CN207140061U - A kind of tensioning mechanism of prestressed concrete member - Google Patents
A kind of tensioning mechanism of prestressed concrete member Download PDFInfo
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- CN207140061U CN207140061U CN201721160906.5U CN201721160906U CN207140061U CN 207140061 U CN207140061 U CN 207140061U CN 201721160906 U CN201721160906 U CN 201721160906U CN 207140061 U CN207140061 U CN 207140061U
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- stretch board
- face
- fixed plate
- tensioning
- prestressed concrete
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Abstract
The utility model provides a kind of tensioning mechanism of prestressed concrete member, the stretch board being axially movable including the fixed plate positioned at pipe die end and inside pipe die, stretch board is connected with tensioning screw mandrel, tensioning screw mandrel extends outwardly through the head plate of pipe die end, fixed plate and stretch board include some first through hole respectively, first through hole extends through fixed plate and stretch board, and it is distributed respectively along the end face of fixed plate and stretch board in uniform intervals, it is characterized in that fixed plate and stretch board respectively further comprise the bulge-structure for being suitable to abutting corresponding with the end face of tensioning nut, bulge-structure stretches out projection at least partially along the end face of fixed plate and stretch board, and correspond and set with first through hole, it is additionally provided with second through hole corresponding with first through hole；During connection installation, a connecting bolt sequentially passes through first through hole and the second through hole, is fixedly connected with tensioning nut.The technical scheme is intended to using its projective structure in prestressed concrete member forming process, and tensioning nut is lowered into prestressed concrete member not exposed.
Description
Technical field
It the utility model is related to a kind of tensioning mechanism of prestressed concrete member.
Background technology
At present, prestressed concrete member, such as pile tube, square pile, T-shaped stake etc. are important pile foundation materials, and it extensively should
For the foundation engineering of all kinds of buildings and construction, such as skyscraper, public building, general industry, civil buildings, port
The fields such as mouth, harbour, highway, bridge., it is necessary to by a critically important process when with concrete casting stake, that is, open
Draw process.
In tensioning, typically tension module one end is anchored using fixed plate, the other end utilizes stretch board tensioning displacement,
In displacement process, to remain that the movement locus of tension module is consistent, must not shift, otherwise will cause tension
Module tilt, namely rod iron or steel strand wires bending, cause tensioning unqualified or fail, influence pile tube quality.In addition, working as needs
When utilizing a secondary mould while manufacture more prestressed concrete pipe piles, also need to realize that steel reinforcement cage docks using attachment means,
Its attachment means refers to common stake connecting plate.
But often there is tensioning nut leakage in the prestressed concrete member formed in traditional tension technology scheme, leads
Causing prestressed concrete member, tensioning nut contacts with each other, and causes tensioning nut to be damaged in docking, or even to prestressed concrete
Native component end face causes damage.
Utility model content
In view of this, the utility model provides a kind of tensioning mechanism of prestressed concrete member, it is intended to utilizes its protrusion
In prestressed concrete member forming process, tensioning nut is lowered into prestressed concrete member not exposed structure.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of tensioning mechanism of prestressed concrete member, including fixed plate positioned at pipe die end and inside pipe die
The stretch board being axially movable, the stretch board are connected with tensioning screw mandrel, and the tensioning screw mandrel extends outwardly through pipe die end
Head plate, the fixed plate and the stretch board include some first through hole respectively, and the first through hole extends through described
Fixed plate and the stretch board, and respectively along the end face of the fixed plate and the stretch board in uniform intervals distribution, wherein institute
State fixed plate and the stretch board respectively further comprises the bulge-structure for being suitable to abutting corresponding with the end face of tensioning nut, the projection
Structure stretches out projection at least partially along the end face of the fixed plate and the stretch board, and with a pair of the first through hole 1
It should set, be additionally provided with second through hole corresponding with the first through hole；During connection installation, a connecting bolt sequentially passes through described
First through hole and second through hole, are fixedly connected with the tensioning nut.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the stretch board be with the pipe die
The veneer that chamber sealing is slidably connected, the seal sliding surface of the veneer are connected with sealing ring.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the stretch board includes phase from inside to outside
The stretch board one and stretch board two being mutually spaced, are connected with tensioning set between the stretch board one and the stretch board two, described
