CN217359037U - Building space structure universal model test platform - Google Patents
Building space structure universal model test platform Download PDFInfo
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- CN217359037U CN217359037U CN202221961210.3U CN202221961210U CN217359037U CN 217359037 U CN217359037 U CN 217359037U CN 202221961210 U CN202221961210 U CN 202221961210U CN 217359037 U CN217359037 U CN 217359037U
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Abstract
The utility model relates to a building space structure general model test platform, include: the support is arranged on the test ground and used as a vertical bearing component of the test platform; the net rack platform is supported by the support and is formed by connecting net rack rod pieces and bolt balls through high-strength bolts, and the bolt balls comprise upper chord balls and lower chord balls; the spatial structure model is integrally positioned on the net rack platform and is connected with the upper chord ball of the net rack platform; the tension and compression jack device is arranged below the upper chord ball of the net rack platform and is used for applying tension and compression load to a roof component of the space structure model; and the platform displacement monitoring system is arranged at the joint of the space structure model and the bolt ball and is used for monitoring the displacement of the bolt ball. The utility model discloses can be to the spatial structure of different forms, can be through a simple, low-cost, need not the test device in big place, research and know the atress deformation mechanism and the performance of structure.
Description
Technical Field
The utility model belongs to the technical field of building structure and specifically relates to building space structure general model test platform is put to building structure's test device.
Background
With the development of building structure technology, modern buildings have the characteristics of being higher, larger, faster and more complex in appearance, space structures are more widely applied and rapidly developed, and different structure combinations gradually appear.
The current space structure mainly comprises a prestressed cable structure, a grid structure, a truss structure, a reticulated shell structure, a tensioned sheet structure and a membrane structure. Before novel structure and complex construction fall to the ground, relevant design unit, design enterprise can do model test, monitor the model to obtain the relevant data of required structure, be convenient for overall structure's analysis.
For different space structure forms, such as a grid structure, a membrane structure, a cable structure, a truss structure and the like, model tests have different requirements on fields, ground connection, test contents and test methods, and particularly, the model tests have different requirements on structure and ground anchoring, structure load application, roof load application and the like.
In order to meet model tests in different spatial structure forms, a universal model test platform which is simple in construction, convenient to connect, capable of meeting site requirements, convenient to detach and replace test model objects and high in cost performance is needed.
Disclosure of Invention
In view of the deficiencies of the prior art, the main objective of the present invention is to provide a universal model test platform for building space structure, which can be used for different forms of space structure, and can study and understand the stress deformation mechanism and performance of the structure through a simple, low-cost test device without large site.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a building space structure universal model test platform, comprising:
the support is arranged on the test ground and used as a vertical bearing component of the test platform;
the net rack platform is supported by the support and is formed by connecting net rack rod pieces and bolt balls through high-strength bolts, and the bolt balls comprise upper chord balls and lower chord balls;
the spatial structure model is integrally positioned on the net rack platform and is connected with the upper chord ball of the net rack platform;
the tension and compression jack device is arranged below the upper chord ball of the net rack platform and is used for applying tension and compression load to a roof component of the space structure model;
and the platform displacement monitoring system is arranged at the joint of the space structure model and the bolt ball and is used for monitoring the displacement of the bolt ball.
In some embodiments, the support is composed of an upper cross rib plate and a lower round steel pipe, wherein the upper end of the cross rib plate is formed into a concave shape and is welded with the lower chord ball of the net rack platform, and the lower end of the cross rib plate is fixedly connected with the upper end of the steel pipe.
In some embodiments, a first steel plate is welded at the lower end of the cross rib plate, a second steel plate is welded at the upper end of the circular steel tube, 4 high-strength bolts are welded on the second steel plate in advance, bolt holes are formed in the first steel plate in positions corresponding to the high-strength bolts, and the two steel plates are connected through the high-strength bolts.
In some embodiments, a through hole is formed in the middle of the upper chord ball connected with the space structure model, a bolt with a certain length penetrates through the through hole, and the upper chord ball is fixedly connected with the space structure model.
In some embodiments, a horizontal steel plate and a vertical steel plate are arranged above the upper chord ball, a hole is formed in the center of the horizontal steel plate, a bolt penetrates through the through hole and is locked and fixed through a nut, and a hole is formed in the vertical steel plate and is connected and fixed with the space structure model through a pin shaft.
In some embodiments, the horizontal steel plate and the vertical steel plate are fixed by welding in a T shape, and the vertical steel plate is notched at the bolt to leave a space for the nut.
