CN202006361U - Core extraction machine - Google Patents
Core extraction machine Download PDFInfo
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- CN202006361U CN202006361U CN2011200214731U CN201120021473U CN202006361U CN 202006361 U CN202006361 U CN 202006361U CN 2011200214731 U CN2011200214731 U CN 2011200214731U CN 201120021473 U CN201120021473 U CN 201120021473U CN 202006361 U CN202006361 U CN 202006361U
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- hand thread
- upper spider
- nut
- bearing bracket
- facility
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Abstract
The utility model relates to the technical field of a horizontal U-shaped tubular heat exchanger core extraction device, in particular to a core extraction machine. The core extraction machine comprises a supporting frame, two bearing trolleys, supporting blocks and a hydraulic transmission device, wherein the front part and the rear part of the supporting frame are fixedly provided with guide rails respectively; rollers are arranged in front of and behind the bottoms of the bearing trolleys respectively; the two bearing trolleys are positioned on the guide rails from left to right through the rollers respectively; the right part of the bearing trolley on the right side is fixedly provided with the hydraulic transmission device which can drive the bearing trolley to move along the guide rail; and the front part and the rear part of each bearing trolley are fixedly provided with the supporting blocks capable of supporting a heat exchanger core respectively. The machine has a rational and compact structure and is convenient to use; the heat exchanger core is stably and efficiently extracted from a heat exchanger shell and reassembled through the hydraulic device, the supporting frame and the two bearing trolleys; the labor intensity and the overhauling cost and the maintenance cost are greatly reduced; and the potential safety hazard is also reduced.
Description
Technical field
The utility model relates to horizontal U type heat exchange of heat pipe core-pulling device technical field, is a kind of facility of loosing core.
Background technology
Oil pipeline road system (and in other petrochemical systems) uses heat exchanger very extensive, and heat exchanger is mainly used in heat exchange, improves the rerum natura of working media.Heat exchanger body is carrying HTHP, belongs to special equipment, so need periodic inspection or maintenance, also leaks sometimes, need in time carry out upkeep operation.At present, main crane, rope tool and the manpower thereof of relying on of heat exchanger maintenance extracted the heat exchanger fuse out in the heat exchanger shell, and general heat exchanger core weight is about 2 tons, and length reaches 6 meters, and what have is longer, bigger.So the labor intensity of loosing core is big and have potential safety hazard and maintenance, a problem that maintenance cost is high.
Summary of the invention
The utility model provides a kind of facility of loosing core, and has overcome the deficiency of above-mentioned prior art, and it can effectively solve and change that heat exchanger core labour intensity is big, maintenance, maintenance cost is high and the problem that has potential safety hazard.
The technical solution of the utility model realizes by following measure: a kind of facility of loosing core comprise bracing frame, two load-bearing dollies, back-up block and hydraulic transmissions; On the front and rear of bracing frame, be installed with guide rail respectively, be separately installed with roller in load-bearing dolly front side, bottom and rear side, two load-bearing dollies lay respectively on the guide rail by roller from left to right, be installed with at the right part that is positioned at right-hand load-bearing dolly and can drive the hydraulic transmission that the load-bearing dolly moves along guide rail, on the front and rear of each load-bearing dolly, be installed with the back-up block that to hold heat exchanger core respectively.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned load-bearing dolly can comprise lower bearing bracket and upper spider; Bottom left and right side at lower bearing bracket are separately installed with roller, roller lays respectively on the guide rail, upper spider is arranged above lower bearing bracket, and lower bearing bracket and upper spider are fixedly installed togather, and are installed with the back-up block that can hold heat exchanger core on the front and rear of upper spider respectively.
Can be separately installed with on the upper spider in the above-mentioned back-up block outside and the lower bearing bracket and can drive the lowering or hoisting gear that upper spider moves up and down, this lowering or hoisting gear comprises the right-hand thread nut, following left-hand thread nut, last right-hand thread screw rod, following left-hand thread screw rod and connecting cylinder, last right-hand thread nut and following left-hand thread nut are fixedly mounted on respectively on upper spider and the lower bearing bracket, the upper end of last right-hand thread screw rod is installed in the right-hand thread nut by right-handed thread, the lower end of following left-hand thread screw rod is installed in down in the left-hand thread nut by the left-hand thread screw thread, the upper end of the lower end of last right-hand thread screw rod and following left-hand thread screw rod is separately fixed on the top and bottom of connecting cylinder, and radially loop bar hole is arranged on connecting cylinder.
Can be installed with respectively on the front and rear of above-mentioned and the corresponding upper spider of back-up block and be to tilt to the inside and corresponding hold-down nut, on each hold-down nut, be installed with lifting screw, the upper end of lifting screw is stretched out hold-down nut and is installed with back-up block, and the lower end of lifting screw is stretched out hold-down nut and is fixed with rotating nut.
The upper end of above-mentioned lifting screw can be equipped with universal knot, is installed with back-up block universal tying by bearing pin.
Above-mentioned hydraulic means can comprise hydraulic cylinder and piston rod, on bracing frame, the hydraulic cylinder fixed mount is installed by bolting, on the hydraulic cylinder fixed mount, be installed with hydraulic cylinder, right part at lower bearing bracket is fixed with the piston rod connector, and the outer end of piston rod and piston rod connector are fixedly installed togather.
Above-mentioned bracing frame can comprise support body and feet, and base plate is arranged below feet, has on base plate and the corresponding stopper slot of feet, and the lower end of feet is installed in the stopper slot.
The guider that at least one can be arranged between above-mentioned lower bearing bracket and the upper spider, this guider comprises guide post and positioning tube, the upper end of guide post is fixed on the upper spider, and the lower end of positioning tube is fixed on the lower bearing bracket, and the bottom of the guide post that can move up and down with upper spider is sleeved in the positioning tube.
The utility model reasonable and compact in structure, easy to use, it can steadily extract and return the heat exchanger fuse out dress efficiently by hydraulic means, bracing frame and two load-bearing dollies in heat exchanger shell, it has greatly reduced labour intensity and maintenance, maintenance cost, has also reduced potential safety hazard.
Description of drawings
Accompanying drawing 2 is the right TV structure schematic diagram of accompanying drawing 1.
Accompanying drawing 3 is the plan structure schematic diagram of accompanying drawing 1.
Accompanying drawing 5 is the right TV structure schematic diagram of accompanying drawing 4.
Accompanying drawing 6 is the plan structure schematic diagram of accompanying drawing 4.
Accompanying drawing 7 is the main TV structure schematic diagram of load-bearing dolly in the utility model.
Accompanying drawing 8 is the right TV structure schematic diagram of accompanying drawing 7.
Accompanying drawing 9 is the plan structure schematic diagram of accompanying drawing 7.
Coding in the accompanying drawing is respectively: 1 is the load-bearing dolly, and 2 is back-up block, and 3 is guide rail, 4 is roller, and 5 is guide post, and 6 is lower bearing bracket, 7 is upper spider, and 8 is last right-hand thread nut, and 9 are following left-hand thread nut, 10 is last right-hand thread screw rod, and 11 are following left-hand thread screw rod, and 12 is connecting cylinder, 13 are loop bar hole radially, and 14 is hold-down nut, and 15 is lifting screw, 16 is rotating nut, 17 is universal knot, and 18 is hydraulic cylinder, and 19 is piston rod, 20 is the hydraulic cylinder fixed mount, 21 is the piston rod connector, and 22 is support body, and 23 is feet, 24 is base plate, and 25 is positioning tube.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1 to 3, these facility of loosing core comprise bracing frame, two load-bearing dollies 1, back-up block 2 and hydraulic transmissions; On the front and rear of bracing frame, be installed with guide rail 3 respectively, be separately installed with roller 4 in load-bearing dolly front side, 1 bottom and rear side, two load-bearing dollies 1 lay respectively on the guide rail 3 from left to right by roller 4, be installed with at the right part that is positioned at right-hand load-bearing dolly 1 and can drive the hydraulic transmission that load-bearing dolly 1 moves along guide rail 3, on the front and rear of each load-bearing dolly 1, be installed with the back-up block 2 that to hold the heat exchanger fuse respectively.
Can according to actual needs the above-mentioned facility of loosing core be made further optimization and/or improvements:
Shown in accompanying drawing 1,2,3,7,8,9, load-bearing dolly 1 comprises lower bearing bracket 6 and upper spider 7; Bottom left and right side at lower bearing bracket 6 are separately installed with roller 4, roller 4 lays respectively on the guide rail 3, upper spider 7 is arranged above lower bearing bracket 6, lower bearing bracket 6 and upper spider 7 are fixedly installed togather, and are installed with the back-up block 2 that can hold heat exchanger core on the front and rear of upper spider 7 respectively.
As accompanying drawing 7,8, shown in 9, be separately installed with on the upper spider 7 in back-up block 2 outsides and the lower bearing bracket 6 and can drive the lowering or hoisting gear that upper spider 7 moves up and down, this lowering or hoisting gear comprises right-hand thread nut 8, following left-hand thread nut 9, last right-hand thread screw rod 10, following left-hand thread screw rod 11 and connecting cylinder 12, last right-hand thread nut 8 and following left-hand thread nut 9 are fixedly mounted on respectively on upper spider 7 and the lower bearing bracket 6, the upper end of last right-hand thread screw rod 10 is installed in the right-hand thread nut 8 by right-handed thread, the lower end of following left-hand thread screw rod 11 is installed in down in the left-hand thread nut 9 by the left-hand thread screw thread, the upper end of the lower end of last right-hand thread screw rod 10 and following left-hand thread screw rod 11 is separately fixed on the top and bottom of connecting cylinder 12, radially loop bar hole 13 is arranged on connecting cylinder 12, during use, loop bar is enclosed within radially in the loop bar hole 13, rotate loop bar, upper spider 7 is moved up and down with the same right-hand thread nut 8.
Shown in accompanying drawing 7,8,9, be to tilt to the inside and corresponding hold-down nut 14 with being installed with respectively on the front and rear of back-up block 2 corresponding upper spiders 7, on each hold-down nut 14, be installed with lifting screw 15, the upper end of lifting screw 15 is stretched out hold-down nut 14 and is installed with back-up block 2, the lower end of lifting screw 15 is stretched out hold-down nut 14 and is fixed with rotating nut 16, like this, can adjust the height of lifting screw 15 by rotating rotating nut 16.
Shown in accompanying drawing 7,8,9, the upper end of lifting screw 15 is equipped with universal knot 17, on universal knot 17, be installed with back-up block 2 by bearing pin, like this, when the heat exchanger fuse is sitting on two back-up blocks 2 when needing to adjust height, when rotating the height of rotating nut 16 adjustment lifting screws 15, the heat exchanger fuse can be convenient to adjusting by the axle trace rotation of universal joint 17 around lifting screw 15.
Shown in accompanying drawing 4,5,6, hydraulic means comprises hydraulic cylinder 18 and piston rod 19, on bracing frame, hydraulic cylinder fixed mount 20 is installed by bolting, on hydraulic cylinder fixed mount 20, be installed with hydraulic cylinder 18, right part at lower bearing bracket 6 is fixed with piston rod connector 21, and the outer end of piston rod 19 and piston rod connector 21 are fixedly installed togather.
Shown in accompanying drawing 4,5,6, bracing frame comprises support body 22 and feet 23, and base plate 24 is arranged below feet 23, have on base plate 24 and feet 23 corresponding stopper slots, the lower end of feet 23 is installed in the stopper slot, like this, can stop the bracing frame forced-slip, reduce potential safety hazard.
Shown in accompanying drawing 7,8,9, the guider that at least one is arranged between lower bearing bracket 6 and the upper spider 7, this guider comprises guide post 5 and positioning tube 25, the upper end of guide post 5 is fixed on the upper spider 7, the lower end of positioning tube 25 is fixed on the lower bearing bracket 6, the bottom of the guide post 5 that can move up and down with upper spider 7 is sleeved in the positioning tube 25, and guider can play guide effect.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment: at first the end socket of heat exchanger is pulled down, by crane the tube bank flange of heat exchanger fuse is hauled out a little then, height reduction with load-bearing dolly 1 extend into tube bank flange bottom again, by the height of adjusting pedestal in the connecting cylinder adjustment make back-up block touch lifting rope that the tube bank flange unclamps crane weight is fallen on the load-bearing dolly 1 back just can be with hydraulic cylinder 18 hauling-out heat exchanger fuses, when the stroke of piston rod 19 is not enough, hydraulic cylinder 18 and hydraulic cylinder fixed mount 20 are pulled down and past moving right from bracing frame, again hydraulic cylinder 18 is fixedly mounted on the bracing frame, by the time when the heat exchanger fuse comes out in housing soon, second load-bearing dolly 1 is put on the guide rail 3, the rear portion of heat exchanger fuse is placed on second load-bearing dolly 1, can carry out the maintenance work of heat exchanger fuse, when needs are installed, earlier the heat exchanger fuse is placed on two load-bearing dollies 1, adjust height, and fine setting universal joint 17 obtains correct fuse orientation, the left part of heat exchanger fuse is placed in the housing, remove the load-bearing dolly 1 that hydraulic cylinder 18 is not installed then, get final product the heat exchanger fuse being transported in the housing by hydraulic cylinder 18.
Claims (10)
1. the facility of loosing core is characterized in that comprising bracing frame, two load-bearing dollies, back-up block and hydraulic transmissions; On the front and rear of bracing frame, be installed with guide rail respectively, be separately installed with roller in load-bearing dolly front side, bottom and rear side, two load-bearing dollies lay respectively on the guide rail by roller from left to right, be installed with at the right part that is positioned at right-hand load-bearing dolly and can drive the hydraulic transmission that the load-bearing dolly moves along guide rail, on the front and rear of each load-bearing dolly, be installed with the back-up block that to hold heat exchanger core respectively.