Arm-tie one is slidably connected with the pipe die bore seal.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the bulge-structure is directly overall respectively
It is formed on the end face of the fixed plate and the stretch board, its bottom face and the fixed plate and the end face phase of the stretch board
Connection, and stretch out to convex to form along the end face of the fixed plate and the stretch board and offseted with the end face of the tensioning nut
The top end face connect.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the bottom face difference of the bulge-structure
It is welded to connect with the end face of the fixed plate and the stretch board.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the bulge-structure respectively with it is described solid
Fixed board and the stretch board are integrally formed.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the bulge-structure is including bushing, it is described
Second through hole is set in bushing, sets in the first through hole and is inlayed with the bushing corresponding edge seat, the bushing correspondence
It is fixedly connected in the edge seat, and the bushing top end face stretches out protrude from the fixed plate and the tensioning respectively
Plate end face.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the bushing top end face is respectively along institute
State fixed plate and the stretch board end face horizontally outward extend to be formed one be suitable to respectively with the fixed plate and the stretch board
The abutting part that end face abuts against, the other end of the abutting part is corresponding with the end face of the tensioning nut to abut.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein bulge-structure distribution protrudes from institute
State fixed plate and the stretch board end face at least 1mm.
Preferably, the tensioning mechanism of above-mentioned prestressed concrete member, wherein the fixed plate and the tensioning plate shape
Shape is consistent, rounded or square or T-shaped, and the prestressed concrete member is pile for prestressed pipe or prestress square pile or prestressing force
T-shaped stake.
Compared with prior art, the utility model has the technical effect that：The technical scheme is in tensioning, first by fixed plate
Correspond to stretch board and be connected with the tensioning nut on steel reinforcement cage by connecting bolt, then pass through tensioning mechanism for implementing again
Draw, correspond the bulge-structure abutted with tensioning nut due to being set in fixed plate and stretch board, bulge-structure protrudes from
The horizontal end face of fixed plate and stretch board so that prestressed concrete member in forming process, the end face of tensioning nut with it is pre-
Certain intervals space between the end face of prestressed concrete molding component be present, that is, tensioning nut is lowered into prestressed concrete
It is not exposed in native component, and interstitial spaces are formed between the end face that the end face of tensioning nut and prestressed concrete member are molded
One groove, on the one hand, tensioning nut is sunk down into prestressed concrete member, can effectively avoid component nut in docking operation
Between contact, so as to prevent injury of the component to nut or component in docking operation or in work progress in itself, the opposing party
Face, the groove of formation can provide an accommodating cavity, and convenient storage is can be used for when component docks and accommodates the change such as epoxy resin
Agent is learned, plays preservative efficacy.
Brief description of the drawings
Fig. 1：The structural representation of the utility model embodiment 1；
Fig. 2：The structural representation of the utility model embodiment 2；
Fig. 3：The utility model tensioning plate structure schematic diagram；
Fig. 4：The utility model fixed plate structure schematic diagram；
Fig. 5：The utility model fixed plate structure assembling schematic diagram；
Fig. 6：The utility model connecting bolt and fixed plate and stretch board attachment structure schematic diagram；
Fig. 7：The utility model prestressed concrete member molding structure schematic diagram；
Fig. 8：Structural representation when the utility model prestressed concrete member docks.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasped.
" embodiment 1 "
As shown in Fig. 1~Fig. 8, a kind of tensioning mechanism of prestressed concrete member, including the fixation positioned at pipe die end
Plate 1 and the stretch board 2 being axially movable inside pipe die, stretch board 2 are connected with tensioning screw mandrel 3, and tensioning screw mandrel 3 stretches out
Head plate 4 through pipe die end, fixed plate 1 and stretch board 2 correspond to respectively includes some first through hole (10,20), and first is logical
Hole (10,20) corresponds to respectively run through fixed plate 1 and stretch board 2, and respectively along the end face of fixed plate 1 and stretch board 2 between uniform
Every distribution, wherein fixed plate 1 and stretch board 2 respectively further comprises the bulge-structure suitable for abutting corresponding with the end face of tensioning nut 5
7, bulge-structure 7 stretches out projection at least partially along the end face of fixed plate 1 and stretch board 3 respectively, and with first through hole (10,
20) correspond and set, further respectively have and the second corresponding through hole 70 of first through hole (10,20)；During connection installation, one connects
Connecting bolt sequentially passes through the first through hole (10,20) and the second through hole 70, is fixedly connected with tensioning nut 5.