In some embodiments, the tension and compression jack device comprises a jack and a screw rod, the jack is arranged below the upper chord ball, the upper chord ball is provided with a through hole, the lower end of the screw rod is connected with the jack, and the upper end of the screw rod penetrates out of the through hole of the upper chord ball and is connected with the roof member of the space structure model.
In some embodiments, a support column is correspondingly arranged below the lower chord ball, and the jack is arranged on the support column.
In some embodiments, the platform displacement monitoring system is arranged at the joint of the spatial structure model and the bolt ball by adopting an electronic positioning device or an electronic displacement meter, and is used for monitoring the displacement at the node of the bolt ball.
In some embodiments, the spatial structure model is a stay cable structure model, a suspension cable structure model, a reticulated shell structure model, or a membrane structure model.
The utility model discloses beneficial effect for prior art is: the utility model provides a building space structure general model test platform can satisfy the model test demand of multiple spatial structure form. Specifically, at least the following practical effects are obtained:
(1) the device has strong universality, and a single device can be used for the test simulation of various spatial structures, such as a grid structure, a truss structure, a cable structure and a membrane structure;
(2) the test device adopts a plurality of supports to bear the net rack platform, and rubber pads are placed under the supports, so that the test device does not need to be anchored with the ground and is suitable for different fields;
(3) the tension and compression jack device can apply load to a test object to simulate roof pressure and wind suction;
(4) the platform displacement monitoring system is used for measuring the displacement change of the platform in the test and integrating the displacement data of the test object and the platform so as to reduce the error of the test result;
(5) the test device has small requirement on a test site, strong adaptability, light weight, convenient transportation, easy disassembly, lower requirement on hydropower facilities and machinery in integral installation and strong economical efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of a stay cable structure model test platform according to an embodiment of the present invention;
fig. 2 is a schematic view of a grid node according to an embodiment of the present invention;
fig. 3 is a schematic view of a support structure according to an embodiment of the present invention;
fig. 4 is a schematic view of the connection between the rods and the rack platform according to an embodiment of the present invention;
fig. 5 shows the connection between the guy cable and the net rack platform according to an embodiment of the present invention;
fig. 6 is a schematic view of a model test of a stay cable structure according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a tension and compression jack fixture according to an embodiment of the present invention;
fig. 8 is a schematic view of a suspension cable structure model test platform according to an embodiment of the present invention;
fig. 9 is a schematic view of a latticed shell structure model test platform according to an embodiment of the present invention;
fig. 10 is a schematic view of a membrane structure model test platform according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It is to be understood that the terms "comprises/comprising," "consisting of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method if desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," or "comprising" does not exclude the presence of other like elements in a product, device, process, or method that comprises the element.
It should also be understood that the terms "mounted," "connected," "fixed," and the like are intended to be broadly construed, and may include, for example, a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly specified or limited, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplified description, and do not indicate or imply that the device, component, or structure referred to must have a particular orientation, be constructed or operated in a particular orientation, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The implementation of the present invention will be described in detail below with reference to preferred embodiments.
The utility model relates to a building spatial structure general model test platform comprises support 1, rack platform 2, spatial structure model 11, draw and press jack device 9 and platform displacement monitoring system 10, as shown in fig. 1.
In one embodiment, as shown in fig. 2, the net rack platform 2 is composed of net rack members 21 and bolt balls 22, the net rack members 21 comprise upper chords 21-1, web members 21-2 and lower chords 21-3, the bolt balls 22 comprise upper chords 22-1 and lower chords 22-2, the net rack members 21 and the bolt balls 22 are connected through high-strength bolts 3, the net rack platform 2 is supported by the support 1 at four peripheries, and the support 1 is provided below the middle of the net rack platform 2 if necessary.
In one embodiment, referring to fig. 1 and 3, the support 1 is a cylindrical steel pipe structure, is placed on a test ground and serves as a vertical bearing member of the cable force test device; preferably, the ground bearing base plate 4 is arranged below the support 1, the ground bearing base plate 4 is placed on the test ground, and the support 1 is mainly used for bearing the vertical load of the support and can be made of rubber. The ground bearing backing plate is the rubber pad, bears the weight of upper portion component, plays certain guard action to ground for support 1 need not with ground anchor, be suitable for different places, can be in the indoor arrangement that has great space the utility model discloses a test device carries out the model test, and can not destroy indoor ground structure.
In one embodiment, with continued reference to fig. 3, the support 1 is composed of an upper cross rib plate 5 and a lower circular steel tube 6, the upper end of the cross rib plate 5 is welded with the lower chord ball 22-2 of the net rack platform 2, preferably, the upper end of the cross rib plate 5 is formed into a semicircular concave shape and is welded with the lower chord ball of the net rack platform, so that the support 1 is connected with the net rack platform 2, the semicircular concave shape is matched to accommodate the lower chord ball, the cross rib plate 5 can be perfectly and closely attached and welded with the bolt ball, the safe and reliable connection strength and stability of the support 1 and the net rack platform 2 are ensured, and node detachment and integral instability caused by loading displacement in the test process are prevented.
