CN208443667U - A kind of built-in hanger shear strength test device - Google Patents
A kind of built-in hanger shear strength test device Download PDFInfo
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- CN208443667U CN208443667U CN201821266176.1U CN201821266176U CN208443667U CN 208443667 U CN208443667 U CN 208443667U CN 201821266176 U CN201821266176 U CN 201821266176U CN 208443667 U CN208443667 U CN 208443667U
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Abstract
The utility model belongs to research and development application of result field, more particularly to a kind of built-in hanger shear strength test device.Including steel plate A, channel steel supporting leg, power transmission reinforcing bar, substrate concrete, annulus angle steel, built-in hanger, fixture, force snesor, steel plate B, punching jack and steel plate C；The steel plate A is circular steel plate, steel plate A, channel steel supporting leg and annulus angle steel are welded as circular platform type support frame, steel plate A is the top of circular platform type support frame, circular platform type support frame is set on substrate concrete, substrate concrete is placed on the ground, and the angle of channel steel supporting leg and annulus angle steel is 45 ° -60 °；Circular hole is arranged in the center of the steel plate A, and circular hole is not contacted with power transmission reinforcing bar；The utility model solves the problems, such as that no earth anchor, the laboratory without large-scale tension equipment cannot complete built-in hanger shearing test.The utility model design is simple, is easy to manufacture and use, can not only save test period but also can save experimentation cost.
Description
Technical field
The utility model belongs to research and development application of result field, shears more particularly to a kind of built-in hanger strong
Spend experimental rig.
Background technique
For built-in hanger during practical implementation, the lifting of various forms of prefabricated components can make its appearance a variety of
Stress form, but total cognition is divided into tension, is cut, draws and cut three kinds of stress conditions of coupling.Since built-in hanger stress will exist
May be there is a situation where various failure modes, how to avoid the possibility destroyed in use just becomes one urgently
It solves the problems, such as, this just needs a set of mature, reliable detection method.Domestic precast concrete is numerous with built-in hanger type
More, number of applications is big, has a wide range of application.But there is no the unified experimental rig of built-in hanger testing shear performance and tests at present
Method, many relevant detection devices are due to device itself, and built-in hanger is while being cut, also in the work of bending moment
With leading to built-in hanger is not the ideally effect by pure shear, therefore other detection devices can not accurate evaluation
Built-in hanger shear behavior causes engineering safety assessment uncertain big, and design selection is uncertain big, and built-in hanger is caused to exist
There is more problems in use process.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of built-in hanger shear strength test device, energy
Enough laboratories in no earth anchor realize the shearing test of built-in hanger using the self-reaction force of component itself, have both saved test period
Consumption is reduced costs again, there is good stress performance and enough bearing capacities, and be easily installed.
The technical solution adopted in the utility model are as follows:
A kind of built-in hanger shear strength test device, including steel plate A, channel steel supporting leg, power transmission reinforcing bar, substrate concrete,
Annulus angle steel, built-in hanger, fixture, force snesor, steel plate B, punching jack and steel plate C；
The steel plate A is circular steel plate, and steel plate A, channel steel supporting leg and annulus angle steel are welded as circular platform type support frame, steel plate
A is the top of circular platform type support frame, and circular platform type support frame is set on substrate concrete, and substrate concrete is placed on ground
On, the angle of channel steel supporting leg and annulus angle steel is 45 ° -60 °；Circular hole, circular hole and power transmission reinforcing bar is arranged in the center of the steel plate A
It does not contact, power transmission reinforcing bar is welded to connect across the circular hole and steel plate C of steel plate A；The steel plate C is square plate, center setting
Bolt hole, steel plate C are bolted with built-in hanger；Built-in hanger is set to the center of substrate concrete side, built-in hanger dew
The part of substrate concrete is located at the underface of the circular hole of steel plate A out；Punching jack pass through power transmission steel-bar arrangement in steel plate A it
On；Circular hole is arranged in the center of steel plate B, and circular hole passes through power transmission reinforcing bar, and steel plate B is placed on punching jack；Force snesor passes through
Power transmission reinforcing bar is placed on steel plate B；Fixture passes through power transmission reinforcing bar and is placed on force snesor, and fixture is used for fixing force transfer reinforcing bar；
Punching jack is lifted power transmission reinforcing bar, and power transmission reinforcing bar drives steel plate C to be promoted, and realizes the shearing to built-in hanger.
