CN206258459U - Concrete embedded head - Google Patents
Concrete embedded head Download PDFInfo
- Publication number
- CN206258459U CN206258459U CN201621303853.3U CN201621303853U CN206258459U CN 206258459 U CN206258459 U CN 206258459U CN 201621303853 U CN201621303853 U CN 201621303853U CN 206258459 U CN206258459 U CN 206258459U
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- Prior art keywords
- oneself
- stop part
- fitting
- built
- pedestal
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Abstract
The utility model discloses a kind of concrete embedded head, the concrete embedded head includes concreting part, the two ends of the concreting part are provided with built-in fitting, it is provided between the built-in fitting and concreting part and isolates thin layer, the built-in fitting is included for detecting that the pre- of clamping is immersed oneself in and the pre-buried pedestal to concreting part, the stop part for preventing built-in fitting from being axially moveable is provided with the pedestal, it is described it is pre- immerse oneself in control stop part sliding stretch out or retraction built-in fitting inside, on the basis of measurement accuracy is ensured, realization is easy to take out the effect of built-in fitting.
Description
Technical field
The utility model is related to concrete contraction percentage detection field, more particularly to a kind of concrete embedded head.
Background technology
The phenomenon of contraction occurs in concrete coagulation initial stage or hardening process, larger contraction can cause concrete to be held
Split, or even form penetrating passage, so concreting part is typically necessary after shaping is poured carries out contraction detection.
Authorization Notice No. is that CN201527425 Chinese patents disclose a kind of experiment dress for measuring concrete shrinkage
Put, it includes U-shaped chi frame, U-shaped chi frame one end is provided with micrometer caliper or amesdial, and the U-shaped chi frame other end is provided with micrometer head,
Detected concrete block, the pre-buried probe in north side concrete block two ends, two are provided between micrometer caliper or amesdial and micrometer head
The probe at end is withstood on micrometer head and micrometer caliper respectively, and U-shaped chi frame bottom is provided with support.
The shrinkage factor detection of concrete needs to set built-in fitting at the two ends of concreting part, and built-in fitting is due to pouring
The reason for be fixed as one with concreting part, sometimes, need to remove built-in fitting for construction and cost consideration, it is and this
Removing for the built-in fitting being fixed as one is accomplished by tapping built-in fitting loosening connecting hole or is removed in other compulsory modes, but
The taking-up operation extremely inconvenience of this mode.
Utility model content
The purpose of this utility model is to provide a kind of concrete embedded head, which solves needed for concrete contraction percentage is detected
The not easily detachable problem of built-in fitting, has reached the effect for not influenceing situation about detecting to quickly remove built-in fitting.
Above-mentioned technical purpose of the present utility model technical scheme is that：
One kind includes concreting part, and the two ends of the concreting part are provided with built-in fitting, the built-in fitting with
Isolation thin layer is provided between concreting part, the built-in fitting is included for detecting that the pre- of clamping is immersed oneself in pre-buried to coagulation
Soil pours the pedestal of part, is provided with the pedestal and prevents the stop part that is axially moveable of built-in fitting, described pre- to immerse oneself in control resistance
Stopper sliding stretch out or retraction built-in fitting inside.
Using said structure, concrete will not be sticked on built-in fitting after isolation thin layer can ensure to pour so that pre-
Directly taking out for embedded part is possibly realized, but has added and mean to apply that certain active force can be just is pre-buried after isolation thin layer
Relative sliding is produced between part and casting concrete, therefore is provided with the pedestal of built-in fitting different from built-in fitting glide direction
Stop part stop can be just produced to this sliding, and because constantly compacting is needed when concreting protecting
Card quality, that is to say, that concrete will completely be pressed on stop part surface after the completion of pouring, in addition carry out shrinkage test when
Built-in fitting is waited equivalent to unidirectionally being pulled towards away from the direction of concrete, is not in the poor backhaul that causes of gap, be based on more than
Two reasons, this structure with certain slippage will not produce influence to the accuracy of shrinkage test, ensure that measurement is accurate
On the basis of true property, realization is easy to take out the effect of built-in fitting.
More preferably：Described pre- one end immersed oneself in inserts pedestal threadably, and immersing oneself in advance
End is provided with wedge-grafting part, and the end of the stop part is provided with the wedge joint abutted with wedge-grafting part, the stop part and base
Between seat be provided with back-moving spring stop part being reset to inside retraction built-in fitting.
Using said structure, the pre- movement immersed oneself in the axial direction is realized in threaded connection, it is pre- immerse oneself in move when by
Abutted all the time in the effect wedge-grafting part of back-moving spring and wedge joint, wedge-grafting part quilt when immersing oneself in be moved to pedestal direction in advance
It is pushed outwardly, otherwise is then retracted in pedestal by the effect of back-moving spring, and the power that wedge joint is subject to is vertical in spiral shell all the time
Line, according to the latching characteristics of screw thread, the active force that the reset of stop part is produced will not drive built-in fitting, be used so as to ensure that
The stability of journey.
