CN214402805U - Device for weaving and penetrating prestressed tendons - Google Patents
Device for weaving and penetrating prestressed tendons Download PDFInfo
- Publication number
- CN214402805U CN214402805U CN202120432104.5U CN202120432104U CN214402805U CN 214402805 U CN214402805 U CN 214402805U CN 202120432104 U CN202120432104 U CN 202120432104U CN 214402805 U CN214402805 U CN 214402805U
- Authority
- CN
- China
- Prior art keywords
- tendons
- sleeve section
- supporting sleeve
- connecting rod
- diameter
- 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
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
The utility model discloses a device for compile and restraint and wear to establish prestressing tendons, restraint the dabber at the connecting rod of the supporting sleeve other end and rotate the traction ring of being connected with the connecting rod including supporting sleeve, can dismantle the connection, compile of supporting sleeve one end and restraint the spindle, compile and restraint the spindle and seted up a plurality of single steel bundles and pass the hole. The utility model discloses simple structure can avoid a plurality of single prestressing tendons phenomenon of intertwine to appear in the prestressing tendons pore, and at stretch-draw prestressing tendons's in-process, prestressing tendons can not appear the phenomenon that prestressing force is inhomogeneous or disconnected silk, not only is applicable to wearing to establish of small-size case roof beam prestressing tendons, can be applicable to moreover and wear to establish prestressing tendons in the prestressing force pore canal that length is long, the diameter is big.
Description
Technical Field
The utility model belongs to the technical field of precast beam and cast-in-place case roof beam construction of prestressing force, concretely relates to a device for weaving bundle and wear to establish prestressing tendons.
Background
At present, two methods are commonly used for the prestressed tendon to penetrate, one method is to penetrate a single prestressed tendon into a prestressed tendon pore channel one by adopting manpower or a strand penetrating machine, however, in the process of penetrating a single prestressed tendon one by one, a plurality of single prestressed tendons are easy to be intertwined in the prestressed tendon pore channel, and in the subsequent process of tensioning the prestressed tendon, the phenomenon of the prestressed tendon breaking is easy to be generated due to uneven tension of the prestressed tendon; the other method is that a plurality of single prestressed tendons are firstly bundled manually, and then the bundled prestressed tendons are integrally and manually inserted into prestressed tendon ducts, the method can ensure the straightness of the prestressed tendons in the prestressed tendon ducts and the uniformity of the tensile force of the prestressed tendons, but the method is only suitable for small box girders and is not suitable for the insertion of the prestressed tendons in prestressed ducts with long length and large diameter; therefore, a device for binding and penetrating prestressed tendons, which is convenient to operate, should be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a device for weaving bundle and wear to establish prestressing tendons, its simple structure, reasonable in design, can avoid a plurality of single prestressing tendons phenomenon of intertwine to appear in the prestressing tendons pore, at stretch-draw prestressing tendons's in-process, prestressing tendons can not appear the phenomenon that prestressing force is inhomogeneous or disconnected silk, not only be applicable to wearing to establish of small-size case roof beam prestressing tendons, and can be applicable to moreover and wear to establish prestressing tendons in length, the prestressing tendons that the diameter is big in the prestressing tendons pore.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a device for weaving restraint and wear to establish prestressing tendons which characterized in that: including the supporting sleeve, can dismantle the connection and be in the supporting sleeve one end compile and restraint the dabber, rotate and install the connecting rod of the supporting sleeve other end and with the traction ring that the connecting rod rotates to be connected, it has seted up a plurality of single steel bundles and has passed the hole to compile to restraint the dabber.
The device for weaving and penetrating the prestressed tendons is characterized in that: the supporting sleeve comprises a large-diameter sleeve section and a small-diameter sleeve section arranged at one end of the large-diameter sleeve section, the braiding mandrel is detachably connected in the large-diameter sleeve section, the connecting rod is arranged in the small-diameter sleeve section in a penetrating mode, and a step hole for the connecting rod to penetrate is formed in the small-diameter sleeve section.
The device for weaving and penetrating the prestressed tendons is characterized in that: the braiding mandrel is in threaded connection with the large-diameter sleeve section, an internal thread is arranged on the inner wall of the large-diameter sleeve section, and an external thread matched with the internal thread is arranged on the braiding mandrel.
