CN105863274A - Automatic locking device special for prestressed material stretching extension - Google Patents
Automatic locking device special for prestressed material stretching extension Download PDFInfo
- Publication number
- CN105863274A CN105863274A CN201610397183.4A CN201610397183A CN105863274A CN 105863274 A CN105863274 A CN 105863274A CN 201610397183 A CN201610397183 A CN 201610397183A CN 105863274 A CN105863274 A CN 105863274A
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- Prior art keywords
- inclined plane
- block
- hole
- support shell
- fixed block
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Wire Processing (AREA)
Abstract
The invention provides an automatic locking device special for prestressed material stretching extension. The automatic locking device comprises a support shell, a fixed block is arranged on one side inside the support shell, one side of the fixed block is fixedly connected with the support shell, the other side of the fixed block is provided with at least one inclined face A inclining downwards, each inclined face A is provided with a moving block, the face, making contact with the fixed block, of each moving block serves as an inclined face B, and each inclined face B is parallel to the corresponding inclined face A; the number of connecting pull rods is the same as that of the inclined faces A, and each connecting pull rod is provided with a stop block. The automatic locking device special for prestressed material stretching extension is novel in structure, reasonable in design and capable of being used for locking of a single prestressed material or multiple prestressed materials which are subjected to stress separately or simultaneously, the prestressed materials slide downwards by means of automatic edges of the moving blocks and tangent faces of the fixed block, locking and stress exerting are conducted at any moment, stress resilience is prevented, and the accuracy and stability of a stretching force value are guaranteed.
Description
Technical field
The invention belongs to prestressed material tension technology field, especially relates to one and is exclusively used in pre-answering
The automatic locking apparatus of dead-wood material stretching extension.
Background technology
Prestressed stretch-draw adds pulling force exactly in component in advance so that is applied in prestressed stretch-draw component and holds
Tension stress, and then make it produce certain deformation, tackle the load that structure itself is suffered, pass
The prestressed stretch-draw elongation device of system mostly uses and mechanically or electrically moves, and the most manually locks prestressing force material
The stretching force of material, process is relatively complicated, and it cannot be guaranteed that stretch-draw force value accurately with stable.
Summary of the invention
In view of this, the invention is directed to a kind of be exclusively used in the automatic of prestressed material stretching extension
Locking device, relatively complicated to solve traditional pre-stress stretching device locking process, and it cannot be guaranteed that open
Accurate and the stable problem of value of thrust.
For reaching above-mentioned purpose, the technical scheme of the invention is achieved in that
A kind of automatic locking apparatus being exclusively used in prestressed material stretching extension, including supporting shell, described
Support shell interior side is provided with fixed block, and described fixed block side is fixing with described support shell to be connected, described
Fixed block opposite side staged from top to bottom is distributed at least one downward-sloping inclined plane A, Mei Geqing
Being each provided with a movable block on inclined-plane A, the face that described movable block contacts with fixed block is inclined plane B,
Described inclined plane B is parallel to each other with described inclined plane A；Side relative with inclined plane B on described movable block
It is provided with the bar hole of through described movable block on face, described fixed block is provided with and described bar hole phase
Corresponding through hole, is provided with relative with described bar hole and through hole on two sides before and after described support shell
The installing hole answered；The quantity of cylinder lever connecting rod is identical with the quantity of described inclined plane A, described cylinder lever connecting rod one
After end sequentially passes through the installing hole supporting the installing hole of shell side, bar hole, through hole and support shell opposite side
Stretch out outside described support shell, described cylinder lever connecting rod is provided with block.
Further, inclined plane A of described fixed block and the angle of horizontal plane are 50-80 degree, described shifting
Inclined plane B of motion block and the angle of horizontal plane are 50-80 degree.
Further, described inclined plane A and inclined plane B all use embossing or indentation technique to form matsurface.
Further, the size being smaller in size than described installing hole of described block, and more than described bar hole
Size.
Further, relative with inclined plane B on described movable block side is provided with and described bar hole
The groove being connected, the size of described groove adapts with the size of described block.
Further, described fixed block is fixed on inside support shell in the way of bolt or welding.
Further, the two sides of described movable block are provided with the bar shaped paralleled with described inclined plane B
Groove, described support shell is provided with the steady pin corresponding with described bar-shaped trough.
Further, described movable block upper end is provided with pull bar.
Relative to prior art, described in the invention, it is exclusively used in the automatic of prestressed material stretching extension
Locking device has the advantage that novel structure, reasonable in design, can be used for single or many prestressing force material
Material separately or concurrently applies the locking of stress, utilize movable block automatically along the tangent plane with fixed block to downslide
Dynamic, locking at any time applies stress, prevents stress resilience, and ensure that the accurate and stable of stretch-draw force value.
Accompanying drawing explanation
The accompanying drawing of the part constituting the invention is used for providing being further appreciated by the invention,
The schematic description and description of the invention is used for explaining the invention, is not intended that this
The improper restriction of bright creation.In the accompanying drawings:
Fig. 1 is the structural representation of the invention embodiment one；
Fig. 2 is the fixed block front view of the invention embodiment one；
Fig. 3 is the fixed block side view of the invention embodiment one；
Fig. 4 is the structural representation of the invention embodiment two；
Fig. 5 is the fixed block front view of the invention embodiment two；
Fig. 6 is the fixed block side view of the invention embodiment two；
Fig. 7 is the front view of the invention movable block；
Fig. 8 is the side view of the invention movable block.
Description of reference numerals:
1-supports shell；2-fixed block；201-through hole；202-inclined plane A；3-movable block；301-bar shaped
Hole；302-groove；303 bar-shaped troughs；304-inclined plane B；4-cylinder lever connecting rod；5-block；6-template；
7-prestressed material.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in the invention and embodiment
Feature can be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description the invention and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that restriction to the invention.Additionally, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, the feature defining " first ", " second " etc. can be expressed
Or implicitly include one or more this feature.In the description of the invention, unless otherwise
Illustrating, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in innovation and creation.
Describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment one
As shown in Fig. 1-3 and Fig. 7-8, a kind of be exclusively used in prestressed material stretching extension automatically lock dress
Putting, including supporting shell 1, described support shell 1 is fixed in the template 6 of concrete product, described support
The internal side near template 6 of shell 1 is provided with fixed block 2, and described fixed block 2 side is with bolt or weldering
It is internal that the mode connect is fixed on support shell 1, described fixed block 2 opposite side be provided with one downward-sloping
Inclined plane A202, described inclined plane A202 is provided with a movable block 3, and described movable block 3 is with solid
Determining the face that block 2 contacts is inclined plane B304, and described inclined plane B304 is mutual with described inclined plane A202
Parallel, further, inclined plane A202 of described fixed block 2 and the angle of horizontal plane are 50-80 degree,
Inclined plane B304 of described movable block 3 and the angle of horizontal plane are 50-80 degree, it is ensured that fixed block 2 He
Movable block 3 inclined plane closely connected, described inclined plane A202 and inclined plane B304 all use embossing or indentation
Technique forms matsurface, prevents stress retrolisthesis；
Through described movement it is provided with on side relative with described inclined plane B304 on described movable block 3
The bar hole 301 of block 3, side relative with inclined plane B304 on described movable block 3 is provided with and institute
State the groove that bar hole 301 is connected, described fixed block 2 is provided with relative with described bar hole 301
The through hole 201 answered, be provided with on two sides before and after described support shell 1 with described bar hole 301 and
The installing hole that through hole 201 is corresponding；
Cylinder lever connecting rod 4 one end sequentially passes through the support installing hole of shell 1 side, bar hole 301, through hole 201
With support shell 1 opposite side installing hole after stretch out outside described support shell 1, on described cylinder lever connecting rod 4 arrange
There are block 5, the size being smaller in size than described installing hole of described block 5, and are more than described bar hole 301
Size, the size of described groove 302 adapts with the size of described block 5, and described block 5 can be worn
Cross the installing hole of described support shell 1 side and be stuck in described groove 302；
Further, the two sides of described movable block 3 are provided with parallel with described inclined plane B304
Bar-shaped trough 303, described support shell 1 is provided with the steady pin corresponding with described bar-shaped trough 303,
To ensure that movable block 3 is along inclined plane parallel sliding；
Further, described movable block 3 upper end is provided with pull bar, movable block of conveniently taking；
Embodiment two
As Figure 4-8, a kind of automatic locking apparatus being exclusively used in prestressed material stretching extension, including
Supporting shell 1, described support shell 1 interior side is provided with fixed block 2, and described support shell 1 is fixed on mixed
In the template 6 of solidifying soil goods, described fixed block 2 near the side of template 6 in the way of bolt or welding
Being fixed on support shell 1 internal, described fixed block 2 opposite side staged from top to bottom is distributed two downwards
Inclined plane A202 tilted, each inclined plane A202 is each provided with a movable block 3, described movement
The face that block 3 contacts with fixed block 2 is inclined plane B304, described inclined plane B304 and described inclined plane
A202 is parallel to each other, and further, inclined plane A202 of described fixed block 2 with the angle of horizontal plane is
50-80 degree, inclined plane B304 of described movable block 3 and the angle of horizontal plane are 50-80 degree, it is ensured that Gu
Determining the closely connected of block 2 and movable block 3 inclined plane, described inclined plane A202 and inclined plane B304 all use pressure
Flower or indentation technique form matsurface, prevent stress retrolisthesis；
Through described movable block 3 it is provided with on side relative with inclined plane B304 on described movable block 3
Bar hole 301, side relative with inclined plane B304 on described movable block 3 is provided with and described bar
The groove that shape hole 301 is connected, described fixed block 2 is provided with corresponding with described bar hole 301
Through hole 201, before and after described support shell 1, two sides are provided with and described bar hole 301 and through hole 201
Corresponding installing hole；
The quantity of cylinder lever connecting rod is two, and described cylinder lever connecting rod 4 one end sequentially passes through and supports shell 1 side
Described support is stretched out after the installing hole of installing hole, bar hole 301, through hole 201 and support shell 1 opposite side
Outside shell 1, described cylinder lever connecting rod 4 is provided with block 5, described block 5 be smaller in size than described installation
The size in hole, and more than the size of described bar hole 301, the size of described groove 302 and described block
The size of 5 adapts, and described block 5 may pass through the installing hole of described support shell 1 side and is stuck in described
In groove 302；
Further, the two sides of described movable block 3 are provided with parallel with described inclined plane B304
Bar-shaped trough 303, described support shell 1 is provided with the steady pin corresponding with described bar-shaped trough 303,
To ensure that movable block 3 is along inclined plane parallel sliding；
The course of work of the invention: during use, first sequentially passes through support shell 1 by cylinder lever connecting rod 4
The installing hole of side, the bar hole 301 of movable block 3, the through hole 201 of fixed block 2, support shell 1 are another
It is connected with prestressed material 7 after the installing hole of side and template 6, promotes the pull bar on movable block 3 and make even
Connect the block 5 on pull bar 4 and stretch into the groove 302 of movable block 3, it is ensured that cylinder lever connecting rod 4 and prestressing force material
The connection of material 7 and when rotating with one heart and position accurately, when by cylinder lever connecting rod 4 to prestressed material 7
When applying stress stretching, the block 5 on cylinder lever connecting rod 4 can gradually be stretched from the groove 302 of movable block 3
Going out, prestressed material 7 continues elongation, and movable block 3 starts slide downward, owing to supporting on shell 1
Under the control of the bar-shaped trough 303 on alignment pin and movable block 3, movable block 3 all the time with block 5 and fixing
The tangent plane of block 2 keeps closely connected, when stopping stretch-draw after stretch-draw to controlling value and loosen tension stress, this
Time cylinder lever connecting rod 4 on stress be locked on support shell 1 by block 5, movable block 3, fixed block 2,
Complete the stretch-draw of prestressed material.
The foregoing is only the preferred embodiment of the invention, not in order to limit present invention wound
Make, within all spirit in the invention and principle, any modification, equivalent substitution and improvement made
Deng, within should be included in the protection domain of the invention.
Claims (8)
1. the automatic locking apparatus being exclusively used in prestressed material stretching extension, it is characterised in that: bag
Including support shell (1), described support shell (1) interior side is provided with fixed block (2), described fixing
Block (2) side and described support shell (1) are fixing to be connected, described fixed block (2) opposite side to
Downstairs formula is distributed at least one downward-sloping inclined plane A (202), each inclined plane A (202)
On be each provided with a movable block (3), the face that described movable block (3) contacts with fixed block (2)
For inclined plane B (304), described inclined plane B (304) is parallel to each other with described inclined plane A (202)；
Described movable block (3) is provided with through described shifting on the upper side relative with inclined plane B (304)
The bar hole (301) of motion block (3), described fixed block (2) is provided with and described bar hole (301)
Corresponding through hole (201), is provided with on two sides before and after described support shell (1) and described (301)
The installing hole that through hole A and through hole B (201) is corresponding；
The quantity of cylinder lever connecting rod (4) is identical with the quantity of described inclined plane A (202), and described connection is drawn
Bar (4) one end sequentially passes through the support installing hole of shell (1) side, bar hole (301), through hole (201)
Described support shell (1) is stretched out outward, described cylinder lever connecting rod (4) with after the installing hole of support shell (1) opposite side
On be provided with block (5).
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: inclined plane A (202) of described fixed block (2) and the angle of horizontal plane are 50-80
Degree, inclined plane B (304) of described movable block (3) and the angle of horizontal plane are 50-80 degree.
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: described inclined plane A (202) and inclined plane B (304) all use embossing or indentation work
Skill forms matsurface.
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: the size being smaller in size than described installing hole of described block (5), and more than described bar
The size in shape hole (301).
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 4,
It is characterized in that: be provided with on the upper side the most relative with inclined plane B (304) of described movable block (3) and
The groove that described bar hole (301) is connected, the size of described groove (302) and described block (5)
Size adapt.
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: it is internal that described fixed block (2) is fixed on support shell (1) in the way of bolt or welding.
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: be provided with on the two sides of described movable block (3) and described inclined plane B (304) phase
Parallel bar-shaped trough (303), described support shell (1) is provided with and described bar-shaped trough (303) phase
Corresponding steady pin.
The automatic locking apparatus being exclusively used in prestressed material stretching extension the most according to claim 1,
It is characterized in that: described movable block (3) upper end is provided with pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397183.4A CN105863274B (en) | 2016-06-03 | 2016-06-03 | Automatic locking device special for stretching and stretching of prestressed material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397183.4A CN105863274B (en) | 2016-06-03 | 2016-06-03 | Automatic locking device special for stretching and stretching of prestressed material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863274A true CN105863274A (en) | 2016-08-17 |
| CN105863274B CN105863274B (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610397183.4A Active CN105863274B (en) | 2016-06-03 | 2016-06-03 | Automatic locking device special for stretching and stretching of prestressed material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476124A (en) * | 2016-10-11 | 2017-03-08 | 中铁二十三局集团轨道交通工程有限公司 | A kind of dual-direction pre-tensioning system prestressed concrete track slab mould |
| CN113084998A (en) * | 2021-04-12 | 2021-07-09 | 中建三局集团有限公司 | Pre-tensioning method prestressed reinforcement tension-reducing member |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476124A (en) * | 2016-10-11 | 2017-03-08 | 中铁二十三局集团轨道交通工程有限公司 | A kind of dual-direction pre-tensioning system prestressed concrete track slab mould |
| CN106476124B (en) * | 2016-10-11 | 2019-01-25 | 山东高速轨道设备材料有限公司 | A kind of dual-direction pre-tensioning system prestressed concrete track slab mold |
| CN113084998A (en) * | 2021-04-12 | 2021-07-09 | 中建三局集团有限公司 | Pre-tensioning method prestressed reinforcement tension-reducing member |
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| Publication number | Publication date |
|---|---|
| CN105863274B (en) | 2023-09-08 |
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