Further, the channel steel supporting leg is set as four, the vertical plane where two adjacent channel steel supporting legs
Angle is 90 °.
Further, the steel plate A is circle, a diameter of 300~450mm, with a thickness of 30~45mm, Circularhole diameter
For 50~60mm.
Further, a height of 35~40mm of the annulus angle steel list limb, diameter are 1200~1500mm.
Further, bolt hole is arranged in the center the steel plate C, and diameter of bolt hole is 20~50mm.
Further, the substrate concrete is I-shaped concrete, and centre concaves 500~800mm.
A kind of detection method of built-in hanger shear strength, includes the following steps:
(1) substrate concrete is placed on smooth ground；
(2) circular platform type support is placed on substrate concrete, the upper plane and substrate coagulation of circular platform type support frame
Soil need to be maintained on same level surface, and built-in hanger is set to the center of substrate concrete side, and it is mixed that built-in hanger exposes substrate
Coagulate the underface that native part is located at the circular hole of steel plate A；
(3) power transmission reinforcing bar is passed through steel plate A to be connected with steel plate C, and is connected by the bolt hole of steel plate C with built-in hanger；
(4) punching jack, steel plate B, force snesor, fixture are sequentially passed through into power transmission reinforcing bar and is placed in circular platform type top of support
On the steel plate A in portion, by fixture fixing force transfer reinforcing bar, the center of punching jack and force snesor can with power transmission reinforcing bar and
The center of built-in hanger exposed portion keeps coaxial, and power transmission reinforcing bar does not contact intermediate experimental rig, reduces frictional force, guarantees to cut
Shear force can be transferred completely into built-in hanger；
(5) displacement meter support is fixed on power transmission reinforcing bar, displacement meter pointer is placed on the examination of the concrete outside destroyed area
On part, guarantee the accuracy of displacement meter measurement result.
(6) manual loading punching jack is lifted power transmission reinforcing bar, is completed using the self-locking system of shear strength test device
Cutting performance detection to built-in hanger.
The beneficial effect of the utility model patent is:
The advantages of the utility model and beneficial effect are can to make built-in hanger to be measured while being cut, not the work of bending moment
With so that built-in hanger is the ideally effect by pure shear；Traditional built-in hanger shear strength test loading device must
Need there are the ground fixing devices such as ground beam, foundation bolt, and device complex installation process, it is time-consuming and laborious.The utility model master
It solves the problems, such as that no earth anchor, the laboratory without large-scale tension equipment cannot complete built-in hanger shearing test, and can expire
The required precision of sufficient shearing test；The utility model design is simple, is easy to manufacture and use, can be replaced according to built-in hanger model
Steel plate C can not only save test period but also can save experimentation cost；The utility model more can under the experiment of a large amount of repeatability
Embody the convenience of the utility model.After the completion of one built-in hanger detection, bolt need to only be backed out, replacement is to be measured to another
It can be tested on built-in hanger, without carrying out excessive weld job；The utility model uses I-shaped concrete, can save
The about dosage of concrete, to save experimentation cost.
Detailed description of the invention
Fig. 1 is a kind of built-in hanger shear strength test device axonometric drawing.
Fig. 2 is a kind of built-in hanger shear strength test device main view.
Fig. 3 is a kind of built-in hanger shear strength test device top view.
Fig. 4 is a kind of built-in hanger shear strength test device left view.
In figure: 1 is steel plate A；2 be channel steel supporting leg；3 be power transmission reinforcing bar；4 be substrate concrete；5 be annulus angle steel；6 be pre-
Bury hanging piece；7 be fixture；8 be force snesor；9 be steel plate B；10 be punching jack；11 be steel plate C.
Specific embodiment
In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments
It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model:
Embodiment: as Figure 1-Figure 4, a kind of built-in hanger shear strength test device, including steel plate A1, channel steel supporting leg
2, power transmission reinforcing bar 3, substrate concrete 4, annulus angle steel 5, built-in hanger 6, fixture 7, force snesor 8, steel plate B9, punching jack
10 and steel plate C11；
The steel plate A1 is circular steel plate, and the diameter of steel plate A1 is 300~450mm, and with a thickness of 30~45mm, circular hole is straight
Diameter is 50~60mm, and steel plate A1, channel steel supporting leg 2 and annulus angle steel 5 are welded as circular platform type support frame, and steel plate A1 is circular platform type support
The top of frame, circular platform type support frame are set on substrate concrete 4, and substrate concrete 4 is placed on the ground, substrate concrete
4 be I-shaped concrete, and centre concaves 500~800mm, and the angle of channel steel supporting leg 2 and annulus angle steel 5 is 45 ° -60 °, channel steel
Supporting leg 2 is set as four, and the angle of the vertical plane where adjacent two channel steel supporting legs 2 is 90 °, and the single limb of annulus angle steel 5 is high
For 35~40mm, diameter is 1200~1500mm；Circular hole is arranged in the center of the steel plate A1, and circular hole does not connect with power transmission reinforcing bar 3
Touching, power transmission reinforcing bar 3 are welded to connect across the circular hole and steel plate C11 of steel plate A1；The steel plate C11 is square plate, and center is set
Bolt hole is set, diameter of bolt hole is 20~50mm, and steel plate C11 is bolted with built-in hanger 6；Built-in hanger 6 is set to substrate
The center of 4 side of concrete, the part that built-in hanger 6 exposes substrate concrete 4 are located at the underface of the circular hole of steel plate A1；Punching
Jack 10 passes through power transmission reinforcing bar 3 and is set on steel plate A1；Circular hole is arranged in the center of steel plate B9, and circular hole passes through power transmission reinforcing bar 3,
Steel plate B9 is placed on punching jack 10；Force snesor 8 passes through power transmission reinforcing bar 3 and is placed on steel plate B9；Fixture 7 passes through power transmission
Reinforcing bar 3 is placed on force snesor 8, and fixture 7 is used for fixing force transfer reinforcing bar 3；Punching jack 10 is lifted power transmission reinforcing bar 3, power transmission
Reinforcing bar 3 drives steel plate C11 to be promoted；Realize the shearing to built-in hanger 6.
Support frame is placed on substrate concrete 4, and guarantees that the power transmission reinforcing bar 3 for being welded with steel plate C11 is perpendicular to the ground,
It avoids generating drawing load in shear history；The hole that the power transmission reinforcing bar 3 for being welded with steel plate C11 passes through round plate 1 is hung with pre-buried
Part 6 is bolted together, and effect is by Shear transfer by power transmission reinforcing bar 3 to built-in hanger 6；Punching jack 10 is placed
On top round plate 1, top pading plate B9, effect is to be by promotion and the bolted power transmission reinforcing bar 3 of built-in hanger 6
Built-in hanger provides a shearing force straight up；Force snesor 8 is placed on steel plate B9, and fixture 7 is fixed on
On force snesor 8, effect is to make steel plate B9, force snesor 8, fixture 7 and power transmission reinforcing bar 3 and form an entirety, is led to
Punching jack lifting steel plate B9 is crossed, power is applied to power transmission reinforcing bar 3, punching jack 10 is acquired by force snesor 8 and is applied
To the pulling force of power transmission reinforcing bar (3).
The diameter of annulus angle steel 5 can be determined according to the size of substrate concrete, be maintained at according to the angle on supporting leg and ground
Between 45 ° -60 ° and the diameter of steel plate A1, the size of entire support frame is determined.
A kind of detection method of built-in hanger shear strength, includes the following steps:
(1) substrate concrete 4 is placed on smooth ground；
(2) circular platform type support is placed on substrate concrete 4, the upper plane and substrate coagulation of circular platform type support frame
Soil 4 need to be maintained on same level surface, and built-in hanger 6 is set to the center of 4 side of substrate concrete, and built-in hanger 6 exposes base
The part of material concrete 4 is located at the underface of the circular hole of steel plate A1；
(3) power transmission reinforcing bar 3 is passed through steel plate A1 to be connected with steel plate C11, and passes through the bolt hole and built-in hanger of steel plate C11
6 are connected；
(4) punching jack 10, steel plate B9, force snesor 8, fixture 7 are sequentially passed through into power transmission reinforcing bar 3 and is placed in circular platform type
On the steel plate A1 of cradle top, by 7 fixing force transfer reinforcing bar 3 of fixture, the center of punching jack 4 and force snesor 8 can
Keep coaxial with the center of 6 exposed portion of power transmission reinforcing bar 3 and built-in hanger, power transmission reinforcing bar 3 does not contact intermediate experimental rig, subtracts
Few frictional force guarantees that shearing force can be transferred completely into built-in hanger 6；
(5) displacement meter support is fixed on power transmission reinforcing bar 3, displacement meter pointer is placed on the examination of the concrete outside destroyed area
On part, guarantee the accuracy of displacement meter measurement result.
