CN110586815A - Size-adjustable multi-layer steel bar net high-precision machining jig frame and using method - Google Patents
Size-adjustable multi-layer steel bar net high-precision machining jig frame and using method Download PDFInfo
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- CN110586815A CN110586815A CN201910971155.2A CN201910971155A CN110586815A CN 110586815 A CN110586815 A CN 110586815A CN 201910971155 A CN201910971155 A CN 201910971155A CN 110586815 A CN110586815 A CN 110586815A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 238000003754 machining Methods 0.000 title claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 82
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 80
- 238000010276 construction Methods 0.000 description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 210000003205 muscle Anatomy 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 239000011295 pitch Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/08—Making wire network, i.e. wire nets with additional connecting elements or material at crossings
- B21F27/10—Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a high-precision processing jig frame of a multilayer steel bar mesh with adjustable size and a using method thereof, which are applied to the technical field of constructional engineering. The installation of the jig frame and the processing of the reinforcing mesh are from bottom to top, the working procedure is reasonable, the process is simple, and the field operation is easy.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a high-precision machining jig frame for a multi-layer steel bar net with an adjustable size and a using method of the jig frame.
Background
The reinforced concrete structure has the advantages of high bearing capacity, good ductility, good economy and the like, so the reinforced concrete structure is widely applied to high-rise and super high-rise buildings at home and abroad. The traditional reinforced concrete structure cast-in-place process comprises the steps of manually binding reinforcing steel bars, sealing a mold and pouring concrete one by one on a construction site, and the construction mode has the defects of poor positioning of the reinforcing steel bars, difficulty in ensuring binding quality, large field workload, long construction period, low construction efficiency and the like. The integral prefabricated reinforcing mesh building process can solve a plurality of problems existing in the traditional cast-in-place process, the reinforcing mesh framework formed in a factory is transported to a construction site, hoisted and connected, and then concrete pouring is carried out, and the integral prefabricated reinforcing mesh building process has the advantages of high construction speed, high construction precision, reliable construction quality and the like, and is one of the future development directions.
The design of the jig frame is a key link for building the integral prefabricated reinforced net. The forming of the reinforcing bar net needs to specially customize and process the jig frame so as to ensure that the spacing and the positioning of the reinforcing bars and the size of the formed reinforcing bar net can be accurately controlled.
However, the existing jig frame for forming the reinforcing bar net mainly focuses on a single layer of reinforcing bar net, and for the processing and forming of a multi-layer reinforcing bar net, due to the difference of the size of the shear wall, the difference of the requirements of the longitudinal bar spacing, the horizontal bar spacing and the reinforcing bar net layer spacing, the customization of the jig frame is required, that is, different jig frames are adopted to support the construction and production of different multi-layer reinforcing bar nets, so that the existing jig frame for processing the reinforcing bar net has the defects of incapability of recycling, poor adjustability, high apportionment cost, poor economy and the like.
The precision control is the core technology of the integral prefabricated reinforcing mesh building process, and the vertically reserved inserted bar (longitudinal bar) construction in the shear wall is used as a first ring of the integral prefabricated reinforcing mesh building process, which is related to whether the subsequent integral prefabricated reinforcing mesh can be successfully installed. For the multi-layer reinforcing mesh, the free adjustment and the accurate control of the two types of sizes, namely the longitudinal bar spacing and the reinforcing mesh layer spacing, directly relate to the success of the longitudinal butt joint installation of a plurality of subsequent multi-layer reinforcing meshes.
Disclosure of Invention
In view of the above, the present invention provides a size-adjustable multi-layer steel bar mesh high-precision processing jig frame and a use method thereof, so that multi-layer steel bar meshes with different longitudinal bar pitches, horizontal bar pitches and steel bar mesh layer pitches can be produced on the same jig frame, the production flexibility of the jig frame is improved, the procurement cost and the resource waste caused by customizing the jig frame are reduced, the apportionment cost is reduced, the free and high-precision adjustment of the longitudinal bar pitches and the steel bar mesh layer pitches of the processed multi-layer steel bar mesh is realized, and the successful installation of the subsequent integrally prefabricated steel bar mesh is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
a multilayer steel bar net high-precision processing jig frame with adjustable size comprises a plurality of vertical supports, a cross beam support assembly, a cross beam, a longitudinal bar limiter, at least one long longitudinal bar limiting plate and at least one short longitudinal bar limiting plate; the vertical supports are arranged in a rectangular array, and each vertical support consists of a channel steel and two vertical plates; the two vertical plates are respectively welded with two wings of the channel steel or integrally formed, and vertically extend along the opening direction of the channel steel, and a plurality of strip-shaped holes which correspond to each other are arranged at equal intervals in the vertical direction; the cross beam supporting assembly comprises a plug pin and an L-shaped inserting plate; the horizontal section of the L-shaped plug board penetrates through strip-shaped holes corresponding to each other on two oppositely arranged vertical boards, and the vertical section is attached to the outer wall surface of one vertical board; the plug pin is inserted from a pin hole formed by the part of the horizontal section of the L-shaped plug board extending out of the vertical board to form the limit of the L-shaped plug board; the cross section of the cross beam is in a groove shape which can be just placed in the channel steel of the vertical support, wherein the cross beam positioned at the lowermost layer of the jig frame is detachably connected in the channel steel of the vertical support through a fastener, and the rest cross beams are arranged between two vertical plates of the vertical support through an L-shaped plugboard frame in the cross beam support assembly; the openings of all the cross beams are upward; the longitudinal beams are detachably connected between the cross beams at different longitudinal positions through the lug plates and the fasteners, and the longitudinal beams are only distributed on two peripheral sides of the uppermost layer and the lowermost layer of the jig frame; the longitudinal rib limiter comprises an arc-shaped bracket and a square base which are connected through a connecting rod, and a plurality of longitudinal rib limiters are uniformly arranged in a groove with an upward opening of each cross beam; the square base is made of magnetic materials, and the size of the square base can be just clamped in the opening of the cross beam and cannot rotate; the long longitudinal rib limiting plate and the short longitudinal rib limiting plate are respectively clamped on the longitudinal beam on the same side of the jig frame, and the long longitudinal rib limiting plate is located on the outer side of the short longitudinal rib limiting plate relative to the jig frame.