The device for weaving and penetrating the prestressed tendons is characterized in that: a plurality of exhaust holes are formed in the circumferential direction of the large-diameter sleeve section, and the exhaust holes are formed in one end, close to the small-diameter sleeve section, of the supporting sleeve.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up the supporting sleeve, and can dismantle the connection at one end of supporting sleeve and compile and restraint the dabber, because it can dismantle between bundle dabber and the supporting sleeve to compile, and compile and restraint the spindle and seted up a plurality of single steel bundles and pass the hole, therefore, when in actual use, when compiling and restraint dabber and supporting sleeve are in the split state, wear to establish a plurality of single steel bundles in a plurality of single steel bundle pass the hole, later, it is as an organic whole with the supporting sleeve connection to compile and restraint dabber, at this moment, utilize supporting sleeve and compile and restraint the dabber can realize compiling the purpose of restrainting a plurality of single steel bundles, after a plurality of single steel bundles are compiled, can use traction equipment to carry out the bulk traction to the prestressing tendons after compiling, make the prestressing tendons after compiling wear to establish in the prestressing tendons pore, can avoid a plurality of single prestressing tendons to appear the phenomenon of intertwining in the prestressing tendons pore, in the process of tensioning the prestressed tendons, the prestressed tendons cannot generate the phenomenon of uneven prestress or broken wires, and are not only suitable for the penetration of the prestressed tendons of the small box girder, but also suitable for the penetration of the prestressed tendons in prestressed ducts with long length and large diameter.
2. The utility model discloses an at the telescopic other end rotation installation connecting rod of supporting to the traction ring of being connected is rotated with the connecting rod in the setting, during the in-service use, only need be connected traction ring and pulling equipment, the connecting rod can play and connect traction ring and the telescopic effect of supporting, when adopting pulling equipment to carry out whole the pulling to the prestressing tendons after the weaving, the connecting rod can adapt to the axial rotation of pulling the in-process, can avoid the supporting sleeve to receive the damage, can improve the telescopic life of supporting.
3. The utility model has the advantages of simple structure and reasonable design, low in manufacturing cost, facilitate promotion is used.
To sum up, the utility model has the advantages of simple structure and reasonable design, can avoid a plurality of single prestressing tendons phenomenon of intertwine to appear in the prestressing tendons pore, at stretch-draw prestressing tendons's in-process, prestressing tendons can not appear the phenomenon that prestressing force is inhomogeneous or the silk is disconnected, not only is applicable to wearing to establish of small-size case roof beam prestressing tendons, can be applicable to moreover and wear to establish prestressing tendons in the prestressing force pore canal that length is long, the diameter is big.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of the usage state of the present invention.
Fig. 2 is a schematic structural view of the bundling mandrel of the present invention.
Description of reference numerals:
1-a large diameter sleeve section; 1-2-small diameter sleeve section; 1-2-1-stepped hole;
2-braiding a core shaft; 2-1, a single steel bundle passes through a hole; 3, air exhaust holes;
4-a connecting rod; 4-1-a limiting end; 5-a traction ring;
6-single prestressed tendon; 6-1-limiting pier head.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a supporting sleeve, can dismantle the connection and be in supporting sleeve one end compile and restraint dabber 2, rotate and install the connecting rod 4 of the supporting sleeve other end and with connecting rod 4 rotates the traction ring 5 of connecting, it has seted up a plurality of single steel bundles and has passed hole 2-1 to compile to restraint dabber 2 on.
In the embodiment, the supporting sleeve is arranged, the braiding core shaft 2 is detachably connected to one end of the supporting sleeve, the braiding core shaft 2 and the supporting sleeve are detachable, and the braiding core shaft 2 is provided with the single steel strand through holes 2-1, so that when the braiding core shaft 2 and the supporting sleeve are in a split state in practical use, the single steel strands 6 are arranged in the single steel strand through holes 2-1 in a penetrating manner, and then the braiding core shaft 2 and the supporting sleeve are connected into a whole, at the moment, the purpose of braiding the single steel strands 6 can be realized by using the supporting sleeve and the braiding core shaft 2, after the single steel strands 6 are braided, the braided prestressed tendons can be integrally pulled by using a traction device, so that the braided prestressed tendons are arranged in prestressed tendon channels in a penetrating manner, and the phenomenon that the single prestressed tendons are wound in the prestressed tendon channels can be avoided, in the process of tensioning the prestressed tendons, the prestressed tendons cannot generate the phenomenon of uneven prestress or broken wires, and are not only suitable for the penetration of the prestressed tendons of the small box girder, but also suitable for the penetration of the prestressed tendons in prestressed ducts with long length and large diameter.
As shown in fig. 1, in this embodiment, the connecting rod 4 is rotatably mounted at the other end of the supporting sleeve, and the traction ring 5 rotatably connected to the connecting rod 4 is provided, during actual use, only the traction ring 5 needs to be connected to traction equipment, the connecting rod 4 can play a role in connecting the traction ring 5 with the supporting sleeve, when the traction equipment is used to integrally pull the braided prestressed tendons, the connecting rod 4 can adapt to axial rotation in the traction process, the supporting sleeve can be prevented from being damaged, and the service life of the supporting sleeve can be prolonged.