The lower extreme of cross gusset 5 and the upper end fixed connection of circular steel tube 6, the preferred, the utility model discloses a high strength bolt 3 is connected, dismantles easily, construction simple to operate, easy operation. Preferably, a first steel plate 5-1 is welded at the lower end of the cross rib plate 5, a second steel plate 6-1 is welded at the upper end of the circular steel tube 6, 4 high-strength bolts 3 are welded on the second steel plate 6-1 in advance, high-strength bolt holes are formed in the first steel plate 5-1 and correspond to the high-strength bolts 3, and the two steel plates are connected through the high-strength bolts 3. High strength bolt 3 pre-installation in the upper end of circular steel tube 6, on-the-spot only need screw up the nut can, simple to operate, simultaneously when needs, because the support is directly placed on experimental subaerially, only need unscrew the nut just can conveniently change not circular steel tube 6 of co-altitude to satisfy the multiple type structure of co-altitude, different span, realize that the testing device is adjusted according to experimental demand is nimble, and easy dismounting.
In one embodiment, the space frame platform 2 is connected to the rods 8 of the space structure model 11 by means of structural connecting nodes 7, see fig. 4, and the structural connecting nodes 7 are connected to the upper chord sphere 22-1 of the space frame platform 2 by means of high-strength bolts 3. A through hole is reserved in the upper chord ball 22-1 during processing, a hole is formed in the center of a lower steel plate 7-1, namely a horizontal steel plate, of the structural connection joint 7, an upper steel plate 7-2, namely a vertical steel plate, is welded with the lower steel plate 7-1 in a T-shaped mode, a hole is dug in the upper steel plate 7-2 at the position of the hole formed in the lower steel plate 7-1, and a space for tightening and loosening a nut is reserved.
The end part of a rod piece 8 of the spatial structure model is provided with a plugging plate 8-1, the plugging plate 8-1 is welded with a steel plate 8-2, preferably, a round hole with the same size is arranged at the connecting position of the upper steel plate 7-2 and the steel plate 8-2, and the plugging plate is connected with the steel plate by a pin shaft, so that the plugging plate is easy to disassemble, convenient to construct and install and simple to operate. Preferably, the guy cable existing in the embodiment is connected with the net rack platform 2, and the connection mode of the connection node 7 can also be adopted, see fig. 5.
The utility model discloses in, the accessible is drawn and is pressed jack device 9 and apply the load for the spatial structure model for pressure and wind suction that the analog structure received. Referring to fig. 6, the tension and compression jack device comprises a jack 9-1 and a screw rod 9-2, the bottom end of the screw rod 9-2 is connected with the jack 9-1, the other end of the screw rod 9-2 penetrates through an upper chord ball 22-1 of the net rack platform 2 to be connected with a roof member of an upper space structure, a supporting upright 9-3 can be additionally arranged at the lower part of the jack 9-1 and is connected with the supporting upright 9-3, and the supporting upright 9-3 provides a supporting point for the jack 9-1. The lifting of the jack is controlled, and the load application of the structure is realized.
With continued reference to fig. 6, a platform displacement monitoring system 10 is provided at the bolted ball connection position of the spatial structure rod and the rack platform 2, and the platform displacement monitoring system 10 can be arranged at the connection position of the spatial structure model and the bolted ball by adopting an electronic positioning device or an electronic displacement meter, so as to monitor the bolted ball position during the test.
Referring to fig. 1 and 8-10, the spatial structure model can simulate various spatial structures such as a stay cable structure model, a suspension cable structure model, a latticed shell structure model or a membrane structure model.
The utility model discloses strong adaptability, single test platform can satisfy the test of different spatial structure forms, and single component is less, and transportation transport, construction simple to operate to changing component bolted connection, easy operation is convenient, has saved the cost greatly, has practiced thrift the time.
