CN201979605U - Moving prestressed steel strand tensioning device - Google Patents
Moving prestressed steel strand tensioning device Download PDFInfo
- Publication number
- CN201979605U CN201979605U CN2011200051096U CN201120005109U CN201979605U CN 201979605 U CN201979605 U CN 201979605U CN 2011200051096 U CN2011200051096 U CN 2011200051096U CN 201120005109 U CN201120005109 U CN 201120005109U CN 201979605 U CN201979605 U CN 201979605U
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- lifting
- steel strand
- portable
- hydraulic cylinder
- tensioning equipment
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Abstract
The utility model discloses a moving prestressed steel strand tensioning device, which comprises a rack (3), a hydraulic system (12) and a control table (13), wherein the hydraulic system (12) is arranged in the rack (3), and is connected with the control table (13), the hydraulic system (12) is connected with hydraulic cylinders, the hydraulic cylinders are combined into a group by a hanging bracket, a hydraulic cylinder lifting device is arranged on the rack (3), the hydraulic cylinder lifting device comprises a lifting bracing rod (15), a lifting hydraulic cylinder (16) and a lifting pulley (17), the lifting bracing rod (15) is fixed with a lifting steel rope, and is connected with the hanging bracket (3) through the lifting pulley (17), and a connecting device is arranged at the front end of a force applying piston (11) in the hydraulic cylinder (1). In the moving prestressed steel strand tensioning device disclosed by the utility model, the moving tensioning device is adopted, not only can whole tensing to multi-group steel strands be carried out, but also tensing or adjustment to each group of steel strand can be carried out. The moving prestressed steel strand tensioning device disclosed by the utility model can be matched with moving rails to move in a production line, so that the tensioning needs of various production lines can be realized by one set of tensioning equipment. The moving prestressed steel strand tensioning device disclosed by the utility model has the advantages that the production efficiency is high, the investment is saved, and the quality of the product of concrete prestressed members can be ensured.
Description
Technical field
The utility model belongs to engineering prestress tensioning equipment technical field, be specifically related to a kind of prestress wire stretch-draw that is suitable for mixing earth member pedestal production chain, be particularly suitable for prestressing force sleeper steel strand tension, and can organize the portable prestress wire tensioning equipment of steel strand wires set or individual independent stretch-draw more.
Background technology
For a long time, pipelining is adopted in the production of domestic prestressed reinforced concrete tie always, and the deficiency of pipelining is that the equipment that needs is many, and power consumption is high.For adapting to Burma's grade in an imperial examination three worlds national energy shortage, industrial ability to provide the auxiliary items is poor, and the characteristics of soil and rich in human resources, the inventor has developed a kind of pedestal method rice rail prestress wire concrete sleeper production line and prestressed stretch-draw unit especially.Put four groups of sleepers in every group of punching block of pedestal method production line, put four sleepers in every group of punching block, tens of groups of punching blocks vertically are arranged on the pedestal, and pedestal formed a production line after steel strand wires ran through punching block from the pedestal end simultaneously always.A factory generally is made up of 10-20 bar production line.For the stretch-draw of steel strand wires, prior art adopts dual mode: the one, and the built-in beam method, promptly every group of steel strand wires are fixed on the end floor beam with ground tackle respectively, and during stretch-draw, every steel strand wires are by root stretch-draw.For example, the sleeper of prior art has 8 steel strand wires, and one group of 4 sleepers have 32 steel strand wires, and the built-in beam method stretch-draw with prior art needs stretch-draw altogether 32 times.Though reduced investment is arranged, do not need the advantage of professional equipment,, stretch-draw length consuming time, operate loaded down with trivial details, the deficiency that labour intensity is big.The 2nd, the trave lling girder method, promptly every steel strand wires are fixed on the crossbeam with ground tackle, and during stretch-draw, it is whole mobile to promote crossbeam, to every steel strand wires simultaneous tension.The advantage of this method is a stretch-draw weak point consuming time, the effect height.Weak point is that every production line need be equipped with specific hydraulic pumping plant and drawing hydraulic cylinder, and equipment investment is big, and causes skew or inclination in the stretching process easily, easily causes the discontinuity equalization between the steel strand wires, and then influences the quality of sleeper.
The utility model content
The purpose of this utility model is to overcome the prior art deficiency, a kind of prestress wire stretch-draw that is suitable for mixing earth member pedestal production chain is provided, be particularly suitable for prestressing force sleeper steel strand tension, and can organize the portable prestress wire tensioning equipment of steel strand wires set or individual independent stretch-draw more.