Preferably, the top of the connecting rod is provided with an external thread; the bottom of the arc-shaped support is provided with a threaded hole which is matched and connected with the external thread; the bottom of the connecting rod is a cylindrical clamping seat with the diameter which is steeply increased compared with the diameter of the middle part; the top of the square base is provided with a through groove in clamping fit with the bottom of the connecting rod; the cross section of the through groove is convex.
Preferably, the groove with the upward opening of the cross beam is provided with an extension beam in a sliding manner through a sliding groove structure.
Preferably, the device also comprises at least one longitudinal rib clapboard; the longitudinal rib clapboard is clamped on the longitudinal beam between the long longitudinal rib limiting plate and the short longitudinal rib limiting plate, and the lower end of the longitudinal rib clapboard is provided with a plurality of limiting holes with downward openings for the long longitudinal ribs to pass through.
Preferably, the anti-backing clamp is arranged at the joint of the long longitudinal rib limiting plate, the short longitudinal rib limiting plate and the longitudinal rib clapboard with the longitudinal beam; the stopping clamp is clamped on the longitudinal beam at the joint and positioned on the outer sides of the long longitudinal rib limiting plate, the short longitudinal rib limiting plate and the longitudinal rib partition plate relative to the jig frame, and a rubber layer for increasing friction force is laid between the stopping clamp and the clamping surface of the longitudinal beam.
Preferably, the backstop clamp is a tension-clamp type structure comprising a left clamp member and a right clamp member connected by at least one tension spring.
The use method of the high-precision processing jig frame for the multilayer steel bar mesh with the adjustable size comprises the following steps:
s1: arranging a plurality of vertical supports in a rectangular array according to the size of the shear wall, and connecting the cross beam at the bottom layer with the vertical supports;
s2: connecting a plurality of longitudinal beams between the cross beams of the bottom layers at different longitudinal positions according to the size of the shear wall;
s3: a plurality of longitudinal bar limiters are arranged at intervals in the upward-opening groove of the bottom layer beam according to the requirement of the spacing of the longitudinal bars;
s4: arranging a plurality of beam support assemblies at intervals between the two vertical plates of all the vertical supports according to the requirements of the number of the reinforcing mesh layers and the spacing of the reinforcing mesh layers, and sequentially placing beams from bottom to top;
s5: connecting a plurality of longitudinal beams between the cross beams of the top layers at different longitudinal positions according to the size of the shear wall;
s6: arranging a plurality of longitudinal rib limiters at intervals in the cross beam arranged in the S4 according to the rib arrangement distance requirement of the longitudinal ribs;
s7: respectively clamping a short longitudinal rib limiting plate, a longitudinal rib clapboard and a long longitudinal rib limiting plate on a longitudinal beam on one side of a jig frame from inside to outside, and respectively clamping a backstop clamp at the joint of the long longitudinal rib limiting plate, the short longitudinal rib limiting plate and the longitudinal rib clapboard and the longitudinal beam;
s8: arranging top-layer hidden column longitudinal ribs, namely penetrating long longitudinal ribs and short longitudinal ribs from one side of a jig frame, and supporting the long longitudinal ribs and the short longitudinal ribs through arc-shaped supports of longitudinal rib limiting plates until the long longitudinal ribs and the short longitudinal ribs respectively abut against long longitudinal rib limiting plates and short longitudinal rib limiting plates, wherein the long longitudinal ribs can pass through the short longitudinal rib limiting plates and limiting holes in longitudinal rib clapboards without interference;
s9: arranging a plurality of hidden column stirrups at intervals according to the requirement of the distance between horizontal ribs in the circumferential direction of the hidden column longitudinal ribs arranged in S8;
s10: arranging other hidden column longitudinal ribs except the finished part of S8, and then welding all hidden column stirrups;
s11: arranging all bottom layer longitudinal bars except the hidden column area;
s12: arranging and welding and fixing all the horizontal ribs of the bottom layer;
s13: arranging all the longitudinal ribs and the horizontal ribs of the middle layer, and welding and fixing;
s14: arranging all the longitudinal ribs and the horizontal ribs on the top layer, and welding and fixing; then, welding a lifting hook on one side of the jig frame, which is far away from the long longitudinal rib limiting plate;
s15: dismantling the long longitudinal rib limiting plate, the short longitudinal rib limiting plate, the longitudinal rib partition plate and the top longitudinal beam;
s16: lifting the formed reinforcing mesh slightly by using a four-point crane;
s17: sequentially removing the cross beam support assembly, the longitudinal rib limiter and all cross beams except the bottom layer from top to bottom;
s18: and the four-point hoisting is changed into end two-point hoisting, the reinforcing mesh is hoisted, and the subsequent processes of transferring and installing the reinforcing mesh are carried out.