(6) manual loading punching jack 10 is lifted power transmission reinforcing bar 3, and the self-locking system using shear strength test device is complete
The cutting performance detection of pairs of built-in hanger 9.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of built-in hanger shear strength test device, it is characterised in that: including steel plate A(1), channel steel supporting leg (2), power transmission steel
Muscle (3), substrate concrete (4), annulus angle steel (5), built-in hanger (6), fixture (7), force snesor (8), steel plate B(9), punching
Jack (10) and steel plate C(11)；
The steel plate A(1) be circular steel plate, steel plate A(1), channel steel supporting leg (2) and annulus angle steel (5) be welded as circular platform type branch
Support, steel plate A(1) be circular platform type support frame top, circular platform type support frame is set on substrate concrete (4), and substrate is mixed
Solidifying soil (4) is placed on the ground, and the angle of channel steel supporting leg (2) and annulus angle steel (5) is 45 ° -60 °；The steel plate A's (1)
Circular hole is arranged in center, and circular hole is not contacted with power transmission reinforcing bar (3), circular hole and steel plate C(11 of the power transmission reinforcing bar (3) across steel plate A(1))
It is welded to connect；The steel plate C(11) it is square plate, bolt hole, steel plate C(11 is arranged in center) and built-in hanger (6) bolt
Connection；Built-in hanger (6) is set to the center of substrate concrete (4) side, and built-in hanger (6) exposes substrate concrete (4)
Part is positioned at the underface of the circular hole of steel plate A(1)；Punching jack (10) passes through power transmission reinforcing bar (3) and is set to steel plate A(1) it
On；Steel plate B(9) center be arranged circular hole, circular hole pass through power transmission reinforcing bar (3), steel plate B(9) be placed on punching jack (10)；
Force snesor (8) passes through power transmission reinforcing bar (3) and is placed in steel plate B(9) on；Fixture (7) passes through power transmission reinforcing bar (3) and is placed in force snesor
(8) on, fixture (7) is used for fixing force transfer reinforcing bar (3)；Punching jack (10) is lifted power transmission reinforcing bar (3), power transmission reinforcing bar (3)
Drive steel plate C(11) it is promoted, realize the shearing to built-in hanger (6).
2. a kind of built-in hanger shear strength test device according to claim 1, it is characterised in that: the channel steel
Supporting leg (2) is set as four, and the angle of the vertical plane where two adjacent channel steel supporting legs (2) is 90 °.
3. a kind of built-in hanger shear strength test device according to claim 1, it is characterised in that: the steel plate
It A(1 is) circle, a diameter of 300~450mm, with a thickness of 30~45mm, Circularhole diameter is 50~60mm.
4. a kind of built-in hanger shear strength test device according to claim 1, it is characterised in that: the annulus angle
Steel (5) the list a height of 35~40mm of limb, diameter are 1200~1500mm.
5. a kind of built-in hanger shear strength test device according to claim 1, it is characterised in that: the steel plate C
(11) bolt hole is arranged in center, and diameter of bolt hole is 20~50mm.
6. a kind of built-in hanger shear strength test device according to claim 1, it is characterised in that: the substrate is mixed
Solidifying soil (4) is I-shaped concrete, and centre concaves 500~800mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266176.1U CN208443667U (en) | 2018-08-07 | 2018-08-07 | A kind of built-in hanger shear strength test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266176.1U CN208443667U (en) | 2018-08-07 | 2018-08-07 | A kind of built-in hanger shear strength test device |
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| CN208443667U true CN208443667U (en) | 2019-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680442A (en) * | 2018-08-07 | 2018-10-19 | 沈阳建筑大学 | A kind of built-in hanger shear strength test device and detection method |
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2018
- 2018-08-07 CN CN201821266176.1U patent/CN208443667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680442A (en) * | 2018-08-07 | 2018-10-19 | 沈阳建筑大学 | A kind of built-in hanger shear strength test device and detection method |
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