CN210236765U - Pay-off rack for construction of prestressed steel strand finished product bundle - Google Patents
Pay-off rack for construction of prestressed steel strand finished product bundle Download PDFInfo
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- CN210236765U CN210236765U CN201920382188.9U CN201920382188U CN210236765U CN 210236765 U CN210236765 U CN 210236765U CN 201920382188 U CN201920382188 U CN 201920382188U CN 210236765 U CN210236765 U CN 210236765U
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Abstract
The utility model discloses a pay off rack is used in construction of prestressing force steel strand wires finished product bundle, the pay off rack includes: the device comprises a chassis, a turntable, a rotary driving mechanism and a limiting mechanism; the turntable is positioned at the upper part of the chassis, a disc-shaped prestressed steel strand finished product bundle is supported in the turntable, and the bottom of the turntable is connected with a rotary driving mechanism; a limiting mechanism for guiding the prestressed steel strand finished product bundle out is arranged on the outer side of the turntable; the rotary driving mechanism and the limiting mechanism are respectively arranged on the chassis. The beneficial effects are that: the rotary driving mechanism drives the rotary table to rotate so as to lead the prestressed steel strand finished product bundle to be paid off, the paying off is labor-saving, the traction force of subsequent pushing equipment is greatly reduced, and the conveying speed is improved; the pay-off turntable of the utility model can not only rotate to pay off, but also reverse to take up, thus solving the problems of difficult steel strand extraction caused by blockage of a pore passage in construction, and the like; the utility model discloses compact structure, convenient operation is favorable to the large tracts of land adoption and the popularization that the finished product was restrainted.
Description
Technical Field
The patent of the utility model belongs to prestressing force steel strand wires finished product bundle construction field, what especially relate to is a pay off rack is used in prestressing force steel strand wires finished product bundle construction.
Background
In the basic construction of roads, bridges and the like, a large number of prestressed steel strands are needed, for example, in the bridge construction, 10-30 steel strands need to be threaded through each bridge prestressed duct. In the prior art, single penetrating is mostly adopted in bridge construction, and in the construction method, steel strands are wound in a duct, so that when the whole bundle of duct steel strands is tensioned, the lengths in the duct are inconsistent, the tensioning stress of the steel strands is not uniform, a certain steel strand is broken too early, and the safety of a bridge is damaged. In order to overcome the technical defects, the traffic department popularizes a prestressed steel strand finished bundle technology, steel strands are blanked in equal length according to requirements, are combed and bundled, are sent to a site after being bundled and packaged, and the whole bundle is perforated for construction. The construction method solves the problem of uneven stress caused by the traditional single threading, but increases the difficulty of site construction. Especially, in steel strand paying-off construction, due to the problems that the bundled finished product bundle is heavy in weight, strong in resilience force, multiple in conveying pore channels and the like, the conventional construction equipment cannot meet construction requirements, construction efficiency is greatly reduced, and popularization and application of the finished product bundle are severely restricted.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's defect, provide one kind and replace artifical transport prestress wire finished product bundle with power, improve transport speed, solve the steel strand wires that the pore canal blockked up in the construction and extract a pay off rack for the construction of difficulty prestress wire finished product bundle.
The technical scheme for solving the technical problems is as follows: the utility model provides a pay off rack is used in construction of prestressing force steel strand finished product bundle, the pay off rack includes: the device comprises a chassis, a turntable, a rotary driving mechanism and a limiting mechanism; the turntable is positioned at the upper part of the chassis, a disc-shaped prestressed steel strand finished product bundle is supported in the turntable, and the bottom of the turntable is connected with a rotary driving mechanism; and a limiting mechanism for guiding the prestressed steel strand finished product bundle to be led out is arranged on the outer side of the turntable and supported on the chassis.
The preferred scheme is as follows: the rotary driving mechanism comprises a driving gear and a driven gear which are mutually meshed; the driving gear is connected with an output shaft of the motor, and the motor is arranged on the chassis; the driven gear outer sleeve is fixed at the bottom of the turntable, an inner ring of the driven gear outer sleeve rolls along the outer edge of the inner ring through a plurality of balls, and the bottom of the inner ring is fixed on the chassis.