As shown in fig. 1, in this embodiment, the supporting sleeve includes a large-diameter sleeve section 1-1 and a small-diameter sleeve section 1-2 disposed at one end of the large-diameter sleeve section 1-1, the braiding mandrel 2 is detachably connected in the large-diameter sleeve section 1-1, the connecting rod 4 is inserted in the small-diameter sleeve section 1-2, and a stepped hole 1-2-1 through which the connecting rod 4 is inserted is formed in the small-diameter sleeve section 1-2.
In the embodiment, the two ends of the connecting rod 4 are provided with the limiting end heads 4-1, the structure is simple, and the connection of the traction ring 5, the connecting rod 4 and the small-diameter sleeve section 1-2 can be realized.
The connecting rod 4 is a prestressed steel strand section, and the limiting end 4-1 is a spherical pier head.
When the prestressed steel strand section is used practically, the prestressed steel strand section can adapt to axial vibration in the traction process and is not easy to bend or break, and when the prestressed steel strand section is arranged in the step hole 1-2-1 in a penetrating mode, the prestressed steel strand section is connected in a mode of machining spherical pier heads at two ends of the prestressed steel strand section, so that the diameter of the small-diameter hole section of the step hole 1-2-1 is matched with that of the prestressed steel strand section, the large-diameter hole section of the step hole 1-2-1 can play a role of containing the spherical pier heads, the prestressed steel strand section can be conveniently arranged in the small-diameter sleeve section 1-2 in a penetrating mode, and the connection reliability of the prestressed steel strand section can be improved.
In this embodiment, the braiding mandrel 2 is in threaded connection with the large-diameter sleeve section 1-1, an internal thread is arranged on the inner wall of the large-diameter sleeve section 1-1, and an external thread matched with the internal thread is arranged on the braiding mandrel 2.
In the embodiment, when the braiding mandrel 2 is in threaded connection with the large-diameter sleeve section 1-1, the disassembly and the assembly are convenient, the connection is reliable, when traction equipment is adopted to integrally pull the braided prestressed tendons, the braiding mandrel 2 and the large-diameter sleeve section 1-1 are not easy to fall off, and the using effect is good.
In this embodiment, a plurality of exhaust holes 3 are formed in the large-diameter sleeve section 1-1 in the circumferential direction, and the plurality of exhaust holes 3 are arranged at one end of the support sleeve 1 close to the small-diameter sleeve section 1-2.
In this embodiment, the number of the exhaust holes 3 is four, and the four exhaust holes 3 are uniformly arranged along the circumferential direction of the large-diameter sleeve section 1-1.
In practical use, after the plurality of single steel bundles 6 are arranged in the plurality of single steel bundle through holes 2-1, when the braiding mandrel 2 is connected with the supporting sleeve, the braiding mandrel 2 is not convenient to rotate, so that the supporting sleeve needs to be screwed manually to enable the supporting sleeve to be in threaded connection with the braiding mandrel 2, and in the process of screwing the supporting sleeve manually, air in the supporting sleeve is exhausted through the plurality of exhaust holes 3, so that the connection efficiency and the connection quality of the braiding mandrel 2 and the supporting sleeve are improved.
As shown in fig. 1, in actual use, firstly, under the condition that the bundling mandrel 2 and the supporting sleeve are in a split state, one ends of a plurality of single steel bundles 6 sequentially penetrate into a plurality of single steel bundle through holes 2-1 respectively; secondly, processing one ends of a plurality of single steel bundles 6 into limiting pier heads 6-1 by using a pier head machine, so that one ends of the single steel bundles 6 cannot fall off from the single steel bundles through holes 2-1; then, the supporting sleeve is connected with the braiding mandrel 2 in a threaded manner; finally, the traction ring 5 is connected with traction equipment, the traction equipment is utilized to integrally pull the braided prestressed tendons, the braided prestressed tendons are made to penetrate through the prestressed tendon pore channels, the straightness of the prestressed tendons in the prestressed tendon pore channels is guaranteed, the uniformity of the tensile force of the prestressed tendons can be guaranteed, the traction ring is not only suitable for small box girders, but also suitable for the penetration of the prestressed tendons in the prestressed pore channels with long length and large diameter, the use effect is good, and the traction ring is convenient to popularize and apply.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (4)
1. The utility model provides a device for weaving restraint and wear to establish prestressing tendons which characterized in that: connect including the supporting sleeve, can dismantle the connection supporting sleeve one end compile and restraint dabber (2), rotate and install connecting rod (4) of the supporting sleeve other end and with connecting rod (4) rotate traction ring (5) of connecting, it has seted up a plurality of single steel bundles and has passed hole (2-1) on restrainting dabber (2) to compile.
