CN208732480U - Prefabricated girder tensioning auxiliary hoisting device - Google Patents
Prefabricated girder tensioning auxiliary hoisting device Download PDFInfo
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- CN208732480U CN208732480U CN201821456825.4U CN201821456825U CN208732480U CN 208732480 U CN208732480 U CN 208732480U CN 201821456825 U CN201821456825 U CN 201821456825U CN 208732480 U CN208732480 U CN 208732480U
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- hoisting device
- braced frame
- prefabricated girder
- auxiliary hoisting
- frame
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- 230000009184 walking Effects 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of prefabricated girder tensioning auxiliary hoisting devices, including the braced frame being made of frame bars, the leading flank of braced frame is equipped with the construction mouth for being directed at precast beam end face, the top of braced frame is equipped with hoisting mechanism, hoisting mechanism includes the walking beam vertical with braced frame leading flank and the hoist crane for lifting stretch-draw jack, and hoist crane is slidably installed on walking beam.The prefabricated girder tensioning auxiliary hoisting device of the utility model, it is convenient to stretch-draw jack is lifted to suitable position, then install stretch-draw jack, after dismantling stretch-draw jack after the completion of tensioning, then adjust stretch-draw jack to next position；To sum up, prefabricated girder tensioning auxiliary hoisting device, effectively can assist stretch-draw jack to dismount, improve efficiency, and have the advantages that structure is simple, easy to use and safe and reliable.
Description
Technical field
The utility model relates to hanging apparatus, are specifically a kind of prefabricated girder tensioning auxiliary hoisting device.
Background technique
With the rapid development of the national economy, and national highway, railway network planning construction implementation, newly building bridge project
Growing day by day, the transformation maintenance engineering of old bridge also increases year by year, and market related with bridge construction is more than 100,000,000,000 yuan every year, pole
The earth has driven the development of the prefabricated industry of bridge beam slab, gradually isolates in road and bridge construction industry so that bridge beam slab is prefabricated
Come, becomes an independent market.
Prefabricated components tensioning progress often influences the progress of entire engineering, the beam body prestress tensioning equipment of science of bridge building
Mainly there is electric oil pump (stretching oil pump) used in jack used in tensioning (stretch-draw jack) and tensioning, by working anchor
Steel strand wires or the increase of reinforcing bar strength in firmware assign prestressing force numerical value.In construction, jack is generally required in precast beam
It opens end face to repeat to mount and dismount, generally all manually mounts and dismounts at present, not only influenced progress but also had security risk, and if making
With truck crane, then cost is again too big.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of prefabricated girder tensioning auxiliary hoisting device, it can be effective
Stretch-draw jack dismounting is assisted, is improved efficiency, and have the advantages that structure is simple, easy to use and safe and reliable.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of prefabricated girder tensioning auxiliary hoisting device, including the braced frame being made of frame bars, the braced frame
Leading flank is equipped with the construction mouth for being directed at precast beam end face, and the top of the braced frame is equipped with hoisting mechanism, described to hang
Mounting mechanism includes the walking beam vertical with the braced frame leading flank and the hoist crane for lifting stretch-draw jack, described
Hoist crane is slidably installed on the walking beam.
Further, the braced frame is the frame structure in square figure or cuboid-type.
Further, it is respectively provided on two sides adjacent with the braced frame leading flank and reinforces the support frame
The reinforcing rod of frame structural strength.
Further, it is respectively equipped with two reinforcing rods on two sides adjacent with the braced frame leading flank, two
Up and down two piece frame bars of the both ends of reinforcing rod described in root respectively with side where it are welded and fixed.
Further, the upper end of two reinforcing rods is intersected and is welded with the middle part of the upper box hack lever of side where it solid
Fixed, both ends of the lower end of two reinforcing rods respectively with the lower box hack lever of side where it are welded and fixed.
Further, the walking beam is set as two and corresponding with the precast beam two sides of end face respectively, two walkings
Beam is parallel to each other, and installation is equipped with the hoist crane respectively on two walking beams.
Further, the hoist crane uses bottle gouard moved by hands or electric block.
Further, the trailing flank opposite with the braced frame leading flank is equipped with safety guard net.
Further, the bottom surface of the braced frame is equipped with for being moved easily and the idler wheel of strap brake.
The utility model has the beneficial effects that:
The prefabricated girder tensioning auxiliary hoisting device of the utility model by setting braced frame and hoisting mechanism, and will rise
Weight cucurbit is slidably installed on walking beam, in this way, stretch-draw jack can be realized perpendicular to braced frame using walking beam
Position on the direction of leading flank is adjusted, and can realize that the position of stretch-draw jack in the vertical direction is adjusted using hoist crane,
In this way, being convenient to for stretch-draw jack to be lifted to suitable position, and then stretch-draw jack is installed again, is torn open after the completion of tensioning
After unloading stretch-draw jack, then stretch-draw jack is adjusted to next position；To sum up, prefabricated girder tensioning auxiliary hoisting device,
Effectively stretch-draw jack can be assisted to dismount, improved efficiency, and have the advantages that structure is simple, easy to use and safe and reliable.
The method for carrying out prefabricated girder tensioning using the prefabricated girder tensioning auxiliary hoisting device of the utility model is as follows:
1. adjusting the position of braced frame: the prefabricated girder tensioning auxiliary hoisting device of the utility model is placed in precast beam two
End adjusts the position of walking beam and the position of fixed support frame frame according to tensioning mouth position, guarantees construction safety and convenience；
2. hanging buckle hoist crane: manual adjustment hoist crane, by stretch-draw jack hanging buckle on hoist crane；
3. adjusting stretch-draw jack position: adjusting chain block, promote stretch-draw jack, adjust sliding at the top of hoist crane
Wheel, is hoisted to precast beam end face tensioning mouth for stretch-draw jack；
4. adjusting chain block, stretch-draw jack is slowly promoted to tensioning mouth；
5. manually installed stretch-draw jack and fixation release stretch-draw jack hook；
6. after the completion of tensioning, stretch-draw jack button is hung on hoist crane, stretch-draw jack is removed, is repeated 3. to 6.；
7. after the completion of the prefabricated girder tensioning of full wafer, moving to down a piece of beam and continuing above step.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural schematic diagram of the prefabricated girder tensioning auxiliary hoisting device embodiment of the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, being the structural schematic diagram of the prefabricated girder tensioning auxiliary hoisting device embodiment of the utility model.This implementation
The prefabricated girder tensioning auxiliary hoisting device of example, including the braced frame 1 being made of frame bars, the leading flank of braced frame 1 is equipped with
For being directed at the construction mouth of precast beam end face, the top of braced frame 1 is equipped with hoisting mechanism, and hoisting mechanism includes and support frame
The vertical walking beam 2 of 1 leading flank of frame and the hoist crane 3 for lifting stretch-draw jack, hoist crane 3 are slidably installed row
It walks on beam 2.
Further, braced frame 1 is the frame structure in square figure or cuboid-type.The braced frame 1 of the present embodiment
For in the frame structure of cuboid-type.Reinforcement support is respectively provided on two sides adjacent with 1 leading flank of braced frame
The reinforcing rod 4 of 1 structural strength of frame.The present embodiment is respectively equipped with two on two sides adjacent with 1 leading flank of braced frame
Reinforcing rod 4, up and down two piece frame bars of the both ends of two reinforcing rods 4 respectively with side where it are welded and fixed.Specifically, two
The upper end of reinforcing rod 4 intersect and be welded and fixed in the middle part of the upper box hack lever of side where it, the lower end point of two reinforcing rods 4
Both ends not with the lower box hack lever of side where it are welded and fixed.In this way, being constituted between two reinforcing rods 4 and lower box hack lever
Stable triangular structure, being capable of effective enhancing structure stability.
Further, the walking beam 2 of the present embodiment is set as two and corresponding with the precast beam two sides of end face respectively, two rows
It walks beam 2 to be parallel to each other, and installation is equipped with hoist crane 3 respectively on two walking beams 2, in this way, can be simultaneously to precast beam end face
Two sides carry out tensioning operation, improve efficiency.
Further, hoist crane 3 uses bottle gouard moved by hands or electric block.The hoist crane 3 of the present embodiment uses manual calabash
Reed.
Further, the trailing flank opposite with 1 leading flank of braced frame is equipped with safety guard net 5, prevents intermediate plate from flying out, disappears
Except security risk.
Further, the bottom surface of braced frame 1 is equipped with for being moved easily and the idler wheel of strap brake, facilitates adjusting support frame
The position of frame 1.
The prefabricated girder tensioning auxiliary hoisting device of the present embodiment, by setting braced frame and hoisting mechanism, and by lifting
Cucurbit is slidably installed on walking beam, in this way, can realize stretch-draw jack before perpendicular to braced frame using walking beam
Position on the direction of side is adjusted, and can realize that the position of stretch-draw jack in the vertical direction is adjusted using hoist crane, such as
This, that is, be convenient to for stretch-draw jack to be lifted to suitable position, and then install stretch-draw jack again, dismantles after the completion of tensioning
After stretch-draw jack, then stretch-draw jack is adjusted to next position；To sum up, prefabricated girder tensioning auxiliary hoisting device, energy
Enough effectively auxiliary stretch-draw jack dismounting, improve efficiency, and have the advantages that structure is simple, easy to use and safe and reliable.
The method for carrying out prefabricated girder tensioning using the prefabricated girder tensioning auxiliary hoisting device of the present embodiment is as follows:
1. adjusting the position of braced frame: the prefabricated girder tensioning auxiliary hoisting device of the present embodiment is placed in precast beam two
End adjusts the position of walking beam and the position of fixed support frame frame according to tensioning mouth position, guarantees construction safety and convenience；
2. hanging buckle hoist crane: manual adjustment hoist crane, by stretch-draw jack hanging buckle on hoist crane；
3. adjusting stretch-draw jack position: adjusting chain block, promote stretch-draw jack, adjust sliding at the top of hoist crane
Wheel, is hoisted to precast beam end face tensioning mouth for stretch-draw jack；
4. adjusting chain block, stretch-draw jack is slowly promoted to tensioning mouth；
5. manually installed stretch-draw jack and fixation release stretch-draw jack hook；
6. after the completion of tensioning, stretch-draw jack button is hung on hoist crane, stretch-draw jack is removed, is repeated 3. to 6.；
7. after the completion of the prefabricated girder tensioning of full wafer, moving to down a piece of beam and continuing above step.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of prefabricated girder tensioning auxiliary hoisting device, it is characterised in that: including the braced frame (1) being made of frame bars, institute
The leading flank of braced frame (1) is stated equipped with the construction mouth for being directed at precast beam end face, the top of the braced frame (1) is equipped with
Hoisting mechanism, the hoisting mechanism include the walking beam vertical with the braced frame (1) leading flank (2) and for lifting tensioning
The hoist crane (3) of jack, the hoist crane (3) are slidably installed on the walking beam (2).
2. prefabricated girder tensioning auxiliary hoisting device according to claim 1, it is characterised in that: the braced frame (1) is
In the frame structure of square figure or cuboid-type.
3. prefabricated girder tensioning auxiliary hoisting device according to claim 2, it is characterised in that: with the braced frame (1)
The reinforcing rod (4) for reinforcing braced frame (1) structural strength is respectively provided on two adjacent sides of leading flank.
4. prefabricated girder tensioning auxiliary hoisting device according to claim 3, it is characterised in that: with the braced frame (1)
Be respectively equipped with two reinforcing rods (4) on two adjacent sides of leading flank, the both ends of two reinforcing rods (4) respectively with
Two frame bars up and down of side are welded and fixed where it.
5. prefabricated girder tensioning auxiliary hoisting device according to claim 3, it is characterised in that: two reinforcing rods (4)
Upper end intersection and be welded and fixed in the middle part of upper box hack lever of side where with it, the lower end point of two reinforcing rods (4)
Both ends not with the lower box hack lever of side where it are welded and fixed.
6. prefabricated girder tensioning auxiliary hoisting device according to claim 1, it is characterised in that: the walking beam (2) is set as
Two and corresponding with the two sides of precast beam end face respectively, two walking beams (2) are parallel to each other, and two walking beams
(2) installation is equipped with the hoist crane (3) respectively on.
7. prefabricated girder tensioning auxiliary hoisting device according to claim 1, it is characterised in that: the hoist crane (3) is adopted
With bottle gouard moved by hands or electric block.
8. prefabricated girder tensioning auxiliary hoisting device according to claim 1-7, it is characterised in that: with the support
The opposite trailing flank of frame (1) leading flank is equipped with safety guard net (5).
9. prefabricated girder tensioning auxiliary hoisting device according to claim 1-7, it is characterised in that: the support frame
The bottom surface of frame (1) is equipped with for being moved easily and the idler wheel of strap brake.
10. prefabricated girder tensioning auxiliary hoisting device according to claim 8, it is characterised in that: the braced frame (1)
Bottom surface is equipped with for being moved easily and the idler wheel of strap brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456825.4U CN208732480U (en) | 2018-09-06 | 2018-09-06 | Prefabricated girder tensioning auxiliary hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456825.4U CN208732480U (en) | 2018-09-06 | 2018-09-06 | Prefabricated girder tensioning auxiliary hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208732480U true CN208732480U (en) | 2019-04-12 |
Family
ID=66033870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821456825.4U Expired - Fee Related CN208732480U (en) | 2018-09-06 | 2018-09-06 | Prefabricated girder tensioning auxiliary hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208732480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158483A (en) * | 2019-06-28 | 2019-08-23 | 中国二冶集团有限公司 | Bent cap prestressing force high-altitude tension operation cage |
-
2018
- 2018-09-06 CN CN201821456825.4U patent/CN208732480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158483A (en) * | 2019-06-28 | 2019-08-23 | 中国二冶集团有限公司 | Bent cap prestressing force high-altitude tension operation cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |