CN109823924A - 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
- Publication number
- CN109823924A CN109823924A CN201910227974.6A CN201910227974A CN109823924A CN 109823924 A CN109823924 A CN 109823924A CN 201910227974 A CN201910227974 A CN 201910227974A CN 109823924 A CN109823924 A CN 109823924A
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- China
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- finished product
- turntable
- chassis
- steel strand
- product beam
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 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
- 230000008450 motivation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Abstract
The invention discloses a pay-off stand for construction of a prestressed steel strand finished product bundle, which comprises: 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 paying-off turntable can not only carry out rotary paying-off, but also carry out reverse take-up, and solves the problems of difficult steel strand pulling-out and the like caused by blockage of a pore in construction; the invention has compact structure and convenient operation, and is beneficial to large-area application and popularization of finished product bundles.
Description
Technical field
The invention patent belongs to prestress wire finished product beam construction field more particularly to a kind of prestress wire
Pay off rack is used in the construction of finished product beam.
Background technique
In the capital construction such as road, bridge construction, a large amount of prestress wires are needed, such as in bridge construction, each
Bridge prestress pore channel needs to connect 10~30 steel strand wires.Prior art bridge construction mostly use it is single connect, this construction
Method is since steel strand wires are mutually wound in duct, when will cause duct steel strand integral bundle tensioning, since length is different in duct
It causes, causes steel strand tension Stress non-homogeneity, cause certain root steel strand wires premature failure, endanger bridge security.To overcome above-mentioned skill
Art defect, Ministry of Communications, which promotes, uses prestress wire finished product beam technology, and by steel strand wires isometric blanking as required, comb weaves into beam,
Scene, whole beam perforation construction are dealt into after bundled packing.This construction method solves tradition and single connects caused unbalanced stress
Even problem, but increase the difficulty of site operation.Especially steel strand wires payingoff construction is returned since bundled finished product Shu Chongliang is big
The problems such as resilient beam and more conveying duct, existing construction equipment is unable to satisfy construction requirement, and construction efficiency is greatly reduced, serious to make
The about promotion and application of finished product beam.
Summary of the invention
It is an object of the invention to overcome the defect of the above-mentioned prior art, provides and a kind of answered in advance with motive force substitute artificial conveyance
Power steel strand finished beam, improves conveying speed, and one kind that steel strand wires caused by duct blocks in solution construction extract difficulty is answered in advance
Pay off rack is used in the construction of power steel strand finished beam.
The technical solution for solving above-mentioned technical problem is: a kind of prestress wire finished product beam construction pay off rack, described
Pay off rack includes: chassis, turntable, rotary drive mechanism and position-limit mechanism；The turntable is located at chassis upper, inner support plate-like
Prestress wire finished product beam, bottom connect rotary drive mechanism；Guidance prestress steel is provided on the outside of the turntable
Position-limit mechanism derived from twisted wire finished product beam, the position-limit mechanism are supported on chassis.
Preferred embodiment is: the rotary drive mechanism includes intermeshing driving gear and driven gear housing；It is described
Driving gear connects the output shaft of motor, and motor is arranged on chassis；The driven gear housing is fixed on turntable bottom, driven
Outer rim of the inner ring of gear jacket by multiple balls along inner ring rolls, and the inner ring bottom is fixed on chassis.
Preferred embodiment is: the chassis includes outer framework and the inner support that is arranged in outer framework；The motor is fixed on
On inner support；The bottom of the inner ring connects a bottom plate, and bottom plate is fixed on inner support.
Preferred embodiment is: the position-limit mechanism includes limit main frame, and limit main frame lower part is arranged on chassis, limit
Main frame top is provided with the through-hole that prestress wire finished product beam passes through.
Preferred embodiment is: the through-hole on the limit main frame top is by the horizontal barrel roll of a pair of of interval setting and a pair of of interval
Vertical perpendicular roller is arranged to constitute, the both ends of the both ends of the pair of barrel roll and a pair of perpendicular roller are separately fixed on limit main frame,
The roller set that can be freely rotated is respectively arranged on the pair of barrel roll and on a pair of perpendicular roller.
Preferred embodiment is: the turntable includes plate rail and more than two fixed frames；The plate rail is that a cross section is U-shaped
Type circular frame, it is described two to be evenly arranged on upper holder away from plate rail center equidistant.
Beneficial effects of the present invention:
1, the present invention drives turntable rotation to make prestress wire finished product beam unwrapping wire by rotary drive mechanism, and unwrapping wire saves
Power significantly reduces the tractive force of subsequent pushing equipment, improves conveying speed.
