CN209957153U - Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles - Google Patents
Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles Download PDFInfo
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- CN209957153U CN209957153U CN201920382187.4U CN201920382187U CN209957153U CN 209957153 U CN209957153 U CN 209957153U CN 201920382187 U CN201920382187 U CN 201920382187U CN 209957153 U CN209957153 U CN 209957153U
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Abstract
The utility model discloses a construction of prestressing force steel strand wires finished product bundle is with walking and freely going up and down pay off rack, its structure 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 and comprises a disc frame for supporting the disc-shaped prestressed steel strand finished product bundle, the disc bottom at the bottom of the disc frame is connected with a rotary driving mechanism, and a lifting guardrail which can lift up and down along the disc frame is sleeved on the outer side of the disc frame; one side of the turntable is provided with a limiting mechanism for guiding the prestressed steel strand finished product bundle out, and the limiting mechanism is supported on the chassis; the chassis is provided with a traveling driving mechanism. The beneficial effects are that: the free walking of the pay-off rack can be realized, the position adjustment is fast, and the efficiency is high; the paying-off construction of finished product bundles with different heights is adapted, and a plurality of finished product bundles can be paid off at the same time; the paying-off turntable is driven by power to rotate, so that paying-off is labor-saving, the traction force of subsequent pushing equipment is greatly reduced, and the conveying speed is improved; compact structure, convenient operation, and is beneficial to large-area application and popularization of finished product bundles.
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 prestressing force steel strand wires finished product bundle construction is with walking and freely going up and down pay off rack.
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. In addition, the tray frame in the prior art is not suitable for paying off construction of the disc-shaped steel strand finished product bundles, and is easy to slide when a plurality of disc-shaped steel strand finished product bundles are stacked.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's defect, provide a pay off rack can freely walk, replace artifical prestressing force steel strand wires finished product bundle of carrying with power, improve conveying speed, solve in the construction stack easy landing of a plurality of disc steel strand wires finished product bundles and pore block up the steel strand wires that arouse and extract a difficulty prestressing force steel strand wires finished product bundle construction with can walk and freely go up and down the pay off rack.
The technical scheme for solving the technical problems is as follows: the utility model provides a construction of prestressing force steel strand finished product bundle is with walking and freely going up and down pay off rack, can walk and freely go up and down the pay off rack and include: 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 and comprises a disc frame for supporting the disc-shaped prestressed steel strand finished product bundles, the disc bottom at the bottom of the disc frame is connected with a rotary driving mechanism, and a lifting guardrail capable of lifting up and down along the disc frame is sleeved on the outer side of the disc frame; one side of the turntable is provided with a limiting mechanism for guiding the prestressed steel strand finished product bundle out, and the limiting mechanism is supported on the chassis; and a traveling driving mechanism is also arranged on the chassis.
The preferred scheme is as follows: the chassis is also provided with a plurality of chassis supporting cylinders for limiting the chassis to move.
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 to the bottom of the chassis bottom, 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 to the chassis.
The preferred scheme is as follows: the chassis comprises a chassis outer frame and a chassis inner support arranged in the chassis outer frame; the motor is fixed on the inner support of the chassis; the bottom of the inner ring is connected with a bottom plate, and the bottom plate is fixed on a support in the chassis.
The preferred 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 traveling 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 preferred 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 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 lifting guardrail is a sleeve, the inner side of the sleeve is sleeved outside the plate frame, the outer edge of the lifting guardrail is connected with piston rods of more than 2 lifting cylinders, and cylinder bodies of the lifting cylinders are fixed on the plate bottom of the plate frame.
The preferred scheme is as follows: the tray frame is a circular frame with a U-shaped cross section, and more than two fixing frames are uniformly distributed and fixed on the tray bottom of the tray frame at equal intervals from the center of the tray frame.
The utility model has the advantages that:
1. the utility model discloses can realize the free walking and the free lift of pay off rack, position adjustment is fast, efficient, breaks away from the dependence of traditional construction to the building site crane.
2. The utility model discloses adapt to the unwrapping wire construction that different high prestressing force steel strand wires finished product bundles were tied, can stack many bundles of prestressing force steel strand wires finished product bundles simultaneously, efficiency improves by a wide margin.
3. The utility model discloses the unwrapping wire carousel is rotatory for power drive, and the unwrapping wire is laborsaving, has reduced follow-up propelling movement equipment's traction force by a wide margin, improves conveying speed.
4. 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 left side view of FIG. 1 showing the construction of the travel drive mechanism;
FIG. 4 is a 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 taken along line B-B in fig. 1.
Serial number description in the drawings
1: a chassis; 1 a: a chassis outer frame; 1 b: a base plate; 1 c: a chassis support cylinder; 1 d: a front wheel bracket; 1 e: a support in the chassis; 2: a turntable; 2 a: a tray frame; 2 b: lifting the guard bar; 2 c: a lift cylinder; 2 d: a fixed mount; 2e, a plate bottom; 3: a travel drive mechanism; 3a, a front wheel; 3 b: a front wheel axle; 3 c: a front wheel carrier; 3 d: a travel motor; 3 e: a turning cylinder; 3 f: a rear wheel; 1 h: a support rod; 4: a rotation driving mechanism; 4 a: a driven gear is sleeved; 4 b: a ball bearing; 4 c: an inner ring; 4 d: a driving gear; 4 e: a motor; 5: a limiting mechanism; 5 a: a main limiting frame; 5 b: a transverse roller; 5 c: a vertical roller; 6: 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 to 4, the utility model discloses a construction of prestressing force steel strand wires finished product bundle is with walking and freely going up and down pay off rack, can walk and freely go up and down the pay off rack include: 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, the turntable 2 comprises a disc frame 2a for supporting a disc-shaped prestressed steel strand finished product bundle 6, a disc bottom 2e at the bottom of the disc frame 2a is connected with a rotary driving mechanism 4, and a lifting guardrail 2b which can lift up and down along the disc frame 2a is sleeved on the outer side of the disc frame 2 a; a limiting mechanism 5 for guiding the prestressed steel strand finished product bundle 6 out is arranged on one 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 1c for limiting the chassis 1 to move.
As shown in fig. 1 to 4, specifically, the chassis support cylinder 1c has four cylinders uniformly distributed on the outer edge of the chassis 1, the cylinder body of the chassis support cylinder 1c is fixed on the outer edge of the chassis 1, and the piston rod of the chassis support cylinder 1c extends downwards to open the end thereof to the ground, so as to limit the movement of the fixed chassis 1.
As shown in fig. 1 to 5, the rotary drive mechanism 4 includes a drive gear 4d and a driven gear housing 4a that are engaged 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 outer sleeve 4a is welded and fixed at the bottom of the chassis bottom 2e, an inner ring of the driven gear outer sleeve 4a rolls along the outer edge of an 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 support 1e arranged in the chassis outer frame 1 a; the motor 4e is fixed on the side surface of the inner bracket 1e of the chassis; the bottom of the inner ring 4c is connected with a bottom plate 1b in a welding mode, and the bottom plate 1b is fixedly welded on the top face of a support 1e in the chassis.
As shown in fig. 1 to 4, the travel drive mechanism 3 includes: a front wheel 3a and two rear wheels 3 f. The two rear wheels 3f are respectively hinged at symmetrical positions on 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 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 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 upwards supports a front wheel bracket 1d with a bend, a support rod 1h protrudes from the front wheel bracket 1d towards the front wheel frame 3c, and the support rod 1h is hinged on the upper part of the front wheel frame 3 c; the lower part of a front wheel frame 3c which is in the shape of an inverted U is hinged with and supports two ends of a front wheel shaft 3b, the outer side surface of the front wheel frame 3c is hinged with a piston rod of a turning cylinder 3e, and a cylinder body of the turning cylinder 3e is hinged on an outer frame 1a of the chassis 1.
The limiting mechanism 5 comprises a limiting main frame 5a, the lower portion 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 penetrates is formed in the upper portion of the limiting main frame 5 a.
The through hole on the upper part of the limiting main frame 5a is composed of a pair of horizontal transverse rollers 5b arranged at intervals and a pair of vertical rollers 5c arranged at intervals, two ends of the pair of transverse 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 transverse rollers 5b and the pair of vertical rollers 5 c.
The lifting guardrail 2b is a sleeve, the inner side of the sleeve is sleeved outside the disc frame 2a, the outer side edge of the lifting guardrail 2b is connected with piston rods of more than 2 lifting cylinders 2c, and cylinder bodies of the lifting cylinders 2c are fixed on disc bottoms 2e of the disc frame 2 a.
The disk frame 2a is a circular frame with a U-shaped cross section, and more than two fixing frames 2d are uniformly distributed and fixed on the disk bottom 2e of the disk frame 2a at equal intervals from the center of the disk frame 2 a. Fig. 2 shows that there are 4 fixing frames 2b for fixing the prestressed steel strand finished bundle 6.
As shown in fig. 1 to 4, more specifically, four lifting cylinders 2c are uniformly distributed in the drawing, a bent plate at the top of a piston rod of each lifting cylinder 2c is fixedly connected with the edge of the outer side surface of a lifting guardrail 2b, the bottom of a cylinder body of each lifting cylinder 2c is fixedly installed on the protruding part of a disc bottom 2e and rotates with a disc frame 2a, and a fixing frame 2d is used for fixing the inner ring of a disc-shaped prestressed steel strand finished bundle 6.
When a plurality of disc-shaped prestressed steel strand finished product bundles 6 need to be stacked in the disc frame 2a, piston rods of a plurality of lifting cylinders 2c extend upwards to push the lifting guardrails 2b to rise and be higher than the disc frame 2a, the lifting guardrails 2b are equivalent to the height of the disc frame 2a, the stacked disc-shaped prestressed steel strand finished product bundles 6 are fully blocked, and the lifting guardrails 2b can prevent the stacked disc-shaped prestressed steel strand finished product bundles 6 from sliding off. When the conveyed prestressed steel strand finished product bundle 6 is finished, the lifting cylinder 2c drives the piston rod to retract, and the lifting guardrail 2b moves downwards to reset.
The construction process of the present invention is explained as follows:
at first, start walking drive mechanism 3's traveling motor 3d and turn jar 3e, will the utility model discloses walkable pay off rack adjusts to the position towards prestressing force pore canal on the building site, then supports jar 1c through the chassis and will the utility model discloses walkable pay off rack jack-up is fixed subaerial. And then respectively hoisting the prestress steel strand finished product bundles 6 into the disc frame 2a in a disc-shaped manner, when a plurality of disc-shaped prestress steel strand finished product bundles 6 are stacked, piston rods of a plurality of lifting cylinders 2c extend upwards to push lifting guardrails 2b to rise above the disc frame 2a, then removing disc bundle packages, drawing the front ends of the prestress steel strand finished product bundles 6 out of holes between a pair of transverse rollers 5b and a pair of vertical rollers 5c of the limiting mechanism 5, and drawing and pushing the front ends by subsequent pushing construction equipment. When propelling movement equipment was opened, open the utility model discloses well rotary driving mechanism 4's motor 4e to drive carousel 2 is rotatory, releases the prestressing steel strand wires finished product bundle 6 of bundling.
If the pushing of the prestressed steel strand finished product bundle 6 is in a problem, the motor 4e of the rotary driving mechanism 4 can rotate reversely, and the prestressed steel strand finished product bundle 6 is withdrawn into 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 (10)
1. The utility model provides a construction of prestressing force steel strand products restraints is with walking and freely go up and down pay off rack which characterized in that, can walk and freely go up and down the pay off rack and include: 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) and comprises a disc frame (2a) for supporting a disc-shaped prestressed steel strand finished product bundle (6), a disc bottom (2e) at the bottom of the disc frame (2a) is connected with a rotary driving mechanism (4), and a lifting guardrail (2b) which can lift up and down along the disc frame (2a) is sleeved on the outer side of the disc frame (2 a); a limiting mechanism (5) for guiding the prestressed steel strand finished product bundle (6) out is arranged on one side of the turntable (2), and the limiting mechanism (5) is supported on the chassis (1); the chassis (1) is also provided with a traveling driving mechanism (3).
2. The walking and freely lifting pay-off rack for prestressed steel strand finished product bundle construction as claimed in claim 1, wherein a plurality of chassis supporting cylinders (1c) for limiting the chassis (1) to move are further arranged on the chassis (1).
3. The walking and freely lifting pay-off rack for prestressed steel strand finished bundle construction as claimed in claim 1, wherein said rotary driving mechanism (4) comprises a driving gear (4d) and a driven gear housing (4a) which are engaged with each other; the driving gear (4d) is connected with an output shaft of the motor (4e), and the motor (4e) is arranged on the chassis (1); the driven gear outer sleeve (4a) is fixed to the bottom of the disc bottom (2e), an inner ring of the driven gear outer sleeve (4a) rolls along the outer edge of an inner ring (4c) through a plurality of balls (4b), and the bottom of the inner ring (4c) is fixed to the chassis (1).
4. The walking and freely lifting pay-off rack for prestressed steel strand finished product bundle construction as claimed in claim 3, wherein the chassis (1) comprises a chassis outer frame (1a) and a chassis inner frame (1e) arranged in the chassis outer frame (1 a); the motor (4e) is fixed on the chassis inner support (1 e); the bottom of the inner ring (4c) is connected with a bottom plate (1b), and the bottom plate (1b) is fixed on a support (1e) in the chassis.
5. The walkable and freely liftable pay-off stand for prestressed steel strand finished product bundle construction as claimed in claim 1, wherein said walking drive mechanism (3) comprises: a front wheel (3a) and two rear wheels (3 f); the two rear wheels (3f) are respectively hinged at the symmetrical positions of two sides of one end of the chassis (1); the front wheel (3a) is arranged at the other end of the chassis (1) and 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 carrier (3c), the upper part of the front wheel carrier (3c) is hinged 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 carrier (3c) and the chassis (1).
6. The walkable and freely liftable pay-off stand for prestressed steel strand finished product bundle construction as claimed in claim 5, wherein the cylinder body of said turning cylinder (3e) is hinged on the chassis (1), and the piston rod of the turning cylinder (3e) is hinged on the front wheel carrier (3 c).
7. The walking and freely lifting pay-off rack for prestressed steel strand finished product bundle construction as claimed in claim 1, wherein 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 the upper part of the limiting main frame (5a) is provided with a through hole through which the prestressed steel strand finished product bundle (6) passes.
8. The walking and freely lifting pay-off rack for prestressed steel strand finished bundle construction as claimed in claim 7, wherein the through hole at the upper part of the main limiting frame (5a) is composed of a pair of horizontal transverse rollers (5b) arranged at intervals and a pair of vertical rollers (5c) arranged at intervals, two ends of the pair of transverse rollers (5b) and two ends of the pair of vertical rollers (5c) are respectively fixed on the main limiting frame (5a), and roller sleeves capable of freely rotating are respectively arranged on the pair of transverse rollers (5b) and the pair of vertical rollers (5 c).
9. The walkable and freely liftable pay-off stand for prestressed steel strand finished bundle construction as claimed in claim 1, wherein said lifting guardrail (2b) is a sleeve, the inner side of which is sleeved outside the plate frame (2a), the outer side edge of the lifting guardrail (2b) is connected with the piston rods of more than 2 lifting cylinders (2c), and the cylinder body of the lifting cylinder (2c) is fixed on the plate bottom (2e) of the plate frame (2 a).
10. The walkable and freely liftable pay-off stand for prestressed steel strand finished bundle construction as claimed in claim 9, wherein said plate frame (2a) is a circular frame with a U-shaped cross section, and two or more fixing frames (2d) are uniformly fixed on the plate bottom (2e) of the plate frame (2a) at equal distances from the center of the plate frame (2 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382187.4U CN209957153U (en) | 2019-03-25 | 2019-03-25 | Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382187.4U CN209957153U (en) | 2019-03-25 | 2019-03-25 | Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles |
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|---|---|
| CN209957153U true CN209957153U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920382187.4U Active CN209957153U (en) | 2019-03-25 | 2019-03-25 | Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823926A (en) * | 2019-03-25 | 2019-05-31 | 真势兴技术股份有限公司 | Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles |
-
2019
- 2019-03-25 CN CN201920382187.4U patent/CN209957153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823926A (en) * | 2019-03-25 | 2019-05-31 | 真势兴技术股份有限公司 | Walking and freely lifting pay-off rack for construction of prestressed steel strand finished product bundles |
| CN109823926B (en) * | 2019-03-25 | 2024-01-23 | 真势兴技术股份有限公司 | Walking and free lifting pay-off rack for construction of prestressed steel strand finished product bundles |
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