Specifically, stretch board 2 is the veneer being slidably connected with pipe die bore seal in the present embodiment, and the sealing of veneer is slided
Face is connected with sealing ring.
Bulge-structure 7 is directly integrally formed on the end face of fixed plate 1 and stretch board 2 respectively, and its bottom face is respectively with consolidating
Fixed board 1 is connected with the end face of stretch board 2, and stretches out along the end face of fixed plate 1 and stretch board 2 convex to form with opening respectively
The top end face for drawing the end face of nut 5 to abut against.
Specifically, end face of the bottom face of bulge-structure 7 respectively with fixed plate 1 and stretch board 2 is welded to connect.Such as accompanying drawing 3
Shown, the bulge-structure 7 that fixed plate 1 is provided with is welded to connect with fixed plate end face.Certainly, bulge-structure 7 can also respectively with
Fixed plate 1 and stretch board 2 are integrally formed, and bulge-structure 7 is such as molded by the way of milling.
In addition, as shown in Figure 4 and Figure 5, bulge-structure 7 includes setting the second through hole 70, first through hole in bushing 8, bushing 8
The edge seat 9 corresponding with bushing 8 is set in (10,20) respectively, bushing 8 corresponding inlay are fixedly connected in edge seat 9, and bushing 8
Top end face stretches out respectively protrudes from fixed plate 1 and the end face of stretch board 2.
In addition, as shown in figure 5, bushing 8 top end face horizontally outward extends along the end face of fixed plate 1 and stretch board 2 respectively
Form an abutting part 80 for being suitable to abut against with fixed plate 1 and the end face of stretch board 2 respectively, the other end of abutting part 50 and tensioning
The end face of nut 5 is corresponding to abut.
Above-mentioned bulge-structure 7 protrudes from fixed plate 1 and the end face of stretch board 2 at least 1mm.
In addition, fixed plate 1 is consistent with the shape of stretch board 2, and rounded or square or T-shaped, the prestressed concrete member
For pile for prestressed pipe or prestress square pile or Prestressed T type stake.
" embodiment 2 "
As shown in Fig. 2 the present embodiment and the structure of above-described embodiment 1 and principle are substantially similar, its difference is：Stretch board 2
Include being connected between the spaced 2a of stretch board one and stretch board two 2b, the 2a of stretch board one and the 2b of stretch board two from inside to outside
Tensioning covers 2c, and the 2a of stretch board one is slidably connected with pipe die bore seal.
Corresponding pass through with the tensioning nut on steel reinforcement cage of fixed plate and stretch board is first connected by the technical scheme in tensioning
Bolt connection is fixed, then again by tensioning mechanism for implementing tensioning, due to setting and tensioning nut in fixed plate and stretch board
The bulge-structure abutted is corresponded, bulge-structure protrudes from the horizontal end face of fixed plate and stretch board so that prestressed concrete
Certain intervals be present between the end face of the end face of tensioning nut and prestressed concrete member shaping in forming process in native component
Space, that is, it is not exposed make it that tensioning nut is lowered into prestressed concrete member, and in the end face of tensioning nut with advance should
Interstitial spaces form a groove 9 between the end face of power concrete component formation, on the one hand, tensioning nut sinks down into prestressed concrete
In native component, can effectively avoid contact of the component in docking operation between nut, so as to prevent component in docking operation or
Injury in work progress to nut or component in itself, on the other hand, the groove 9 of formation can provide an accommodating cavity, in structure
Part can be used for convenient storage and accommodate the chemical agents such as epoxy resin when docking, play preservative efficacy.
Certainly, it the above is only concrete application example of the present utility model, the scope of protection of the utility model do not formed and appointed
What is limited.All technical schemes formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection model
Within enclosing.
Claims (10)
1. a kind of tensioning mechanism of prestressed concrete member, including fixed plate positioned at pipe die end and can inside pipe die
The stretch board of axial movement, the stretch board are connected with tensioning screw mandrel, and the tensioning screw mandrel extends outwardly through pipe die end
Head plate, the fixed plate and the stretch board include some first through hole respectively, and the first through hole extends through described solid
Fixed board and the stretch board, and be distributed respectively along the end face of the fixed plate and the stretch board in uniform intervals, its feature exists
In：The fixed plate and the stretch board respectively further comprise the bulge-structure suitable for abutting corresponding with the end face of tensioning nut, institute
Bulge-structure is stated at least partially along the end face of the fixed plate and the stretch board to stretch out projection, and with the first through hole
Correspond and set, be additionally provided with second through hole corresponding with the first through hole；During connection installation, a connecting bolt is worn successively
The first through hole and second through hole are crossed, is fixedly connected with the tensioning nut.
2. the tensioning mechanism of prestressed concrete member according to claim 1, it is characterised in that：The stretch board be with
The veneer that the pipe die bore seal is slidably connected, the seal sliding surface of the veneer are connected with sealing ring.
3. the tensioning mechanism of prestressed concrete member according to claim 1, it is characterised in that：The stretch board is by interior
Outwards include spaced stretch board one and stretch board two, tensioning is connected between the stretch board one and the stretch board two
Set, the stretch board one are slidably connected with the pipe die bore seal.
4. the tensioning mechanism of the prestressed concrete member according to claims 1 to 3 any one, it is characterised in that：Institute
State bulge-structure to be directly integrally formed in respectively on the end face of the fixed plate and the stretch board, its bottom face and the fixation
Plate is connected with the end face of the stretch board, and stretch out along the end face of the fixed plate and the stretch board convex to form with
The top end face that the end face of the tensioning nut abuts against.
5. the tensioning mechanism of prestressed concrete member according to claim 4, it is characterised in that：The bulge-structure
End face of the bottom face respectively with the fixed plate and the stretch board is welded to connect.
6. the tensioning mechanism of prestressed concrete member according to claim 4, it is characterised in that：The bulge-structure point
It is not integrally formed with the fixed plate and the stretch board.
7. the tensioning mechanism of the prestressed concrete member according to claims 1 to 3 any one, it is characterised in that：Institute
State bulge-structure include it is bushing, it is described it is bushing in set second through hole, set in the first through hole with it is described bushing corresponding
Edge seat, the bushing correspondence inlay is fixedly connected on it is described edge seat in, and the bushing top end face stretch out respectively it is prominent
For the fixed plate and the stretch board end face.
8. the tensioning mechanism of prestressed concrete member according to claim 7, it is characterised in that：The bushing top
Face horizontally outward extend along the end face of the fixed plate and the stretch board respectively to be formed one be suitable to respectively with the fixed plate and
The abutting part that the stretch board end face abuts against, the other end of the abutting part is corresponding with the end face of the tensioning nut to be supported
Connect.
9. the tensioning mechanism of prestressed concrete member according to claim 1, it is characterised in that：The bulge-structure point
Cloth protrudes from the fixed plate and the stretch board end face at least 1mm.
10. the tensioning mechanism of prestressed concrete member according to claim 1, it is characterised in that：The fixed plate and
The tensioning plate shape is consistent, rounded or square or T-shaped, and the prestressed concrete member is pile for prestressed pipe or prestressing force
Square pile or Prestressed T type stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160906.5U CN207140061U (en) | 2017-09-12 | 2017-09-12 | A kind of tensioning mechanism of prestressed concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160906.5U CN207140061U (en) | 2017-09-12 | 2017-09-12 | A kind of tensioning mechanism of prestressed concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140061U true CN207140061U (en) | 2018-03-27 |
Family
ID=61678687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721160906.5U Active CN207140061U (en) | 2017-09-12 | 2017-09-12 | A kind of tensioning mechanism of prestressed concrete member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207140061U (en) |
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2017
- 2017-09-12 CN CN201721160906.5U patent/CN207140061U/en active Active
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