CN109811658A - A kind of bridge prestress tensioning trolley - Google Patents
A kind of bridge prestress tensioning trolley Download PDFInfo
- Publication number
- CN109811658A CN109811658A CN201910072292.2A CN201910072292A CN109811658A CN 109811658 A CN109811658 A CN 109811658A CN 201910072292 A CN201910072292 A CN 201910072292A CN 109811658 A CN109811658 A CN 109811658A
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- China
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- trolley
- tensioning
- lifting device
- coarse adjustment
- workbench assembly
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Abstract
The present invention relates to a kind of prestressed stretch-draw trolley, a kind of especially bridge prestress tensioning trolley.Including walking vehicle body, lifting device, workbench assembly and tensioning equipment, walking vehicle body carries workbench assembly, lifting device and tensioning equipment and is moved；Lifting device is mounted on walking vehicle body, and workbench assembly is mounted on lifting device, and tensioning equipment is placed on workbench assembly.Tensioning equipment is mobile with workbench assembly three-dimensional；Workbench assembly can be gone up and down with lifting device, from driving vertical, horizontal mobile, on platform equipped with can three-dimensional fine-tuning jack stand, carrying stretch-draw jack and the centering of tensioning pipeline.The mobile simplicity of this trolley, operation are convenient, the asynchronous problem in hydraulic lifting two sides is captured, solves the problems such as mobile difficulty of live tensioning equipment, operation is complicated, suitable operating position is provided for construction site tensioning personnel and eliminates safety operation hidden danger, there are enough work coverage areas, is applicable in various beam type.
Description
Technical field
The present invention relates to a kind of tensioning trolley, a kind of especially bridge prestress tensioning trolley.
Background technique
With the rapid development of China express railway, high-speed railway bridge manufacture mechanization, automation, intelligence are increasingly deep
Enter refinement, it is ensured that fast and safely, complete to intelligent and high-efficiency Simply supported PC beam stretching construction, become high-speed rail bridge manufacture
Key link.
There are two types of construction technologies for bridge prestress tensioning at present:
1, it is inserted into the tensioning hanger in beam-ends hanging beam hole, is rotated around hole, the vertical shift track of chain block is horizontally mounted on hanger,
Cooperate upper and lower, the mobile centering in front and rear, left and right of chain block adjustment jack, problem is: tensioning personnel can not stand
Place can only trample on exposed steel strand wires, operational hazards, and when the transposition of tensioning hanger, manually bring up to and move down from beam face,
It is time-consuming, difficult；
2, the hand pushing movable tension gantry of Patent No. CN201620090581.7 patent disclosure, chain block track is pacified
On door frame, problem is, every layer of duct is lifted a scaffold board, laborious cumbersome, and whole door frame (containing chain block and its
Track) manually elapse difficulty.
Summary of the invention
The problems such as the present invention be directed to the existing tensioning racks of bridge circle without tensioning personnel erect-position, installation and displacement difficulty, and
A kind of bridge prestress tensioning trolley for having operating platform and motor vehicle movement of offer.
The present invention is achieved by the following technical solutions:
A kind of bridge prestress tensioning trolley.Including walking vehicle body, lifting device, workbench assembly and tensioning equipment,
Walking vehicle body carries workbench assembly, lifting device and tensioning equipment and is moved；Lifting device is mounted on walking vehicle body
On, workbench assembly is mounted on lifting device, and tensioning equipment is placed on workbench assembly.Tensioning equipment is flat with work
Platform assembly three-dimensional is mobile；Workbench assembly can be gone up and down with lifting device, from driving vertical, horizontal mobile, equipped with can three on platform
Tie up the jack stand of fine tuning, carrying stretch-draw jack and the centering of tensioning pipeline.
Preferably, walking vehicle body one end is equipped with one group of lifting device.
Preferably, walking vehicle body both ends are respectively provided with one group of lifting device.
Preferably, the drive cylinder of the lifting device at both ends is connected with a synchronous fuel tank respectively, the synchronous fuel tank
Including the first cylinder barrel, the second cylinder barrel and the middle partition between two cylinder barrels, three is combined into the cylinder barrel of synchronous fuel tank, and one
Piston rod is free to slide by intermediate round-meshed interval plate, there is first piston, the in the first cylinder barrel and the second cylinder barrel respectively
Two pistons, are fixedly connected with piston rod respectively, and the oil inlet pipe of synchronous fuel tank connects with the oil inlet of the first cylinder barrel, the second cylinder barrel respectively
Connect, the first cylinder barrel, the second cylinder barrel oil outlet be connected respectively with the oil inlet of the drive cylinder of the lifting device at both ends.
Preferably, jacking system is made of lifting door frame, lifting drive and cross moving track.
Preferably, workbench assembly includes traversing coarse adjustment trolley, vertical shift coarse adjustment trolley, traversing coarse adjustment driving device, indulges
Move coarse adjustment driving device, traversing fine tuning trolley, vertical shift fine tuning trolley, jack lifting support and jack positioning baffle.Work
Platform assembly transverse shifting, cross moving track on the cross moving track of lifting device vertically move in lifting device.Traversing coarse adjustment
Trolley is located on cross moving track, and vertical shift coarse adjustment trolley is located on traversing coarse adjustment trolley, traversing coarse adjustment driving device and vertical shift
Coarse adjustment driving device is connect with traversing coarse adjustment trolley, vertical shift coarse adjustment trolley respectively；Trolley and thousand is finely tuned in traversing fine tuning trolley, vertical shift
Jin top lifting support is located on vertical shift coarse adjustment trolley, and jack positioning baffle is located on jack lifting support top surface.
Preferably, tensioning equipment is a whole set of automatic Tensioning equipment, is placed on walking vehicle body, shifts together with trolley.
Detailed description of the invention
Fig. 1 is the overall structure diagram of bridge prestress steel strand tension trolley of the present invention.
Fig. 2 is the cross-sectional view of synchronous fuel tank of the present invention.
Fig. 3 is workbench assembly overall structure diagram of the present invention.
Fig. 4 is Manual three-dimensional fine tuning trolley assembly diagram of the present invention.
1 workbench assembly, 2 cross moving tracks, 3 stretch-draw jacks, 4 lifting door frames, 5 lifting drive cylinders, 6 battery truck bottoms
Disk, 7 synchronous fuel tanks, 8 stretching oil pumps, 9 cable tensios control cabinets, 10 second cylinder barrels, 11 second pistons, partition in 12,13 first cylinder barrels,
14 piston rods, 15 first pistons, 16 traversing wheels, 17 traversing coarse adjustment trolleies, 18 traversing motors, 19 vertical shift wheels, 20 traversing fine tunings are small
Vehicle, 21 vertical shift oil cylinders, 22 jack positioning baffles, 23 vertical shifts fine tuning trolley, 24 vertical shift coarse adjustment trolleies, 25 jack lifting branch
Frame, 26 platform guardrails, 27 platform pedals.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
As shown in Figure 1, a kind of bridge prestress tensioning trolley described in the present embodiment, including battery truck, hydraulic lifting dress
It sets, workbench assembly 1 and a whole set of automatic Tensioning equipment, battery truck carries workbench assembly 1, hydraulic lift and whole
Set automatic Tensioning equipment is moved；Hydraulic lift is mounted in battery truck, and workbench assembly 1 is mounted on hydraulic lifting
On device, stretch-draw jack 3 is placed on workbench assembly 1, and stretching oil pump 8 and cable tensios control cabinet 9 are placed on battery truck bottom
On disk 6.Stretch-draw jack 3 is three-dimensional mobile with workbench assembly 1；Workbench assembly 1 can be gone up and down with hydraulic lift, be indulged
It moves oil cylinder 21 to vertically move, traversing motor 18 drives 1 transverse shifting of workbench assembly, and being equipped on platform can be longitudinally micro- manually
Vertical shift fine tuning trolley 23, the lateral traversing fine tuning trolley 20 of manual fine-tuning and the jack lifting support of vertical manual fine-tuning of tune
25, carrying is by the fixed stretch-draw jack 3 of jack positioning baffle 22 and the centering of tensioning pipeline.
Battery truck rear and front end described in the present embodiment is respectively provided with one group of hydraulic lift.
As shown in Fig. 2, the lifting drive cylinder 5 of the hydraulic lift at both ends described in the present embodiment respectively with one
Synchronous fuel tank 7 connects, and the synchronous fuel tank 7 includes the first cylinder barrel 13, the second cylinder barrel 10 and the interval between two cylinder barrels
Plate 12, three are combined into the cylinder barrel of synchronous fuel tank 7, and a piston rod 14 passes through intermediate round-meshed 12 free skating of interval plate
It is dynamic, there are first piston 15, second piston 11 respectively in the first cylinder barrel 13 and the second cylinder barrel 10, fixes connect with piston rod 14 respectively
It connects, the oil inlet pipe of synchronous fuel tank 7 is connected with the oil inlet of the first cylinder barrel 13, the second cylinder barrel 10 respectively, the first cylinder barrel 13, the second cylinder
The oil outlet of cylinder 10 is connected with 5 oil inlet of lifting drive cylinder of the lifting device at both ends respectively.Come when from stretching oil pump 8
System pressure oil, pass through oil connection K0 simultaneously pass through oil inlet P 1, P2 enter the first cylinder barrel 13 and the second cylinder barrel 10, push
When piston rod 14 is moved to the left, first piston 15 and second piston 11 distinguish pressure oil from the first cylinder barrel 13, the second cylinder barrel 10
The lifting drive cylinder 5 of two lifting door frames 4 is pressed by oil outlet K1, K2, it is not difficult to find out that, even if two go up and down door frame 4
Load is different and makes the oil pressure two oil outlets K1, K2 of synchronous fuel tank 7 at different, but pass through the two oil outlets K1,
The fuel delivery of K2 is essentially equal, even if therefore can guarantee the lifting of two lifting door frames 4 in the case where load difference
Height is identical.
Jacking system described in the present embodiment is made of lifting door frame 4, lifting drive cylinder 5 and cross moving track 2.
As shown in Figure 3, Figure 4, workbench assembly 1 described in the present embodiment includes traversing coarse adjustment trolley 17, traversing wheel
16, trolley is finely tuned in vertical shift coarse adjustment trolley 24, vertical shift wheel 19, traversing motor 18, vertical shift oil cylinder 21, traversing fine tuning trolley 20, vertical shift
23, jack lifting support 25, jack positioning baffle 22, platform guardrail 26 and platform pedal 27.Workbench assembly 1 is rising
Transverse shifting on the cross moving track 2 of falling unit, cross moving track 2 vertically move in lifting device, drive workbench assembly 1
Vertical lift.Traversing coarse adjustment trolley 17 is divided into traversing wheel 16 and is located on cross moving track 2, and vertical shift coarse adjustment trolley 24 divides into vertical shift wheel
19 are located on traversing coarse adjustment trolley 17, traversing motor 18 and vertical shift oil cylinder 21 respectively with traversing coarse adjustment trolley 17, vertical shift coarse adjustment
Trolley 24 connects；Traversing fine tuning trolley 20, vertical shift fine tuning trolley 23 and jack lifting support 25 are located at vertical shift coarse adjustment trolley
On 24, jack positioning baffle 22 is located on 25 top surface of jack lifting support, and platform guardrail 26 is mounted on platform pedal 27
On, platform pedal 27 is mounted on 24 top surface of vertical shift coarse adjustment trolley.
Tensioning equipment described in the present embodiment is a whole set of automatic Tensioning equipment, including stretch-draw jack 3,8 and of stretching oil pump
Cable tensios control cabinet 9 is placed on storage battery chassis 6, shifts together with trolley.
Claims (7)
1. a kind of bridge prestress tensioning trolley.Including walking vehicle body, lifting device, workbench assembly and tensioning equipment, row
It walks car body and carries workbench assembly, lifting device and tensioning equipment to be moved；Lifting device is mounted on walking vehicle body,
Workbench assembly is mounted on lifting device, and tensioning equipment is placed on workbench assembly.Tensioning equipment is with workbench
Assembly three-dimensional is mobile；Workbench assembly can be gone up and down with lifting device, and from driving vertical, horizontal mobile, being equipped on platform can be three-dimensional
The jack stand of fine tuning, carrying stretch-draw jack and the centering of tensioning pipeline.
2. bridge prestress tensioning trolley as described in claim 1, it is characterized in that described walking vehicle body one end is equipped with one group of liter
Falling unit.
3. bridge prestress tensioning trolley as described in claim 1, it is characterized in that the walking vehicle body both ends are respectively provided with one group
Lifting device.
4. bridge prestress tensioning trolley as claimed in claim 1 or 3, it is characterized in that the drive cylinder of the lifting device at both ends
It is connected respectively with a synchronous fuel tank, the synchronous fuel tank includes the first cylinder barrel, the second cylinder barrel and between two cylinder barrels
Middle partition, three are combined into the cylinder barrel of synchronous fuel tank, and a piston rod is free to slide by intermediate round-meshed interval plate,
Have first piston, second piston respectively in first cylinder barrel and the second cylinder barrel, be fixedly connected respectively with piston rod, synchronous fuel tank into
Oil pipe is connected with the oil inlet of the first cylinder barrel, the second cylinder barrel respectively, the first cylinder barrel, the second cylinder barrel oil outlet respectively with both ends
The oil inlet of the drive cylinder of lifting device is connected.
5. bridge prestress tensioning trolley as described in claim 1, it is characterized in that the jacking system is by lifting door frame, lifting
Driving device and cross moving track composition.
6. bridge prestress tensioning trolley as described in claim 1, it is characterized in that the workbench assembly includes traversing thick
Turn down vehicle, vertical shift coarse adjustment trolley, traversing coarse adjustment driving device, vertical shift coarse adjustment driving device, traversing fine tuning trolley, vertical shift fine tuning it is small
Vehicle, jack lifting support and jack positioning baffle.Workbench assembly transverse shifting on the cross moving track of lifting device,
Cross moving track vertically moves in lifting device.Traversing coarse adjustment trolley is located on cross moving track, and vertical shift coarse adjustment trolley is located at
On traversing coarse adjustment trolley, traversing coarse adjustment driving device and vertical shift coarse adjustment driving device respectively with traversing coarse adjustment trolley, vertical shift coarse adjustment
Trolley connection；Traversing fine tuning trolley, vertical shift fine tuning trolley and jack lifting support are located on vertical shift coarse adjustment trolley, jack
Positioning baffle is located on jack lifting support top surface.
7. bridge prestress tensioning trolley as described in claim 1, it is characterized in that the tensioning equipment is a whole set of automatic Tensioning
Equipment is placed on walking vehicle body, is shifted together with trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072292.2A CN109811658A (en) | 2019-01-25 | 2019-01-25 | A kind of bridge prestress tensioning trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072292.2A CN109811658A (en) | 2019-01-25 | 2019-01-25 | A kind of bridge prestress tensioning trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109811658A true CN109811658A (en) | 2019-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910072292.2A Pending CN109811658A (en) | 2019-01-25 | 2019-01-25 | A kind of bridge prestress tensioning trolley |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691302A (en) * | 2020-05-21 | 2020-09-22 | 中国路桥工程有限责任公司 | Integral tensioning installation method for I-shaped beam |
| CN112875580A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Six-direction adjustable bridge section conveying device |
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| CN201826262U (en) * | 2010-10-26 | 2011-05-11 | 中铁十三局集团有限公司 | Prestress tensioning trolley |
| CN204826678U (en) * | 2015-07-25 | 2015-12-02 | 中铁十九局集团第二工程有限公司 | Prestressing force is platform truck for steel strand stretching |
| CN206655128U (en) * | 2017-03-20 | 2017-11-21 | 中交第二航务工程局有限公司 | A kind of walking steel frame construction certainly for prestress wire tensioning |
| CN207109606U (en) * | 2017-08-16 | 2018-03-16 | 中铁三局集团有限公司 | A kind of cast-in-place simply supported beam construction slides chassis with outer side mold |
| CN207142787U (en) * | 2017-08-30 | 2018-03-27 | 四川路桥华东建设有限责任公司 | Jack is from sliding and lifting installment work dolly |
| KR101916168B1 (en) * | 2017-12-18 | 2018-11-30 | 주식회사 특수건설 | Transporter for hypothesis of Bridge |
| CN208235340U (en) * | 2018-04-28 | 2018-12-14 | 中铁北京工程局集团有限公司 | It is a kind of can automatic lifting steel strand tension Mobile workbench |
| CN210856941U (en) * | 2019-01-25 | 2020-06-26 | 北京国铁科技有限公司 | Bridge prestress tensioning trolley |
-
2019
- 2019-01-25 CN CN201910072292.2A patent/CN109811658A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201826262U (en) * | 2010-10-26 | 2011-05-11 | 中铁十三局集团有限公司 | Prestress tensioning trolley |
| CN204826678U (en) * | 2015-07-25 | 2015-12-02 | 中铁十九局集团第二工程有限公司 | Prestressing force is platform truck for steel strand stretching |
| CN206655128U (en) * | 2017-03-20 | 2017-11-21 | 中交第二航务工程局有限公司 | A kind of walking steel frame construction certainly for prestress wire tensioning |
| CN207109606U (en) * | 2017-08-16 | 2018-03-16 | 中铁三局集团有限公司 | A kind of cast-in-place simply supported beam construction slides chassis with outer side mold |
| CN207142787U (en) * | 2017-08-30 | 2018-03-27 | 四川路桥华东建设有限责任公司 | Jack is from sliding and lifting installment work dolly |
| KR101916168B1 (en) * | 2017-12-18 | 2018-11-30 | 주식회사 특수건설 | Transporter for hypothesis of Bridge |
| CN208235340U (en) * | 2018-04-28 | 2018-12-14 | 中铁北京工程局集团有限公司 | It is a kind of can automatic lifting steel strand tension Mobile workbench |
| CN210856941U (en) * | 2019-01-25 | 2020-06-26 | 北京国铁科技有限公司 | Bridge prestress tensioning trolley |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875580A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Six-direction adjustable bridge section conveying device |
| CN111691302A (en) * | 2020-05-21 | 2020-09-22 | 中国路桥工程有限责任公司 | Integral tensioning installation method for I-shaped beam |
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