2, paying-off turntable of the present invention can not only rotate unwrapping wire, can also invert take-up, and it is stifled to can solve duct in construction
Steel strand wires caused by filling in extract the problems such as difficult.
3, structure of the invention is compact, easy to operate, and the large area for being conducive to finished product beam is used and promoted.
Detailed description of the invention
Fig. 1 is main view of the present invention；
Fig. 2 is the top view of Fig. 1, and partial cutaway shows driving gear and the outer noose of driven gear in rotary drive mechanism in figure
Structure；
Fig. 3 is the A-A cross-sectional view in Fig. 2；
Fig. 4 is the portion I enlarged drawing in Fig. 3；
Fig. 5 is B-B cross-sectional view in Fig. 1.
" number explanation in attached drawing "
1: chassis；1a: outer framework；1b: inner support；1c: bottom plate；2: turntable；2a: plate rail；2b: fixed frame；3: rotation is driven
Motivation structure；3a: driven gear housing；3b: ball；3c: inner ring；3d: driving gear；3e: motor；4: position-limit mechanism；4a: limit
Main frame；4b: barrel roll；4c: perpendicular roller；5: prestress wire finished product beam.
Specific embodiment
In order to keep the objectives, technical solutions, and advantages of the present invention clearer, the present invention is carried out with reference to embodiments
It is further described.
As shown in Figure 1 and Figure 2, the present invention discloses a kind of prestress wire finished product beam construction pay off rack, the pay off rack
It include: chassis 1, turntable 2, rotary drive mechanism 3 and position-limit mechanism 4；The turntable 2 is located at 1 top of chassis, the interior branch of turntable 2
The bottom of support plate shape prestress wire finished product beam 5, turntable 2 connects rotary drive mechanism 3；It is arranged in the outside of the turntable 2
There is position-limit mechanism 4 derived from guidance prestress wire finished product beam 5, the position-limit mechanism 4 is supported on chassis 1.
The rotary drive mechanism 3 includes driving gear 3d, driven gear housing 3a, motor 3e, multiple ball 3b, inner ring
3c.Wherein driving gear 3d and driven gear housing 3a intermeshing；The output shaft of the driving gear 3d connection motor 3e, horse
It is fixed on chassis 1 up to 3e；The driven gear housing 3a is fixed on 2 bottom of turntable, the inner ring of driven gear housing 3a
It is rolled by multiple ball 3b along the outer rim of inner ring 3c, the bottom the inner ring 3c is fixed on chassis 1.Above structure motor moves
Power is transmitted to turntable 2 after driving the rotation of driven gear housing by driving gear, is able to achieve the rotation of turntable 2 and drives entire prestressing force
The conveying of steel strand finished beam 5.
The chassis 1 includes outer framework 1a and the inner support 1b being arranged in outer framework 1a；In the motor 3e is fixed on
On bracket 1b；The bottom of the inner ring 3c connects a bottom plate 1c, and bottom plate 1c is fixed on above inner support 1b.
As shown in Figures 2 to 4, more specifically, outer framework 1a is a square frame, inner support 1b is along outer framework 1a
Diagonal line setting；Motor 3e is fixed on the side inner support 1b；Inner ring 3c is fixed on the top surface inner support 1b, and inner ring 3c is by interior branch
Frame 1b support.
The position-limit mechanism 4 includes limit main frame 4a, and the limit lower part main frame 4a is arranged on chassis 1, limits main frame
The top frame 4a is provided with the through-hole that prestress wire finished product beam 5 passes through.
As shown in Figure 1, shown in Figure 5, the through-hole on the limit top main frame 4a by it is a pair of be spaced the horizontal barrel roll 4b of setting and
Setting vertical perpendicular roller 4c in a pair of interval is constituted, and the both ends of the both ends of the pair of barrel roll 4b and a pair of perpendicular roller 4c are separately fixed at
It limits on main frame 4a, is not provided with roller set (the roller set that can be freely rotated on the pair of barrel roll 4b and on a pair of perpendicular roller 4c
Structure on barrel roll and perpendicular roller is hinged on using the prior art), prestress wire finished product beam 5 from barrel roll 4b and perpendicular roller 4c it
Between pull out, rotate with it roller set when prestress wire finished product beam 5 is encountered when moving through and can be reduced frictional resistance.
