CN214737422U - Steel strand secondary tensioning tool - Google Patents
Steel strand secondary tensioning tool Download PDFInfo
- Publication number
- CN214737422U CN214737422U CN202120270088.4U CN202120270088U CN214737422U CN 214737422 U CN214737422 U CN 214737422U CN 202120270088 U CN202120270088 U CN 202120270088U CN 214737422 U CN214737422 U CN 214737422U
- Authority
- CN
- China
- Prior art keywords
- connector
- steel strand
- pull rod
- anchorage device
- tensioning tool
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a construction technical field specifically is to carry out the instrument of secondary stretch-draw to the steel strand wires. The steel strand secondary tensioning tool comprises a pull rod, wherein the pull rod sequentially penetrates through a nut, a gasket, a jack and a supporting platform, the front end of the pull rod is fixedly connected with one end of a two-way connector, the other end of the two-way connector is fixedly connected with one end of an anchorage connector, the other end of the anchorage connector is fixedly connected with an anchorage, a fastening hole is formed in the anchorage connector, and a fastening rod is inserted in the fastening hole. The utility model provides a steel strand secondary tensioning tool, which can be operated by only two persons, the component materials of each part are easy to obtain, the manufacture is simple, the operation is simple and convenient, and a large amount of labor cost and time cost can be saved; the supporting platform is used as a system support, reinforcing ribs are arranged between the supporting surface of the supporting platform and the supporting legs, steel plates with different thicknesses are supported under the supporting platform, the supporting platform and the tensioning direction are coaxial, the tensioning axial stress is enabled, and the stability during tensioning is guaranteed.
Description
Technical Field
The utility model relates to a construction technical field specifically is to carry out the instrument of secondary stretch-draw to the steel strand wires.
Background
When the steel strand is prestressed and tensioned, the clamping piece retracts to cause certain prestress loss. When the long bundle of steel strands are prestressed and tensioned, the elongation is large, and the loss can be ignored; the short strand steel strand is small in elongation, the prestress loss of the clamping piece after retraction is large, and in order to make up the prestress loss caused by primary tensioning and ensure the safety of the structure, secondary prestress tensioning is needed.
Chinese patent No. CN201220525789.9 discloses a vertical prestressed fine steel stretching and connecting device for cast-in-place box beam, which connects a fine steel connecting rod with vertical prestressed fine steel to be stretched in the box beam concrete through a YGL type connector, stretches the vertical prestressed fine steel to be stretched in the box beam concrete through a jack, but the device must require that the exposed end of the vertical prestressed fine steel to be stretched in the box beam concrete must be threaded, which is not suitable for general steel strand wires, so that the application range of the device is limited, and a plurality of vertical prestressed fine steels are generally arranged in an anchorage device, and the device can stretch only one vertical prestressed fine steel at a time, thereby reducing the construction efficiency and increasing the construction cost.
SUMMERY OF THE UTILITY MODEL
For solving the aforesaid and not being suitable for to general steel strand wires, make the device's application range limited to the device once can only carry out stretch-draw to a vertical prestressing force smart steel, the problem that the efficiency of construction is low, the utility model provides a steel strand wires secondary tensioning tool, the front end of pull rod is passed through two-way connection ware and ground tackle connector and is connected ground tackle and carry out stretch-draw to steel strand wires, and construction method is simple, convenient operation.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a steel strand wires secondary tensioning tool, includes the pull rod, the pull rod passes nut, gasket, jack and supporting platform in proper order, the front end fixed connection two-way connector's of pull rod one end, the other end fixed connection anchorage device connector's of two-way connector one end, the other end fixed connection anchorage device of anchorage device connector, seted up the fastening hole on the anchorage device connector, the fastening hole interpolation has the anchorage bar.
Furthermore, the outside of the anchorage device is provided with external threads, and the anchorage device is provided with an anchorage device external nut matched with the external threads.
Furthermore, the pull rod is a threaded rod, one end of the bidirectional connector is provided with an internal thread matched with the pull rod, and the other end of the bidirectional connector is provided with an external thread matched with the anchor connector.
Furthermore, two ends of the anchor connector are respectively provided with internal threads matched with the two-way connector and the anchor.
Furthermore, a handle is fixedly arranged at the rear end of the pull rod.
Furthermore, a supporting base plate is fixedly arranged at the bottom end of the supporting leg of the supporting platform.
Furthermore, the fastening holes are uniformly distributed around the anchor connector.
Furthermore, reinforcing ribs are arranged between the supporting surface of the supporting platform and the supporting legs.
The utility model discloses a technological effect and advantage: the utility model provides a steel strand wires secondary tensioning tool, only need two people to cooperate and alright operate, each position subassembly material is easily obtained, simple structure, and the preparation is convenient, easy to operate, can save a large amount of cost of labor and time cost; the nut and the gasket play a role in fixing and supporting the jack above the jack; the support platform is used as a system support, reinforcing ribs are arranged between a support surface of the support platform and the support legs, steel plates with different thicknesses are supported under the support platform, the support platform is ensured to be coaxial with a stretching direction, so that the stretching axial force is applied, and the stability during stretching is ensured; the pull rod is connected with the anchorage device through the two-way connector and the anchorage device connector, and is tensioned through the jack, so that a plurality of steel strands on the anchorage device can be simultaneously tensioned, the working efficiency is improved, the anchorage device connectors matched with the anchorage device connectors can be replaced according to anchorage devices with different specifications, the application is more flexible, and the later-stage use and maintenance are convenient; the anchorage device connector is provided with a plurality of fastening holes all around, and fastening rods can be inserted into the fastening holes, and the anchorage device connector is driven to rotate through the fastening rods, so that the anchorage device connector is connected with an anchorage device and is stable, therefore, the tool is high in construction efficiency, wide in application range and easy to popularize.
Drawings
FIG. 1 is a schematic view of the connection between a tension tool and an anchor according to the present invention;
fig. 2 is a front view of the two-way connector of the present invention;
fig. 3 is a vertical sectional view of the two-way connector of the present invention;
FIG. 4 is a front view of an anchor connector of the present invention;
FIG. 5 is a vertical cross-sectional view of the anchor connector of the present invention;
FIG. 6 is a schematic view of the anchor connector and anchor mounting structure of the present invention;
wherein: 1-pull rod, 2-nut, 3-gasket, 4-jack, 5-support platform, 6-bidirectional connector, 7-anchor connector, 8-support backing plate, 9-fastening hole, 10-handle, 11-fastening rod, 12-anchor, 13-steel strand, 14-reinforcing rib and 15-external nut of anchor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b):
as shown in fig. 1-6, a steel strand secondary tensioning tool comprises a pull rod 1, the pull rod 1 is a threaded rod, the pull rod 1 sequentially passes through a nut 2, a gasket 3, a jack 4 and a supporting platform 5, one end of a bidirectional connector 6 is provided with an internal thread matched with the pull rod 1, the other end of the bidirectional connector 6 is provided with an external thread matched with an anchorage connector 7, two ends of the anchorage connector 7 are respectively provided with an internal thread matched with the bidirectional connector 6 and an anchorage 12, the front end of the pull rod 1 is in threaded connection with one end of the bidirectional connector 6, the other end of the bidirectional connector 6 is in threaded connection with one end of the anchorage connector 7, the other end of the anchorage connector 7 is in threaded connection with an anchorage 12, the exterior of the anchorage 12 is provided with an external thread, the anchorage 12 is provided with an anchorage external nut 15 matched with the external thread, the anchorage connector 7 is provided with a plurality of fastening holes 9, the fastening holes 9 are uniformly distributed around the anchorage connector 7, a fastening rod 11 is inserted into the fastening hole 9; a handle 10 is fixedly arranged at the rear end of the pull rod 1; the bottom ends of the supporting legs of the supporting platform 5 are fixedly provided with supporting base plates 8, and reinforcing ribs 14 are arranged between the supporting surface of the supporting platform 5 and the supporting legs.
In the using process, firstly, the anchorage device connector 7 and the anchorage device 12 are screwed and fixed, when the manual rotation is blocked, the fastening rod 11 is inserted into the fastening hole 9 to rotate the anchorage device connector 7, so that the anchorage device connector 7 and the anchorage device 12 are connected more firmly, then, one end of the two-way connector 6 is fixedly connected with the anchorage device connector 7, then, the supporting platform 5 is placed right above the anchorage device 12, the supporting base plate 8 below the supporting platform 5 is changed into different sizes and thicknesses according to the working environment requirement, and the axial stress of the supporting platform 5 is ensured; and then the hydraulic jack 4 is placed right in the middle above the supporting platform 5, the pull rod 1 provided with the nut 2 and the gasket 3 penetrates through the jack 4 to be fixedly connected with the bidirectional connector 6, the handle 10 plays a role of rotating the pull rod 1, the jack 4 is started after the assembly is completed, the anchor 12 and the steel strand 13 are pulled up when the jack 4 is propped, the nut 15 outside the anchor on the anchor 12 is rotated downwards to support the stretched anchor 12, the rotating distance is the distance of the secondary stretching of the steel strand 13, finally the jack 4 releases pressure and retracts to complete one stretching action, and the rest is done in sequence, so that the secondary stretching of all the steel strands is completed, the operation is simple and convenient, and the construction efficiency is high.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a steel strand wires secondary tensioning tool which characterized in that: the pull rod sequentially penetrates through a nut, a gasket, a jack and a supporting platform, the front end of the pull rod is fixedly connected with one end of a two-way connector, the other end of the two-way connector is fixedly connected with one end of an anchorage device connector, the other end of the anchorage device connector is fixedly connected with an anchorage device, a fastening hole is formed in the anchorage device connector, and a fastening rod is inserted into the fastening hole.
2. The steel strand secondary tensioning tool of claim 1, wherein: the external part of the anchorage device is provided with external threads, and the anchorage device is provided with an anchorage device external nut matched with the external threads.
3. The steel strand secondary tensioning tool of claim 1, wherein: the pull rod is a threaded rod, one end of the bidirectional connector is provided with an internal thread matched with the pull rod, and the other end of the bidirectional connector is provided with an external thread matched with the anchor connector.
4. The steel strand secondary tensioning tool of claim 1, wherein: and internal threads matched with the bidirectional connector and the anchorage device are respectively arranged at two ends of the anchorage device connector.
5. The steel strand secondary tensioning tool of claim 1, wherein: and a handle is fixedly arranged at the rear end of the pull rod.
6. The steel strand secondary tensioning tool of claim 1, wherein: and a supporting base plate is fixedly arranged at the bottom end of the supporting leg of the supporting platform.
7. The steel strand secondary tensioning tool of claim 1, wherein: the fastening holes are uniformly distributed around the anchor connector.
8. The steel strand secondary tensioning tool of claim 1, wherein: and reinforcing ribs are arranged between the supporting surface of the supporting platform and the supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120270088.4U CN214737422U (en) | 2021-02-01 | 2021-02-01 | Steel strand secondary tensioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120270088.4U CN214737422U (en) | 2021-02-01 | 2021-02-01 | Steel strand secondary tensioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214737422U true CN214737422U (en) | 2021-11-16 |
Family
ID=78643216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120270088.4U Active CN214737422U (en) | 2021-02-01 | 2021-02-01 | Steel strand secondary tensioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214737422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620636A (en) * | 2022-04-26 | 2022-06-14 | 杨军 | Tensioning jack |
-
2021
- 2021-02-01 CN CN202120270088.4U patent/CN214737422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620636A (en) * | 2022-04-26 | 2022-06-14 | 杨军 | Tensioning jack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214737422U (en) | Steel strand secondary tensioning tool | |
| CN102785290A (en) | Core-penetrating pull-type pedestal for pre-tensioned pre-stressing U-shaped beam and construction method thereof | |
| CN113459274B (en) | Manufacturing method of fiber woven mesh reinforced concrete composite board | |
| CN101074578B (en) | Special anchoros for wedged variable-corrugated clamped sheets | |
| CN2739290Y (en) | Steel strand vertical prestress anchoring system | |
| CN209760863U (en) | External prestress steel strand connector and matched tensioning device | |
| CN106049291B (en) | Hollow force snesor bite type tensioning system and method built in bridge | |
| CN203065973U (en) | Stretch-draw device for monofilament epoxy coating steel strands | |
| CN102953378B (en) | Single-hole and double-beam prestressed anchor tensioning device | |
| CN204899232U (en) | Self -lock device of prestressing steel stretch -draw | |
| CN111456449A (en) | Construction device and method for guaranteeing uniform stress of each bundle of steel strands through beam body post-tensioning method | |
| CN101285333A (en) | Special anchorage for combined variable-corrugated fiber sheets and prestressing force stretching thereof | |
| CN102206963B (en) | Tensioning device and method for applying prestressing force on high bending moment prestressed concrete electric pole | |
| CN202925544U (en) | Single-hole double-bundle pre-stress anchor bolt tensioning device | |
| CN205531379U (en) | A can dismantle ground tackle for stretch -draw of prestressing force carbon plate | |
| CN210946868U (en) | Connector for threaded steel bar and prestressed tendon | |
| CN100535364C (en) | Prestressing force beam string structure stretching device | |
| CN113442285A (en) | Manufacturing device for prestressed fiber woven mesh reinforced concrete composite board | |
| CN204530801U (en) | Foundation pile pulling resistance testing device | |
| CN210439165U (en) | Prestressed carbon fiber tensioning device | |
| CN113235441A (en) | Strand penetrating device and method for prestressed steel strand | |
| CN215549670U (en) | Tensioning device for prestressed concrete member | |
| CN201209292Y (en) | Anchorage special for combination corrugation changing fibre sheet material | |
| CN112392041A (en) | Tensioning device for insufficient reserved length of steel strand and application method thereof | |
| CN210458962U (en) | Pre-tensioning type bridge construction structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |