CN208732480U - Prefabricated girder tensioning auxiliary hoisting device - Google Patents

Prefabricated girder tensioning auxiliary hoisting device Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
hoisting device
braced frame
prefabricated girder
auxiliary hoisting
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821456825.4U
Other languages
Chinese (zh)
Inventor
吴效通
李平
满云鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China State Construction Port Engineering Group Co Ltd
Original Assignee
China State Construction Port Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China State Construction Port Engineering Group Co Ltd filed Critical China State Construction Port Engineering Group Co Ltd
Priority to CN201821456825.4U priority Critical patent/CN208732480U/en
Application granted granted Critical
Publication of CN208732480U publication Critical patent/CN208732480U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Prefabricated girder tensioning auxiliary hoisting device
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.
CN201821456825.4U 2018-09-06 2018-09-06 Prefabricated girder tensioning auxiliary hoisting device Active CN208732480U (en)

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 Active CN208732480U (en) 2018-09-06 2018-09-06 Prefabricated girder tensioning auxiliary hoisting device

Country Status (1)

Country Link
CN (1) CN208732480U (en)

Similar Documents

Publication Publication Date Title
CN108824199B (en) Arch bridge construction method of underneath type hanging basket
CN106592962A (en) Large-height-difference long-span stiff-skeleton cladding concrete formwork construction method and apparatus
CN113152306B (en) Small-radius large-gradient prefabricated T beam frame construction method
CN110424277A (en) PC beam bridge Wavelike steel webplate hanging apparatus and construction method with low gantry crane
CN207244452U (en) A kind of suspension bridge vice saddle adjusting apparatus in place
CN109083008A (en) A kind of walking Coping Construction job platform and its packaging technology
CN205367454U (en) Large -size formwork hoisting machine constructs
CN207749417U (en) A kind of concrete king-post internal model stiff skeleton
CN109881590A (en) Bridge steel box girder high altitude operation operating platform and building method
CN108286332A (en) A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method
CN208732480U (en) Prefabricated girder tensioning auxiliary hoisting device
CN205442393U (en) Posture that falls suspension system
CN208563122U (en) A kind of " walking " Coping Construction job platform
CN209144661U (en) Mould bases for bridge construction
CN111519545A (en) Pier and capping beam integrated construction platform and construction method thereof
CN209039993U (en) A kind of device carrying out the tensioning of great cantilever bent cap using movable supporting frame
CN110409318A (en) A kind of large span freely-supported steel reinforced concrete bondbeam assembling method
CN110939069A (en) Construction method of suspension bridge catwalk
CN206692230U (en) A kind of skyscraper row is hung
CN214573768U (en) Self-climbing sliding formwork pouring system for second-stage concrete pouring of gate slot
CN101768925B (en) Mounting equipment of beam falling prevention stopping block and construction method thereof
CN210636823U (en) Rail type overhead connecting device for pier body steel bar overhead connecting construction
CN209260561U (en) A kind of integration Bridge Erector
CN204551271U (en) A kind of reinforcement type Hanging Basket
CN205276132U (en) Prestressing force stressing jack mobile device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant