CN209603171U - A kind of rectangular built-in fitting device with circular hole - Google Patents
A kind of rectangular built-in fitting device with circular hole Download PDFInfo
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- CN209603171U CN209603171U CN201920121616.2U CN201920121616U CN209603171U CN 209603171 U CN209603171 U CN 209603171U CN 201920121616 U CN201920121616 U CN 201920121616U CN 209603171 U CN209603171 U CN 209603171U
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- circular hole
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- fitting device
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Abstract
The utility model discloses a kind of rectangular built-in fitting device with circular hole, relates generally to steel construction suspension column and concrete foundation interconnection technique field.It will be passed through in the bolt hole reserved with certain thickness steel plate at the top of several pre-buried bending shanks of bolt, fixed to form suspension column built-in fitting frame system by nut.Square plate center reserves the position of the shear key of the complicated cross steel of certain length, and shear connector in steel column base is vertically welded on the horizontal steel plate of suspension column bottom surface, is embedded in the shearing resistance slot of reserved circular hole, and with slightly expanded concrete final grouting.Entire built-in fitting device is conducive to being connected and fixed for steel construction suspension column and concrete foundation.Utility model has the advantages that production is simple, power transmission is clear, and cost-effective is constructed the advantages that convenient.
Description
Technical field
The utility model relates to field of civil engineering, in particular to a kind of rectangular built-in fitting device with circular hole.
Background technique
With the development of country, steel yield gradually promoted, the trend pickup of industry, Steel Structural Design and construction by
It has arrived extensive concern and has paid attention to.However often will appear some problems in Steel Structural Design and construction period at present, it cannot be guaranteed that
Design work and construction working effect, for steel structure column suspension column and concrete foundation part connection fastening problems increasingly by
To the concern of designer.Therefore, during Steel Structural Design and construction, the service performance of comprehensive analysis steel construction is needed,
The principle of energy-saving is followed, the development construction working of adaptation to local conditions promotes overall work quality with this.
Steel superstructure column suspension column and concrete foundation are linked together by built-in fitting, are played fixed and supporting role
The screw bolt and nut of each pre-embedded bolt group has some strength and rigidity, when axle power, the moment of flexure that superstructure is born
It when with Shear transfer to infrastructure structure, can guarantee structural system under various least favorable load actions, meet carrying energy
The requirement of power and normal use.
Being for the purpose that pre-embedded bolt bar bottom in suspension column built-in fitting is made into bending shape can be with concrete foundation steel
Muscle cage hook is pulled together, and is born the shearing that a part of steel superstructure passes to basis, is made steel superstructure and concrete foundation
Connection more fastens.The complicated more efficiently resistance column bottom shearing of cross shearing resistance bond energy, prevents steel structure column column base plate and base
It is slid between plinth top of concrete.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of rectangular built-in fitting device with circular hole,
Specific technical solution is as follows:
A kind of rectangular built-in fitting device with circular hole, square plate, pre-embedded bolt bar group and shear key；
Round shearing resistance slot is provided among the square plate, shearing resistance slot is surrounded by bolt hole；
The pre-embedded bolt bar group includes pre-buried bending shank of bolt, shank of bolt, nut and nut shim；
The shear key is welded by four cross steel column symmetrical chiasmas；
The bolt hole that square plate is reserved is passed through at the top of the pre-buried bending shank of bolt and shank of bolt, is tightened by nut solid
It is fixed；
Gasket is equipped between the square plate and nut；
The shear key is vertically welded on the horizontal steel plate of steel member suspension column bottom surface, is embedded in the reserved middle circle of built-in fitting
In shape shearing resistance slot, and with slightly expanded concrete final grouting.
A kind of rectangular built-in fitting device with circular hole, preferred embodiment are that the bolt hole is added using mechanical means
Work, and the big 1mm of the aperture ratio diameter of bolt.
A kind of rectangular built-in fitting device with circular hole, preferred embodiment are the pre-buried bending shank of bolt and bolt
The quantity and length of bar are determined according to shearing, axle power and the moment of flexure size born.
A kind of rectangular built-in fitting device with circular hole, preferred embodiment be the shear key cross-sectional sizes according to
Column root-plate shearing resistance determines that the depth of buried depth takes twice of depth of section.
The utility model has the beneficial effects that the utility model is hooked by embedded column bolt bar and concrete foundation steel reinforcement cage
It is pulled together, pre-embedded bolt top passes through square plate and tightens fixed by nut and form general frame system, complicated cross
Shape shear key is vertically welded on the horizontal steel plate of suspension column bottom surface, is embedded in the shearing resistance slot of reserved circular hole, and with microdilatancy coagulation
Native final grouting makes it effectively resist column bottom shearing.The device is simple with production, power transmission is clear, cost-effective, and construction is just
The advantages that prompt.Pre-embedded device provided by the invention has very strong practicability and considerable development prospect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram with the rectangular built-in fitting device of circular hole disclosed by the utility model；
Fig. 2 is the square plate structural schematic diagram with circular hole；
Fig. 3 is shear key structural schematic diagram；
Fig. 4 is the sectional view of suspension column embedded part structure system；
Fig. 5 is the structural schematic diagram that suspension column bends shank of bolt in pre-embedded bolt bar group；
Fig. 6 is the structural schematic diagram of single pre-embedded bolt.
In figure, rectangular fixation steel plate of the 10- with circular hole, 11- circular hole square plate, 12- bolt hole, 20- pre-embedded bolt bar
Group, 21- bend shank of bolt, 22- nut, 23- nut shim, 30- shear key.
Specific embodiment
A kind of rectangular built-in fitting device with circular hole as shown in figures 1 to 6, square plate, pre-embedded bolt bar group and shear key；
Round shearing resistance slot is provided among the square plate, shearing resistance slot is surrounded by bolt hole；
The pre-embedded bolt bar group includes pre-buried bending shank of bolt, shank of bolt, nut and nut shim；
The shear key is welded by four cross steel column symmetrical chiasmas；
The bolt hole that square plate is reserved is passed through at the top of the pre-buried bending shank of bolt and shank of bolt, is tightened by nut solid
It is fixed；
Gasket is equipped between the square plate and nut；
The shear key is vertically welded on the horizontal steel plate of steel member suspension column bottom surface, is embedded in the reserved middle circle of built-in fitting
Hole shearing resistance slot, and with slightly expanded concrete final grouting.
Embodiment 1
Before construction, it is familiar with drawing, answers each pre-embedded bolt floor plan of careful understanding and basic detail drawing, at the scene
It finds out the position of the high elevation line of building leveling (50 lines or 1m line) of pre-buried near sites and carries out checking preset embedded part.It is fixed pre-
Before embedded part, it is necessary to which whether the position for checking built-in fitting is correct, to guarantee the construction quality of built-in fitting.Check it is errorless after, then will
Built-in fitting is reinforced, and the displacement that falls off of vibrating in casting concrete is avoided, and be should be ensured that the verticality of built-in fitting in reinforcing process, is put down
Whole degree deviation is not more than 3mm, and horizontal absolute altitude deviation is not more than 10mm, and built-in fitting position and design position deviation are not more than 20mm.
Built-in fitting should carry out centralized positioning label in a pre-installation, measurement correction when being easily installed.Pass through band circle when installation
The square plate center position in hole and the position of plate centre line direction controlling pre-embedded bolt group.After the positioning of suspension column built-in fitting,
It before concreting and pours in process of vibrating, tracking measurement should be carried out to the position of built-in fitting and pre-embedded bolt, and formulate
Corresponding satisfactory after correcting.
Specific embodiment: according to drawing, the circle and bolt hole for designing size are cut away on square plate, and allow pre-
It buries bending shank of bolt top and passes through bolt hole, tighten fixation with nut 22, form fixed system.Suspension column is bent first when installation
Shank of bolt 22 is put into concrete foundation steel reinforcement cage in advance according to drawing approximate location, according to the position of square plate central point,
The bending segment of pre-buried bending reinforcing steel bar, is then overlapped on reinforcement foundation cage by levelness and absolute altitude, the position of continuous calibration bolt bar
On, and the position electricity consumption solid welding that shank of bolt 22 is contacted with steel reinforcement cage is determined, to form the stable frame system of an entirety.
Suspension column built-in fitting after positioning, before concreting and pours in process of vibrating, copes with square plate and pre-embedded bolt bar
Position carries out tracking measurement, and formulates corresponding satisfactory after correcting.Complicated cross shear key 30 is symmetrical by four cross steel columns
Cross weld forms, and shear key is vertically welded on the horizontal steel plate of steel member suspension column bottom surface, is embedded in reserved among square plate
Central axis of circular holes at, and with slightly expanded concrete final grouting.Specific type of attachment result is as Figure 1 and Figure 4.
It is further elaborated on the square plate with circular hole.Square plate 10 with circular hole can by square plate center according to
Certain size ratio is removed a circular steel plate and is obtained, and specific Circularhole diameter size can be according to the size of column section, shear key
Cross-sectional sizes and suffered stress intensity determine.The suitable bolt circular hole 12 of size, bolt circular hole are opened on square plate
It should be processed using mechanical means, big 1 ㎜ of the aperture ratio diameter of bolt.Pre-embedded bolt bar group 20 includes that suspension column bends shank of bolt 21, spiral shell
Female 22, nut shim 23, the quantity and length thickness of pre-buried bending shank of bolt (22) can according to the shearing born, axle power and
Moment of flexure size determines, guarantees that structural system under various least favorable load actions, meets the requirement of bearing capacity and normal use.
Its concrete form such as Fig. 5, shown in Fig. 6.Shown in Fig. 3, shear key 30 is welded by four cross steel column symmetrical chiasmas.Shearing resistance
The cross-sectional sizes of key can be determined according to column root-plate shearing resistance.As for the depth of buried depth, generally take twice of depth of section can
With.
In conclusion a kind of square column foot pre-embedded device with circular hole provided by the utility model, utilizes pre-buried bending spiral shell
Tightening latch bending place and reinforcement foundation are bound together, and built-in fitting is made to be connected firmly with concrete foundation.Pre-buried bending shank of bolt top
Portion passes through square plate and tightens fixation with nut.Complicated cross shear key is vertically welded in the level of steel member suspension column bottom surface
It on steel plate, is embedded in the reserved circular hole of built-in fitting, and use slightly expanded concrete final grouting, thus the stabilization of one entirety of formation
System.Preferably styletable can be sheared, axle power, moment of flexure passes to basis.Entire built-in fitting device is conducive to steel structure column column
Foot and concrete foundation are connected and fixed.
Claims (4)
1. a kind of rectangular built-in fitting device with circular hole, it is characterised in that: square plate, pre-embedded bolt bar group and shear key；
Round shearing resistance slot is provided among the square plate, shearing resistance slot is surrounded by bolt hole；
The pre-embedded bolt bar group includes pre-buried bending shank of bolt, shank of bolt, nut and nut shim；
The shear key is welded by four cross steel column symmetrical chiasmas；
The bolt hole that square plate is reserved is passed through at the top of the pre-buried bending shank of bolt and shank of bolt, fixation is tightened by nut；
Gasket is equipped between the square plate and nut；
The shear key is vertically welded on the horizontal steel plate of steel member suspension column bottom surface, is embedded in the reserved intermediate shearing resistance slot of built-in fitting
In, and with slightly expanded concrete final grouting.
2. a kind of rectangular built-in fitting device with circular hole according to claim 1, it is characterised in that: the bolt hole uses
Mechanical means processing, and the big 1mm of the aperture ratio diameter of bolt.
3. a kind of rectangular built-in fitting device with circular hole according to claim 1, it is characterised in that: the pre-buried bending spiral shell
The quantity and length of tightening latch and shank of bolt are determined according to shearing, axle power and the moment of flexure size born.
4. a kind of rectangular built-in fitting device with circular hole according to claim 1, it is characterised in that: the shear key is cut
Face size determines that the depth of buried depth takes twice of depth of section according to column root-plate shearing resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121616.2U CN209603171U (en) | 2019-01-24 | 2019-01-24 | A kind of rectangular built-in fitting device with circular hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121616.2U CN209603171U (en) | 2019-01-24 | 2019-01-24 | A kind of rectangular built-in fitting device with circular hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209603171U true CN209603171U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121616.2U Expired - Fee Related CN209603171U (en) | 2019-01-24 | 2019-01-24 | A kind of rectangular built-in fitting device with circular hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706956A (en) * | 2019-01-24 | 2019-05-03 | 沈阳建筑大学 | A kind of rectangular built-in fitting device with circular hole |
-
2019
- 2019-01-24 CN CN201920121616.2U patent/CN209603171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706956A (en) * | 2019-01-24 | 2019-05-03 | 沈阳建筑大学 | A kind of rectangular built-in fitting device with circular hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200821 Address after: 110000 2 Gate 73-2 Hongrun Road, Yuhong District, Shenyang City, Liaoning Province Patentee after: Shenyang Chaochuang robot Co.,Ltd. Address before: Hunnan Hunnan Road Shenyang city Liaoning province 110168 No. 9 Patentee before: SHENYANG JIANZHU University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |