembly includes fly leaf and roof plate body, both ends respectively with the front and back medial surface sliding contact of box around the fly leaf, the length of fly leaf is less than the distance between the left surface of supporter and the right flank of left cylinder, there is the interval between the bottom surface of fly leaf and the inside bottom surface sliding contact of box, top surface and the bottom surface of concrete beam, the left end of fly leaf is through first spring coupling in the right flank of left cylinder, the bottom surface left part of fly leaf is provided with to the inside sunken of fly leaf, A plurality of grooves are arranged on the top surface of the movable plate at intervals along the length direction of the movable plate, the front end and the rear end of each groove respectively penetrate through the front end surface and the rear end surface of the movable plate, a clamping plate with the right end part facing right is horizontally arranged in the middle of the upper end of the left side surface of each groove, an inclined rectangular rotating plate is arranged in each groove, the left end of each rotating plate is positioned below the clamping plate on the groove, the right end of each rotating plate is higher than the left end of the groove and positioned above the top surface of the movable plate on the right side of the groove, each rotating plate is movably connected to the front inner side surface and the rear inner side surface of the box body through a rotating shaft penetrating through the middle parts of the front end surface and the rear end surface of the rotating plate, the left part of the front end surface and the rear end surface of each rotating plate is connected with a steel strand with the upward end part, the top plate body is arranged between the movable plate and the bottom surface of the concrete beam, and the front end and rear end of the top plate are respectively spaced from the front inner side surface of the box body, the left end and the right end of the top plate body are respectively in sliding contact with the left side face of the support body and the right side face of the left column body, the right ends of the rotating plates are in contact with the bottom face of the top plate body, a space is reserved between the top face of the top plate body and the bottom face of the concrete beam, and the right end of a movable plate on the right top plate assembly is connected with the left side face of the right column body through a first spring;
The traction assembly comprises a left traction assembly and a right traction assembly which are identical in structure and size, the left traction assembly and the right traction assembly are respectively arranged above a left top plate assembly and a right top plate assembly and are in a bilateral symmetry state, the left traction assembly is composed of a plurality of lacing bars, grooves of movable plates on each lacing bar group and the left top plate assembly are opposite up and down, each lacing bar group comprises an upper lacing bar and a lower lacing bar, the lower lacing bar penetrates through a concrete beam from front to back, the front end and the rear end of each lower lacing bar extend out of the front side and the rear side of the concrete beam, the number of the upper lacing bars is two, the two upper lacing bars are respectively positioned on the front inner side and the rear inner side of a box body on the left side above the lower lacing bar on the front and rear sides of the concrete beam, the two upper lacing bars are opposite front to back, the upper ends of steel strands on the front end surface of a rotating plate in each groove on the left top plate assembly bypass the upper lacing bar on the front side of the concrete beam in the lacing bar group corresponding to the groove to connect with the lower lacing bar on the front side of the concrete beam, the upper end of a steel strand on the rear end face of each rotating plate in each groove on the left top plate assembly bypasses an upper lacing wire on the rear side of the concrete beam in a lacing wire group corresponding to the groove in which the steel strand is connected with a lower lacing wire on the rear side of the concrete beam, the upper end of a steel strand on the front end face of each rotating plate in each groove on the right top plate assembly bypasses an upper lacing wire on the front side of the concrete beam in the lacing wire group corresponding to the groove in which the steel strand is connected with a lower lacing wire on the front side of the concrete beam, and the upper end of a steel strand on the rear end face of each rotating plate in each groove on the right top plate assembly bypasses an upper lacing wire on the rear side of the concrete beam in the lacing wire group corresponding to the groove in which the steel strand is connected with a lower lacing wire on the rear side of the concrete beam;
The driving assembly comprises a sleeve, a bearing plate, a driving rod and a transverse plate, the sleeve comprises a left sleeve and a right sleeve which are identical in structure size, the left sleeve and the right sleeve are respectively arranged on opposite side surfaces of the two first plate bodies and are in a bilateral symmetry state, the left sleeve comprises a sleeve barrel body and a connecting rod, the sleeve barrel body is a cylinder body with an upper end opening and a lower end closed, a strip-shaped through hole penetrating through the peripheral wall of the sleeve barrel body is vertically arranged at the right end of the peripheral wall of the sleeve barrel body, the connecting rod penetrates through the sleeve barrel body, the lower end of the connecting rod is positioned in the sleeve barrel body, the upper end of the connecting rod is positioned on the upper side of the sleeve barrel body, a second spring is connected between the lower end of the connecting rod and the inner bottom surface of the sleeve barrel body, the right end of the peripheral wall of the connecting rod is connected with a driving lever, the end of the driving lever penetrates through the strip-shaped through hole and is positioned on the right side of the sleeve barrel body, and the upper ends of the connecting rod in the left sleeve and the right sleeve are jointly connected with the bearing plate positioned below the box body, the bearing plate is a plate body with the same width as the width of the box body, the left part and the right part of the top surface of the bearing plate are respectively provided with a left limiting plate and a right limiting plate, the upper end of the left limit plate penetrates through the bottom plate of the box body and is positioned in the limit groove of the movable plate on the left top plate component, the upper end of the right limit plate penetrates through the bottom plate of the box body and is positioned in the limit groove of the movable plate on the right top plate component, the driving rod comprises a first rod body and a second rod body, the middle parts of the front end surface and the rear end surface of the bearing plate are respectively connected with the first rod body and the second rod body with upward end parts, the transverse plates comprise a first transverse plate and a second transverse plate, the first transverse plate and the second transverse plate are horizontally arranged at the upper ends of the middle parts of the front side surface and the rear side surface of the concrete beam and are respectively positioned in the first U-shaped groove and the second U-shaped groove, the bottom surfaces of the first transverse plate and the second transverse plate are respectively contacted with the upper ends of the first rod body and the second rod body.