The preferred scheme is as follows: the chassis comprises an outer frame and an inner support arranged in the outer frame; the motor is fixed on the inner support; the bottom of the inner ring is connected with a bottom plate, and the bottom plate is fixed on the inner support.
The preferred scheme is as follows: the limiting mechanism comprises a limiting main frame, the lower portion of the limiting main frame is arranged on the chassis, and a through hole through which the prestressed steel strand finished product bundle penetrates is formed in the upper portion of the limiting main frame.
The preferred scheme is as follows: the through hole on the upper part of the limiting main frame is composed of a pair of horizontal transverse rollers arranged at intervals and a pair of vertical rollers arranged at intervals, the two ends of the pair of transverse rollers and the two ends of the pair of vertical rollers are respectively fixed on the limiting main frame, and roller sleeves capable of freely rotating are respectively arranged on the pair of transverse rollers and the pair of vertical rollers.
The preferred scheme is as follows: the turntable comprises a plate frame and more than two fixing frames; the tray frame is a circular frame with a U-shaped cross section, and the more than two fixing frames are uniformly distributed at the positions with equal distance from the center of the tray frame.
The utility model has the advantages that:
1. the utility model discloses a rotatory messenger's prestressing force steel strand wires finished product bundle unwrapping wire of rotary driving mechanism drive carousel, the unwrapping wire is laborsaving, has reduced follow-up propelling movement equipment's traction force by a wide margin, improves conveying speed.
2. The utility model discloses the unwrapping wire carousel not only can rotate the unwrapping wire, can also reverse and receive the line, can solve the steel strand wires that the pore canal blockked up in the construction and extract difficulty scheduling problem.
3. The utility model discloses compact structure, convenient operation is favorable to the large tracts of land adoption and the popularization that the finished product was restrainted.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top plan view of FIG. 1, partially broken away to show the outer sleeve structure of the driving and driven gears of the rotary drive mechanism;
FIG. 3 is a sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view of section I of FIG. 3;
fig. 5 is a sectional view taken along line B-B in fig. 1.
Serial number description in the drawings
1: a chassis; 1 a: an outer frame; 1 b: an inner support; 1 c: a base plate; 2: a turntable; 2 a: a tray frame; 2 b: a fixed mount; 3: a rotation driving mechanism; 3 a: a driven gear is sleeved; 3 b: a ball bearing; 3 c: an inner ring; 3 d: a driving gear; 3 e: a motor; 4: a limiting mechanism; 4 a: a main limiting frame; 4 b: a transverse roller; 4 c: a vertical roller; 5: and (5) pre-stressed steel strand finished product bundles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail with reference to the following embodiments.
As shown in fig. 1 and fig. 2, the utility model discloses a pay off rack is used in construction of prestressing force steel strand wires finished product bundle, the pay off rack includes: the device comprises a chassis 1, a turntable 2, a rotary driving mechanism 3 and a limiting mechanism 4; the turntable 2 is positioned at the upper part of the chassis 1, the disc-shaped prestressed steel strand finished product bundle 5 is supported in the turntable 2, and the bottom of the turntable 2 is connected with the rotary driving mechanism 3; and a limiting mechanism 4 for guiding the prestressed steel strand finished product bundle 5 out is arranged on the outer side of the turntable 2, and the limiting mechanism 4 is supported on the chassis 1.
The rotation driving mechanism 3 includes a driving gear 3d, a driven gear housing 3a, a motor 3e, a plurality of balls 3b, and an inner race 3 c. Wherein the driving gear 3d and the driven gear jacket 3a are mutually meshed; the driving gear 3d is connected with an output shaft of a motor 3e, and the motor 3e is fixedly arranged on the chassis 1; the driven gear outer sleeve 3a is fixed at the bottom of the turntable 2, an inner ring of the driven gear outer sleeve 3a rolls along the outer edge of an inner ring 3c through a plurality of balls 3b, and the bottom of the inner ring 3c is fixed on the chassis 1. The power of the motor with the structure is transmitted to the rotary table 2 after the driving gear drives the driven gear outer sleeve to rotate, and the rotary table 2 can rotate to drive the whole prestressed steel strand finished product bundle 5 to be conveyed.
The chassis 1 comprises an outer frame 1a and an inner support 1b arranged in the outer frame 1 a; the motor 3e is fixed on the inner support 1 b; the bottom of the inner ring 3c is connected with a bottom plate 1c, and the bottom plate 1c is fixed on the inner support 1 b.
As shown in fig. 2 to 4, more specifically, the outer frame 1a is a square frame, and the inner frame 1b is disposed along a diagonal line inside the outer frame 1 a; the motor 3e is fixed on the side surface of the inner support 1 b; the inner ring 3c is fixed to the top surface of the inner bracket 1b, and the inner ring 3c is supported by the inner bracket 1 b.
The limiting mechanism 4 comprises a limiting main frame 4a, the lower portion of the limiting main frame 4a is arranged on the chassis 1, and a through hole through which the prestressed steel strand finished product bundle 5 penetrates is formed in the upper portion of the limiting main frame 4 a.
As shown in fig. 1 and 5, the through hole at the upper part of the limiting main frame 4a is composed of a pair of horizontal transverse rollers 4b arranged at intervals and a pair of vertical rollers 4c arranged at intervals, two ends of the pair of transverse rollers 4b and two ends of the pair of vertical rollers 4c are respectively fixed on the limiting main frame 4a, roller sleeves capable of freely rotating (the roller sleeves are hinged on the transverse rollers and the vertical rollers by adopting the prior art) are respectively arranged on the pair of transverse rollers 4b and the pair of vertical rollers 4c, the prestressed steel strand finished bundle 5 is pulled out from between the transverse rollers 4b and the vertical rollers 4c, and when the prestressed steel strand finished bundle 5 passes through in a moving manner, the roller sleeves are rotated along with the prestressed steel strand finished bundle, so that friction resistance can be reduced.
The turntable 2 comprises a plate frame 2a and more than two fixing frames 2 b; the plate rack 2a is a circular frame with a U-shaped cross section, and the more than two fixing frames 2b are uniformly distributed at the positions with equal distance from the center of the plate rack 2 a. Fig. 2 shows that there are 4 fixing frames 2b for fixing the prestressed steel strand finished bundle 5.
The construction process of the present invention is explained as follows:
firstly, will the utility model discloses the pay off rack is adjusted to the position of prestressing force pore canal on the orientation building site, then with 5 coils of prestressing force steel strand bundles hoist and mount to plate rail 2a, demolish the coil bundle packing, pull out in the hole between a pair of horizontal roller 4b and a pair of vertical roller 4c of limiting mechanism 4 with 5 front ends of prestressing force steel strand bundles, pull the propelling movement forward by subsequent propelling movement construction equipment. When propelling movement equipment was opened, opened the utility model discloses well rotary driving mechanism 3's motor 3e to drive carousel 2 is rotatory, releases the prestressing force steel strand wires finished product bundle 5 of bundling.
If the pushing of the prestressed steel strand finished product bundle 5 is in trouble, the motor 3e can rotate reversely through the rotary driving mechanism 3, and the prestressed steel strand finished product bundle 5 is recovered to the turntable 2 again for subsequent paying-off construction. And sequentially carrying out paying-off construction to finish the whole finished product bundle paying-off work.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a pay off rack is used in construction of prestressing force steel strand finished product bundle which characterized in that, the pay off rack includes: the device comprises a chassis (1), a turntable (2), a rotary driving mechanism (3) and a limiting mechanism (4); the turntable (2) is positioned at the upper part of the chassis (1), a disc-shaped prestressed steel strand finished product bundle (5) is supported in the turntable, and the bottom of the turntable is connected with a rotary driving mechanism (3); and a limiting mechanism (4) for guiding the prestressed steel strand finished product bundle (5) to be led out is arranged on the outer side of the turntable (2), and the limiting mechanism (4) is supported on the chassis (1).
2. The pay-off stand for the construction of the prestressed steel strand finished bundle as claimed in claim 1, wherein the rotary driving mechanism (3) comprises a driving gear (3d) and a driven gear sheath (3a) which are engaged with each other; the driving gear (3d) is connected with an output shaft of a motor (3e), and the motor (3e) is arranged on the chassis (1); the driven gear outer sleeve (3a) is fixed at the bottom of the turntable (2), the inner ring of the driven gear outer sleeve (3a) rolls along the outer edge of the inner ring (3c) through a plurality of balls (3b), and the bottom of the inner ring (3c) is fixed on the chassis (1).
3. The pay-off stand for the construction of the prestressed steel strand finished product bundle as claimed in claim 2, wherein the chassis (1) comprises an outer frame (1a) and an inner support (1b) arranged in the outer frame (1 a); the motor (3e) is fixed on the inner support (1 b); the bottom of the inner ring (3c) is connected with a bottom plate (1c), and the bottom plate (1c) is fixed on the inner support (1 b).
4. The pay-off stand for the construction of the prestressed steel strand finished product bundle as claimed in claim 1, wherein the limiting mechanism (4) comprises a limiting main frame (4a), the lower portion of the limiting main frame (4a) is arranged on the chassis (1), and a through hole through which the prestressed steel strand finished product bundle (5) passes is arranged at the upper portion of the limiting main frame (4 a).
5. The pay-off stand for the construction of the prestressed steel strand finished product bundle as claimed in claim 4, wherein the through hole at the upper part of the main limiting frame (4a) is composed of a pair of horizontal transverse rollers (4b) arranged at intervals and a pair of vertical rollers (4c) arranged at intervals, two ends of the pair of transverse rollers (4b) and two ends of the pair of vertical rollers (4c) are respectively fixed on the main limiting frame (4a), and roller sleeves capable of freely rotating are respectively arranged on the pair of transverse rollers (4b) and the pair of vertical rollers (4 c).
6. The pay-off stand for the construction of the prestressed steel strand finished bundle as claimed in claim 1, wherein the turntable (2) comprises a plate frame (2a) and more than two fixing frames (2 b); the plate rack (2a) is a circular frame with a U-shaped cross section, and the more than two fixing frames (2b) are uniformly distributed at equal distance from the center of the plate rack (2 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382188.9U CN210236765U (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382188.9U CN210236765U (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210236765U true CN210236765U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920382188.9U Active CN210236765U (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundle |
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| CN (1) | CN210236765U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823924A (en) * | 2019-03-25 | 2019-05-31 | 真势兴技术股份有限公司 | Pay-off rack for construction of prestressed steel strand finished product bundle |
| CN111847110A (en) * | 2020-07-27 | 2020-10-30 | 南京蔚特尔智能科技有限公司 | Winding device of copper wire blank for electrician |
| CN112687465A (en) * | 2021-01-11 | 2021-04-20 | 遵义海德汽车零部件有限责任公司 | High-voltage damping engine ignition wire and preparation process thereof |
-
2019
- 2019-03-25 CN CN201920382188.9U patent/CN210236765U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823924A (en) * | 2019-03-25 | 2019-05-31 | 真势兴技术股份有限公司 | Pay-off rack for construction of prestressed steel strand finished product bundle |
| CN109823924B (en) * | 2019-03-25 | 2024-01-23 | 真势兴技术股份有限公司 | Pay-off rack for construction of prestressed steel strand finished product bundles |
| CN111847110A (en) * | 2020-07-27 | 2020-10-30 | 南京蔚特尔智能科技有限公司 | Winding device of copper wire blank for electrician |
| CN112687465A (en) * | 2021-01-11 | 2021-04-20 | 遵义海德汽车零部件有限责任公司 | High-voltage damping engine ignition wire and preparation process thereof |
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