CN105905849A - Prestressed tensioning jack movable mounting trolley and application method thereof - Google Patents
Prestressed tensioning jack movable mounting trolley and application method thereof Download PDFInfo
- Publication number
- CN105905849A CN105905849A CN201610465409.XA CN201610465409A CN105905849A CN 105905849 A CN105905849 A CN 105905849A CN 201610465409 A CN201610465409 A CN 201610465409A CN 105905849 A CN105905849 A CN 105905849A
- Authority
- CN
- China
- Prior art keywords
- jack
- chassis
- draw jack
- prestressed
- prestressed stretch
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 210000002435 tendon Anatomy 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a prestressed tensioning jack movable mounting trolley. The prestressed tensioning jack movable mounting trolley comprises a groove type support plate, lifting equipment and a trolley base; multiple rectangular holes are formed in the groove type support plate; resistance preventing slide wheels capable of freely rotating in the axle direction of the groove type support plate are mounted in the rectangular holes through fixed bearings; an annular latch is welded at the end part of the groove type support plate, and is matched and detachably inserted or connected with a retreating buckle piece; the groove type support plate is fixed at the upper end of the lifting equipment; the lower end of the lifting equipment is mounted on the trolley base; and multidirectional moving wheels are arranged at the bottom of the trolley base. The prestressed tensioning jack movable mounting trolley can enable a tensioning jack to freely move and adjust the height, can replace a temporary bracket in traditional prestressed construction, largely reduces the preparation and rehabilitation work of prestressed tensioning, enables tensioning equipment to move, mount and dismount more conveniently and quickly, and largely accelerates the construction speed of prefabricated or cast-in-situ beams and slabs.
Description
Technical field
The present invention relates to civil engineering bridge field, specifically prestressed stretch-draw jack and move installation chassis and using method thereof, be mainly used in the prestressed stretch-draw of the various beam slab of bridge superstructure, be particularly well-suited to large scale prefabricated field batch production restressed beam slab.
Background technology
Since prestressing technique is come out, prestressing force is widely used in domestic various bridge types, and cored slab, T beam, prefabricated case beam and cast-in-situ box girder have nearly all related to pre-stress construction.During tension of prestressed tendon, jack is essential as the main tensioning equipment of pre-stress construction, but the movement of jack, installs, dismantles and consume the substantial amounts of artificial and time, becomes an outstanding problem of restriction bridge superstructure speed of application.
In pre-stress construction, the most generally use and set up the method for falsework to carry out the movement of jack, to install and dismantle, although this engineering method practical, however it is necessary that the substantial amounts of manpower of consuming and material resources are to do the preparation of stretch-draw early stage, and in stretching process, also to devote a tremendous amount of time when changing bundle with manually；It addition, after stretch-draw completes, falsework to be removed.During prestressed stretch-draw, mobile, install and remove jack and become a suitable heavy task, therefore, study the movement of a kind of simple and effective and practical jack, installation has very important meaning with method for dismounting and equipment to bridge prestress construction.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides the prestressed stretch-draw jack that traditional falsework confession jack can be replaced to move freely and lift to move installation chassis and using method thereof.
The technical solution adopted for the present invention to solve the technical problems is:
Prestressed stretch-draw jack moves installation chassis, including groove-shaped supporting board, jacking equipment and chassis base, some rectangular openings it are provided with on described groove-shaped supporting board, in described rectangular opening by fixing bearing be provided with can along groove-shaped supporting board axis direction freely rotatable deter movable pulley, the end of groove-shaped supporting board is welded with annular snap close, described ring lock is buckled and is mated detachably grafting or top clip part is moved back in connection, groove-shaped supporting board is fixed on the upper end of described jacking equipment, jacking equipment lower end is arranged on described chassis base, and described chassis base bottom is provided with multidirectional movable pulley.
As the improvement of technique scheme, described groove-shaped supporting board is the steel groove structure that cross section is curved.
As the further improvement of technique scheme, described in move back top clip part be steel rod member or steel chain.
Further, described jacking equipment is hydraulic jack or Pneumatic jack, and jacking equipment is connected with described groove-shaped supporting board by sleeve.
Further, described chassis base is circular or the solid construction of rectangle or hollow frame structure, and chassis base and described jacking equipment are by welding or bolt anchoring mode is connected.
Further, described multidirectional movable pulley is provided with to individual, and multidirectional movable pulley is connected with the bearing sleeve under described chassis base by rotatable bearing.
Further, the sidewall of described groove-shaped supporting board 1 is provided with supporting plate suspension ring.
Above-mentioned prestressed stretch-draw jack moves the using method installing chassis, comprise the steps: the first step, use hanging device to be hung by stretch-draw jack to move on the groove-shaped supporting board installing chassis at prestressed stretch-draw jack, stretch-draw jack is transported to the stretching end of beam slab；Second step, the jacking equipment installing chassis is moved by regulation prestressed stretch-draw jack, jack centre-height is made to rise to the position of girder plate prestress bundle, and make very heavy apical pore be directed at prestressing tendon, prestressed stretch-draw jack is moved installation chassis and pushes beam slab to so that presstressed reinforcing steel penetrates in jack tension hole, installment work anchorage, stretch-draw jack installation, moves prestressed stretch-draw jack installation chassis removal or reduces height, starting tensioned prestressing bar；3rd step, after this bundle tension of prestressed tendon completes, moves prestressed stretch-draw jack installation chassis and resets or hoisting depth, top clip part will be moved back insert or be linked to two ring locks and buckle, removing work anchorage, push out prestressed stretch-draw jack and move installation chassis, jack has been dismantled.
The invention has the beneficial effects as follows: the present invention is available for stretch-draw jack and moves freely and regulate height, the falsework in tradition pre-stress construction can be substituted, greatly reduce preparation and the aftermath of prestressed stretch-draw, make the more convenient movement of tensioning equipment, install and remove, substantially increase the prefabricated or speed of application of cast-in-situ beam slab.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation that the embodiment of the present invention installs jack state；
Fig. 3 is the structural representation that the embodiment of the present invention removes jack state.
Detailed description of the invention
With reference to Fig. 1, the prestressed stretch-draw jack of the present invention moves installation chassis, including groove-shaped supporting board 1, deters movable pulley 11, supporting plate suspension ring 13, moves back top clip part 4, annular snap close 12, jacking equipment 2, chassis base 3 and multidirectional movable pulley 31.
Described groove-shaped supporting board 1 is provided with some rectangular openings for the upper surface of support jack, in this rectangular opening by fixing bearing install can along groove-shaped supporting board 1 the most freely rotatable deter movable pulley 11；One annular snap close 12 of each welding before and after groove-shaped supporting board 1 is by height positions such as beam slab one end, will move back in top clip part 4 is inserted directly into two annular snap closes 12 or be linked on two annular snap closes 12, and moving back top clip part 4 is steel rod member, or steel chain.
Groove-shaped supporting board 1 is the steel groove structure that cross section is curved, groove-shaped supporting board 1 can carry out spreading or shortening according to actual needs, and supporting plate arranges by beam slab one end and moves back top clip part 4, the when of moving back top, jack is fixed together with chassis, removes jack by rear moving stage car.
Groove-shaped supporting board 1 is fixed on the upper end of described jacking equipment 2, and jacking equipment 2 lower end is arranged on described chassis base 3, is provided with multidirectional movable pulley 31 bottom described chassis base 3.
Described jacking equipment 2, hydraulic jack can be used, Pneumatic jack can also be used, the vertical jack that one can be freely lifted replaces traditional chain block to complete the altitude mixture control of construction jack, sleeve connection is used bottom jacking equipment 2 top and groove-shaped supporting board 1, bottom groove-shaped supporting board 1, a solderable internal diameter is slightly larger than the steel cylinder of jack external diameter, is convenient for changing or removes supporting plate.
Described chassis base 3 shape uses circular or rectangle, and version can use solid construction or hollow frame framework, chassis base 3 to use welding or bolt anchoring mode to be connected with jacking equipment 2.
Described multidirectional movable pulley 31 is according to base shape and is actually needed and can arrange 3～5, and multidirectional movable pulley 31 is connected with the bearing sleeve under chassis base 3 by rotatable bearing.
It is provided with supporting plate suspension ring 13 on the sidewall of described groove-shaped supporting board 1.
Referring to figs. 2 and 3, when carrying out tension of prestressed tendon, use hanging device to be hung by stretch-draw jack and move on the groove-shaped supporting board 1 installing chassis at prestressed stretch-draw jack, stretch-draw jack is transported to the stretching end of beam slab；The jacking equipment 2 installing chassis is moved by regulation prestressed stretch-draw jack, jack centre-height is made to rise to the position of girder plate prestress bundle, and make very heavy apical pore be directed at prestressing tendon, prestressed stretch-draw jack is moved installation chassis and pushes beam slab to, presstressed reinforcing steel is made to penetrate in jack tension hole, installment work anchorage, stretch-draw jack installation, prestressed stretch-draw jack moved installation chassis removal or reduces height, starting tensioned prestressing bar；After this bundle tension of prestressed tendon completes, prestressed stretch-draw jack moves installation chassis reset or hoisting depth, top clip part 4 will be moved back and insert or be linked on two annular snap closes 12, and remove work anchorage, pushing out prestressed stretch-draw jack and move installation chassis, jack has been dismantled.