The turntable 2 includes plate rail 2a and more than two fixed frame 2b；The plate rail 2a is that a cross section is round for U-shaped
Shape frame, it is described two to be evenly arranged on upper holder 2b away from the center plate rail 2a equidistant.Show that fixed frame 2b there are 4 in Fig. 2,
For fixing prestress wire finished product beam 5.
Work progress of the present invention is explained as follows below:
Firstly, pay off rack of the present invention is adjusted to the position towards prestressed pore passage on building site, then by prestress steel twist
5 disk of line finished product beam bundle is lifted into plate rail 2a, removes disk bale packaging, by 5 front end of prestress wire finished product beam from position-limit mechanism 4
A pair of of barrel roll 4b and a pair of perpendicular roller 4c between pull out in hole, from subsequent push construction equipment to front haulage push.It is pushing away
While sending equipment to open, the motor 3e of rotary drive mechanism 3 in the present invention is opened, so that turntable 2 be driven to rotate, is discharged bundled
Prestress wire finished product beam 5.
If the push of prestress wire finished product beam 5 encounters problems, can be inverted by 3 motor 3e of rotary drive mechanism,
Prestress wire finished product beam 5 is recovered to again in turntable 2, in case subsequent payingoff construction.Successively payingoff construction is completed entire
Finished product beam setting-out work.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of prestress wire finished product beam construction pay off rack, which is characterized in that the pay off rack includes: chassis (1), turns
Disk (2), rotary drive mechanism (3) and position-limit mechanism (4)；The turntable (2) is located at chassis (1) top, and inner support plate-like is pre-
Prestress steel strand finished product beam (5), bottom connect rotary drive mechanism (3)；It is pre- that guidance is provided on the outside of the turntable (2)
Position-limit mechanism (4) derived from prestress steel strand finished product beam (5), the position-limit mechanism (4) are supported on chassis (1).
2. a kind of prestress wire finished product beam construction pay off rack according to claim 1, which is characterized in that described
Rotary drive mechanism (3) includes intermeshing driving gear (3d) and driven gear housing (3a)；The driving gear (3d)
The output shaft of motor (3e) is connected, motor (3e) is arranged on chassis (1)；The driven gear housing (3a) is fixed on turntable
(2) bottom, outer rim of the inner ring of driven gear housing (3a) by multiple balls (3b) along inner ring (3c) roll, the inner ring
The bottom (3c) is fixed on chassis (1).
3. a kind of prestress wire finished product beam construction pay off rack according to claim 2, which is characterized in that described
Chassis (1) includes the inner support (1b) of outer framework (1a) and setting in outer framework (1a)；The motor (3e) is fixed on interior branch
On frame (1b)；The bottom of the inner ring (3c) connects a bottom plate (1c), and bottom plate (1c) is fixed on inner support (1b).
4. a kind of prestress wire finished product beam construction pay off rack according to claim 1, which is characterized in that described
Position-limit mechanism (4) includes limit main frame (4a), and the limit main frame lower part (4a) is arranged on chassis (1), limits main frame
The top (4a) is provided with the through-hole that prestress wire finished product beam (5) passes through.
5. a kind of prestress wire finished product beam construction pay off rack according to claim 4, which is characterized in that described
Limit the through-hole on the top main frame (4a) the perpendicular roller vertical by a pair of barrel roll (4b) for being spaced setting level and a pair of of interval setting
(4c) is constituted, and the both ends of the both ends of the pair of barrel roll (4b) and a pair of perpendicular roller (4c) are separately fixed at limit main frame (4a)
On, the roller set that can be freely rotated is respectively arranged on the pair of barrel roll (4b) and on a pair of perpendicular roller (4c).
6. a kind of prestress wire finished product beam construction pay off rack according to claim 1, which is characterized in that described
Turntable (2) includes plate rail (2a) and more than two fixed frames (2b)；The plate rail (2a) is that a cross section is U-shaped circular frame
Frame, it is described two to be evenly arranged on upper holder (2b) away from the center plate rail (2a) equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227974.6A CN109823924B (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227974.6A CN109823924B (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823924A true CN109823924A (en) | 2019-05-31 |
| CN109823924B CN109823924B (en) | 2024-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910227974.6A Active CN109823924B (en) | 2019-03-25 | 2019-03-25 | Pay-off rack for construction of prestressed steel strand finished product bundles |
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| Country | Link |
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| CN (1) | CN109823924B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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-
2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Publication date |
|---|---|
| CN109823924B (en) | 2024-01-23 |
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