Furthermore, both ends contact with the right flank of left cylinder and the left surface of right cylinder respectively about the bottom plate of box.
Further, the supporter includes fixed block and elastic block, the fixed block is fixed in on the inside bottom surface of box, the elastic block is installed on the fixed block top surface.
Further, the elastic block is a block body made of elastic rubber materials.
Furthermore, the rear side surfaces of the second plate bodies at the left end and the right end of the front side plate of the box body are respectively contacted with the front side surface of the left column body and the front side surface of the right column body, and the front side surfaces of the second plate bodies at the left end and the right end of the rear side plate of the box body are respectively contacted with the rear side surface of the left column body and the rear side surface of the right column body.
Further, the first spring and the second spring are both compression springs.
Furthermore, the front end and the rear end of the lower tie bar in the tie bar group are respectively spaced from the front inner side face and the rear inner side face of the box body, and the distance between the opposite end parts of the upper tie bar is larger than the width of the concrete beam.
Further, when the left limiting plate and the right limiting plate are respectively located in the limiting groove on the movable plate on the left top plate assembly and the limiting groove on the movable plate on the right top plate assembly, the left side surface and the right side surface of the support body are respectively spaced from the movable plates on the left side and the right side of the support body.
Further, the top surfaces of the first transverse plate and the second transverse plate are flush with the top surface of the concrete beam, the width of the first transverse plate is smaller than that of the first U-shaped groove, and the width of the second transverse plate is smaller than that of the second U-shaped groove.
Through the technical scheme, the invention has the beneficial effects that:
when the invention is used, the concrete beam is under the action of downward load, the upper part of the concrete beam is pressed, the middle part of the concrete beam is maximally deformed, the first transverse plate and the second transverse plate on the front side and the rear side of the concrete beam move downwards along with the deformation of the concrete beam in the downward deformation process of the concrete beam, the first transverse plate and the second transverse plate respectively downwards press the first rod body and the second rod body on the driving component, the first rod body and the second rod body drive the bearing plate to move downwards, the bearing plate drives the left limiting plate and the right limiting plate on the bearing plate to move downwards until the left limiting plate and the right limiting plate respectively depart from the limiting grooves on the movable plates on the left top plate component and the right top plate component, the movable plates on the left side and the right side of the support body are not limited any more, the movable plates on the left side and the right side of the support body move oppositely under the action of the first spring, and the movable plates on the left top plate component move rightwards, the clamping plate in the groove of the movable plate drives the plurality of rotating plates on the left top plate assembly to rotate anticlockwise, the right ends of the plurality of rotating plates upwards jack up the top plate body on the left side of the supporting body in the anticlockwise rotating process of the rotating plates, the top plate body upwards jacks up the left part of the concrete beam, the left parts of the plurality of rotating plates downwards rotate to pull the steel strands connected with the rotating plates, the steel strands pull down ribs in a plurality of rib groups on the left part of the concrete beam upwards in the pulling process, the left part of the concrete beam is pulled upwards leftwards, and similarly, in the leftward moving process of the movable plate on the right top plate assembly, the clamping plate in the groove of the movable plate drives the plurality of rotating plates on the right top plate assembly to rotate clockwise, the left ends of the plurality of rotating plates upwards jack up the top plate body on the right side of the supporting body, the top plate body upwards jacks up the right part of the concrete beam, and the right parts of the plurality of rotating plates downwards rotate to pull the steel strands connected with the rotating plates, in the process of pulling the steel strands, pulling lower tie bars in a plurality of tie bar groups at the right upper part of the concrete beam towards the right upper part, wherein the right part of the concrete beam is pulled towards the right upper part;
The deflector rod is pulled downwards artificially, the bearing plate moves downwards along with the deflector rod, the bearing plate drives the left limit plate and the right limit plate on the bearing plate to move downwards until the left limit plate and the right limit plate are separated from the limit grooves on the movable plates on the left top plate assembly and the right top plate assembly respectively, the movable plates on the left side and the right side of the support body are not limited any more, namely, the movable plates on the left side and the right side of the support body are released artificially in advance before the concrete beam is subjected to overhigh load, and upward pressure and outward tensile force on the lower part of the concrete beam are given, therefore, the concrete beam can give upward pressure to the lower part of the concrete beam under the action of the reinforcing steel structure in the processes of upper part compression and lower part tension, the outward tensile force on the upper part of the concrete beam can offset the stress on the upper part compression and the lower part tension of the concrete beam, and the invention solves the problem that the concrete beam bears large load, the concrete beam may have a problem of deformation by bending.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is a schematic view of the driving rod connected to the bearing plate according to the present invention;
FIG. 5 is a schematic view of the structure of the rotating plate of the present invention located in the groove of the movable plate;
FIG. 6 is a top plan view of the pulling assembly of the present invention positioned on a concrete beam and box;
FIG. 7 is a partial cross-sectional view of the present invention;
fig. 8 is a state diagram (partially in section) of the present invention in use.
The reference numbers in the drawings are as follows: the steel plate comprises a left column body 1, a sleeve barrel body 2, a first bolt 3, a second plate body 4, a second bolt 5, a concrete beam 6, a box body 7, a first U-shaped groove 8, a first transverse plate 9, a second transverse plate 10, a second U-shaped groove 11, a right column body 12, a first rod body 13, a bearing plate 14, a connecting rod 15, a shifting rod 16, a strip-shaped through hole 17, a first plate body 18, a first spring 19, an upper tie bar 21, a lower tie bar 22, a top plate 22, a steel strand 23, a right limiting plate 24, an elastic block 26, a fixing block 27, a rotating plate 28, a rotating shaft 29, a groove 30, a clamping plate 31, a movable plate 32, a limiting groove 33, a left limiting plate 34, a second spring 35 and a second rod body 36.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 8, a steel structure for concrete reinforcement comprises a concrete structure, the concrete structure comprises a concrete column and a concrete beam 6, the concrete column comprises a left column 1 and a right column 12, the concrete beam 6 is connected between the upper parts of the opposite side surfaces of the left column 1 and the right column 12, and the steel structure for reinforcement is further comprised;
The reinforced steel structure comprises a bearing box, a top plate assembly, a traction assembly and a driving assembly, the bearing box comprises a box body 7 and a fixed plate, the box body 7 is a hollow cuboid with a top surface and left and right side surfaces opened, the box body 7 is sleeved outside a concrete beam 6 from bottom to top, a space is arranged between the inner wall of the box body 7 and the outer wall of the concrete beam 6, the upper ends of the middle parts of the front side plate and the rear side plate of the box body 7 are respectively provided with a first U-shaped groove 8 and a second U-shaped groove 11 which are sunken towards the inside of the side plate and have upward openings, the first U-shaped groove 8 and the second U-shaped groove 11 respectively penetrate through the front side surface and the rear side surface of the side plate, the middle part of the inner bottom surface of the box body 7 is provided with a cuboid-shaped supporting body, the top surface of the supporting body is contacted with the middle part of the bottom surface of the concrete beam 6, the fixed plate comprises a first plate body 18 and a second plate body 4, and the first plate body 18 is two, two first plate body 18 is vertical respectively to be set up in both ends about the bottom plate bottom surface of box 7, be close to on the first plate body 18 that four right corners of first plate body 18 all set up first bolt through-hole, two first plate body 18 is installed on the left surface of 1 right flank of left cylinder and right cylinder 12 through first bolt 3 that passes the first bolt through-hole on the first plate body 18 in place respectively, both ends and posterior lateral plate all are provided with second plate body 4 about the preceding curb plate of box 7, be close to on the second plate body 4 that four right corners of second plate body 4 all set up second bolt through-hole, the second plate body 4 front side at both ends all with the preceding curb plate front side parallel and level of box 7 about the preceding curb plate of box 7, the second plate body 4 rear side at both ends all with the posterior lateral plate rear side parallel and level of box 7 about the posterior lateral plate of box 7, the preceding curb plate body of box 7 and the second plate body 4 of posterior left end are fixed in the front and back of left cylinder 1 through second bolt 5 respectively In the surface, the second plate bodies 4 at the right ends of the front side plate and the rear side plate of the box body 7 are respectively fixed on the front side surface and the rear side surface of the right column body 12 through second bolts 5;
The roof subassembly sets up between the inside bottom surface of box 7 and the 6 bottom surfaces of concrete beam, the roof subassembly includes the equal same left roof subassembly and right roof subassembly of structure size, left side roof subassembly and right roof subassembly set up respectively between the concrete beam 6 bottom surface of the left and right sides of supporter and the inside bottom surface of box 7, and be the bilateral symmetry state, left side roof subassembly includes fly leaf 32 and roof plate body 22, both ends respectively with the front and back medial surface sliding contact of box 7 around fly leaf 32, the length of fly leaf 32 is less than the distance between the left surface of supporter and the right flank of left cylinder, there is the interval between the bottom surface of fly leaf 32 and the inside bottom surface sliding contact of box 7, top surface and the bottom surface of concrete beam 6, the left end of fly leaf 32 is connected in the right flank of left cylinder through first spring 19, the bottom surface left part of fly leaf 32 is provided with to the inside sunken of fly leaf 32, A limiting groove 33 with a downward opening, a plurality of grooves 30 are arranged on the top surface of the movable plate 32 at intervals along the length direction of the movable plate 32, the front end and the rear end of each groove 30 respectively penetrate through the front end surface and the rear end surface of the movable plate 32, a clamping plate 31 with a rightward end portion is horizontally arranged in the middle of the upper end of the left side surface of each groove 30, an inclined rectangular rotating plate 28 is arranged in each groove 30, the left end of each rotating plate 28 is positioned below the clamping plate 31 on the groove 30, the right end of each rotating plate 28 is higher than the left end and is positioned above the top surface of the movable plate 32 on the right side of the groove 30, each rotating plate 28 is movably connected to the front inner side and the rear inner side surfaces of the box 7 through a rotating shaft 29 penetrating through the middle of the front end surface and the rear end surface of the rotating plate 28, the left end of the front end surface and the rear end surface of each rotating plate 28 is connected with a steel strand 23 with an upward end portion, and the top plate body 22 is arranged between the movable plate 32 and the bottom surface of the concrete beam 6, the front end and the rear end of the top plate body 22 are respectively spaced from the front inner side surface and the rear inner side surface of the box body 7, the left end and the right end of the top plate body 22 are respectively in sliding contact with the left side surface of the support body and the right side surface of the left column body, the right ends of the rotating plates 28 are respectively in contact with the bottom surface of the top plate body 22, a gap is formed between the top surface of the top plate body 22 and the bottom surface of the concrete beam 6, and the right end of the movable plate 32 on the right top plate assembly is connected with the left side surface of the right column body through a first spring 19;
The tractive subassembly includes equal same left tractive subassembly and right tractive subassembly of structure size, left side tractive subassembly and right tractive subassembly set up respectively in left roof subassembly top and right roof subassembly top, and be the bilateral symmetry state, left side tractive subassembly comprises a plurality of lacing wires group, every the recess 30 of fly leaf 32 on lacing wire group and the left roof subassembly is relative from top to bottom, lacing wire group is including last lacing wire 20 and lower lacing wire 21, lower lacing wire 21 passes concrete beam 6 from preceding back, and the front and back side of concrete beam 6 is all stretched out at both ends around the lacing wire, the quantity of going up lacing wire 20 has two, two go up the lacing wire and be located respectively around the left box front and back medial surface in lower lacing wire top of both sides around the concrete beam, two go up the lacing wire around relative, steel strand wires 23 upper end on the terminal surface before the commentaries on classics board 28 in the left roof subassembly in every recess 30 walks around the lacing wire 20 connection of concrete beam front side in the lacing wire group that recess 30 corresponds The concrete beam front side lower tie bar 21, the upper end of the steel strand 23 on the rear end face of the rotating plate 28 in each groove 30 on the left top plate assembly bypasses the upper tie bar 20 on the rear side of the concrete beam in the tie bar group corresponding to the groove 30 and is connected with the concrete beam rear side lower tie bar 21, the upper end of the steel strand 23 on the front end face of the rotating plate 28 in each groove 30 on the right top plate assembly bypasses the upper tie bar 20 on the front side of the concrete beam in the tie bar group corresponding to the groove 30 and is connected with the concrete beam front side lower tie bar 21, and the upper end of the steel strand 23 on the rear end face of the rotating plate 28 in each groove 30 on the right top plate assembly bypasses the upper tie bar 20 on the rear side of the concrete beam in the tie bar group corresponding to the groove 30 and is connected with the concrete beam rear side lower tie bar 21;
The driving assembly comprises a sleeve, a bearing plate 14, a driving rod and a transverse plate, the sleeve comprises a left sleeve and a right sleeve which are identical in structure size, the left sleeve and the right sleeve are respectively arranged on opposite side surfaces of two first plate bodies 18 and are in a bilateral symmetry state, the left sleeve comprises a sleeve barrel 2 and a connecting rod 15, the sleeve barrel 2 is a cylinder body with an open upper end and a closed lower end, a strip-shaped through hole 17 penetrating through the peripheral wall of the sleeve barrel 2 is vertically arranged at the right end of the peripheral wall of the sleeve barrel 2, the connecting rod 15 is arranged in the sleeve barrel 2 in a penetrating manner, the lower end of the connecting rod 15 is arranged in the sleeve barrel 2, the upper end of the connecting rod 15 is arranged at the upper side of the sleeve barrel 2, a second spring 35 is connected between the lower end of the connecting rod 15 and the inner bottom surface of the sleeve barrel 2, the right end of the peripheral wall of the connecting rod 15 is connected with a shift lever 16, and the end of the shift lever 16 passes through the strip-shaped through hole 17 and is arranged at the right side of the sleeve barrel 2, the upper end of the connecting rod 15 in the left sleeve and the right sleeve is jointly connected with a bearing plate 14 positioned below the box body 7, the bearing plate 14 is a plate body with the same width as the box body 7, the left part and the right part of the top surface of the bearing plate 14 are respectively provided with a left limiting plate 34 and a right limiting plate 24, the upper end of the left limiting plate 34 penetrates through the bottom plate of the box body 7 and is positioned in a limiting groove 33 of a movable plate on a left top plate assembly, the upper end of the right limiting plate 24 penetrates through the bottom plate of the box body 7 and is positioned in a limiting groove 33 of a movable plate on a right top plate assembly, the driving rod comprises a first rod body 13 and a second rod body 36, the middle parts of the front end surface and the rear end surface of the bearing plate 14 are respectively connected with a first rod body 13 and a second rod body 36 with upward end parts, the transverse plate comprises a first transverse plate 9 and a second transverse plate 10, the first transverse plate 9 and the second transverse plate 10 are horizontally arranged at the upper ends of the front side surface and the rear side surface of the concrete beam 6 and are respectively positioned in a first U-shaped groove 8 and a second U-shaped groove 11, the bottom surfaces of the first transverse plate 9 and the second transverse plate 10 are respectively contacted with the upper ends of the first rod body 13 and the second rod body 36.