Preferably, between S12 and S13, the method further comprises the steps of: placing and welding X-shaped reinforcing ribs on the bottom layer of the reinforcing mesh;
preferably, between S14 and S15, the method further comprises the steps of: placing and welding X-shaped reinforcing ribs on the top layer of the reinforcing mesh;
preferably, between S14 and S15, the method further comprises the steps of: and (4) installing and welding tie bars in the area of the reinforcing mesh, which is not the hidden column.
Preferably, two ends of the tie bar are respectively connected with two adjacent layers of reinforcing mesh, or two ends of the tie bar are respectively connected with the reinforcing mesh connected with the topmost layer and the bottommost layer.
The invention has the beneficial effects that:
1. the jig frame can produce the multilayer reinforcing mesh with different longitudinal bar intervals, horizontal bar intervals and reinforcing mesh layer intervals on the same jig frame, improves the production flexibility of the jig frame, reduces the purchasing cost and resource waste brought by customizing the jig frame, reduces the allocation cost, realizes the free and high-precision adjustment of the longitudinal bar intervals and the reinforcing mesh layer interval sizes of the processed multilayer reinforcing mesh, and ensures the successful installation of the subsequent integral prefabricated reinforcing mesh.
2. The method for using the jig frame has the advantages that the reinforcing mesh is installed and processed from bottom to top, the working procedure is reasonable, the process is simple, the field operation is easy, and the adjustment of the sizes of the longitudinal rib spacing, the reinforcing mesh interlayer spacing and the like is facilitated.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic overall view of the jig frame structure according to the present invention;
FIG. 2 is an enlarged view of a portion of the jig frame according to the present invention;
FIG. 3 is a schematic view of a longitudinal rib stopper;
FIG. 4 is a schematic view of a square base structure;
FIG. 5 is a schematic view of a structure of the retaining clip;
FIG. 6 is a schematic view of a method step S1 for using the jig frame;
FIG. 7 is a schematic view of a method step S2 for using the tire carrier;
FIG. 8 is a schematic view of a method step S3 for using the jig frame;
FIGS. 9 and 10 are schematic diagrams of a step S4 of a method for using a jig frame;
FIG. 11 is a schematic view of a method step S5 for using the tire carrier;
FIG. 12 is a schematic view of steps S6, S7 of the method for using the tire frame;
FIG. 13 is a schematic view of a method step S8 for using the tire carrier;
FIG. 14 is a schematic view of a method step S9 for using the tire carrier;
FIG. 15 is a schematic view of a method step S10 for using the tire carrier;
fig. 16 is a schematic view of a jig frame using method step S11;
fig. 17 is a schematic view of a jig frame using method step S12;
FIG. 18 is a schematic view of a method step S13 for using the tire carrier;
FIG. 19 is a schematic view of a method step S14 for using the tire carrier;
FIG. 20 is a schematic view of a method step S15 for using the tire carrier;
FIG. 21 is a schematic view of a method step S16 for using the tire carrier;
FIG. 22 is a schematic view of a method step S17 for using the tire carrier;
fig. 23 is a schematic view of a step S18 of a method for using a tire frame.