More preferably：The pre- end immersed oneself in be provided be distributed in it is pre- immerse oneself in it is cylindrical on convex portion, the resistance
Stopper with the rotation immersed oneself in advance be connected to the convex portion of pre-buried cephalic par or it is cylindrical on, it is described pre- to immerse oneself in be set and stop part between
Spin-ended latch is equipped with, the reset bullet being reset to stop part inside retraction built-in fitting is provided between the stop part and pedestal
Spring.
Using said structure, the setting that convex portion is immersed oneself in advance causes that the end immersed oneself in advance forms the structure of cam, works as stop
The end abutment in portion is contracted in pedestal in the outer bowlder immersed oneself in advance, stop part, when stop part is abutted to convex portion, stop part from
Expose in pedestal, the stability of stop part is then ensured with spin-ended latch.
More preferably：It is described it is pre- immerse oneself in include each to immerse oneself in be immersed oneself in interior around the outer of axle center rotatable connection, it is described in
The end immersed oneself in is hinged with the hinge bar being hinged with stop part, described to immerse oneself in be connected with base thread outward.
Using said structure, the outer portion and the interior portion of burying of burying of rotatable connection can rotate around respective axle center, but in the axial direction
Interfix drive, will immerse oneself in produce axial movement in drive when immersing oneself in carry out axial displacement by screw thread outside, and outer
The rotation immersed oneself in is immersed oneself in will not being transferred to, when moving axially it is interior immerse oneself in extrapolate stop part by hinge bar or
Interior drawing.
More preferably：The hexagonal flange for being easy to turn is provided with the pre- outer wall immersed oneself in.
Using said structure, the diameter immersed oneself in is typically small, it is difficult to direct manual rotary operation, is especially threadedly coupled
Under state, the effect of rotation can be then reached by instrument by setting hexagonal flange.
More preferably：It is described it is pre- immerse oneself between pedestal sliding vertically and be connected, the pre- end immersed oneself in is hinged
There is a hinge bar being connected with stop part, it is described pre- to immerse oneself in be provided with stop latch and stop part between.
Using said structure, stop part is extrapolated or interior drawing by hinge bar when inside immersing oneself in move axially,
Then keep fixing by stop latch.
More preferably：The direction of displacement of the stop part and the axis perpendicular immersed oneself in advance.
Using said structure, stop part with immerse oneself in into advance it is arbitrarily angled be capable of achieving to accurately measure and convenient dismounting effect
Really, but with vertical effect preferably, the direction of displacement of stop part and built-in fitting is vertical when vertical, and this causes mutual promotion
When, be not in dead point when especially promotion with hinge bar.
More preferably：The stop part is set to even number.
Using said structure, even number stop part stress is symmetrical, can preferably ensure integrally-built stability.
In sum, the utility model has the advantages that：Concrete embedded part is ensureing the base of measurement accuracy
On plinth, easy removal of effect is realized.
Brief description of the drawings
Fig. 1 is the concreting part of embodiment one along the structural representation of built-in fitting axis section view；
Fig. 2 is the concreting part of embodiment two along the structural representation of built-in fitting axis section view；
Fig. 3 is Fig. 2 of embodiment two along the sectional view of A-A；
Fig. 4 is the concreting part of embodiment three along the structural representation of built-in fitting axis section view；
Fig. 5 is the concreting part of example IV along the structural representation of built-in fitting axis section view.
In figure, 1, concreting part；2nd, built-in fitting；21st, pedestal；22nd, immerse oneself in advance；23rd, stop part；24th, back-moving spring；
25th, hexagonal flange；26th, spin-ended latch；27th, stop latch；28th, hinge bar；221st, wedge-grafting part；222nd, convex portion；223rd, it is cylindrical；
224th, immerse oneself in outward；225th, it is interior to immerse oneself in；231st, wedge joint.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected by Patent Law in protection domain of the present utility model.
Embodiment 1：Concrete embedded first 22, as shown in figure 1, concreting part 1 and built-in fitting 2, built-in fitting 2 is arranged on
The two ends of concreting part 1, in order to prevent concreting part 1 from producing adhesion with built-in fitting 2, set in the outer surface of built-in fitting 2
Isolation thin layer is put, thin layer is normally isolated and the outer surface of built-in fitting 2 had just been covered in before pouring, isolation thin layer can be isolation
Paper or plastic sheeting etc. have some strength, fluid-tight thin covering.
Built-in fitting 2 mainly includes immersing oneself in 22, pedestal 21 and stop part 23 in advance, and 22 are immersed oneself in advance for detecting clamping, pedestal 21
It is pre-buried to concreting part 1, immerse oneself in advance 22 can control stop part 23 slide stretch out or retraction built-in fitting 2 inside.
Concrete will not be sticked on built-in fitting 2 after isolation thin layer can ensure to pour so that the direct of built-in fitting 2 takes
Go out to be possibly realized, but added mean after isolation thin layer apply certain active force can with so that built-in fitting 2 with pour it is mixed
Relative sliding is produced between solidifying soil, therefore the stops different from the glide direction of built-in fitting 2 are provided with the pedestal 21 of built-in fitting 2
Portion 23 can just produce stop to this sliding, and because constantly compacting be needed when concreting to ensure matter
Amount, concrete will completely be pressed on the surface of stop part 23 after the completion of pouring, in addition the phase of built-in fitting 2 when shrinkage test is carried out
When in unidirectionally being pulled towards away from the direction of concrete, being not in the poor backhaul that causes of gap, based on two above reason, this
Planting the structure with certain slippage will not produce influence to the accuracy of shrinkage test, ensure the basis of measurement accuracy
On, realization is easy to take out the effect of built-in fitting 2.
Pedestal 21 is inserted in the one end for immersing oneself in 22 in advance threadably, and the end that 22 are immersed oneself in advance is provided with wedge-grafting part
221, the end of stop part 23 is provided with the wedge joint 231 abutted with wedge-grafting part 221, is set between stop part 23 and pedestal 21
Have the back-moving spring 24 stop part 23 being reset to inside retraction built-in fitting 2.
Threaded connection is realized immersing oneself in 22 movement in the axial direction in advance, due to back-moving spring when 22 movement is immersed oneself in advance
24 effect wedge-grafting part 221 and wedge joint 231 are abutted all the time, when it is pre- immerse oneself in 22 moved to the direction of pedestal 21 when wedge-grafting part
221 are pushed outwardly, otherwise are then retracted in pedestal 21 by the effect of back-moving spring 24, and the power that wedge joint 231 is subject to
It is all the time vertical that in screw thread, according to the latching characteristics of screw thread, the active force that the reset of stop part 23 is produced will not drive built-in fitting 2,
The stability of process is used so as to ensure that.
Stop part 23 with immerse oneself in advance 22 one-tenth it is arbitrarily angled be capable of achieving to accurately measure and convenient dismounting effects, but with vertical
Effect preferably, the direction of displacement of stop part 23 and built-in fitting 2 is vertical when vertical, when this causes mutually to promote, especially
It is not in dead point when being and promoted in the way of hinge bar 28, while in order to ensure the stability of stress by stop part 23
It is set to even number.
In addition, the diameter immersed oneself in is typically small, it is difficult to direct manual rotary operation, in the state of being especially threadedly coupled,
Therefore the hexagonal flange 25 for being easy to turn is provided with the outer wall for immersing oneself in 22 in advance.
Embodiment 2, concrete embedded first 22, as shown in Figures 2 and 3, the end that 22 are immersed oneself in advance is provided with and is distributed in cylindrical 223
On convex portion 222, stop part 23 is connected to the pre- convex portion 222 for immersing oneself in 22 ends or cylindrical 223 with the rotation for immersing oneself in 22 in advance
On, immerse oneself in be provided with spin-ended latch 26 between 22 and stop part 23 in advance, it is provided with stop part between stop part 23 and pedestal 21
23 are reset to the back-moving spring 24 inside retraction built-in fitting 2.
The pre- setting for immersing oneself in 22 convex portions 222 causes that the end for immersing oneself in 22 in advance forms cam structure, when the end of stop part 23
Portion be connected to it is pre- stop part 23 is contracted in pedestal 21 when immersing oneself in cylindrical the 223 of 22, when stop part 23 is abutted to convex portion 222,
Stop part 23 exposes from pedestal 21, then exposes state with the holding stop part 23 of spin-ended latch 26.
Embodiment 3：Concrete embedded first 22, as shown in figure 4, pre- immerse oneself in 22 including each around outer the burying of axle center rotatable connection
First 224 and it is interior immerse oneself in 225, the end for inside immersing oneself in 225 is hinged with the hinge bar 28 being hinged with stop part 23, and 224 and base are immersed oneself in outward
Seat 21 is threadedly coupled.
Rotatable connection it is outer immerse oneself in 224 and it is interior immerse oneself in 225 and can be rotated around respective axle center, but interfix in the axial direction
Drive, immerse oneself in outside 224 will drive when carry out axial displacement by screw thread in immerse oneself in 225 generations and move axially, and bury outward
First 224 rotation immerses oneself in 225 in will not being transferred to, interior when moving axially to immerse oneself in 225 by hinge bar 28 to stop part
23 are extrapolated or interior drawing.
Embodiment 4：Concrete embedded first 22, as shown in figure 5, pre- immerse oneself in sliding connection vertically between 22 and pedestal 21,
The end for immersing oneself in 22 in advance is hinged with the hinge bar 28 being connected with stop part 23, immerses oneself in be provided with stop between 22 and stop part 23 in advance
Latch 27.
225 are inside immersed oneself in when move axially to extrapolate stop part 23 by hinge bar 28 or interior drawing, is then led to
Stop latch 27 is crossed to keep fixing.
Claims (8)
1. a kind of concrete embedded head, including concreting part (1), it is characterized in that：The two ends of the concreting part (1)
Built-in fitting (2) is provided with, is provided between the built-in fitting (2) and concreting part (1) and is isolated thin layer, the built-in fitting
(2) including for detecting that the pre- of clamping immerses oneself in (22) and the pre-buried pedestal (21) to concreting part (1), the pedestal (21)
On be provided with and prevent built-in fitting (2) stop part (23) for being axially moveable, described pre- immerse oneself in (22) control stop part (23) sliding
Stretch out or retraction built-in fitting (2) is internal.
2. concrete embedded head according to claim 1, it is characterized in that：Described pre- one end for immersing oneself in (22) is being threadedly coupled
Mode insert pedestal (21), and the end for immersing oneself in (22) in advance is provided with wedge-grafting part (221), the end of the stop part (23)
Portion is provided with the wedge joint (231) abutted with wedge-grafting part (221), be provided between the stop part (23) and pedestal (21) by
Stop part (23) is reset to the internal back-moving spring (24) of retraction built-in fitting (2).
3. concrete embedded head according to claim 1, it is characterized in that：The pre- end for immersing oneself in (22) sets and is distributed
Convex portion (222) on cylindrical (223) for immersing oneself in (22) in advance, the stop part (23) is connected to the rotation for immersing oneself in (22) in advance
Immerse oneself in advance on the convex portion (222) or cylindrical (223) of (22) end, it is described pre- to immerse oneself in be provided between (22) and stop part (23)
Spin-ended latch (26), is provided between the stop part (23) and pedestal (21) and for stop part (23) to be reset to retraction built-in fitting
(2) internal back-moving spring (24).
4. concrete embedded head according to claim 1, it is characterized in that：Pre- immerse oneself in (22) around axle center including each revolving
Turn connection it is outer immerse oneself in (224) and it is interior immerse oneself in (225), the interior end for immersing oneself in (225) is hinged with and is hinged with stop part (23)
Hinge bar (28), it is described outer to immerse oneself in (224) and be threadedly coupled with pedestal (21).
5. the concrete embedded head according to Claims 2 or 3 or 4, it is characterized in that：Set on the pre- outer wall for immersing oneself in (22)
It is equipped with the hexagonal flange (25) for being easy to turn.
6. concrete embedded head according to claim 1, it is characterized in that：It is described pre- to immerse oneself in edge between (22) and pedestal (21)
Axial slip is connected, and the pre- end for immersing oneself in (22) is hinged with the hinge bar (28) being connected with stop part (23), described pre-buried
Stop latch (27) is provided between head (22) and stop part (23).
7. concrete embedded head according to claim 1, it is characterized in that：The direction of displacement of the stop part (23) with it is pre-buried
The axis perpendicular of head (22).
8. concrete embedded head according to claim 1, it is characterized in that：The stop part (23) is set to even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303853.3U CN206258459U (en) | 2016-11-28 | 2016-11-28 | Concrete embedded head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303853.3U CN206258459U (en) | 2016-11-28 | 2016-11-28 | Concrete embedded head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258459U true CN206258459U (en) | 2017-06-16 |
Family
ID=59026577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303853.3U Expired - Fee Related CN206258459U (en) | 2016-11-28 | 2016-11-28 | Concrete embedded head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455857A (en) * | 2020-04-21 | 2020-07-28 | 重庆交通建设(集团)有限责任公司 | Installation process of curve segment large-span cast-in-place continuous box girder embedded part |
| CN113266081A (en) * | 2021-07-01 | 2021-08-17 | 温州神光建设工程有限公司 | Environment-friendly civil construction pre-buried construction structure |
-
2016
- 2016-11-28 CN CN201621303853.3U patent/CN206258459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455857A (en) * | 2020-04-21 | 2020-07-28 | 重庆交通建设(集团)有限责任公司 | Installation process of curve segment large-span cast-in-place continuous box girder embedded part |
| CN113266081A (en) * | 2021-07-01 | 2021-08-17 | 温州神光建设工程有限公司 | Environment-friendly civil construction pre-buried construction structure |
| CN113266081B (en) * | 2021-07-01 | 2022-07-29 | 温州神光建设工程有限公司 | Environment-friendly civil construction pre-buried construction structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171128 |