2. the facility of loosing core according to claim 1 is characterized in that the load-bearing dolly comprises lower bearing bracket and upper spider; Bottom left and right side at lower bearing bracket are separately installed with roller, roller lays respectively on the guide rail, upper spider is arranged above lower bearing bracket, and lower bearing bracket and upper spider are fixedly installed togather, and are installed with the back-up block that can hold heat exchanger core on the front and rear of upper spider respectively.
3. the facility of loosing core according to claim 2, it is characterized in that being separately installed with on the upper spider in the back-up block outside and the lower bearing bracket and can drive the lowering or hoisting gear that upper spider moves up and down, this lowering or hoisting gear comprises the right-hand thread nut, following left-hand thread nut, last right-hand thread screw rod, following left-hand thread screw rod and connecting cylinder, last right-hand thread nut and following left-hand thread nut are fixedly mounted on respectively on upper spider and the lower bearing bracket, the upper end of last right-hand thread screw rod is installed in the right-hand thread nut by right-handed thread, the lower end of following left-hand thread screw rod is installed in down in the left-hand thread nut by the left-hand thread screw thread, the upper end of the lower end of last right-hand thread screw rod and following left-hand thread screw rod is separately fixed on the top and bottom of connecting cylinder, and radially loop bar hole is arranged on connecting cylinder.
4. according to claim 2 or the 3 described facility of loosing core, it is characterized in that being installed with respectively on the front and rear with the corresponding upper spider of back-up block and be to tilt to the inside and corresponding hold-down nut, on each hold-down nut, be installed with lifting screw, the upper end of lifting screw is stretched out hold-down nut and is installed with back-up block, and the lower end of lifting screw is stretched out hold-down nut and is fixed with rotating nut.
5. the facility of loosing core according to claim 4 is characterized in that the upper end of lifting screw is equipped with universal knot, are installed with back-up block universal tying by bearing pin.
6. according to claim 2 or the 3 described facility of loosing core, it is characterized in that hydraulic means comprises hydraulic cylinder and piston rod, on bracing frame, the hydraulic cylinder fixed mount is installed by bolting, on the hydraulic cylinder fixed mount, be installed with hydraulic cylinder, right part at lower bearing bracket is fixed with the piston rod connector, and the outer end of piston rod and piston rod connector are fixedly installed togather.
7. the facility of loosing core according to claim 5, it is characterized in that hydraulic means comprises hydraulic cylinder and piston rod, on bracing frame, the hydraulic cylinder fixed mount is installed by bolting, on the hydraulic cylinder fixed mount, be installed with hydraulic cylinder, right part at lower bearing bracket is fixed with the piston rod connector, and the outer end of piston rod and piston rod connector are fixedly installed togather.
8. according to claim 1 or the 2 or 3 described facility of loosing core, it is characterized in that bracing frame comprises support body and feet, base plate is arranged below feet, have on base plate and the corresponding stopper slot of feet, the lower end of feet is installed in the stopper slot.
9. the facility of loosing core according to claim 8 is characterized in that bracing frame comprises support body and feet, and base plate is arranged below feet, have on base plate and the corresponding stopper slot of feet, and the lower end of feet is installed in the stopper slot.
10. the facility of loosing core according to claim 9, it is characterized in that having between lower bearing bracket and the upper spider guider of at least one, this guider comprises guide post and positioning tube, the upper end of guide post is fixed on the upper spider, the lower end of positioning tube is fixed on the lower bearing bracket, and the bottom of the guide post that can move up and down with upper spider is sleeved in the positioning tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200214731U CN202006361U (en) | 2011-01-24 | 2011-01-24 | Core extraction machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200214731U CN202006361U (en) | 2011-01-24 | 2011-01-24 | Core extraction machine |
Publications (1)
Publication Number | Publication Date |
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CN202006361U true CN202006361U (en) | 2011-10-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011200214731U Expired - Fee Related CN202006361U (en) | 2011-01-24 | 2011-01-24 | Core extraction machine |
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CN (1) | CN202006361U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105129615A (en) * | 2015-09-18 | 2015-12-09 | 兰州兰石重型装备股份有限公司 | Plate heat exchanger core body assembling tackle and use method thereof |
CN109748191A (en) * | 2017-11-07 | 2019-05-14 | 中冶宝钢技术服务有限公司 | Movable tube sheets heat exchanger core pulling technique |
-
2011
- 2011-01-24 CN CN2011200214731U patent/CN202006361U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105129615A (en) * | 2015-09-18 | 2015-12-09 | 兰州兰石重型装备股份有限公司 | Plate heat exchanger core body assembling tackle and use method thereof |
CN109748191A (en) * | 2017-11-07 | 2019-05-14 | 中冶宝钢技术服务有限公司 | Movable tube sheets heat exchanger core pulling technique |
CN109748191B (en) * | 2017-11-07 | 2020-03-24 | 中冶宝钢技术服务有限公司 | Core-pulling process for floating head heat exchanger |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20140124 |