The left end and the right end of the bottom plate of the box body 7 are respectively contacted with the right side surface of the left column body 1 and the left side surface of the right column body 12.
The support body comprises a fixed block 27 and an elastic block 26, the fixed block 27 is fixed on the bottom surface inside the box body 7, and the elastic block 26 is installed on the top surface of the fixed block 27.
The elastic block 26 is a block made of elastic rubber material.
The rear side surfaces of the second plate bodies 4 at the left end and the right end of the front side plate of the box body 7 are respectively contacted with the front side surface of the left column body 1 and the front side surface of the right column body 12, and the front side surfaces of the second plate bodies 4 at the left end and the right end of the rear side plate of the box body 7 are respectively contacted with the rear side surface of the left column body 1 and the rear side surface of the right column body 12.
The first spring 19 and the second spring 35 are both compression springs.
The front end and the rear end of a lower lacing wire in the lacing wire group are respectively spaced from the front inner side and the rear inner side of the box body 7, and the distance between the opposite end parts of the upper lacing wires is larger than the width of the concrete beam.
When the left limit plate 34 and the right limit plate 24 are respectively located in the limit groove 33 on the movable plate 32 on the left top plate assembly and the limit groove 33 on the movable plate 32 on the right top plate assembly, a distance is respectively formed between the left side surface and the right side surface of the support body and the movable plates 32 on the left side and the right side of the support body.
The top surface of first diaphragm 9 and second diaphragm 10 all with concrete beam 6's top surface parallel and level, the width of first diaphragm 9 is less than the width in first U type groove 8, and the width of second diaphragm 10 is less than the width in second U type groove 11.
When the device is used, the concrete beam is under the downward loading effect, the upper part of the concrete beam is pressed, the middle part of the concrete beam is maximally deformed, the first transverse plate and the second transverse plate on the front side and the rear side of the concrete beam move downwards along with the deformation of the concrete beam in the downward deformation process of the concrete beam, the first transverse plate and the second transverse plate respectively downwards press the first rod body and the second rod body on the driving assembly, the first rod body and the second rod body drive the loading plate to move downwards, the loading plate drives the left limiting plate and the right limiting plate on the loading plate to move downwards until the left limiting plate and the right limiting plate respectively depart from the limiting grooves on the movable plates on the left top plate assembly and the right top plate assembly, the movable plates on the left side and the right side of the support body are not limited any more, the movable plates on the left side and the right side of the support body move in opposite directions under the action of the first spring, and the movable plates on the left top plate assembly move rightwards, the clamping plate in the groove of the movable plate drives the plurality of rotating plates on the left top plate assembly to rotate anticlockwise, the right ends of the plurality of rotating plates upwards jack up the top plate body on the left side of the supporting body in the anticlockwise rotating process of the rotating plates, the top plate body upwards jacks up the left part of the concrete beam, the left parts of the plurality of rotating plates downwards rotate to pull the steel strands connected with the rotating plates, the steel strands pull down ribs in a plurality of rib groups on the left part of the concrete beam upwards in the pulling process, the left part of the concrete beam is pulled upwards leftwards, and similarly, in the leftward moving process of the movable plate on the right top plate assembly, the clamping plate in the groove of the movable plate drives the plurality of rotating plates on the right top plate assembly to rotate clockwise, the left ends of the plurality of rotating plates upwards jack up the top plate body on the right side of the supporting body, the top plate body upwards jacks up the right part of the concrete beam, and the right parts of the plurality of rotating plates downwards rotate to pull the steel strands connected with the rotating plates, in the process of pulling the steel strands, pulling lower tie bars in a plurality of tie bar groups at the right upper part of the concrete beam towards the right upper part, wherein the right part of the concrete beam is pulled towards the right upper part;
The deflector rod is pulled downwards artificially, the bearing plate moves downwards along with the deflector rod, the bearing plate drives the left limit plate and the right limit plate on the bearing plate to move downwards until the left limit plate and the right limit plate are separated from the limit grooves on the movable plates on the left top plate assembly and the right top plate assembly respectively, the movable plates on the left side and the right side of the support body are not limited any more, namely, the movable plates on the left side and the right side of the support body are released artificially in advance before the concrete beam is subjected to overhigh load, and upward pressure and outward tensile force on the lower part of the concrete beam are given, therefore, the concrete beam can give upward pressure to the lower part of the concrete beam under the action of the reinforcing steel structure in the processes of upper part compression and lower part tension, the outward tensile force on the upper part of the concrete beam can offset the stress on the upper part compression and the lower part tension of the concrete beam, and the invention solves the problem that the concrete beam bears large load, the concrete beam may have a problem of deformation by bending.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent or equivalent modifications or substitutions may be made within the scope of the present invention without departing from the spirit or scope of the invention.
Claims (9)
1. A steel structure for reinforcing concrete comprises a concrete structure, wherein the concrete structure comprises a concrete column and a concrete beam (6), the concrete column comprises a left column body (1) and a right column body (12), and the concrete beam (6) is connected between the upper parts of the opposite side surfaces of the left column body (1) and the right column body (12), and is characterized by further comprising a reinforcing steel structure;
the reinforced steel structure comprises a bearing box, a top plate assembly, a traction assembly and a driving assembly, the bearing box comprises a box body (7) and a fixed plate, the box body (7) is a hollow cuboid with a top surface and left and right side openings, the box body (7) is sleeved outside the concrete beam (6) from bottom to top, an interval is reserved between the inner wall of the box body (7) and the outer wall of the concrete beam (6), the upper ends of the middle parts of the front side plate and the rear side plate of the box body (7) are respectively provided with a first U-shaped groove (8) and a second U-shaped groove (11) which are sunken inside the side plate and have upward openings, the first U-shaped groove (8) and the second U-shaped groove (11) penetrate through the front side surface and the rear side surface of the side plate respectively, the middle part of the inner bottom surface of the box body (7) is provided with a cuboid supporting body, the top surface of the supporting body is contacted with the middle part of the bottom surface of the concrete beam (6), the fixed plate comprises a first plate body (18) and a second plate body (4), the number of the first plate bodies (18) is two, the two first plate bodies (18) are respectively vertically arranged at the left end and the right end of the bottom plate bottom surface of the box body (7), the first plate bodies (18) are provided with first bolt through holes close to four right angles of the first plate bodies (18), the two first plate bodies (18) are respectively installed on the right side surface of the left column body (1) and the left side surface of the right column body (12) through first bolts (3) penetrating through the first bolt through holes on the first plate bodies (18), the left end and the right end of the front side plate of the box body (7) are respectively provided with second plate bodies (4) at the left end and the right end of the rear side plate, the second plate bodies (4) close to the four right angles of the second plate bodies (4) are respectively provided with second bolt through holes, the front side surfaces of the second plate bodies (4) at the left end and the right end of the front side plate of the box body (7) are parallel and level with the front side surface of the box body (7), the rear side surfaces of second plate bodies (4) at the left end and the right end of a rear side plate of the box body (7) are flush with the rear side surface of the rear side plate of the box body (7), the second plate bodies (4) at the left end of a front side plate and the left end of the rear side plate of the box body (7) are fixed on the front side surface and the rear side surface of the left column body (1) through second bolts (5), and the second plate bodies (4) at the right ends of the front side plate and the rear side plate of the box body (7) are fixed on the front side surface and the rear side surface of the right column body (12) through second bolts (5);
The roof assembly is arranged between the bottom surface inside the box body (7) and the bottom surface of the concrete beam (6), the roof assembly comprises a left roof assembly and a right roof assembly which are the same in structure size, the left roof assembly and the right roof assembly are respectively arranged between the bottom surfaces of the concrete beam (6) on the left side and the right side of the supporting body and the bottom surface inside the box body (7) and are in bilateral symmetry, the left roof assembly comprises a movable plate (32) and a roof plate body (22), the front end and the rear end of the movable plate (32) are in sliding contact with the front inner side surface and the rear inner side surface of the box body (7) respectively, the length of the movable plate (32) is smaller than the distance between the left side surface of the supporting body and the right side surface of the left column body, intervals are arranged between the bottom surface of the movable plate (32) and the bottom surface of the concrete beam (6) and the bottom surface of the box body (7), and the left end of the movable plate (32) is connected to the right side surface of the left column body through a first spring (19), the left part of the bottom surface of the movable plate (32) is provided with a limiting groove (33) which is sunken towards the inside of the movable plate (32) and has an opening facing downwards, a plurality of grooves (30) are arranged on the top surface of the movable plate (32) at intervals along the length direction of the movable plate (32), the front end and the rear end of each groove (30) respectively penetrate through the front end surface and the rear end surface of the movable plate (32), the middle part of the upper end of the left side surface of each groove (30) is horizontally provided with a clamping plate (31) with an end facing right, an inclined rectangular rotating plate (28) is arranged in each groove (30), the left end of each rotating plate (28) is positioned below the clamping plate (31) on the groove (30), the right end of each rotating plate is higher than the left end and positioned above the top surface of the movable plate (32) on the right side of the groove (30), and each rotating plate (28) is movably connected to the front inner side surface and the rear side surface of the box body (7) through a rotating shaft (29) penetrating through the middle parts of the front end surface and the rear end surface of the rotating plate (28), the left part of the front end face and the rear end face of each rotating plate (28) is connected with a steel strand (23) with an upward end part, a top plate body (22) is arranged between the bottom faces of the movable plates (32) and the concrete beam (6), the front end and the rear end of the top plate body (22) are respectively spaced from the front inner side face and the rear inner side face of the box body (7), the left end and the right end of the top plate body (22) are respectively in sliding contact with the left side face of the supporting body and the right side face of the left column body, the right ends of the plurality of rotating plates (28) are respectively contacted with the bottom faces of the top plate body (22), the top face of the top plate body (22) is spaced from the bottom face of the concrete beam (6), and the right end of the movable plate (32) on the right top plate assembly is connected with the left side face of the right column body through a first spring (19);
The tractive subassembly includes equal same left tractive subassembly and right tractive subassembly of structure size, left side tractive subassembly and right tractive subassembly set up respectively in left roof subassembly top and right roof subassembly top, and be the bilateral symmetry state, left side tractive subassembly comprises a plurality of lacing wires group, every recess (30) of fly leaf (32) on lacing wire group and the left roof subassembly are relative from top to bottom, lacing wire group is including lacing wire (20) and lower lacing wire (21), lacing wire (21) pass concrete beam (6) from the front to back, and the front and back side of concrete beam (6) is all stretched out at both ends around the lower lacing wire, the quantity of going up lacing wire (20) has two, two go up the lacing wire and be located around the left box front and back medial surface in lower lacing wire top of both sides around the concrete beam respectively, two go up the lacing wire is relative around, and walk around place concave recess (23) on the rotor plate (28) preceding terminal surface in every recess (30) on the left roof subassembly The upper tie bar (20) at the front side of the concrete beam in the tie bar group corresponding to the groove (30) is connected with the lower tie bar (21) at the front side of the concrete beam, the upper tie bar (20) at the rear side of the concrete beam in the tie bar group corresponding to the groove (30) on which the upper end of the steel strand (23) at the rear end surface of the rotating plate (28) in each groove (30) on the left top plate component bypasses is connected with the lower tie bar (21) at the rear side of the concrete beam, the upper tie bar (20) at the front end surface of the concrete beam in the tie bar group corresponding to the groove (30) on the right top plate component bypasses is connected with the lower tie bar (21) at the front side of the concrete beam in the tie bar group corresponding to the groove (30), the upper ends of the steel strands (23) on the rear end face of the rotating plate (28) in each groove (30) on the right top plate assembly bypass the upper tie bars (20) on the rear side of the concrete beam in the tie bar group corresponding to the groove (30) in which the upper tie bars are positioned to be connected with the lower tie bars (21) on the rear side of the concrete beam;
The driving assembly comprises a sleeve, a bearing plate (14), a driving rod and a transverse plate, the sleeve comprises a left sleeve and a right sleeve which are identical in structure size, the left sleeve and the right sleeve are respectively arranged on the opposite side surfaces of the two first plate bodies (18) and are in a bilateral symmetry state, the left sleeve comprises a sleeve barrel body (2) and a connecting rod (15), the sleeve barrel body (2) is a cylinder body with an upper end opening and a lower end being closed, a strip-shaped through hole (17) penetrating through the circumferential wall of the sleeve barrel body (2) is vertically arranged at the right end of the circumferential wall of the sleeve barrel body (2), the connecting rod (15) is arranged in the sleeve barrel body (2) in a penetrating manner, the lower part of the connecting rod (15) is positioned in the sleeve barrel body (2), the upper end of the connecting rod is positioned at the upper side of the sleeve barrel body (2), and a second spring (35) is connected between the lower end of the connecting rod (15) and the inner bottom surface of the sleeve barrel body (2), the right end of the peripheral wall of the connecting rod (15) is connected with a shifting rod (16), the end part of the shifting rod (16) penetrates through a strip-shaped through hole (17) and is positioned on the right side of the sleeve barrel body (2), the upper ends of the connecting rod (15) in the left sleeve and the right sleeve are jointly connected with a bearing plate (14) positioned below the box body (7), the bearing plate (14) is a plate body with the same width as that of the box body (7), the left part and the right part of the top surface of the bearing plate (14) are respectively provided with a left limiting plate (34) and a right limiting plate (24), the upper end of the left limiting plate (34) penetrates through the bottom plate of the box body (7) and is positioned in a limiting groove (33) of the movable plate on the left top plate assembly, the upper end of the right limiting plate (24) penetrates through the bottom plate of the box body (7) and is positioned in the limiting groove (33) of the movable plate on the right top plate assembly, the driving rod comprises a first rod body (13) and a second rod body (36), the bearing board (14) around the terminal surface middle part be connected with the first body of rod (13) and the second body of rod (36) of tip up respectively, the diaphragm includes first diaphragm (9) and second diaphragm (10), first diaphragm (9) and second diaphragm (10) level set up in the front and back side middle part upper end of concrete beam (6) and are located first U type groove (8) and second U type groove (11) respectively, the bottom surface of first diaphragm (9) and second diaphragm (10) contacts with the upper end of the first body of rod (13) and the second body of rod (36) respectively.
2. The steel structure for reinforcing concrete according to claim 1, wherein the left and right ends of the bottom plate of the box body (7) are in contact with the right side surface of the left column body (1) and the left side surface of the right column body (12), respectively.
3. A steel structure for reinforcing concrete according to claim 1, wherein said supporting body comprises a fixing block (27) and an elastic block (26), said fixing block (27) being fixed to the inner bottom surface of the box body (7), said elastic block (26) being mounted on the top surface of the fixing block (27).
4. A steel structure for concrete reinforcement according to claim 3, characterized in that said elastic blocks (26) are block-shaped bodies made of elastic rubber material.
5. The steel structure for reinforcing concrete according to claim 1, wherein the rear sides of the second plate bodies (4) at the left and right ends of the front side plate of the box body (7) are in contact with the front side of the left column (1) and the front side of the right column (12), respectively, and the front sides of the second plate bodies (4) at the left and right ends of the rear side plate of the box body (7) are in contact with the rear side of the left column (1) and the rear side of the right column (12), respectively.
6. A steel structure for concrete reinforcement according to claim 1, characterized in that said first spring (19) and said second spring (35) are compression springs.
7. The steel structure for reinforcing concrete according to claim 1, wherein the front and rear ends of the lower tie bar in the tie bar group are spaced apart from the front and rear inner side surfaces of the box body (7), respectively, and the distance between the opposite end portions of the two upper tie bars is greater than the width of the concrete beam.
8. The steel structure for reinforcing concrete according to claim 1, wherein when the left limiting plate (34) and the right limiting plate (24) are respectively located in the limiting groove (33) of the movable plate (32) on the left top plate assembly and the limiting groove (33) of the movable plate (32) on the right top plate assembly, the left and right sides of the support body are respectively spaced from the movable plates (32) on the left and right sides of the support body.
9. A steel structure for reinforcing concrete according to claim 1, characterized in that the top surfaces of said first and second transverse plates (9, 10) are flush with the top surface of the concrete beam (6), the width of said first transverse plate (9) being smaller than the width of the first U-shaped channel (8), the width of the second transverse plate (10) being smaller than the width of the second U-shaped channel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849419.4A CN113585800A (en) | 2021-07-27 | 2021-07-27 | Steel construction of usefulness is consolidated to concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849419.4A CN113585800A (en) | 2021-07-27 | 2021-07-27 | Steel construction of usefulness is consolidated to concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113585800A true CN113585800A (en) | 2021-11-02 |
Family
ID=78250623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110849419.4A Pending CN113585800A (en) | 2021-07-27 | 2021-07-27 | Steel construction of usefulness is consolidated to concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113585800A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875927A (en) * | 2021-12-30 | 2022-08-09 | 郑州市轨道交通设计研究院有限公司 | H-shaped steel supporting structure |
-
2021
- 2021-07-27 CN CN202110849419.4A patent/CN113585800A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875927A (en) * | 2021-12-30 | 2022-08-09 | 郑州市轨道交通设计研究院有限公司 | H-shaped steel supporting structure |
| CN114875927B (en) * | 2021-12-30 | 2023-11-07 | 郑州市轨道交通设计研究院有限公司 | H-shaped steel supporting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108842912B (en) | Assembled self-resetting prestressed concrete frame friction energy dissipation node | |
| CN113585800A (en) | Steel construction of usefulness is consolidated to concrete | |
| CN106988200B (en) | Longitudinal non-shearing resistance perforated steel plate anti-pulling connecting piece and construction method thereof | |
| CN101435182A (en) | Steel bridge folding temporary locking method | |
| CN110409283B (en) | Rib-free prestressed self-maintenance composite beam based on slow-bonding prestressed UHPC permanent formwork and construction method | |
| EP2959060B1 (en) | Road expansion joint | |
| CN109706812B (en) | Construction method and device for geosynthetic reinforced soil structure | |
| CN106013418B (en) | The construction method of connecting platform and building structure between a kind of adjacent skyscraper | |
| CN104802230B (en) | Prestress reinforced recombined bamboo production mold | |
| CN210216153U (en) | Assembly type prestress bracket pre-pressing system | |
| CN204940273U (en) | A kind of Prestressed anchor rope with pressure dispersing construction equipment | |
| KR101730798B1 (en) | Form traveller | |
| CN201381470Y (en) | Assembled variable cross-section composite continuous bridge | |
| CN116717020A (en) | Steel structure building assembled steel bar truss floor support plate and construction method thereof | |
| CN211256848U (en) | High-pile wharf support | |
| KR20030057713A (en) | Method for construction of linear steel bridge | |
| CN112482789A (en) | Detachable support frame for hoisting large-span prefabricated member and manufacturing technology thereof | |
| CN220035223U (en) | Protection equipment | |
| CN217176644U (en) | Low alloy steel panel structure of two lining platform trucks | |
| CN111395164A (en) | Steel box girder pushing structure for bridge construction | |
| CN111502031B (en) | Connecting structure of beam and wall | |
| CN220908400U (en) | Top holding and pressing integrated static pressure pile device | |
| CN112663504B (en) | Moving device for anchoring prestressed steel beams | |
| CN116873756A (en) | Low-position lifting device for local lifting structure | |
| TWI817912B (en) | Pre-stressed fiber board structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211102 |
|
| WD01 | Invention patent application deemed withdrawn after publication |