The above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches the technique effect of the present invention with any same or similar means, all should fall under the scope of the present invention.
Claims (8)
1. prestressed stretch-draw jack moves installation chassis, it is characterized in that: include groove-shaped supporting board, jacking equipment and chassis base, some rectangular openings it are provided with on described groove-shaped supporting board, in described rectangular opening by fixing bearing be provided with can along groove-shaped supporting board axis direction freely rotatable deter movable pulley, the end of groove-shaped supporting board is welded with annular snap close, described ring lock is buckled and is mated detachably grafting or top clip part is moved back in connection, groove-shaped supporting board is fixed on the upper end of described jacking equipment, jacking equipment lower end is arranged on described chassis base, described chassis base bottom is provided with multidirectional movable pulley.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that: described groove-shaped supporting board is the steel groove structure that cross section is curved.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that moving back top clip part described in: is steel rod member or steel chain.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that: described jacking equipment is hydraulic jack or Pneumatic jack, and jacking equipment is connected with described groove-shaped supporting board by sleeve.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that: described chassis base is circular or the solid construction of rectangle or hollow frame structure, and chassis base and described jacking equipment are by welding or bolt anchoring mode is connected.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that: described multidirectional movable pulley is provided with to individual, and multidirectional movable pulley is connected with the bearing sleeve under described chassis base by rotatable bearing.
Prestressed stretch-draw jack the most according to claim 1 moves installation chassis, it is characterised in that: it is provided with supporting plate suspension ring on the sidewall of described groove-shaped supporting board 1.
8. the prestressed stretch-draw jack described in claim 1-7 moves the using method installing chassis, it is characterized in that comprising the steps: the first step, use hanging device to be hung by stretch-draw jack to move on the groove-shaped supporting board installing chassis at prestressed stretch-draw jack, stretch-draw jack is transported to the stretching end of beam slab；Second step, the jacking equipment installing chassis is moved by regulation prestressed stretch-draw jack, jack centre-height is made to rise to the position of girder plate prestress bundle, and make very heavy apical pore be directed at prestressing tendon, prestressed stretch-draw jack is moved installation chassis and pushes beam slab to so that presstressed reinforcing steel penetrates in jack tension hole, installment work anchorage, stretch-draw jack installation, moves prestressed stretch-draw jack installation chassis removal or reduces height, starting tensioned prestressing bar；3rd step, after this bundle tension of prestressed tendon completes, moves prestressed stretch-draw jack installation chassis and resets or hoisting depth, top clip part will be moved back insert or be linked to two ring locks and buckle, removing work anchorage, push out prestressed stretch-draw jack and move installation chassis, jack has been dismantled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465409.XA CN105905849A (en) | 2016-06-22 | 2016-06-22 | Prestressed tensioning jack movable mounting trolley and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465409.XA CN105905849A (en) | 2016-06-22 | 2016-06-22 | Prestressed tensioning jack movable mounting trolley and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105905849A true CN105905849A (en) | 2016-08-31 |
Family
ID=56759502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610465409.XA Pending CN105905849A (en) | 2016-06-22 | 2016-06-22 | Prestressed tensioning jack movable mounting trolley and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105905849A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593418A (en) * | 2018-01-11 | 2018-09-28 | 浙江工业大学 | Simple equipment for providing horizontal movement |
| CN110116971A (en) * | 2019-05-07 | 2019-08-13 | 中国水电四局（兰州）机械装备有限公司 | A kind of fan blade wheel hub auxiliary assembling device |
| CN113073561A (en) * | 2021-03-30 | 2021-07-06 | 湖南省西湖建筑集团有限公司 | Bridge prestressing force is high-efficient rigging equipment for tensioning equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418123Y (en) * | 2000-04-28 | 2001-02-07 | 李明 | Moveable jack |
| CN2737738Y (en) * | 2004-10-19 | 2005-11-02 | 威海广泰空港设备股份有限公司 | Goods conveying platform |
| CN2751014Y (en) * | 2004-12-31 | 2006-01-11 | 李明 | Moveable jack |
| CN200971298Y (en) * | 2006-11-11 | 2007-11-07 | 中国石化集团胜利石油管理局渤海钻井总公司 | Safety lifting carriage for vehicle maintenance |
| CN103884640A (en) * | 2014-03-21 | 2014-06-25 | 北京工业大学 | Prestressed pipeline friction testing apparatus and installation method of apparatus |
| CN205802912U (en) * | 2016-06-22 | 2016-12-14 | 江门市安恒爆破工程有限公司 | Prestressed stretch-draw jack moves installation chassis |
-
2016
- 2016-06-22 CN CN201610465409.XA patent/CN105905849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418123Y (en) * | 2000-04-28 | 2001-02-07 | 李明 | Moveable jack |
| CN2737738Y (en) * | 2004-10-19 | 2005-11-02 | 威海广泰空港设备股份有限公司 | Goods conveying platform |
| CN2751014Y (en) * | 2004-12-31 | 2006-01-11 | 李明 | Moveable jack |
| CN200971298Y (en) * | 2006-11-11 | 2007-11-07 | 中国石化集团胜利石油管理局渤海钻井总公司 | Safety lifting carriage for vehicle maintenance |
| CN103884640A (en) * | 2014-03-21 | 2014-06-25 | 北京工业大学 | Prestressed pipeline friction testing apparatus and installation method of apparatus |
| CN205802912U (en) * | 2016-06-22 | 2016-12-14 | 江门市安恒爆破工程有限公司 | Prestressed stretch-draw jack moves installation chassis |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593418A (en) * | 2018-01-11 | 2018-09-28 | 浙江工业大学 | Simple equipment for providing horizontal movement |
| CN110116971A (en) * | 2019-05-07 | 2019-08-13 | 中国水电四局（兰州）机械装备有限公司 | A kind of fan blade wheel hub auxiliary assembling device |
| CN110116971B (en) * | 2019-05-07 | 2024-06-04 | 中国水电四局（兰州）机械装备有限公司 | Auxiliary assembling device for fan blade hub |
| CN113073561A (en) * | 2021-03-30 | 2021-07-06 | 湖南省西湖建筑集团有限公司 | Bridge prestressing force is high-efficient rigging equipment for tensioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113235913B (en) | Construction equipment and method for hanging, splicing and lifting vertical templates of building | |
| CN105905849A (en) | Prestressed tensioning jack movable mounting trolley and application method thereof | |
| CN108396749B (en) | Installation system and installation method of steel support in foundation pit | |
| CN106150105A (en) | A kind of stiffened column installation method | |
| JP6374353B2 (en) | How to build a bridge | |
| CN213328682U (en) | Mounting structure suitable for heavy scattered cable saddle | |
| CN205802912U (en) | Prestressed stretch-draw jack moves installation chassis | |
| CN101723240B (en) | Special fixture for hoisting rectangular section steel column and hoisting method by using same | |
| CN216515141U (en) | Novel cantilever construction creeping formwork device | |
| JP2019019477A (en) | Floor slab replacement method and portal crane | |
| CN207846233U (en) | A kind of holder transverse direction integral translation device | |
| CN1048066C (en) | Method and apparatus for integrally self-lifting scaffold | |
| CN217378638U (en) | Splicing seam adjusting device for mounting prefabricated box channel and box culvert | |
| CN111335172A (en) | Movable pier column beam prestressed tension hanger construction platform and construction method | |
| CN115162195B (en) | Internal mold hanging bracket device for construction of prestressed concrete short-tower cable-stayed bridge | |
| CN110820569B (en) | A hoistable suspension platform device for mold-turning construction and its working method | |
| JP2001115422A (en) | Dismantling method of supporting for form fixed to concrete slab | |
| CN109838087A (en) | Reusable assembled architecture support device | |
| CN112412152B (en) | Construction method of underslung derrick-free variable-section rectangular chimney support system | |
| JP2005171521A (en) | Work-execution method for pole head | |
| CN212358002U (en) | Movable pier column crossbeam prestressing force stretch-draw stores pylon construction platform | |
| CN113389388A (en) | Steel structure sliding device and sliding method | |
| CN218905807U (en) | Integral anchor sealing device for girder end of prestressed concrete box girder | |
| CN114439247B (en) | Large-span large-breadth suspended ceiling mobile construction method | |
| CN104652289B (en) | Dragging suspension basket slide installation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170608 Address after: 529000 Jianshe Road, Guangdong, Pengjiang District, No. 82, building No. 8, building three Applicant after: Jiangmen Municipal Enterprise Group Co., Ltd. Address before: 529000 Jianshe Road, Guangdong, Pengjiang District, No. 82, building No. 8, building three Applicant before: Jiangmen Anheng Blasting Engineering Co., Ltd. Applicant before: Guo Baode |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |