CN207999084U - A kind of spiral expanding stretcher - Google Patents
A kind of spiral expanding stretcher Download PDFInfo
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- CN207999084U CN207999084U CN201721700562.2U CN201721700562U CN207999084U CN 207999084 U CN207999084 U CN 207999084U CN 201721700562 U CN201721700562 U CN 201721700562U CN 207999084 U CN207999084 U CN 207999084U
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- cylinder
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- pedestal
- retracting
- core cylinder
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Abstract
The utility model, which relates to, provides a kind of spiral expanding stretcher, including hat shape fixture, retracting cylinder, rotating cylinder, shaft core cylinder, fastening nut and pedestal, shaft core cylinder is hollow, it may pass through steel wire rope etc., it is mounted and fixed on pedestal, retracting cylinder is sleeved on shaft core cylinder, and rotating cylinder band turns round ear, be sleeved on retracting cylinder, lead to torsion rotating cylinder can drive retracting cylinder around shaft core cylinder rotate realize retracting cylinder with respect to shaft core cylinder stretch;Fastening nut on retracting cylinder can limit the retracting motion of retracting cylinder;Hat shape fixture is sleeved on the exposed end of retracting cylinder, is in rounded cap shape, has fixture, fixture to be made of two panels fixture block in cap top design, is realized to clamping object clamping with nut compressing fixture block by the screw rod across fixture block.The stretcher is simple in structure, reliable and stable, and critical piece can be fabricated to approved product, can assemble, dismountable, is convenient to mount and dismount, reusable after dismounting.
Description
Technical field
The utility model belongs to C-channel embedded part technical field of construction, and in particular to arrives a kind of spiral expanding stretcher.
Background technology
C-channel stripe shape embedded part is installed mostly to carry out before shear force wall reinforcing steel bar has bound installation form on concrete shear force wall,
Pre-buried C-channel answers accurate positioning, horizontal or vertical degree to meet code requirement after concreting is complete.C-channel it is pre-buried positioning with
Fixed conventional way is welding positioning supporting rib or iron wire banding fixed on shear force wall reinforcing steel bar, both wastes material, installs
Precision and installation quality are also not easy to ensure.When anchor block is arranged in the notch in C-channel embedded part, by steel wire rope by C-channel pressure
It is tightly attached in template, can both save a large amount of supporting rib materials, ensure that concrete embedded C-channel accurate positioning, embedded part
It is concordant with concrete surface, ensure C-channel installation accuracy and quality.In consideration of it, there is an urgent need for a kind of steel wires for meeting construction and needing at present
Tension tool.
Utility model content
In view of the problems of the existing technology, the utility model is the technology for solving problems of the prior art and using
Scheme is as follows:
A kind of spiral expanding stretcher includes hat shape fixture, telescopic device and pedestal, it is characterised in that:The hat shape fixture
Including mutually matched chuck body and movable clip block, the chuck body includes cylindrical cap and is connected to one side of cap
Fixing clip, cap offers cylinder shape groove on the inside of another side, is equipped with for clamping between fixing clip and movable clip block
The groove that object passes through, by nut screw rod adjusting elasticity between two fixture blocks, the telescopic device include mutually matched rotating cylinder,
Retracting cylinder and shaft core cylinder, described shaft core cylinder one end are connected and fixed with pedestal, and one end is inserted into rotating cylinder, shaft core cylinder and pedestal and rotation
Axial position is fixed between rotating cylinder, and retracting cylinder is set on shaft core cylinder and is connected through a screw thread between shaft core cylinder, and stretch drum outer wall
It is connect by axially disposed groove and male cooperation between rotating cylinder inner wall, in the cylinder shape groove of the cap side
Diameter matches with retracting cylinder outer diameter so that shape for hat fixture is fixed on retracting cylinder outer end, the pedestal and rotating device contact jaw
Middle part offers the circular hole with shaft core cylinder matching ends, and pedestal is fixed by puller bolt and respective fixture, the pedestal,
Be equipped in the middle part of shaft core cylinder and cap axially through the hole body passed through for clamping object.
Standing screw there are two being symmetrical arranged on the inside of the fixing clip, screw rod direction is perpendicular to clamping direction, the work
The groove passed through for screw rod is offered with fixing clip split side on dynamic fixture block, will be passed through after fixing clip and movable clip block split
The nut of two screw rods end is adjusted, realizes clamping and release of two fixture blocks to intermediate clamping object.
The shaft core cylinder is hollow tubular, is mounted on the base by taenidium, the length and shaft core cylinder of this section of taenidium
Fitting depth on pedestal matches;Shaft core cylinder is being equipped with annular boss close to base end, has between boss and pedestal and revolves
The adaptable spacing of rotating cylinder block end snap ring, to block rotating cylinder around shaft core cylinder rotation, this section of shaft core drum outer wall without taenidium,
Rotating cylinder is facilitated to rotate;The drum outer wall overall length of the boss other end is equipped with taenidium, and retracting cylinder is sleeved on the shaft core cylinder of taenidium,
It can be rotated around shaft core cylinder and realize stretching motion;
The retracting cylinder is hollow tubular, and cylinder inner wall overall length is equipped in the matched taenidium of shaft core drum outer wall;It is flexible
Drum outer wall is equipped with and is parallel to axial symmetrical grooves, and groove matches with rotating cylinder inner wall protrusion;Retracting cylinder is sleeved on shaft core cylinder,
It is rotated around shaft core cylinder and realizes stretching motion;
Fastening nut is installed, nut matches with retracting cylinder outer diameter, prevents stretcher tensioning on the flexible drum outer wall
Retracting cylinder automatic retracted when stress;
The rotating cylinder is hollow tubular, is sleeved on retracting cylinder;Rotating cylinder inner wall is parallel to the strip projected parts of an axis,
Protrusion matches with retracting cylinder unit with grooves in outer wall, and protrusion is caught in groove and can slide along the groove, and rotating cylinder can drive retracting cylinder around shaft core
Cylinder movement;It rotates drum outer wall and is equipped with symmetrical torsion ear, rotating cylinder is block end, block end internal diameter and shaft core cylinder outer diameter close to base end
Rotating cylinder is stuck on pedestal by shaft core cylinder annular boss and is rotated around shaft core cylinder by adaptation, and retracting cylinder is driven to realize flexible fortune
It is dynamic;
The pedestal chassis is " U "-shaped, circular hole hole depth, aperture and the shaft core opened up in the middle part of pedestal and rotating device contact jaw
Cylinder matches, and hole depth should meet shaft core cylinder and connect needs with pedestal, and the ends U shape two sides are equipped with puller bolt 7, by holding out against spiral shell
Pedestal and fixture are fixed temporarily by bolt.
The utility model has the following advantages that:
(1) spiral expanding stretcher by hat shape fixture, shaft core cylinder, retracting cylinder, fastening nut, rotating cylinder, pedestal and is held out against
Bolt forms, simple in structure, and each component part is composable, removes, and is convenient to mount and dismount;
(2) shaft core cylinder is hollow, has with pedestal connecting place and matches hole with shaft core cylinder, may pass through clamping object;
(3) rotating cylinder drives retracting cylinder to make surround movement around shaft core cylinder, and surround movement is converted to stretching motion;
(4) hat shape fixture is used cooperatively with telescopic device, effectively tensioning object can be clamped, reliable and stable;
(5) fastening nut is housed, retracting cylinder automatic retracted when can prevent stretcher tensioning stress on retracting cylinder;
(6) pedestal may be designed to different structure type as needed.
(7) each component and associated materials are disposably put into, reusable
Description of the drawings
Fig. 1 is spiral expanding stretcher structural schematic diagram;
Fig. 2 is spiral expanding stretcher structure cut-away view;
Fig. 3-6 is hat shape clamp structure schematic diagram;
Fig. 7 is shaft core cylinder, retracting cylinder, rotating cylinder structural schematic diagram;
Fig. 8 is pedestal and puller bolt structural schematic diagram;
Wherein:1- hat shape fixtures, 1.1- chuck bodies, 1.2- movable clip blocks, 1.3- nuts, 1.4- screw rods, 2- shaft cores
Cylinder, 3- retracting cylinders, 4- fastening nuts, 5- rotating cylinders, 6- pedestals, 7- puller bolts.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described, such as
Shown in Fig. 1-8, a kind of spiral expanding stretcher is by hat shape fixture 1, shaft core cylinder 2, retracting cylinder 3, fastening nut 4, rotating cylinder 5, bottom
Seat 6 and puller bolt 7 form, and each composition part-structure feature is as follows:
Hat shape fixture 1:Hat shape fixture is in rounded cap shape, has fixture in cap top design;Cap internal diameter is flexible with stretcher
Cylinder outer diameter matches, and cap is open-top, and have can be by being clamped the circular hole of object;Fixture is made of two panels fixture block, a piece of to be linked to be one with cap
Body is fixing end chuck body 1.1, and there are two standing screws 1.4 thereon;Another fixture block is movable end movable clip block 1.2, is opened
It is in " M " shape to have card slot corresponding with screw rod, movable clip block 1.2;It is equipped with the groove for placing clamping object in the middle part of two fixture blocks, facilitates clamping
Object positions and protection clamping object is indeformable after clamping;Two fixture blocks are compressed by nut 1.3, realize the folder to object is clamped
It holds;
Shaft core cylinder 2:Shaft core cylinder is hollow, in a tubular form, is mounted on the base by taenidium, the length and shaft core cylinder of taenidium
Fitting depth on pedestal matches;Shaft core cylinder is having annular boss close to base end, has between boss and pedestal and rotates
Cylinder block end snap ring is adapted spacing, can block rotating cylinder and be rotated around shaft core cylinder, this section of shaft core drum outer wall is without taenidium, side
Just rotating cylinder rotates;The drum outer wall overall length of the boss other end has taenidium, retracting cylinder to be sleeved on the shaft core cylinder of taenidium, can be around
Stretching motion is realized in shaft core cylinder rotation;
Retracting cylinder 3:Retracting cylinder 3 is hollow, and in a tubular form, the inside and outside wall overall length of cylinder has taenidium;Flexible drum outer wall is equipped with parallel
In the symmetrical grooves of axis, groove matches with rotating cylinder inner wall protrusion;Retracting cylinder is sleeved on shaft core cylinder, is rotated around shaft core cylinder real
Existing stretching motion;
Fastening nut 4:On retracting cylinder, nut matches fastening nut with retracting cylinder, outside fastening nut and retracting cylinder
Wall friction power is larger, is not easy to slide along retracting cylinder, retracting cylinder automatic retracted when can prevent stretcher tensioning stress;
Rotating cylinder 5:Rotating cylinder is hollow, and tubulose is sleeved on retracting cylinder;The strip that rotating cylinder inner wall is parallel to an axis is convex
It rises, protrusion matches with retracting cylinder unit with grooves in outer wall, and protrusion is caught in groove and can slide along the groove, and rotation rotating cylinder 5 can drive flexible
Cylinder 3 is moved around shaft core cylinder 2;It rotates drum outer wall and is equipped with symmetrical torsion ear;Rotating cylinder is block end close to 6 end of pedestal, and block end has small
In the snap ring of rotating cylinder internal diameter, rotating cylinder is stuck on pedestal by shaft core cylinder annular boss and is rotated around shaft core cylinder, drive is stretched
Contracting cylinder realizes stretching motion;
Pedestal 6:Pedestal chassis is " U "-shaped, and shaft core cylinder circular hole can be installed by being provided with, and hole depth matches with aperture and shaft core cylinder,
Hole depth should meet shaft core cylinder and connect needs with pedestal;Pedestal is provided with identical as shaft core cylinder internal diameter through circle with the connected position of shaft core cylinder
Hole;" u "-shaped two sides are equipped with puller bolt 7, and base shape can be according to requiring to be designed to other shapes.
Puller bolt 7:Puller bolt is included torsion ear snail bolt, and bolt screw rod end is no silk conical round table, can be consolidated temporarily
It is scheduled in respective objects.
Clamping object is fixed close to base end in the present apparatus, after clamping object passes through the present apparatus, is pressed from both sides using hat shape fixture clamping object
Tightly, the torsion ear then rotated on rotating cylinder drives retracting cylinder to be displaced outwardly along rotating cylinder, is driven under the left and right of fixture chucking power
Object is clamped to tense.
Without a consumables, each building block is repeatable to be used in turn the utility model.
The scope of protection of the utility model is not limited to the above embodiments, it is clear that those skilled in the art can be right
The utility model carries out various changes and deformation without departing from the scope of the utility model and spirit.If these changes and deformation
Belong in the range of the claims of the present invention and its equivalent technology, then the intention of the utility model also include these change and
Including deformation.
Claims (7)
1. a kind of spiral expanding stretcher, including hat shape fixture, telescopic device and pedestal, it is characterised in that:The hat shape fixture
Including mutually matched chuck body and movable clip block, the chuck body includes cylindrical cap and is connected to one side of cap
Fixing clip, cap offers cylinder shape groove on the inside of another side, is equipped with for clamping between fixing clip and movable clip block
The groove that object passes through, by nut screw rod adjusting elasticity between two fixture blocks, the telescopic device include mutually matched rotating cylinder,
Retracting cylinder and shaft core cylinder, described shaft core cylinder one end are connected and fixed with pedestal, and one end is inserted into rotating cylinder, shaft core cylinder and pedestal and rotation
Axial position is fixed between rotating cylinder, and retracting cylinder is set on shaft core cylinder and is connected through a screw thread between shaft core cylinder, and stretch drum outer wall
It is connect by axially disposed groove and male cooperation between rotating cylinder inner wall, in the cylinder shape groove of the cap side
Diameter matches with retracting cylinder outer diameter so that shape for hat fixture is fixed on retracting cylinder outer end, the pedestal and rotating device contact jaw
Middle part offers the circular hole with shaft core cylinder matching ends, and pedestal is fixed by puller bolt and respective fixture, the pedestal,
Be equipped in the middle part of shaft core cylinder and cap axially through the hole body passed through for clamping object.
2. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:It is symmetrical arranged on the inside of the fixing clip
There are two standing screw, screw rod direction offers confession on clamping direction, the movable clip block with fixing clip split side
The groove that screw rod passes through, by adjusting the nut of two screw rods end, will realize two fixture blocks after fixing clip and movable clip block split
Clamping and release to intermediate clamping object.
3. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:The shaft core cylinder is hollow tubular, is led to
It crosses taenidium to be mounted on the base, length and fitting depth of the shaft core cylinder on pedestal of taenidium match;Shaft core cylinder by
Nearly base end is equipped with annular boss, there is the spacing being adapted with rotating cylinder block end snap ring between boss and pedestal, to block rotation
Rotating cylinder is rotated around shaft core cylinder, this section of shaft core drum outer wall facilitates rotating cylinder to rotate without taenidium;The drum outer wall of the boss other end is complete
Long to be equipped with taenidium, retracting cylinder is sleeved on the shaft core cylinder of taenidium, can be rotated around shaft core cylinder and be realized stretching motion.
4. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:The retracting cylinder is hollow tubular, cylinder
Inner wall overall length is equipped in the matched taenidium of shaft core drum outer wall;Flexible drum outer wall, which is equipped with, is parallel to axial symmetrical grooves,
Groove matches with rotating cylinder inner wall protrusion;Retracting cylinder is sleeved on shaft core cylinder, is rotated around shaft core cylinder and is realized stretching motion.
5. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:It is equipped on the flexible drum outer wall tight
Gu nut, nut matches with retracting cylinder outer diameter, retracting cylinder automatic retracted when preventing stretcher tensioning stress.
6. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:The rotating cylinder is hollow tubular, set
On retracting cylinder;Rotating cylinder inner wall is parallel to the strip projected parts of an axis, and protrusion matches with retracting cylinder unit with grooves in outer wall, protrusion
Being caught in groove can slide along the groove, and rotating cylinder can drive retracting cylinder to be moved around shaft core cylinder;It rotates drum outer wall and is equipped with symmetrical torsion ear, rotation
Rotating cylinder is block end close to base end, and block end internal diameter is adapted to shaft core cylinder outer diameter, by shaft core cylinder annular boss by rotating cylinder
It is stuck on pedestal and is rotated around shaft core cylinder, retracting cylinder is driven to realize stretching motion.
7. a kind of spiral expanding stretcher as described in claim 1, it is characterised in that:The pedestal chassis is " U "-shaped, pedestal
Match with circular hole hole depth, aperture and the shaft core cylinder opened up in the middle part of rotating device contact jaw, hole depth should meet shaft core cylinder and pedestal
Connection needs, and the ends U shape two sides are equipped with puller bolt 7, are fixed temporarily pedestal and fixture by puller bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700562.2U CN207999084U (en) | 2017-12-08 | 2017-12-08 | A kind of spiral expanding stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700562.2U CN207999084U (en) | 2017-12-08 | 2017-12-08 | A kind of spiral expanding stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999084U true CN207999084U (en) | 2018-10-23 |
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ID=63835572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721700562.2U Active CN207999084U (en) | 2017-12-08 | 2017-12-08 | A kind of spiral expanding stretcher |
Country Status (1)
| Country | Link |
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| CN (1) | CN207999084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972482A (en) * | 2019-04-12 | 2019-07-05 | 中国葛洲坝集团第一工程有限公司 | Highway paving machine attachment device and its application method |
| CN112324151A (en) * | 2020-10-28 | 2021-02-05 | 中国一冶集团有限公司 | Embedded embedded sleeve mounting device and embedded sleeve mounting method |
| CN113622572A (en) * | 2021-08-19 | 2021-11-09 | 广东省第四建筑工程有限公司 | Hollow floor slab filling box fixing construction method |
-
2017
- 2017-12-08 CN CN201721700562.2U patent/CN207999084U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972482A (en) * | 2019-04-12 | 2019-07-05 | 中国葛洲坝集团第一工程有限公司 | Highway paving machine attachment device and its application method |
| CN109972482B (en) * | 2019-04-12 | 2024-03-12 | 中国葛洲坝集团第一工程有限公司 | Highway paver connection apparatus and method of using the same |
| CN112324151A (en) * | 2020-10-28 | 2021-02-05 | 中国一冶集团有限公司 | Embedded embedded sleeve mounting device and embedded sleeve mounting method |
| CN113622572A (en) * | 2021-08-19 | 2021-11-09 | 广东省第四建筑工程有限公司 | Hollow floor slab filling box fixing construction method |
| CN113622572B (en) * | 2021-08-19 | 2022-08-05 | 广东省第四建筑工程有限公司 | Fixing construction method for hollow floor slab filling box |
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