2. A device for binding and threading tendons according to claim 1, characterized in that: the supporting sleeve comprises a large-diameter sleeve section (1-1) and a small-diameter sleeve section (1-2) arranged at one end of the large-diameter sleeve section (1-1), the braiding core shaft (2) is detachably connected in the large-diameter sleeve section (1-1), the connecting rod (4) penetrates through the small-diameter sleeve section (1-2), and a step hole (1-2-1) for the connecting rod (4) to penetrate through is formed in the small-diameter sleeve section (1-2).
3. A device for binding and threading tendons according to claim 2, characterized in that: the braiding mandrel (2) is in threaded connection with the large-diameter sleeve section (1-1), an internal thread is arranged on the inner wall of the large-diameter sleeve section (1-1), and an external thread matched with the internal thread is arranged on the braiding mandrel (2).
4. A device for binding and threading tendons according to claim 2, characterized in that: a plurality of exhaust holes (3) are formed in the circumferential direction of the large-diameter sleeve section (1-1), and the exhaust holes (3) are arranged at one end, close to the small-diameter sleeve section (1-2), of the supporting sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432104.5U CN214402805U (en) | 2021-02-26 | 2021-02-26 | Device for weaving and penetrating prestressed tendons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432104.5U CN214402805U (en) | 2021-02-26 | 2021-02-26 | Device for weaving and penetrating prestressed tendons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214402805U true CN214402805U (en) | 2021-10-15 |
Family
ID=78026720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432104.5U Active CN214402805U (en) | 2021-02-26 | 2021-02-26 | Device for weaving and penetrating prestressed tendons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214402805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856625A (en) * | 2023-09-05 | 2023-10-10 | 北京市建筑工程研究院有限责任公司 | Anti-twisting traction node device and steel strand penetrating method |
| CN117702913A (en) * | 2023-09-05 | 2024-03-15 | 北京市建筑工程研究院有限责任公司 | Middle large-opening four-corner floor arch shell structure system and construction method thereof |
-
2021
- 2021-02-26 CN CN202120432104.5U patent/CN214402805U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856625A (en) * | 2023-09-05 | 2023-10-10 | 北京市建筑工程研究院有限责任公司 | Anti-twisting traction node device and steel strand penetrating method |
| CN116856625B (en) * | 2023-09-05 | 2023-11-28 | 北京市建筑工程研究院有限责任公司 | Anti-twisting traction node device and steel strand penetrating method |
| CN117702913A (en) * | 2023-09-05 | 2024-03-15 | 北京市建筑工程研究院有限责任公司 | Middle large-opening four-corner floor arch shell structure system and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214402805U (en) | Device for weaving and penetrating prestressed tendons | |
| CN102003072B (en) | Steel strand bundle-weaving and crossing construction method | |
| CN201874247U (en) | Device for pulling pre-stressed steel strands through corrugated tube | |
| JP5405889B2 (en) | Tension material tensioning method | |
| CN201581644U (en) | Bundle combing, knitting and lashing device for steel strand | |
| CN106087759B (en) | A kind of threading method of prestressed strand threader and prestressed strand | |
| CN103590539B (en) | A kind of finished steel strand bundle | |
| CN110735401A (en) | overall pulling method for ultra-long prestressed steel strand | |
| CN110184954B (en) | Bridge prestressed body outer cable dismantling method | |
| CN108104479A (en) | A kind of whole beam draft gear of prestress wire and its construction method for prestressing tendon integrally dragging | |
| CN202830736U (en) | Bundle combing device for steel strands | |
| CN201843261U (en) | Steel strands-woven bundle | |
| CN214993148U (en) | Integral penetrating device for long-distance steel strand | |
| CN203487791U (en) | Finished steel strand dedicated tractor with anchorage device | |
| CN209292898U (en) | Steel strand wires auxiliary traction head | |
| CN205975368U (en) | Prestressed steel beam threading device | |
| JP2007308280A (en) | Cable drum, cable winding method, and cable laying method | |
| CN203924490U (en) | A kind of finished product steel wire bundle | |
| CN217174375U (en) | Auxiliary pre-stressed steel strand pulling device | |
| CN103352538A (en) | Prestress fiber reinforced polymer cable anchoring device with auxiliary clamp rings | |
| CN207794635U (en) | A kind of reeving steel strands device | |
| CN111593664A (en) | Construction method for penetrating full-length prestressed tendons of segment prefabricated assembled beam | |
| CN215760530U (en) | Self-anchored steel strand pulling device | |
| CN201347537Y (en) | Bridge sling single twisted-line substitution structure | |
| CN214573360U (en) | Steel strand aligning and bundling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |