CN220978330U - Grid upper chord node - Google Patents
Grid upper chord node Download PDFInfo
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- CN220978330U CN220978330U CN202323014494.2U CN202323014494U CN220978330U CN 220978330 U CN220978330 U CN 220978330U CN 202323014494 U CN202323014494 U CN 202323014494U CN 220978330 U CN220978330 U CN 220978330U
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- springs
- support
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 15
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000000626 Daucus carota Species 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000005765 wild carrot Nutrition 0.000 description 1
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Abstract
The utility model provides a net rack upper chord node, which belongs to the technical field of building construction and aims to solve the problems that the surface of the existing support tray is always exposed in the air, rust dirt is easy to generate, polishing and rust removal are needed in advance when purlines are welded subsequently, and the problem is troublesome, including bolt balls; the steel pipes are fixedly connected in the bolt balls in a dispersing way; the supporting tube is fixedly connected to the upper surface of the bolt ball; the support tray is fixedly connected to the support tube; the fixing plate is fixedly connected to the upper part of the bolt ball; the anti-rust assembly is arranged on the fixed plate; the auxiliary support assembly is arranged above the steel pipes on the left side and the right side of the upper layer. According to the utility model, the surfaces of the support trays are cleaner and difficult to rust through the two shielding plates, rust removal operation is not needed during subsequent welding of purlines, the purlines are more firmly fixed, and the whole grid structure is more stable.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an upper chord node of a net rack.
Background
The grid structure is a building structure form composed of a support, rods, ball nodes and a containment system, and is different from the structure in a plane structure system in the primary-secondary relationship, the grid structure is formed by a whole continuous space body or is formed by expanding a plurality of rods, each component of the grid structure is a part of the whole structure, the load is shared and born according to the geometrical characteristics of the space, the internal force transmission is simple, the structural integrity is good, the grid upper chord node is a node for connecting the grid upper chord member and the web members in the grid structure, and the grid upper chord node is usually composed of a plurality of steel pipes, bolt balls for fixing the positions of the steel pipes and a support tray for installing welding purlines subsequently.
Current application number: CN202020216929.9 the utility model discloses a net rack main purline supporting node assembly, which comprises a main purline, a net rack upper chord member, a net rack web member, an upper chord welding ball, a pipeline hanger, a channel steel, a connecting bracket, a bolt and a secondary purline. The beneficial effects of the utility model are as follows: the stability of this node subassembly overall structure is guaranteed to last string welding ball, ensure that last string welding ball can not receive the damage after the installation, extension subassembly's life, main purlin and inferior purlin facilitate the installation and dismantle, and effectively reduce the atress of inferior purlin to last string welding ball, on the pressure dispersion part that receives the inferior purlin arrives main purlin, make the subassembly more firm, pipeline hanger and channel-section steel rationally utilize unnecessary idle space of last string welding ball, increase its functionality, guarantee that electromechanical pipeline can be fixed in the rack below, the function of this node subassembly of full play.
Based on the above, the general construction period of grid structure is longer, therefore the support tray is installed on the bolt ball after, will separate longer a period of time just can weld the purlin, and the support tray is exposed in the air always in this period of time, receives the influence of impurity such as dew, rainwater, bird's nest, and the support tray surface is very easy to produce rust dirt, need polish in advance when follow-up welding purlin rust cleaning, and is comparatively troublesome.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a net rack winding node, which aims to solve the problems that the current net rack structure is generally longer in construction period, purlines are welded only after a support tray is installed on a bolt ball for a longer period of time, the support tray is always exposed in the air in the period of time and is influenced by dew, rainwater, bird droppings and other impurities, rust dirt is easily generated on the surface of the support tray, polishing and rust removal are needed in advance in the subsequent process of welding the purlines, and the problem is troublesome.
The utility model discloses a mesh frame winding node, which is characterized by comprising the following specific technical means:
An upper chord node of a net rack comprises a bolt ball;
The steel pipes are provided with a plurality of pieces, and the plurality of pieces of steel pipes are fixedly connected in the bolt ball in a dispersing way;
the supporting tube is fixedly connected to the upper surface of the bolt ball;
The support tray is fixedly connected to the support tube;
the fixing plate is fixedly connected to the upper part of the bolt ball;
the anti-rust assembly is arranged on the fixed plate;
the auxiliary support assembly is arranged above the steel pipes on the left side and the right side of the upper layer.
Further, prevent rust subassembly including:
The mounting blocks are provided with four pieces, and the four pieces of the mounting blocks are dispersedly and fixedly connected to the fixing plate;
The two pressing rods are respectively connected in the left front and right rear mounting blocks in a sliding manner;
The first rack is provided with two pieces, the two pieces of the first rack are respectively connected inside the left front mounting block and the right rear mounting block in a sliding mode, and the two pieces of the first rack are respectively and fixedly connected with the two pressing rods.
Further, the anti-rust assembly further comprises:
The first rotating shaft is provided with two parts, the left side of the first rotating shaft is rotationally connected inside the left two mounting blocks, and the right side of the first rotating shaft is rotationally connected inside the right two mounting blocks.
The first gear is provided with two gears, the two gears are respectively and fixedly connected to the two first rotating shafts in a coaxial mode, and the two gears are respectively meshed with the two first racks.
Further, the anti-rust assembly further comprises:
The first springs are arranged in two parts, the tops of the two parts of the first springs are fixedly connected with two parts of the first racks respectively, and the bottoms of the two parts of the first springs are fixedly connected with the mounting blocks at the left front and the right rear respectively.
Further, the anti-rust assembly further comprises:
The shielding plate is L-shaped, two shielding plates are arranged and are fixedly connected with the two first rotating shafts respectively.
Further, the auxiliary support assembly comprises:
The driving clamping pieces are respectively and fixedly connected to the outer sides of the two shielding plates;
The sliding rods are arranged in two groups, each group of sliding rods is provided with two pieces, and the two groups of sliding rods are respectively connected inside the two driving clamping pieces in a sliding way;
The second springs are arranged in two parts, and the two parts of the second springs are respectively and fixedly connected inside the two groups of sliding rods.
Further, the auxiliary support assembly further comprises:
the passive clamping pieces are arranged and are respectively fixedly connected with the upper surfaces of the steel pipes on the left side and the right side of the upper layer.
Compared with the prior art, the utility model has the following beneficial effects:
Firstly, set up two shielding plates, can shelter from the support tray, prevented support tray surface and air contact for a long time, avoided support tray surface to produce rust dirty, when welding installation purlin, the purlin pushes down on the support tray, can drive simultaneously and support the depression bar and push down, make support tray automatic opening, do not hinder the welding construction of follow-up purlin.
Secondly, after the shielding plate is opened, the active clamping piece and the passive clamping piece are driven to be connected, the edge of the shielding plate is the same as the height of the support tray, the purlines in the left-right direction of the follow-up welding are added with one more supporting point, and the purlines in the left-right direction are fixed more firmly.
According to the utility model, the surfaces of the support trays are cleaner and difficult to rust through the two shielding plates, rust removal operation is not needed during subsequent welding of purlines, manpower and material resources are saved, the purlines in the left-right direction are more firmly fixed, and the whole grid structure is more stable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the support tray of the present utility model.
Fig. 3 is a schematic view of a first rack structure of the present utility model.
Fig. 4 is a schematic view showing the structure of the shutter in the unfolded state of the present utility model.
Fig. 5 is a schematic structural diagram of an active clamping member and a passive clamping member according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A bolt ball; 2. a steel pipe; 3. a support tube; 4. a support tray; 5. a fixing plate; 6. a mounting block; 7. a pressing rod; 8. a first rack; 9. a first rotating shaft; 901. a first gear; 10. a first spring; 11. a shielding plate; 12. an active clamping piece; 13. a slide bar; 14. a second spring; 15. and the passive clamping piece.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Embodiment one:
as shown in fig. 1 to 5:
the utility model provides a net rack winding node, which comprises a bolt ball 1;
The steel pipes 2 are provided with a plurality of pieces, and the plurality of pieces of steel pipes 2 are fixedly connected in the bolt ball 1 in a dispersing way;
the supporting tube 3 is fixedly connected to the upper surface of the bolt ball 1;
the support tray 4 is fixedly connected to the support tube 3;
The fixing plate 5 is fixedly connected to the upper part of the bolt ball 1;
And an anti-rust assembly disposed on the fixing plate 5.
Wherein, prevent rust subassembly including:
the four mounting blocks 6 are arranged, and the four mounting blocks 6 are dispersedly and fixedly connected to the fixed plate 5;
The two pressing rods 7 are arranged, and the two pressing rods 7 are respectively and slidably connected inside the left front and right rear mounting blocks 6;
the first rack 8, first rack 8 sets up two, and inside the installation piece 6 of two first racks 8 sliding connection in left place ahead and right rear respectively, two first racks 8 support depression bar 7 fixed connection with two respectively, and the effect that brings is, when the purlin was placed and is welded on the support tray 4, can drive two first racks 8 gliding respectively through two support depression bars 7 at the in-process of placing.
Wherein, prevent rust subassembly still includes:
The first rotating shaft 9, the first rotating shaft 9 is provided with two pieces, the left first rotating shaft 9 is rotationally connected inside the left two-piece mounting block 6, and the right first rotating shaft 9 is rotationally connected inside the right two-piece mounting block 6.
The first gear 901, the first gear 901 sets up two, and two first gears 901 coaxial fixed connection respectively is on two first pivot 9, and two first gears 901 mesh with two first racks 8 respectively, and the effect that brings is, two first racks 8 drive two first pivot 9 rotation through the rack and pinion drive mechanism that constitutes respectively with two first gears 901 meshing respectively.
Wherein, prevent rust subassembly still includes:
The first springs 10, the first springs 10 are provided with two pieces, the tops of the two pieces of first springs 10 are respectively fixedly connected with the two pieces of first racks 8, the bottoms of the two pieces of first springs 10 are respectively fixedly connected with the mounting blocks 6 at the left front and the right rear, and the effect is that the two pieces of first springs 10 are in a natural state, and the two pieces of first racks 8 are always kept in a state that the bottoms are meshed with the first gear 901.
Wherein, prevent rust subassembly still includes:
The shielding plate 11, shielding plate 11 are "L" type, and shielding plate 11 sets up two, and two shielding plates 11 respectively with two first pivot 9 fixed connection, and the effect that brings is, when two first rack 8 bottoms and first gear 901 meshing, two shielding plates 11 can shelter from the support tray 4, prevent that the support tray 4 surface from falling on dirty and leading to rustting.
Specific use and action of the embodiment:
In a natural state, the two first springs 10 keep the two first racks 8 in a state that the bottoms are meshed with the first gear 901 all the time, so that the two shielding plates 11 are folded, the support tray 4 can be shielded, and rust of the support tray 4 caused by dirt such as dew, rainwater, bird droppings and the like falling on the surface of the support tray 4 is prevented; when the purline and the support tray 4 are to be welded, the purline is firstly placed on the support tray 4, two first racks 8 are respectively driven to slide down by two pressing rods 7 in the placing process, and the two first racks 8 respectively drive two first rotating shafts 9 to rotate by a gear rack transmission mechanism meshed with two first gears 901 respectively, so that the two shielding plates 11 are driven to be automatically unfolded, and the welding construction of the purline and the support tray 4 is not delayed.
Embodiment two:
On the basis of the first embodiment, as shown in fig. 1 to 5, the steel pipe support device further comprises auxiliary support assemblies, wherein the auxiliary support assemblies are arranged above the steel pipes 2 on the left side and the right side of the upper layer.
Wherein, auxiliary stay subassembly is including:
The driving clamping piece 12 is arranged, and the driving clamping piece 12 is respectively and fixedly connected with the outer sides of the two shielding plates 11;
The sliding rods 13 are arranged in two groups, each group of sliding rods 13 is provided with two pieces, and the two groups of sliding rods 13 are respectively and slidably connected inside the two pieces of driving clamping pieces 12;
The two second springs 14, the second springs 14 are provided with two pieces, the two second springs 14 are respectively fixedly connected inside the two groups of sliding rods 13, and the effect is that the two groups of sliding rods 13 leak out of a part of the two active clamping pieces 12 in the natural state of the two second springs 14.
Wherein, auxiliary stay subassembly still includes:
The passive clamping pieces 15 are arranged, the two passive clamping pieces 15 are respectively and fixedly connected with the upper surfaces of the steel pipes 2 on the left side and the right side of the upper layer, and the effect is that when the two shielding plates 11 are unfolded, the two active clamping pieces 12 respectively extend into the two passive clamping pieces 15, so that the two active clamping pieces 12 are respectively fixedly spliced with the two passive clamping pieces 15.
Specific use and action of the embodiment:
When the two shielding plates 11 are unfolded, the two driving clamping pieces 12 respectively extend into the two driven clamping pieces 15, in the process, the two groups of sliding rods 13 can shrink into the two driving clamping pieces 12, when the two driving clamping pieces 12 completely extend into the two driven clamping pieces 15, the two groups of sliding rods 13 are unfolded again under the action of the second springs 14, so that the two driving clamping pieces 12 are respectively fixedly spliced with the two driven clamping pieces 15, at the moment, the edge of the shielding plates 11 is identical to the supporting plate 4 in height, purlines in the left-right direction are welded later, one supporting point is added, the purline welding construction in the left-right direction is facilitated, and meanwhile, the whole grid structure is stable and firm.
Claims (7)
1. A net rack upper chord node comprises a bolt ball (1);
The method is characterized in that: the steel pipes (2) are fixedly connected with a plurality of the steel pipes (2) in a dispersing way in the bolt ball (1);
The supporting tube (3) is fixedly connected with the bolt ball (1);
the support tray (4) is fixedly connected with the support tray (4) on the support tube (3);
the fixing plate (5) is fixedly connected with the upper part of the bolt ball (1);
The anti-rust assembly is arranged on the fixed plate (5);
The auxiliary supporting component is arranged above the steel pipes (2) on the left side and the right side of the upper layer.
2. A grid tie-up as defined in claim 1, wherein: the anti-rust assembly comprises:
The mounting blocks (6) are arranged in four pieces, and the four pieces of the mounting blocks (6) are fixedly connected to the fixing plate (5) in a dispersing way;
The pressing rod (7) is arranged in two parts, and the two pressing rods (7) are respectively and slidably connected inside the left front and right rear mounting blocks (6);
The first rack (8), first rack (8) sets up two, two first rack (8) sliding connection respectively is inside installation piece (6) at left front and right rear, two first rack (8) respectively with two pressure pole (7) fixed connection that support.
3. A grid tie-up as claimed in claim 2, wherein: the anti-rust assembly further comprises:
The first rotating shaft (9) is arranged in two parts, the first rotating shaft (9) on the left side is rotationally connected inside the two left mounting blocks (6), and the first rotating shaft (9) on the right side is rotationally connected inside the two right mounting blocks (6); the first gear (901), first gear (901) sets up two, two first gear (901) coaxial fixed connection respectively on two first pivot (9), two first gear (901) respectively with two first racks (8) meshing.
4. A grid tie-up as claimed in claim 3, wherein: the anti-rust assembly further comprises:
the first springs (10), the first springs (10) are provided with two pieces, the tops of the two pieces of the first springs (10) are fixedly connected with two pieces of the first racks (8) respectively, and the bottoms of the two pieces of the first springs (10) are fixedly connected with the left front mounting block (6) and the right rear mounting block (6) respectively.
5. A grid tie-up as set forth in claim 4, wherein: the anti-rust assembly further comprises:
The shielding plate (11), shielding plate (11) are "L" type, shielding plate (11) set up two, two shielding plate (11) respectively with two first pivot (9) fixed connection.
6. A grid tie-up as defined in claim 1, wherein: the auxiliary support component comprises:
The driving clamping pieces (12), the driving clamping pieces (12) are arranged in two, and the two driving clamping pieces (12) are respectively and fixedly connected to the outer sides of the two shielding plates (11);
The sliding rods (13), wherein two groups of sliding rods (13) are arranged, each group of sliding rods (13) is provided with two pieces, and the two groups of sliding rods (13) are respectively and slidably connected inside the two active clamping pieces (12);
The second springs (14), the second springs (14) are arranged in two pieces, and the two second springs (14) are respectively and fixedly connected inside the two groups of sliding rods (13).
7. The grid tie-up of claim 6, wherein: the auxiliary support assembly further comprises:
The passive clamping pieces (15) are arranged, and the two passive clamping pieces (15) are respectively fixedly connected with the upper surfaces of the steel pipes (2) on the left side and the right side of the upper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323014494.2U CN220978330U (en) | 2023-11-08 | 2023-11-08 | Grid upper chord node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323014494.2U CN220978330U (en) | 2023-11-08 | 2023-11-08 | Grid upper chord node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978330U true CN220978330U (en) | 2024-05-17 |
Family
ID=91063024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323014494.2U Active CN220978330U (en) | 2023-11-08 | 2023-11-08 | Grid upper chord node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978330U (en) |
-
2023
- 2023-11-08 CN CN202323014494.2U patent/CN220978330U/en active Active
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