The drawings are numbered as follows: the vertical supporting device comprises a vertical support 1, a channel steel 101, a vertical plate 102, a cross beam supporting component 2, a plug 201, an L-shaped inserting plate 202, a cross beam 3, an extension beam 301, a longitudinal beam 4, a longitudinal rib limiter 5, a connecting rod 501, an arc-shaped support 502, a square base 503, a long longitudinal rib limiting plate 6, a short longitudinal rib limiting plate 7, a longitudinal rib clapboard 8, a retaining clamp 9, a rubber layer 901, a tension spring 902, a left clamping member 903, a right clamping member 904, a longitudinal rib 100, a long longitudinal rib, a short longitudinal rib 1002, a horizontal rib 200, a hidden column stirrup 300, a lifting hook 400, an X-shaped reinforcing rib 500 and a pulling rib 600.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, a high-precision processing jig frame for a multi-layer steel bar net with adjustable size comprises a plurality of vertical supports 1, a cross beam support assembly 2, a cross beam 3, longitudinal beams 4, longitudinal bar limiters 5, a long longitudinal bar limiting plate 6 and four short longitudinal bar limiting plates 7; the vertical supports 1 are arranged in a rectangular array, and a single vertical support 1 consists of a channel steel 101 and two vertical plates 102; the two vertical plates 102 are respectively integrally formed with two wings of the channel steel 101 and vertically extend along the opening direction of the channel steel 101, and a plurality of strip-shaped holes (visible in figure 2 and not marked) corresponding to each other are formed in the two vertical plates 102 at equal intervals in the vertical direction; the cross beam support assembly 2 comprises a plug 201 and an L-shaped plug board 202; the horizontal section of the L-shaped inserting plate 202 penetrates through the strip-shaped holes corresponding to each other on the two vertical plates 102 which are oppositely arranged, and the vertical section is attached to the outer wall surface of one vertical plate 102; the plug pins 201 are inserted from pin holes formed in the parts, extending out of the vertical plate 102, of the horizontal section of the L-shaped plug board 202 to form the limit of the L-shaped plug board 202; the cross section of the cross beam 3 is in a groove shape which can be just placed in the channel steel 101 of the vertical support 1, wherein the cross beam 3 at the lowermost layer of the jig frame is detachably connected in the channel steel 101 of the vertical support 1 through a fastener (in the embodiment, the fasteners are all bolt pairs), and the rest cross beams 3 are erected between two vertical plates 102 of the vertical support 1 through L-shaped inserting plates 202 in the cross beam support assembly 2; the openings of all the cross beams 3 are upward; the longitudinal beams 4 are detachably connected between the cross beams 3 at different longitudinal positions through ear plates (visible in figure 2 and not marked) and fasteners, and the longitudinal beams 4 are only distributed on two peripheral sides of the uppermost layer and the lowermost layer of the jig frame; the longitudinal rib limiter 5 comprises an arc-shaped bracket 502 and a square base 503 which are connected through a connecting rod 501, and a plurality of longitudinal rib limiters 5 are uniformly arranged in a groove with an upward opening of each cross beam 3; the square base 503 is made of magnetic material, specifically neodymium iron boron magnet, and the size of the square base is just enough to be clamped in the opening of the beam 3 without rotating; the long longitudinal rib limiting plate 6 and the short longitudinal rib limiting plate 7 are respectively clamped on the longitudinal beam 4 on the same side of the jig frame, and the long longitudinal rib limiting plate 6 is located on the outer side of the short longitudinal rib limiting plate 7 relative to the jig frame.
When the distance between the longitudinal ribs 100 needs to be adjusted, the longitudinal rib limiter 5 magnetically connected in the groove of the upward opening of the cross beam 3 slides, in particular to a square base 503, and the square base 503 is square and has the size which can be just clamped in the opening of the cross beam 3 without rotating, so that the sliding process is continuous and stable; because the longitudinal ribs 100 are placed on the arc-shaped supports 502 of the longitudinal rib stoppers 5, the distance between the longitudinal rib stoppers 5 represents the longitudinal rib spacing; the magnetic connection between the longitudinal bar limiter 5 and the cross beam 3 has the following advantages: the continuity of adjusting the longitudinal rib spacing is ensured, namely the adjustment of the longitudinal rib spacing can be finished with high precision.
When the spacing between the layers of the mesh reinforcement is required to be adjusted, the longitudinal bars 100 and the horizontal bars 200 are connected in an interweaving manner to form the mesh reinforcement, so that the distance between the longitudinal bars 100 of each layer represents the spacing between the layers of the mesh reinforcement; the longitudinal bars 100 are supported on the longitudinal bar stoppers 5, the longitudinal bar stoppers 5 are arranged in the cross beams 3, and the cross beams 3 are supported on the cross beam support component 2, so that the adjustment of the spacing between the mesh layers of the reinforcing bars can be realized as long as the L-shaped inserting plates 202 on the cross beam support component 2 are inserted in the strip-shaped holes of the vertical plates 102 with different heights.
