CN109823927B - Walking pay-off rack for construction of prestressed steel strand finished product bundles - Google Patents
Walking pay-off rack for construction of prestressed steel strand finished product bundles Download PDFInfo
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- CN109823927B CN109823927B CN201910228684.3A CN201910228684A CN109823927B CN 109823927 B CN109823927 B CN 109823927B CN 201910228684 A CN201910228684 A CN 201910228684A CN 109823927 B CN109823927 B CN 109823927B
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- front wheel
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- frame
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The invention discloses a walkable pay-off rack for construction of a prestressed steel strand finished product bundle, and relates to a walkable pay-off rack for construction of a prestressed steel strand finished product bundle, comprising: the device comprises a chassis, a turntable, a limiting mechanism and a driving mechanism; the turntable is positioned at the upper part of the chassis, a disk-shaped prestress steel strand finished product bundle is supported in the turntable, and the bottom of the turntable is connected with the rotary driving mechanism; a limiting mechanism for guiding out the prestress steel strand finished product bundles is arranged on the outer side of the turntable and is supported on the chassis; the chassis is also provided with a walking driving mechanism. The beneficial effects are that: the invention can realize free running of the pay-off rack, has quick position adjustment and high efficiency, and gets rid of the dependence of traditional construction on a site crane; the turntable is driven to rotate by power, so that paying-off labor is saved, the traction force of subsequent pushing equipment is greatly reduced, and the conveying speed is improved; compact structure, convenient operation is favorable to the large tracts of land adoption and popularization of finished product bundle.
Description
Technical Field
The invention belongs to the field of construction of finished prestressed steel strand bundles, and particularly relates to a walkable pay-off stand for construction of finished prestressed steel strand bundles.
Background
In basic construction of roads, bridges and the like, a large number of prestressed steel strands are needed, for example, in bridge construction, 10-30 steel strands need to be led through each bridge prestressed duct. In the prior art, the construction method is mainly to adopt a single threading, and the steel strands are mutually wound in the pore canal, so that when the whole bundle of the steel strands in the pore canal is tensioned, the length in the pore canal is inconsistent, the tension stress of the steel strands is uneven, and a certain steel strand is broken prematurely, so that the safety of the bridge is compromised. In order to overcome the technical defects, the traffic department is promoted to adopt the prestress steel strand finished product bundle technology, steel strands are subjected to equal-length blanking according to requirements, are combed into bundles, are packaged into bundles and then are sent to the site, and are subjected to whole bundle perforation construction. The construction method solves the problem of uneven stress caused by the traditional single threading, but increases the difficulty of site construction. In particular to steel strand paying-off construction, because of the problems of large weight of bundled finished product bundles, strong resilience force, multiple conveying channels and the like, the existing construction equipment cannot meet the construction requirements, greatly reduces the construction efficiency and severely restricts the popularization and application of the finished product bundles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the walking pay-off stand for construction of the prestressed steel strand finished product bundle, which can freely walk, replace manual conveying of the prestressed steel strand finished product bundle by power, improve conveying speed and solve the problem that the steel strand is difficult to pull out due to channel blockage in construction.
The technical scheme for solving the technical problems is as follows: the utility model provides a but prestressing force steel strand wires finished product bundle construction is with walking pay off rack, but walking pay off rack includes: the device comprises a chassis, a turntable, a limiting mechanism and a driving mechanism; the turntable is positioned at the upper part of the chassis, a disk-shaped prestress steel strand finished product bundle is supported in the turntable, and the bottom of the turntable is connected with the rotary driving mechanism; a limiting mechanism for guiding out the prestress steel strand finished product bundles is arranged on the outer side of the turntable and is supported on the chassis; the chassis is also provided with a walking driving mechanism.
The preferable scheme is as follows: the chassis is also provided with a plurality of chassis supporting cylinders for limiting the movement of the chassis.
The preferable scheme is as follows: the rotary driving mechanism comprises a driving gear and a driven gear sleeve which are meshed with each other; the driving gear is connected with an output shaft of a motor, and the motor is arranged on the chassis; the driven gear sleeve is fixed at the bottom of the turntable, the inner ring of the driven gear 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 preferable scheme is as follows: the chassis comprises a chassis outer frame and a chassis inner bracket arranged in the chassis outer frame; the motor is fixed on the bracket in the chassis; the bottom of the inner ring is connected with a bottom plate, and the bottom plate is fixed on the inner bracket of the chassis.