First purpose of the present utility model is to realize like this, comprise frame, hydraulic system, console, described hydraulic system is arranged in the frame, and connection console, described hydraulic system connects hydraulic cylinder, and described hydraulic cylinder is combined into one group by suspension bracket, and described upper rack is provided with the hydraulic cylinder lowering or hoisting gear, described hydraulic cylinder lowering or hoisting gear comprises lifting strut, lifting hydraulic cylinder and lifting pulley, fixing lifting steel cable and connect suspension bracket by lifting pulley on the lifting strut; Application of force piston nose in the described hydraulic cylinder is provided with coupling arrangement.
The utility model adopts portable tensioning equipment, both can also can organize steel strand wires stretch-draw or adjustment respectively to the whole stretch-draw of many groups steel strand wires to each.Cooperate moving track to can be implemented in moving between production line, realized that a cover tensioning equipment can satisfy the stretch-draw needs of many production lines.Not only production efficiency height, and reduced investment has guaranteed the product quality of concrete pre-stress member.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the AA of Fig. 1 is to view;
Fig. 4 is a stretch-draw coupling assembling structure zoomed-in view among Fig. 1;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the utility model working state schematic representation;
Fig. 7 is the vertical view of Fig. 6.
Among the figure: 1-hydraulic cylinder, 2-hydraulic cylinder suspension bracket, 3-frame, 4-anchor slab, the 5-tension ground tackle, 6-tension rod, 7-decompression device, 8-locking nut, the 9-connector, 10-connecting pin, 11-application of force piston, the 12-hydraulic system, 13-console, 14-steel strand wires, 15-lifting strut, 16-lifting hydraulic cylinder, 17-lifting pulley, the 18-road wheel, 19-counterweight, 20-guard plate.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described, but never in any form the utility model is limited, any conversion based on the utility model training centre is done all falls into protection domain of the present utility model.
As shown in Figure 1-Figure 3, the utility model comprises frame 3, hydraulic system 12, console 13, described hydraulic system 12 is arranged in the frame 3, and connection console 13, described hydraulic system 12 connects hydraulic cylinder, described hydraulic cylinder is combined into one group by suspension bracket, on the described frame 3 lowering or hoisting gear is set, and described lowering or hoisting gear connects suspension bracket 3; Application of force piston 11 front ends in the described hydraulic cylinder 1 are provided with coupling arrangement.
Described lowering or hoisting gear is a hydraulic lift, comprises lifting strut 15, lifting hydraulic cylinder 16 and lifting pulley 17, fixing lifting steel cable and connect suspension brackets 3 by lifting pulley 17 on the lifting strut 15.
Described lowering or hoisting gear is mechanical elevator elevating mechanism or manually lifts lowering or hoisting gear, all can realize the purpose of this utility model.
Described coupling arrangement connects tension rod 6 by connecting pin 10, and tension rod 6 front ends are provided with tension ground tackle 5.
Described tension ground tackle 5 comprises stretch-draw anchor slab 4 and steel strand wires retaining mechanism.
Described steel strand wires retaining mechanism comprises taper contractile ring, pressing plate and locking nut.
Fig. 4, Fig. 5 show stretch-draw coupling assembling structure, and described tension rod 6 one ends are provided with connector 9, and the other end is provided with tension ground tackle 5.
Described tension rod 6 is provided with decompression device 7, and described decompression device 7 is a wedge structure, so that suitable release or remove stretching force fully when needs are removed stretching force.
Described frame 3 bottoms are provided with road wheel 18, and road wheel 18 cooperates with moving track, so that tensioning equipment is moved between production line.
Fig. 6, Fig. 7 show actual working state of the present utility model, as an embodiment, and the utility model and the supporting use of mixed earth prestressing force sleeper pedestal production chain.Its operation principle and the course of work are as follows:
Before tensioning equipment moved to the production line stretching bed seat, make hydraulic cylinder roughly align stretching bed seat, start lifting hydraulic cylinder 16 drive lifting struts 15 and move forward, promote steel strand wires suspension bracket is put down, 4 hydraulic cylinders of suspension bracket below are put into the hydraulic cylinder frame groove on the pedestal respectively, and locate automatically.Stretch button soon on the start-up control platform 13, the stretch-draw piston of 4 hydraulic cylinders stretches out forward simultaneously, the jockey of application of force piston nose is connected with connector 9 and locks with connecting pin 10.The other end of tension rod 6 connects tension ground tackle 5, every group of four steel strand wires are passed the locking ring, pressing plate of the anchor slab 4 in the tension ground tackle and locks with bolt.Stretch-draw button/handle on the operating console, the application of force piston of 4 hydraulic cylinders bounces back simultaneously, and steel strand wires are carried out stretch-draw, and the size that applies stretching force is by control valve on the console and Pressure gauge control.If desired the stretching force of certain hydraulic cylinder is adjusted, can be locked its excess-three hydraulic cylinder in advance, adjust the stretching force of this hydraulic cylinder then separately, get final product 4 hydraulic cylinders and carry out independence control or adjustment one by one by the control hydraulic system.After the stretch-draw operation is finished, the locking nut 8 on the locking tension rod 6.
Stretch button/handle on the operating console soon, application of force piston 11 stretches out a little, and stretching force is removed, and pulls out connecting pin 10, operates stretch-draw button/handle once more, and the application of force piston of hydraulic cylinder bounces back fast.Behind the application of force piston retraction, start lifting button, hydraulic cylinder is risen, finish the stretch-draw operation of this production line, this tensioning equipment can be passed next bar production line and carry out the stretch-draw operation by suspension bracket.
Claims (9)
1. portable prestress wire tensioning equipment, comprise frame (3), hydraulic system (12), console (13), it is characterized in that: described hydraulic system (12) is arranged in the frame (3), and connection console (13), described hydraulic system (12) connects hydraulic cylinder, described hydraulic cylinder is combined into one group by suspension bracket, and described frame is provided with lowering or hoisting gear on (3), and described lowering or hoisting gear connects suspension bracket (3); Application of force piston (11) front end in the described hydraulic cylinder (1) is provided with application of force coupling arrangement.
2. portable prestress wire tensioning equipment as claimed in claim 1, it is characterized in that: described lowering or hoisting gear is a hydraulic lift, comprise lifting strut (15), lifting hydraulic cylinder (16) and lifting pulley (17), the last fixedly lifting steel cable of lifting strut (15) also passes through lifting pulley (17) connection suspension bracket (3);
3. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described lowering or hoisting gear is mechanical elevator elevating mechanism or manually lifts lowering or hoisting gear.
4. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described application of force coupling arrangement connects tension rod (6) by connecting pin (10), and tension rod (6) front end is provided with tension ground tackle (5).
5. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described tension ground tackle (5) comprises stretch-draw anchor slab (4) and steel strand wires retaining mechanism.
6. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described steel strand wires retaining mechanism comprises taper contractile ring, pressing plate and locking nut.
7. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described tension rod (6) one ends are provided with connector (9), and the other end is provided with tension ground tackle (5).
8. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described tension rod (6) is provided with decompression device (7), and described decompression device (7) is a wedge structure.
9. portable prestress wire tensioning equipment as claimed in claim 1 is characterized in that: described frame (3) bottom is provided with road wheel (18), and road wheel (18) cooperates with moving track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200051096U CN201979605U (en) | 2011-01-10 | 2011-01-10 | Moving prestressed steel strand tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200051096U CN201979605U (en) | 2011-01-10 | 2011-01-10 | Moving prestressed steel strand tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979605U true CN201979605U (en) | 2011-09-21 |
Family
ID=44607073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200051096U Expired - Lifetime CN201979605U (en) | 2011-01-10 | 2011-01-10 | Moving prestressed steel strand tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152396A (en) * | 2011-01-10 | 2011-08-17 | 昆明沃特尔机电设备有限公司 | Mobile prestressed steel strand tension device |
| CN107538613A (en) * | 2017-09-20 | 2018-01-05 | 中国二十冶集团有限公司 | The preparation method of prestress wire |
-
2011
- 2011-01-10 CN CN2011200051096U patent/CN201979605U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152396A (en) * | 2011-01-10 | 2011-08-17 | 昆明沃特尔机电设备有限公司 | Mobile prestressed steel strand tension device |
| CN107538613A (en) * | 2017-09-20 | 2018-01-05 | 中国二十冶集团有限公司 | The preparation method of prestress wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Person in charge of patent of Kunming woter Electromechanical Equipment Co.,Ltd. Document name: Notice of expiration of patent right |
|
| DD01 | Delivery of document by public notice |