CN217812416U - Limiter for prestressed tension of concrete member - Google Patents
Limiter for prestressed tension of concrete member Download PDFInfo
- Publication number
- CN217812416U CN217812416U CN202222025902.3U CN202222025902U CN217812416U CN 217812416 U CN217812416 U CN 217812416U CN 202222025902 U CN202222025902 U CN 202222025902U CN 217812416 U CN217812416 U CN 217812416U
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- Prior art keywords
- hole
- clamping piece
- anchor
- piece
- concrete member
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model relates to a concrete member consumptive material technical field, the name is stopper for concrete member prestressing force stretch-draw, including a round platform shape clamping piece, the clamping piece in the middle of have a through hole that runs through around, the clamping piece have the multi-disc to piece up into a toper, toper type combination clamping piece is the meshing piece, but also a haplopore anchor anchorage ring in front of the clamping piece, haplopore anchorage device or anchor ring have a through hole that runs through around, haplopore anchor or anchor ring back is the round platform shape recess that cooperates the meshing piece outside; the clamping piece is arranged in front of the through hole of the rear seat, and the front of the spring is propped against the back of the clamping piece; the steel bar locking device has the advantages of being capable of automatically locking the steel bars by the clamping pieces, simple to operate and high in steel bar locking degree.
Description
Technical Field
The utility model belongs to the technical field of the concrete member consumptive material technique and specifically relates to a stopper is used in concrete member prestressing force stretch-draw is related to.
Background
The concrete member is internally provided with steel bars, two ends of the steel bars exceed the outer end face of the concrete member, the condition that the concrete has strong stress is that the steel bars in the concrete member are in a stretching state, so that the two ends of the preliminarily manufactured concrete member are required to be provided with the limiters, the limiters enable the steel bars in the concrete member to be in the stretching state, then the concrete member is solidified and shaped, the steel bars are in the locking stretching state, and the limiters can be detached.
The limiter comprises a circular truncated cone-shaped clamping piece, wherein a through hole penetrating through the clamping piece is formed in the middle of the clamping piece, the through hole is a clamping piece through hole, a plurality of cracks are formed in the front of the clamping piece, the clamping piece on the side surface of each crack is an engagement piece, a single-hole anchor is further arranged in the front of the clamping piece, the single-hole anchor is provided with a through hole penetrating through the front and the rear of the single-hole anchor, the through hole is a single-hole anchor through hole, and a circular truncated cone-shaped groove outside the engagement piece is formed in the rear of the single-hole anchor; when the clamping piece is used, the clamping piece is arranged behind the through hole of the single-hole anchor, the steel bar passes through the through hole of the single-hole anchor and the through hole of the clamping piece, the stretching mechanism is arranged behind the clamping piece, the steel bar can be stretched, and the steel bar is locked by the meshing piece through the circular truncated cone-shaped groove acting on the back of the single-hole anchor; in the prior art, the position that does not have the installation spring on the stopper, just also can not be automatic deadly to the reinforcing bar with the clamping piece, have troublesome poeration, the bad shortcoming of locking reinforcing bar degree.
Disclosure of Invention
The utility model aims at just to above-mentioned shortcoming, provide an automatic with the clamping piece dead to the reinforcing bar lock, stopper is used in concrete member prestressing force stretch-draw that easy operation, dead reinforcing bar degree of lock are strong.
The technical scheme of the utility model realize like this: the limiter for the prestress tensioning of the concrete member comprises a circular truncated cone-shaped clamping piece, wherein a through hole penetrating through the clamping piece is formed in the middle of the clamping piece, the through hole is a clamping piece through hole, a plurality of cracks are arranged in front of the clamping piece, the clamping piece on the side surface of each crack is an engagement piece, a single-hole anchor is arranged in front of the clamping piece, the single-hole anchor is provided with a through hole penetrating through the clamping piece and the single-hole anchor, the through hole is a single-hole anchor through hole, and a circular truncated cone-shaped groove matched with the outer surface of the engagement piece is arranged behind the single-hole anchor; the method is characterized in that: the clamping piece is arranged in front of the through hole of the rear seat, and the front of the spring is propped against the back of the clamping piece.
Furthermore, the inside of the meshing piece is provided with a tooth-shaped structure for preventing the reinforcing steel bars from moving back and forth.
The utility model has the advantages that: the limiter for prestress tensioning of the concrete member has the advantages of capability of automatically locking the steel bar by the clamping piece, simplicity in operation and high steel bar locking degree.
Drawings
Figure 1 is a schematic view of the molding assembly of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic sectional view taken along line B-B in fig. 1.
Fig. 4 is a schematic cross-sectional view taken along line C-C in fig. 1.
Wherein: 1. the clip comprises a clip 11, a clip through hole 12, a gap 13, a meshing piece 131, a tooth-shaped structure 14, a hexagonal prism-shaped structure 2, a single-hole anchor 21, a single-hole anchor through hole 22, a side hole 3, a rear seat 31, a rear seat through hole 32, an expansion part 4, a spring 5 and a steel bar.
Detailed Description
The technical solution of the present invention is further described with reference to the following examples.
As shown in fig. 1 and 2, the stopper for prestress tension of concrete member comprises a circular truncated cone-shaped clip 1, wherein a through hole penetrating through the front and the rear is arranged in the middle of the clip, the through hole is a clip through hole 11, a plurality of cracks 12 are arranged in front of the clip, the clip on the side of the crack is an engaging piece 13, a single-hole anchor 2 is arranged in front of the clip, the single-hole anchor is provided with a through hole penetrating through the front and the rear, the through hole is a single-hole anchor through hole 21, and a circular truncated cone-shaped groove matched with the outside of the engaging piece is arranged behind the single-hole anchor; the method is characterized in that: it still includes a back seat 3, the back seat in the middle of have the through hole of running through front and back, this through hole is back seat through hole 31, back seat through hole front surface expand to expansion position 32 around, spring 4 installs in expansion position inside in addition, the clamping piece in the front of back seat through hole, the preceding back that pushes up the clamping piece of spring.
The utility model discloses during the use, insert the free end of reinforcing bar 5 in the haplopore anchor through hole of haplopore anchor from the front, insert the clamping piece through hole of clamping piece from the front again, the spring is placed at the extension position of back seat through hole, insert the back seat through hole with the free end of reinforcing bar 5 from the front, can use specialized tool, outside pulling reinforcing bar, make the reinforcing bar be in taut state, and simultaneously, the back seat is being pushed forward, the back seat acts on the spring, the spring action is in the clamping piece, the meshing piece on the clamping piece is at the hou mian extension position condensation of haplopore anchor, and the locking reinforcing bar, whole process is simple to use, the locking reinforcing bar is effectual, reinforcing bar locking after the locking is firm, difficult not hard up, can reach the utility model aims.
Further, the engaging piece has a tooth structure 131 for preventing the reinforcement from moving forward and backward.
The utility model discloses set up like this, more firm advantage when having meshing piece locking reinforcing bar.
Furthermore, the rear end of the spring is connected with the rear seat.
The utility model discloses set up like this, still have spring and back seat and become an organic whole, reduce the part installation, install, dismantle more convenient advantage.
Furthermore, the included angle alpha between the outer side surface of the engaging piece and the central line of the clamping piece is 25-35 degrees.
The utility model discloses set up like this, still have the clamping piece and lock more easily, design more reasonable advantage.
Further, the clip has a hexagonal prism-shaped structure 14 at the rear periphery thereof.
The utility model discloses set up like this, as shown in fig. 3, still have the advantage of this clamping piece of being convenient for to dismantle, work as this stopper promptly and not use, when dismantling the clamping piece, can use the spanner to twist the structure of moving hexagonal prism type (the structure of nut periphery), can dismantle the clamping piece down, it is convenient to dismantle.
Further, the single hole anchor has a plurality of side holes 22 around the front face.
The utility model discloses set up like this, as shown in fig. 4, still have be convenient for dismantle when this clamping piece, promptly when this stopper does not use, when dismantling the clamping piece, can insert a part side pore pair haplopore anchor and fix, can dismantle down the clamping piece, it is convenient to dismantle.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments by utilizing the above-mentioned technical contents without departing from the technical scope of the present invention, but all those persons do not depart from the technical scope of the present invention.
Claims (7)
1. The limiter for the prestress tension of the concrete member comprises a circular truncated cone-shaped clamping piece, wherein a through hole penetrating through the clamping piece is formed in the middle of the clamping piece, the through hole is a clamping piece through hole, the clamping piece is provided with a plurality of conical rings which are spliced, the conical combined clamping piece is an engagement piece, a single-hole anchor or an anchor ring is arranged in front of the clamping piece, the single-hole anchor or the anchor ring is provided with a through hole penetrating through the front and the back of the single-hole anchor or the anchor ring, the through hole is a through hole of the single-hole anchor or the anchor ring, and a circular truncated cone-shaped groove matched with the outer surface of the engagement piece is arranged behind the single-hole anchor or the anchor ring; the method is characterized in that: the clamping piece is arranged in front of the through hole of the rear seat, and the front of the spring is propped against the back of the clamping piece.
2. The stopper for prestressed tension of a concrete member according to claim 1, wherein: the inside of the meshing piece is provided with a tooth-shaped structure for preventing the reinforcing steel bars from moving back and forth.
3. The stopper for prestressed tension of a concrete member according to claim 1 or 2, wherein: the rear end of the spring is connected with the rear seat.
4. The stopper for prestressed tension of a concrete member according to claim 1 or 2, wherein: the included angle between the outer side surface of the meshing piece and the central line of the clamping piece is 25-35 degrees.
5. The stopper for prestressed tension of a concrete member according to claim 1 or 2, wherein: the periphery of the back surface of the clamping piece is also provided with a hexagonal prism structure.
6. The stopper for prestressed tension of a concrete member according to claim 1 or 2, wherein: the single-hole anchor is provided with a plurality of side holes around the front surface.
7. The stopper for prestressed tension of a concrete member according to claim 5, wherein: the single-hole anchor is provided with a plurality of side holes around the front surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222025902.3U CN217812416U (en) | 2022-08-03 | 2022-08-03 | Limiter for prestressed tension of concrete member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222025902.3U CN217812416U (en) | 2022-08-03 | 2022-08-03 | Limiter for prestressed tension of concrete member |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217812416U true CN217812416U (en) | 2022-11-15 |
Family
ID=83972321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222025902.3U Expired - Fee Related CN217812416U (en) | 2022-08-03 | 2022-08-03 | Limiter for prestressed tension of concrete member |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217812416U (en) |
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2022
- 2022-08-03 CN CN202222025902.3U patent/CN217812416U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221115 |
|
CF01 | Termination of patent right due to non-payment of annual fee |