The preferable scheme is as follows: the travel drive mechanism includes: a front wheel and two rear wheels; the two rear wheels are respectively hinged at symmetrical positions on two sides of one end of the chassis; the front wheel is arranged at the other end of the chassis and fixed on a front wheel shaft, the front wheel shaft is connected with a walking motor, two ends of the front wheel shaft are hinged and supported on a front wheel frame, the upper part of the front wheel frame is hinged on a front wheel bracket of the chassis, and a turning cylinder is hinged between the lower part of the front wheel frame and the chassis.
The preferable scheme is as follows: the cylinder body of the turning cylinder is hinged on the chassis, and the piston rod of the turning cylinder is hinged on the front wheel frame.
The preferable scheme is as follows: the limiting mechanism comprises a limiting main frame, the lower part of the limiting main frame is arranged on the chassis, and a through hole through which the prestressed steel strand finished product bundle passes is formed in the upper part of the limiting main frame.
The preferable scheme is as follows: the through hole on the upper part of the limiting main frame consists of a pair of horizontal rollers arranged horizontally at intervals and a pair of vertical rollers arranged vertically at intervals, two ends of the pair of horizontal rollers and two ends of the pair of vertical rollers are respectively fixed on the limiting main frame, and roller sleeves capable of rotating freely are respectively arranged on the pair of horizontal rollers and the pair of vertical rollers.
The preferable scheme is as follows: the turntable comprises a tray frame and more than two fixing frames; the tray frame is a circular frame with a U-shaped cross section, and more than two fixing frames are uniformly distributed at the position equidistant from the center of the tray frame (2 a).
The invention has the beneficial effects that:
1. the invention can realize free running of the pay-off rack, has quick position adjustment and high efficiency, and gets rid of the dependence of traditional construction on a site crane.
2. The paying-off turntable is driven to rotate by power, so that paying-off is labor-saving, the traction force of subsequent pushing equipment is greatly reduced, and the conveying speed is improved.
3. The invention has compact structure and convenient operation, and is beneficial to large-area adoption and popularization of finished product bundles.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1, partially in section, showing the configuration of the driving and driven gear housings of the rotary drive mechanism;
FIG. 3 is a left side view of FIG. 1 showing the construction of the travel drive mechanism;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is an enlarged view of section I of FIG. 4;
fig. 6 is a sectional view of B-B in fig. 1.
Description of the sequence numbers in the drawings
1: a chassis; 1a: a chassis outer frame; 1b: a bottom plate; 1c: a chassis support cylinder; 1d: a front wheel bracket; 1e: a chassis inner bracket; 2: a turntable; 2a: a tray rack; 2b: a fixing frame; 3: a walking driving mechanism; 3a, front wheels; 3b: a front axle; 3c: a front wheel frame; 3d: a walking motor; 3e: a turning cylinder; 3f: a rear wheel; 1h: a bracket rod; 4: a rotary driving mechanism; 4a: a driven gear sleeve; 4b: a ball; 4c: an inner ring; 4d: a drive gear; 4e: a motor; 5: a limiting mechanism; 5a: a limit main frame; 5b: a horizontal roller; 5c: a vertical roller; 6: prestress steel strand finished product bundles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following examples.
As shown in fig. 1 to 4, the invention discloses a walkable pay-off rack for construction of a prestressed steel strand finished product bundle, the walkable pay-off rack comprises: chassis 1, carousel 2, stop gear 5 and actuating mechanism. The turntable 2 is positioned at the upper part of the chassis 1, a disk-shaped prestress steel strand finished product bundle 6 is supported in the turntable 2, and the bottom of the turntable 2 is connected with the rotary driving mechanism 4; a limiting mechanism 5 for guiding out the prestress steel strand finished product bundles 6 is arranged on the outer side of the turntable 2, and the limiting mechanism 5 is supported on the chassis 1; the chassis 1 is also provided with a walking driving mechanism 3.
The chassis 1 is also provided with a plurality of chassis supporting cylinders 1c for limiting the movement of the chassis 1.
Specifically, as shown in fig. 1 to 4, the chassis supporting cylinder 1c has four cylinders uniformly distributed on the outer side edge of the chassis 1, the cylinder body of the chassis supporting cylinder 1c is fixed on the outer side edge of the chassis 1, and the end of the piston rod of the chassis supporting cylinder 1c extends downwards to the ground for limiting the movement of the fixed chassis 1.
As shown in fig. 1 to 5, the rotary drive mechanism 4 includes a driving gear 4d and a driven gear housing 4a that are meshed with each other; the driving gear 4d is connected with an output shaft of a motor 4e, and the motor 4e is arranged on the chassis 1; the driven gear sleeve 4a is welded and fixed at the bottom of the turntable 2, the inner ring of the driven gear sleeve 4a rolls along the outer edge of the inner ring 4c through a plurality of balls 4b, and the bottom of the inner ring 4c is welded and fixed on the chassis 1.
The chassis 1 comprises a chassis outer frame 1a and a chassis inner bracket 1e arranged in the chassis outer frame 1 a; the motor 4e is fixed on the side surface of the bracket 1e in the chassis; the bottom of the inner ring 4c is welded with a bottom plate 1b, and the bottom plate 1b is welded and fixed on the top surface of the inner bracket 1e of the chassis.
As shown in fig. 1 to 4, the travel drive mechanism 3 includes: one front wheel 3a and two rear wheels 3f. The two rear wheels 3f are respectively hinged at symmetrical positions at two sides of one end of the chassis 1; the front wheel 3a is arranged in the middle of the other end of the chassis 1 and is fixed on a front wheel shaft 3b, the front wheel shaft 3b is connected with a walking motor 3d, two ends of the front wheel shaft 3b are hinged and supported on a front wheel frame 3c, the upper part of the front wheel frame 3c is hinged and supported on a front wheel bracket 1d of the chassis 1, and a turning cylinder 3e is hinged between the lower part of the front wheel frame 3c and the chassis 1.
The cylinder body of the turning cylinder 3e is hinged on the chassis 1, and the piston rod of the turning cylinder 3e is hinged on the front wheel frame 3 c.
More specifically, the middle part of the other end of the chassis 1 supports a front wheel bracket 1d with bending upwards, a bracket rod 1h is protruded from the front wheel bracket 1d towards the front wheel frame 3c, and the bracket rod 1h is hinged at the upper part of the front wheel frame 3 c; the lower part of the front wheel frame 3c in an inverted U shape is hinged to support two ends of the front wheel shaft 3b, the outer side face of the front wheel frame 3c is hinged to a piston rod of a turning cylinder 3e, and a cylinder body of the turning cylinder 3e is hinged to an outer frame 1a of the chassis 1.
The limiting mechanism 5 comprises a limiting main frame 5a, the lower part of the limiting main frame 5a is arranged on the chassis 1, and a through hole through which the prestressed steel strand finished product bundle 6 passes is formed in the upper part of the limiting main frame 5 a.
The through hole at the upper part of the limiting main frame 5a is composed of a pair of horizontal rollers 5b which are arranged horizontally at intervals and a pair of vertical rollers 5c which are arranged vertically at intervals, two ends of the pair of horizontal rollers 5b and two ends of the pair of vertical rollers 5c are respectively fixed on the limiting main frame 5a, and roller sleeves capable of freely rotating are respectively arranged on the pair of horizontal rollers 5b and the pair of vertical rollers 5 c.
The turntable 2 comprises a turntable frame 2a and more than two fixed frames 2b; the tray frame 2a is a circular frame with a U-shaped cross section, and more than two fixing frames 2b are uniformly distributed at the position equidistant from the center of the tray frame 2 a. In fig. 2, 4 holders 2b are shown for holding finished bundles 6 of prestressed steel strands.
The construction process of the invention is described as follows:
firstly, a traveling motor 3d and a turning cylinder 3e of a traveling driving mechanism 3 are started, the walkable pay-off rack is adjusted to a position facing a prestressed duct on a construction site, and then the walkable pay-off rack is jacked up and fixed on the ground through a chassis supporting cylinder 1c. And hoisting the finished prestressed steel strand 6 into the tray frame 2a in a tray bundle manner, dismantling the tray bundle package, pulling the front ends of the finished prestressed steel strand 6 out of the holes between the pair of transverse rollers 5b and the pair of vertical rollers 5c of the limiting mechanism 5, and pulling and pushing forward by subsequent pushing construction equipment. At the same time of opening the pushing device, the motor 4e of the rotary driving mechanism 4 is opened, so that the turntable 2 is driven to rotate, and the finished bundle 6 of the bundled prestressed steel strands is released.
If the pushing of the prestressed steel strand finished product bundle 6 is problematic, the prestressed steel strand finished product bundle 6 can be retracted back into the turntable 2 by reversing the motor 4e of the rotary driving mechanism 4 for subsequent paying-off construction.
And (5) paying off construction is carried out sequentially, and the whole finished product bundle paying off work is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. The utility model provides a but prestressing force steel strand wires finished product bundle construction is with walking pay off rack, its characterized in that, but walking pay off rack includes: the device comprises a chassis (1), a turntable (2), a limiting mechanism (5) and a driving mechanism; the turntable (2) is positioned at the upper part of the chassis (1), a disc-shaped prestress steel strand finished product bundle (6) is supported in the turntable, and the bottom of the turntable is connected with the rotary driving mechanism (4); a limiting mechanism (5) for guiding the prestress steel strand finished product bundles (6) to be led out is arranged on the outer side of the turntable (2), and the limiting mechanism (5) is supported on the chassis (1); a walking driving mechanism (3) is also arranged on the chassis (1);
the chassis (1) is also provided with a plurality of chassis supporting cylinders (1 c) for limiting the movement of the chassis (1);
the rotary driving mechanism (4) comprises a driving gear (4 d) and a driven gear sleeve (4 a) which are meshed with each other; the driving gear (4 d) is connected with an output shaft of a motor (4 e), and the motor (4 e) is arranged on the chassis (1); the driven gear sleeve (4 a) is fixed at the bottom of the turntable (2), the inner ring of the driven gear sleeve (4 a) rolls along the outer edge of the inner ring (4 c) through a plurality of balls (4 b), and the bottom of the inner ring (4 c) is fixed on the chassis (1);
the chassis (1) comprises a chassis outer frame (1 a) and a chassis inner bracket (1 e) arranged in the chassis outer frame (1 a); the motor (4 e) is fixed on the chassis inner bracket (1 e); the bottom of the inner ring (4 c) is connected with a bottom plate (1 b), and the bottom plate (1 b) is fixed on a bracket (1 e) in the chassis;
the travel drive mechanism (3) comprises: a front wheel (3 a) and two rear wheels (3 f); the two rear wheels (3 f) are respectively hinged at symmetrical positions on two sides of one end of the chassis (1); the front wheel (3 a) is arranged at the other end of the chassis (1) and is fixed on a front wheel shaft (3 b), the front wheel shaft (3 b) is connected with a walking motor (3 d), two ends of the front wheel shaft (3 b) are hinged and supported on a front wheel frame (3 c), the upper part of the front wheel frame (3 c) is hinged and supported on a front wheel bracket (1 d) of the chassis (1), and a turning cylinder (3 e) is hinged between the lower part of the front wheel frame (3 c) and the chassis (1);
the cylinder body of the turning cylinder (3 e) is hinged on the chassis (1), and the piston rod of the turning cylinder (3 e) is hinged on the front wheel frame (3 c);
the limiting mechanism (5) comprises a limiting main frame (5 a), the lower part of the limiting main frame (5 a) is arranged on the chassis (1), and a through hole through which the prestressed steel strand finished product bundle (6) passes is formed in the upper part of the limiting main frame (5 a);
the through hole at the upper part of the limiting main frame (5 a) is formed by a pair of horizontal rollers (5 b) which are arranged horizontally at intervals and a pair of vertical rollers (5 c) which are arranged vertically at intervals, two ends of the pair of horizontal rollers (5 b) and two ends of the pair of vertical rollers (5 c) are respectively fixed on the limiting main frame (5 a), and roller sleeves capable of freely rotating are respectively arranged on the pair of horizontal rollers (5 b) and the pair of vertical rollers (5 c);
the turntable (2) comprises a turntable frame (2 a) and more than two fixed frames (2 b); the tray frame (2 a) is a circular frame with a U-shaped cross section, and more than two fixing frames (2 b) are uniformly distributed at the position equidistant from the center of the tray frame (2 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228684.3A CN109823927B (en) | 2019-03-25 | 2019-03-25 | Walking pay-off rack for construction of prestressed steel strand finished product bundles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228684.3A CN109823927B (en) | 2019-03-25 | 2019-03-25 | Walking pay-off rack for construction of prestressed steel strand finished product bundles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823927A CN109823927A (en) | 2019-05-31 |
| CN109823927B true CN109823927B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910228684.3A Active CN109823927B (en) | 2019-03-25 | 2019-03-25 | Walking pay-off rack for construction of prestressed steel strand finished product bundles |
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| CN (1) | CN109823927B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08324894A (en) * | 1995-05-30 | 1996-12-10 | Kandenko Co Ltd | Reel for linear body wound bundle |
| JP2001139234A (en) * | 1999-11-09 | 2001-05-22 | Nippon Denwa Shisetsu Co Ltd | Steel stranded wire drawing-out device |
| CN203064915U (en) * | 2011-11-18 | 2013-07-17 | 姬振华 | Disc-type automatic line-outgoing device for anchor cable steel strands |
| CN203428661U (en) * | 2013-07-08 | 2014-02-12 | 陕西煤业化工建设（集团）有限公司 | Safe disassembling pay-off device for steel strand |
| CN203624737U (en) * | 2013-11-30 | 2014-06-04 | 国家电网公司 | Mobile electric rope winder |
| CN205045616U (en) * | 2015-10-09 | 2016-02-24 | 中交第三航务工程局有限公司宁波分公司 | Plumb -line frame device |
| CN206384666U (en) * | 2017-05-23 | 2017-08-08 | 淮安金鑫传动机械有限公司 | Steel strand layer winder |
| CN107187955A (en) * | 2017-05-24 | 2017-09-22 | 国网北京市电力公司 | Oil thread rope coiling apparatus |
| CN108190658A (en) * | 2017-12-13 | 2018-06-22 | 国网内蒙古东部电力有限公司通辽供电公司 | Multi-thread synchronous and asynchronous paying out machine |
| CN207658874U (en) * | 2017-09-04 | 2018-07-27 | 徐工集团工程机械有限公司 | Flexible pipe line capstan winch and piling machinery equipment |
| CN108975087A (en) * | 2018-07-18 | 2018-12-11 | 浙江大学 | It is a kind of to lay recycling winch for the multi-direction of cable-type sensor |
| CN210236774U (en) * | 2019-03-25 | 2020-04-03 | 真势兴技术股份有限公司 | Walking pay-off rack for construction of prestressed steel strand finished product bundle |
-
2019
- 2019-03-25 CN CN201910228684.3A patent/CN109823927B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08324894A (en) * | 1995-05-30 | 1996-12-10 | Kandenko Co Ltd | Reel for linear body wound bundle |
| JP2001139234A (en) * | 1999-11-09 | 2001-05-22 | Nippon Denwa Shisetsu Co Ltd | Steel stranded wire drawing-out device |
| CN203064915U (en) * | 2011-11-18 | 2013-07-17 | 姬振华 | Disc-type automatic line-outgoing device for anchor cable steel strands |
| CN203428661U (en) * | 2013-07-08 | 2014-02-12 | 陕西煤业化工建设（集团）有限公司 | Safe disassembling pay-off device for steel strand |
| CN203624737U (en) * | 2013-11-30 | 2014-06-04 | 国家电网公司 | Mobile electric rope winder |
| CN205045616U (en) * | 2015-10-09 | 2016-02-24 | 中交第三航务工程局有限公司宁波分公司 | Plumb -line frame device |
| CN206384666U (en) * | 2017-05-23 | 2017-08-08 | 淮安金鑫传动机械有限公司 | Steel strand layer winder |
| CN107187955A (en) * | 2017-05-24 | 2017-09-22 | 国网北京市电力公司 | Oil thread rope coiling apparatus |
| CN207658874U (en) * | 2017-09-04 | 2018-07-27 | 徐工集团工程机械有限公司 | Flexible pipe line capstan winch and piling machinery equipment |
| CN108190658A (en) * | 2017-12-13 | 2018-06-22 | 国网内蒙古东部电力有限公司通辽供电公司 | Multi-thread synchronous and asynchronous paying out machine |
| CN108975087A (en) * | 2018-07-18 | 2018-12-11 | 浙江大学 | It is a kind of to lay recycling winch for the multi-direction of cable-type sensor |
| CN210236774U (en) * | 2019-03-25 | 2020-04-03 | 真势兴技术股份有限公司 | Walking pay-off rack for construction of prestressed steel strand finished product bundle |
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| CN109823927A (en) | 2019-05-31 |
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