The adjustment precision of the mesh reinforcement layer interval is the spacing distance D between the strip-shaped holes, and the adjustment precision of the mesh reinforcement layer interval can be high enough as long as the spacing D between the strip-shaped holes is small enough. It has been found that continuous adjustment of the longitudinal rib spacing can be achieved, but the mesh reinforcement layer spacing cannot be achieved with this type of construction, and the minimum adjustment dimension can only be the slot spacing D. Therefore, as shown in fig. 3 and 4, further, the top of the connecting rod 501 adopted in the present embodiment is provided with an external thread; the bottom of the arc-shaped bracket 502 is provided with a threaded hole which is matched and connected with the external thread; the bottom of the connecting rod 501 is a cylindrical clamping seat with a diameter which is steeply increased compared with the middle part; the top of the square base 503 is provided with a through groove which is in clamping fit with the bottom of the connecting rod 501; the cross section of the through groove is convex. Therefore, as long as the connecting rod 501 is rotated to enable the arc-shaped support 502 to be lifted or lowered, the adjustment tolerance of the steel bar net layer can be absorbed, and as long as the maximum distance D that the arc-shaped support 502 can be lifted or lowered is not less than 0.5D, the continuity of the adjustment of the steel bar net layer distance can be ensured, and the continuous and high-precision adjustment of the steel bar net layer distance is really realized.
As for the adjustment of the distance between the horizontal ribs 200, the horizontal ribs 200 are manually and fixedly welded on the longitudinal ribs according to the required distance in a lap joint manner, so that the distance between the horizontal ribs 200 can be manually and continuously adjusted and controlled.
Finally, the processing of the multi-layer reinforcing mesh is described in detail in the following description of the use method of the jig frame, and the description is omitted here.
Therefore, the invention realizes that the multi-layer reinforcing steel bar net with different longitudinal bar intervals, horizontal bar intervals and reinforcing steel bar net layer intervals can be produced on the same jig frame, improves the production flexibility of the jig frame, reduces the purchasing cost and the resource waste brought by customizing the jig frame, reduces the allocation cost, realizes the free and high-precision adjustment of the longitudinal bar intervals and the reinforcing steel bar net layer interval sizes of the processed multi-layer reinforcing steel bar net, and ensures the successful installation of the subsequent integral prefabricated reinforcing steel bar net.
As shown in fig. 2, in the present embodiment, a stretching beam 301 is slidably disposed in the upward opening groove of the cross beam 3 by a sliding groove structure (a conventional structure, not shown in the figure). The arrangement of extension roof beam 301 is for the width of extension crossbeam 3, and then the extension can place the position of vertical muscle stopper 5 to the width of the reinforcing bar net that this increase can be produced, go to adapt to the reinforcing bar net processing demand of bigger size, further improve the size adjustability performance of bed-jig.
As shown in fig. 1, further, the present embodiment further includes a longitudinal rib separator 8; indulge muscle baffle 8 and clamp on longeron 4 between muscle limiting plate 6 is indulged to length and the short longeron between the muscle limiting plate 7, its lower extreme sets up a plurality of downward open-ended confessions long limit hole (visible in figure 1, do not make the sign) of indulging the muscle 1001 and passing through, and in fact, also set up the confession on the short muscle limiting plate 7 of indulging and indulge the spacing hole that the muscle 1001 passes through. The longitudinal rib partition plate 8 and the limiting holes can guide each longitudinal rib 100 when the longitudinal rib is placed in, and play a role in relative isolation and limiting after the longitudinal rib is placed in, so that the longitudinal rib 100 is prevented from generating large position deviation when the longitudinal rib is placed in manually or during welding. The size of the limiting hole can be set to be 1.2-1.5 times of the diameter of the longitudinal rib, and under the condition of the size, the position for forming the limiting hole needs to be formed to different positions according to different models; if the generality of the longitudinal rib partition plate 8 and the limiting holes is improved, the limiting holes for the longitudinal ribs can be formed according to the conventional longitudinal rib spacing sizes, such as 100mm, 150mm and 200mm, and the specific mode is not a main innovation point of the application, so that the details are omitted.
As shown in fig. 1, further, the present embodiment further includes retaining clips 9 disposed at the joints between the long longitudinal rib limiting plate 6, the short longitudinal rib limiting plate 7, and the longitudinal rib partition plate 8 and the longitudinal beam 4, respectively; the stopping clamp 9 is clamped on the longitudinal beam 4 at the joint and located on the outer side of the long longitudinal rib limiting plate 6, the short longitudinal rib limiting plate 7 and the longitudinal rib partition plate 8 relative to the jig, and a layer of friction-increasing rubber layer 901 is laid between the clamping surfaces of the stopping clamp 9 and the longitudinal beam 4, as shown in fig. 5, the friction contact force between the rubber layer 901 of the stopping clamp 9 and the longitudinal beam 4 can be increased, so that after the stopping clamp 9 is clamped, the long longitudinal rib limiting plate 6, the short longitudinal rib limiting plate 7 and the longitudinal rib partition plate 8 can be well prevented from generating displacement towards the stopping clamp 9, the position precision of each longitudinal rib abutting against the long longitudinal rib limiting plate 6 and the short longitudinal rib limiting plate 7 is improved, and the machining precision of a reinforcing mesh is improved.
As shown in fig. 5, the retaining clip 9 of the present embodiment is of a stretch-clamp type structure, so as to improve the convenience of clamping the retaining clip 9 and the versatility of clamping on longitudinal beams 4 with different widths. The structure of the retaining clip 9 comprises a left clamping member 903 and a right clamping member 904 which are connected by at least one extension spring 902, and the detailed structure is shown in the drawings and is not described in detail.
The use method of the high-precision processing jig frame for the multilayer steel bar mesh with the adjustable size comprises the following steps:
s1: arranging a plurality of vertical supports 1 in a rectangular array according to the size of the shear wall, and connecting the bottom layer of cross beams 3 with the vertical supports 1; as shown in FIG. 6;
s2: connecting a plurality of longitudinal beams 4 between the cross beams 3 of the bottom layer at different longitudinal positions according to the size of the shear wall; as shown in FIG. 7;
s3: in the groove of the upward opening of the bottom layer cross beam 3, a plurality of longitudinal rib limiters 5 are arranged at intervals according to the requirement of the rib arrangement distance of the longitudinal ribs 100; as shown in FIG. 8;
s4: a plurality of beam support assemblies 2 are arranged between the two vertical plates 102 of all the vertical supports 1 at intervals according to the requirements of the number of the reinforcing mesh layers and the spacing of the reinforcing mesh layers, and the beams 3 are sequentially arranged from bottom to top; as shown in fig. 9 and 10;
s5: connecting a plurality of longitudinal beams 4 between the cross beams 3 of the top layer at different longitudinal positions according to the size of the shear wall; as shown in FIG. 11;
s6: in the beam 3 placed in S4, a plurality of longitudinal bar stoppers 5 are arranged at intervals according to the requirement of the bar arrangement distance of the longitudinal bars 100; as in FIG. 12;
s7: respectively clamping a short longitudinal rib limiting plate 7, a longitudinal rib clapboard 8 and a long longitudinal rib limiting plate 6 on a longitudinal beam 4 on one side of a jig frame from inside to outside, and clamping a retaining clamp 9 at the joint of the long longitudinal rib limiting plate 6, the short longitudinal rib limiting plate 7 and the longitudinal rib clapboard 8 with the longitudinal beam 4; as in FIG. 12;
s8: arranging top-layer hidden column longitudinal ribs, specifically, penetrating long longitudinal ribs 1001 and short longitudinal ribs 1002 from one side of a jig frame, and supporting the long longitudinal ribs 1001 and the short longitudinal ribs 1002 through arc-shaped supports 502 of longitudinal rib limiters 5 until the long longitudinal ribs 1001 and the short longitudinal ribs 1002 respectively abut against a long longitudinal rib limiting plate 6 and a short longitudinal rib limiting plate 7, wherein the long longitudinal ribs 1001 can pass through the short longitudinal rib limiting plates 7 and limiting holes in longitudinal rib clapboards 8 without interference; as shown in FIG. 13; it should be added that the long longitudinal bars 1001 and the short longitudinal bars 1002 belong to the longitudinal bars 100, and in a general prefabricated multilayer reinforcing mesh, the long longitudinal bars 1001 and the short longitudinal bars 1002 respectively account for 50%;
s9: arranging a plurality of hidden column stirrups 300 at intervals according to the requirement of the distance between the horizontal ribs 200 in the annular direction of the hidden column longitudinal ribs arranged in S8; as shown in FIG. 14;
s10: arranging other hidden column longitudinal ribs except the finished part of S8, and then welding all hidden column stirrups 300; as in FIG. 15;
s11: arranging all bottom layer longitudinal ribs 100 except the hidden column area; as shown in FIG. 16;
s12: arranging and welding all the horizontal ribs 200 at the bottom layer; as in FIG. 17;
s13: arranging and welding and fixing the longitudinal ribs 100 and the horizontal ribs 200 of all the middle layers; as in FIG. 18;
s14: arranging all the top-layer longitudinal ribs 100 and the top-layer horizontal ribs 200, and welding and fixing; then the long longitudinal rib limiting plate is far away from the jig frame
6, welding a lifting hook 400 on one side; as in FIG. 19; the hook 400 will serve as the hanging point for S18;
s15: dismantling the long longitudinal rib limiting plate 6, the short longitudinal rib limiting plate 7, the longitudinal rib partition plate 8 and the top longitudinal beam 4; as in FIG. 20; the influence of the components on the hoisting operation of the S18 reinforcing mesh is avoided;
s16: lifting the formed reinforcing mesh slightly by using a four-point crane; as shown in FIG. 21; horizontally raised a distance to facilitate removal of the member in S17;
s17: the beam support assembly 2, the longitudinal rib limiter 5 and all the beams 3 except the bottom layer are sequentially dismantled from top to bottom; as in FIG. 22; the bottom layer beam 3 still has a certain supporting function on the whole reinforcing mesh, and the lifting of the reinforcing mesh is not influenced, so the bottom layer beam 3 is not detached.
S18: the four-point hoisting is changed into end two-point hoisting, the reinforcing mesh is hoisted, and the subsequent processes of transferring and installing the reinforcing mesh are carried out; as in fig. 23.