It will be readily appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
Several illustrative embodiments have been described above, and it is to be understood that various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to form part of this disclosure, and are intended to be within the spirit and scope of the disclosure. Although some of the examples presented herein involve specific combinations of functions or structural elements, it should be understood that such functions and elements may be combined in other ways to accomplish the same or different objectives in accordance with the present disclosure. In particular, acts, elements and features discussed in connection with one embodiment are not intended to be excluded from a similar or other role in other embodiments. In addition, elements and components herein may be further divided into additional components or combined together to form fewer components for performing the same function. Accordingly, the foregoing description and drawings are by way of example only, and are not intended to be limiting, the scope of the invention being understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides a building space structure general model test platform which characterized in that includes:
the support is arranged on the test ground and used as a vertical bearing component of the test platform;
the net rack platform is supported by the support and is formed by connecting net rack rod pieces and bolt balls through high-strength bolts, and the bolt balls comprise upper chord balls and lower chord balls;
the spatial structure model is integrally positioned on the net rack platform and is connected with the upper chord ball of the net rack platform;
the tension and compression jack device is arranged below the upper chord ball of the net rack platform and is used for applying tension and compression load to a roof component of the space structure model;
and the platform displacement monitoring system is arranged at the joint of the space structure model and the bolt ball and is used for monitoring the displacement of the bolt ball.
2. The building space structure universal model test platform of claim 1, wherein:
the support is composed of an upper cross rib plate and a lower round steel pipe, wherein the upper end of the cross rib plate is concave and is welded with the lower chord ball of the net rack platform, and the lower end of the cross rib plate is fixedly connected with the upper end of the steel pipe.
3. The building space structure universal model test platform of claim 2, wherein:
a first steel plate is welded at the lower end of the cross rib plate, a second steel plate is welded at the upper end of the circular steel tube, 4 high-strength bolts are welded on the second steel plate in advance, bolt holes are formed in the first steel plate in positions corresponding to the high-strength bolts, and the two steel plates are connected through the high-strength bolts.
4. The building space structure universal model test platform of claim 1, wherein:
and a through hole is formed in the middle of the upper chord ball connected with the space structure model, a bolt with a certain length penetrates through the through hole, and the upper part of the upper chord ball is connected and fixed with the space structure model.
5. The building space structure universal model test platform of claim 4, wherein:
and a horizontal steel plate and a vertical steel plate are arranged above the upper chord ball, the center of the horizontal steel plate is provided with a hole, a bolt penetrates out of the through hole and is locked and fixed through a nut, and the vertical steel plate is provided with a hole and is fixedly connected with the spatial structure model through a pin shaft.
6. The building space structure universal model test platform of claim 5, wherein:
the horizontal steel plate and the vertical steel plate are fixed in a T-shaped welding mode, and the vertical steel plate is provided with a notch in the bolt position in an excavated mode so as to leave a space for the nut.
7. The building space structure universal model test platform as claimed in claim 1, wherein:
the tension and compression jack device comprises a jack and a screw rod, the jack is arranged below the upper chord ball, the upper chord ball is provided with a through hole, the lower end of the screw rod is connected with the jack, and the upper end of the screw rod penetrates out of the through hole of the upper chord ball and then is connected with a roof component of the space structure model.
8. The building space structure universal model test platform as claimed in claim 7, wherein:
and a support upright post is correspondingly arranged below the lower chord ball, and the jack is arranged on the support upright post.
9. The building space structure universal model test platform as claimed in claim 1, wherein:
the platform displacement monitoring system is arranged at the joint of the space structure model and the bolt ball by adopting electronic positioning equipment or an electronic displacement meter and is used for monitoring the displacement at the node of the bolt ball.
10. The building space structure universal model test platform according to any one of claims 1 to 9, characterized in that:
the spatial structure model is a stay cable structure model, a suspension cable structure model, a reticulated shell structure model or a membrane structure model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221961210.3U CN217359037U (en) | 2022-07-28 | 2022-07-28 | Building space structure universal model test platform |
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| CN202221961210.3U CN217359037U (en) | 2022-07-28 | 2022-07-28 | Building space structure universal model test platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307897A (en) * | 2022-10-10 | 2022-11-08 | 安徽中亚钢结构工程有限公司 | Grog warehouse top room grid structure mechanical property test device and test method |
| CN116148049A (en) * | 2023-04-14 | 2023-05-23 | 华北科技学院(中国煤矿安全技术培训中心) | Multi-point electric servo combined integral synchronous loading system and method |
-
2022
- 2022-07-28 CN CN202221961210.3U patent/CN217359037U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307897A (en) * | 2022-10-10 | 2022-11-08 | 安徽中亚钢结构工程有限公司 | Grog warehouse top room grid structure mechanical property test device and test method |
| CN116148049A (en) * | 2023-04-14 | 2023-05-23 | 华北科技学院(中国煤矿安全技术培训中心) | Multi-point electric servo combined integral synchronous loading system and method |
| CN116148049B (en) * | 2023-04-14 | 2024-01-09 | 华北科技学院(中国煤矿安全技术培训中心) | Multi-point electric servo combined integral synchronous loading system and method |
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