The use method of the jig frame is also called as a multilayer reinforcing mesh processing method, the installation and processing are from bottom to top, the working procedure is reasonable, the process is simple, the field operation is easy, and the adjustment of the sizes of the longitudinal bar spacing, the reinforcing mesh layer spacing and the like is facilitated.
Further, in this embodiment, between S12 and S13, the method further includes the steps of: placing and welding the X-shaped reinforcing ribs 500 on the bottom layer of the reinforcing mesh; as in FIG. 17; the X-shaped reinforcing bars 500 can enhance the deformation resistance of the reinforcing mesh during hoisting, and improve the overall strength of the reinforcing mesh.
Further, in this embodiment, between S14 and S15, the method further includes the steps of: placing and welding the X-shaped reinforcing ribs 500 on the top layer of the reinforcing mesh; as in FIG. 19; the X-shaped reinforcing bars 500 can enhance the deformation resistance of the reinforcing mesh during hoisting, and improve the overall strength of the reinforcing mesh.
Further, in this embodiment, between S14 and S15, the method further includes the steps of: in the area of the reinforcing mesh, which is not a hidden column, a lacing bar 600 is installed and welded; as in FIG. 19; so as to improve the overall rigidity and stability of the reinforcing mesh.
Further, in this embodiment, two ends of the tie bar 600 are respectively connected to two adjacent layers of reinforcing mesh, or two ends of the tie bar are respectively connected to the reinforcing mesh connected to the top layer and the bottom layer.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a multilayer reinforcing bar net high accuracy processing bed-jig of adjustable type of size which characterized in that:
the device comprises a plurality of vertical supports, a beam support assembly, a beam, a longitudinal rib limiter, at least one long longitudinal rib limiting plate and at least one short longitudinal rib limiting plate;
the vertical supports are arranged in a rectangular array, and each vertical support consists of a channel steel and two vertical plates; the two vertical plates are respectively welded with two wings of the channel steel or integrally formed, and vertically extend along the opening direction of the channel steel, and a plurality of strip-shaped holes which correspond to each other are arranged at equal intervals in the vertical direction;
the cross beam supporting assembly comprises a plug pin and an L-shaped inserting plate; the horizontal section of the L-shaped plug board penetrates through strip-shaped holes corresponding to each other on two oppositely arranged vertical boards, and the vertical section is attached to the outer wall surface of one vertical board; the plug pin is inserted from a pin hole formed by the part of the horizontal section of the L-shaped plug board extending out of the vertical board to form the limit of the L-shaped plug board;
the cross section of the cross beam is in a groove shape which can be just placed in the channel steel of the vertical support, wherein the cross beam positioned at the lowermost layer of the jig frame is detachably connected in the channel steel of the vertical support through a fastener, and the rest cross beams are arranged between two vertical plates of the vertical support through an L-shaped plugboard frame in the cross beam support assembly; the openings of all the cross beams are upward;
the longitudinal beams are detachably connected between the cross beams at different longitudinal positions through the lug plates and the fasteners, and the longitudinal beams are only distributed on two peripheral sides of the uppermost layer and the lowermost layer of the jig frame;
the longitudinal rib limiter comprises an arc-shaped bracket and a square base which are connected through a connecting rod, and a plurality of longitudinal rib limiters are uniformly arranged in a groove with an upward opening of each cross beam; the square base is made of magnetic materials, and the size of the square base can be just clamped in the opening of the cross beam and cannot rotate;
the long longitudinal rib limiting plate and the short longitudinal rib limiting plate are respectively clamped on the longitudinal beam on the same side of the jig frame, and the long longitudinal rib limiting plate is located on the outer side of the short longitudinal rib limiting plate relative to the jig frame.
2. The adjustable-size multi-layer steel bar net high-precision machining jig frame is characterized in that: the top of the connecting rod is provided with an external thread; the bottom of the arc-shaped support is provided with a threaded hole which is matched and connected with the external thread; the bottom of the connecting rod is a cylindrical clamping seat with the diameter which is steeply increased compared with the diameter of the middle part; the top of the square base is provided with a through groove in clamping fit with the bottom of the connecting rod; the cross section of the through groove is convex.
3. The adjustable-size multi-layer steel bar net high-precision machining jig frame is characterized in that: the crossbeam is provided with the extension roof beam through the spout structure can slide in the open-ended recess upwards.
4. The adjustable-size multi-layer steel bar net high-precision machining jig frame is characterized in that: the device also comprises at least one longitudinal rib clapboard; the longitudinal rib clapboard is clamped on the longitudinal beam between the long longitudinal rib limiting plate and the short longitudinal rib limiting plate, and the lower end of the longitudinal rib clapboard is provided with a plurality of limiting holes with downward openings for the long longitudinal ribs to pass through.
5. The adjustable-size multi-layer steel bar net high-precision machining jig frame is characterized in that: the longitudinal rib partition plate is provided with a long longitudinal rib limiting plate, a short longitudinal rib limiting plate and a longitudinal rib partition plate; the stopping clamp is clamped on the longitudinal beam at the joint and positioned on the outer sides of the long longitudinal rib limiting plate, the short longitudinal rib limiting plate and the longitudinal rib partition plate relative to the jig frame, and a rubber layer for increasing friction force is laid between the stopping clamp and the clamping surface of the longitudinal beam.
6. The adjustable-size multi-layer steel bar net high-precision machining jig frame of claim 5 is characterized in that: the backstop clamp is of a stretchable-clamping structure and comprises a left clamping member and a right clamping member which are connected by at least one tension spring.
7. The use method of the high-precision processing jig frame for the multilayer steel bar mesh with the adjustable size is characterized by comprising the following steps of:
s1: arranging a plurality of vertical supports in a rectangular array according to the size of the shear wall, and connecting the cross beam at the bottom layer with the vertical supports;
s2: connecting a plurality of longitudinal beams between the cross beams of the bottom layers at different longitudinal positions according to the size of the shear wall;
s3: a plurality of longitudinal bar limiters are arranged at intervals in the upward-opening groove of the bottom layer beam according to the requirement of the spacing of the longitudinal bars;
s4: arranging a plurality of beam support assemblies at intervals between the two vertical plates of all the vertical supports according to the requirements of the number of the reinforcing mesh layers and the spacing of the reinforcing mesh layers, and sequentially placing beams from bottom to top;
s5: connecting a plurality of longitudinal beams between the cross beams of the top layers at different longitudinal positions according to the size of the shear wall;
s6: arranging a plurality of longitudinal rib limiters at intervals in the cross beam arranged in the S4 according to the rib arrangement distance requirement of the longitudinal ribs;
s7: respectively clamping a short longitudinal rib limiting plate, a longitudinal rib clapboard and a long longitudinal rib limiting plate on a longitudinal beam on one side of a jig frame from inside to outside, and respectively clamping a backstop clamp at the joint of the long longitudinal rib limiting plate, the short longitudinal rib limiting plate and the longitudinal rib clapboard and the longitudinal beam;
s8: arranging top-layer hidden column longitudinal ribs, namely penetrating long longitudinal ribs and short longitudinal ribs from one side of a jig frame, and supporting the long longitudinal ribs and the short longitudinal ribs through arc-shaped supports of longitudinal rib limiting plates until the long longitudinal ribs and the short longitudinal ribs respectively abut against long longitudinal rib limiting plates and short longitudinal rib limiting plates, wherein the long longitudinal ribs can pass through the short longitudinal rib limiting plates and limiting holes in longitudinal rib clapboards without interference;
s9: arranging a plurality of hidden column stirrups at intervals according to the requirement of the distance between horizontal ribs in the circumferential direction of the hidden column longitudinal ribs arranged in S8;
s10: arranging other hidden column longitudinal ribs except the finished part of S8, and then welding all hidden column stirrups;
s11: arranging all bottom layer longitudinal bars except the hidden column area;
s12: arranging and welding and fixing all the horizontal ribs of the bottom layer;
s13: arranging all the longitudinal ribs and the horizontal ribs of the middle layer, and welding and fixing;
s14: arranging all the longitudinal ribs and the horizontal ribs on the top layer, and welding and fixing; then, welding a lifting hook on one side of the jig frame, which is far away from the long longitudinal rib limiting plate;
s15: dismantling the long longitudinal rib limiting plate, the short longitudinal rib limiting plate, the longitudinal rib partition plate and the top longitudinal beam;
s16: lifting the formed reinforcing mesh slightly by using a four-point crane;
s17: sequentially removing the cross beam support assembly, the longitudinal rib limiter and all cross beams except the bottom layer from top to bottom;
s18: and the four-point hoisting is changed into end two-point hoisting, the reinforcing mesh is hoisted, and the subsequent processes of transferring and installing the reinforcing mesh are carried out.
8. The use method of the size-adjustable multi-layer steel bar net high-precision processing jig frame as claimed in claim 7, is characterized in that:
between S12 and S13, the method further comprises the following steps: placing and welding X-shaped reinforcing ribs on the bottom layer of the reinforcing mesh;
between S14 and S15, the method further comprises the following steps: and placing and welding X-shaped reinforcing ribs on the top layer of the reinforcing mesh.
9. The use method of the size-adjustable multi-layer steel bar net high-precision processing jig frame according to claim 8 is characterized in that:
between S14 and S15, the method further comprises the following steps: and (4) installing and welding tie bars in the area of the reinforcing mesh, which is not the hidden column.
10. The use method of the size-adjustable multi-layer steel bar net high-precision processing jig frame as claimed in claim 9, is characterized in that: two ends of the lacing wire are respectively connected with two adjacent layers of reinforcing mesh, or two ends of the lacing wire are respectively connected with the reinforcing mesh connected with the topmost layer and the bottommost layer.
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