CN205077876U - Machine and stressing jack linkage are worn to restraint by prestress wire - Google Patents
Machine and stressing jack linkage are worn to restraint by prestress wire Download PDFInfo
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- CN205077876U CN205077876U CN201520773818.7U CN201520773818U CN205077876U CN 205077876 U CN205077876 U CN 205077876U CN 201520773818 U CN201520773818 U CN 201520773818U CN 205077876 U CN205077876 U CN 205077876U
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- brace
- rail beam
- steel slab
- embedded steel
- prestress wire
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Abstract
The utility model discloses a machine and stressing jack linkage are worn to restraint by prestress wire, it includes pre -buried steel sheet, a supporting beam, horizontal brace, bracing, track roof beam, electric block, chain and couple, the one end level welding of propping up supporting beam, horizontal brace, bracing is on pre -buried steel sheet, and the bottom surface middle part at a supporting beam is welded at a supporting beam's side middle part, the bracing other end to the welding of the horizontal brace other end, the one end of track roof beam is passed through the articulated slab and is installed at pre -buried steel sheet, and the welding of the upper portion of its other end has portal frame, the free end dress card that props up supporting beam is in portal frame, and the track roof beam can rotate around the hinged end level, electric block installs on the track roof beam, and the end of the chain on it is provided with the couple. The utility model provides a machine and stressing jack linkage are worn to restraint by prestress wire is applicable to the constrictive place of construction space, and it uses in a flexible way, but the accurate installation of equipment is ensured to adjustment device hoist and mount angle, its construction operation is safe, reliable, high -efficient, guarantees the prestress construction quality.
Description
Technical field
The utility model relates to prestressed reinforced concrete technical field of construction, particularly relates to a kind of prestress wire strand pulling machine and stretch-draw jack suspension arrangement.
Background technology
Utilizing strand pulling machine to carry out steel stranded wire penetrating adapter and carry out the prestressed construction technology of stretch-draw with jack, is that two containment nuclear power station prestress engineering is constructed requisite important procedure.Bivalve nuclear power station prestress engineering comprises one group of horizontal annular pipeline, this group horizontal pipe is along absolute altitude vertical distribution, altitude range is about 50m, and pipe ends is anchored at buttress both sides respectively, and buttress entirety is positioned among the ring corridor of nuclear power station inner containment and the formation of outer containment body of wall.Ring corridor width 1.8m residing for prestressed pore passage, construction space is narrow, does not have the structure platform can placing strand pulling machine in vertical range; And stretch-draw jack weight and volume is all larger.
Traditional construction method generally needs to set up the intensive scaffold of leaving a blank at middle part, arranges equipment turnover and the vertical passageways needed for construction such as jack in the middle of scaffold, and is constructed by tower crane suspension jack etc.There is following drawback in this conventional method: (one) is due to ring corridor narrow space in two containment nuclear power station pre-stress construction, scaffold spacing is very little, scaffolding height is high, and swing larger during tower crane handling, equipment enters after in ring corridor scaffold, and visibility status is poor, is unfavorable for tower crane commander and driver operation, therefore, the accurate control realizing jack position is very difficult, and easily member impacts etc. occurs, and working security is not high; (2) because construction space is narrow, constructor's inconvenient operation, wastes time and energy; And lashing and stretching construction operation all need to set up operating platform in each corresponding position, duct, need frequent, recovery scaffold floor platform, efficiency of construction is not high; (3) in pre-stress construction process, stress distribution steel bundle stretching construction adopts two ends stretch-draw, and lay respectively at buttress both sides, every side needs a tower crane, and tower crane distance is separated by comparatively near, and easily cause tower crane to collide, construction risk is high; And prestressing force lashing and the stretching construction time long, sequential production can take tower crane for a long time, causes the wasting of resources of tower crane, causes construction cost to increase.
In sum, the intensive scaffold left a blank in the middle part that traditional pre-stress construction is built cannot meet construction space narrow, two containment nuclear power station pre-stress construction.This just needs to design a kind of prestress wire strand pulling machine and stretch-draw jack suspension arrangement.
Summary of the invention
The purpose of this utility model is for above-mentioned technical problem, there is provided a kind of rational in infrastructure, easy to operate a kind of prestress wire strand pulling machine and stretch-draw jack suspension arrangement, be applicable to the place that construction space is narrow, it uses flexibly, adjustable apparatus lifting angle, guarantees that equipment is accurately installed; There is the advantage that constructing operation is safe, reliable, efficient, effectively ensure pre-stress construction quality.
The technical solution of the utility model:
For solving the problems of the technologies described above, the utility model provides a kind of prestress wire strand pulling machine and stretch-draw jack suspension arrangement, and it comprises pre-embedded steel slab, brace summer, horizontal brace, diagonal brace, rail beam, electric block, chain and hook; Pre-embedded steel slab comprises brace summer pre-embedded steel slab, horizontal brace pre-embedded steel slab, diagonal brace pre-embedded steel slab, rail beam pre-embedded steel slab; One end horizontal welding of brace summer is connected on brace summer pre-embedded steel slab; One end horizontal welding of horizontal brace is connected on horizontal brace pre-embedded steel slab, and its other end is welded in the middle part of the side of brace summer; One end of diagonal brace is welded on diagonal brace pre-embedded steel slab, and its other end is welded in the middle part of the bottom surface of brace summer; One end of rail beam is arranged on rail beam pre-embedded steel slab by articulated slab, and the upper weld of its other end has gate-type frame; The free end of brace summer is installed in gate-type frame, and rail beam can horizontally rotate around hinged end; Electric block is arranged on rail beam, and the chain end on it is provided with hook, and prestress wire strand pulling machine or stretch-draw jack are suspended on hook.
Further, described pre-embedded steel slab is embedded on inner containment.
Further, described gate-type frame is welded by two parallel risers and transverse slat, and the distance between two risers is greater than the width of brace summer.
Further, the free end of described brace summer is provided with block, and is bolted, and shows to prevent rail beam free end; The free end of described rail beam is provided with limited block, and is bolted, and deviates to prevent electric block mounted thereto.
Further, one end of described rail beam is connected with articulated slab by bearing pin, and its middle and upper part is provided with flashing board.
Further, described rail beam adopts H profile steel to make; Described brace summer adopts H profile steel or i iron to make; Described horizontal brace, diagonal brace adopt channel-section steel or square tube to make.
Further, described electric block is loop chain type electric block, and it is arranged on rail beam.
The utility model beneficial effect:
The prestress wire strand pulling machine that the utility model provides and stretch-draw jack suspension arrangement, be applicable to the place that construction space is narrow, and it uses flexibly, and adjustable apparatus lifting angle, guarantees that equipment is accurately installed; Its constructing operation is safe, reliable, efficient, ensures pre-stress construction quality.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structure top view;
Fig. 3 is the utility model construction schematic diagram;
Fig. 4 is the utility model construction sectional view;
Fig. 5 is the partial enlarged drawing of Fig. 3.
Wherein:
1. suspension arrangement; 2. pre-embedded steel slab; 2a. brace summer pre-embedded steel slab; 2b. horizontal brace pre-embedded steel slab; 2c. diagonal brace pre-embedded steel slab; 2d. rail beam pre-embedded steel slab; 3. brace summer; 4. horizontal brace; 5. diagonal brace; 6. rail beam; 7. electric block; 8. chain; 9. link up with; 10. gate-type frame; 11. flashing boards; 12. limiting plates; 13. baffle plates; 14. articulated slabs; 15. bolts; 16. bearing pins; 17. buttresses; 18. prestressed pore passages; 19. prestressed pipes; 20. domes; 21. outer containments; Complete shell in 22.; 23. region, ring corridors; 24. strand pulling machines and jack; 25. bases.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, a kind of prestress wire strand pulling machine of the utility model and stretch-draw jack suspension arrangement are described in detail:
Fig. 1 is the utility model structural representation, and it comprises pre-embedded steel slab 2, brace summer 3, horizontal brace 4, diagonal brace 5, rail beam 6, electric block 7, chain 8 and hook 9.
Be embedded in pre-embedded steel slab 2 on inner containment 22 and comprise brace summer pre-embedded steel slab 2a, horizontal brace pre-embedded steel slab 2b, diagonal brace pre-embedded steel slab 2c, rail beam pre-embedded steel slab 2d.
One end horizontal welding of brace summer 3 is connected on brace summer pre-embedded steel slab 2a, and its free end is provided with block 13, and is fixed by bolt 15.
Fig. 2 is top view of the present utility model, and one end horizontal welding of horizontal brace 4 is connected on horizontal brace pre-embedded steel slab 2b, and its other end is welded in the middle part of the side of brace summer 3; One end of diagonal brace 5 is welded on diagonal brace pre-embedded steel slab 2c, and its other end is welded in the middle part of the bottom surface of brace summer 3; The brace summer 3 that fixed level is installed combined by horizontal brace 4 and diagonal brace 5.
One end of rail beam 6 is arranged on rail beam pre-embedded steel slab 2d by articulated slab 14, and it is connected with articulated slab 14 by bearing pin 16, and the upper weld of its other end has gate-type frame 10; Gate-type frame 10 is welded by two parallel risers and transverse slat, and the distance between two risers is greater than the width of brace summer 3; The free end of brace summer 3 is installed in gate-type frame 10, and rail beam 6 can horizontally rotate around hinged end, to find best construction angle; Block 13 on brace summer 3 limits the amplitude of fluctuation of rail beam 6, effectively prevents rail beam 6 from deviating from, and guarantees the safety of constructing.
Electric block 7 is arranged on rail beam 6, and it can slide along rail beam 6, to regulate the position of electric block 7; The free end of rail beam 6 is provided with limited block 12, and is fixed by bolt 15, effectively prevents electric block 7 from deviating from, guarantees construction safety; The end of the chain 8 on electric block 7 is provided with hook 9, and strand pulling machine and stretch-draw jack 24 are suspended on hook 9.
The middle and upper part of rail beam 6 is provided with flashing board 11; After construction terminates, the below of adjustable electric block 7 to flashing board 11, reduces bad weather to the invasion of electric block 7, improves its application life.
In the present embodiment, the electric block 7 be arranged on rail beam 6 is loop chain type electric block; Described rail beam 6 adopts H profile steel to make; Described brace summer 3 adopts H profile steel or i iron to make; Described horizontal brace 4, diagonal brace 5 adopt channel-section steel or square tube to make.
Fig. 3 is construction schematic diagram of the present utility model, and nuclear power station prestress engineering comprises one group of horizontal annular pipeline, and this group horizontal pipe is along absolute altitude vertical distribution, and altitude range is about 50m; Prestressed pore passage 18 two ends are anchored at buttress 17 both sides respectively.Buttress 17 entirety is positioned at the region, ring corridor 23 that nuclear power station inner containment 22 and outer containment 21 body of wall are formed, and inner containment 22 and outer containment 21 are arranged on basis 25, and as shown in Figure 4,19 are arranged on inner containment 22 inside for prestressed pipe.
Fig. 5 is the partial enlarged drawing of Fig. 3, and the concrete operation step carrying out pre-stress construction at use the utility model is as follows:
S1: the angle of adjustment rail beam 6, to be placed in best construction location;
S2: start electric block 7 and rest in the suitable position of rail beam 6;
S3: according to the position of prestressed pore passage 18, selects suitable chain 8 according to lifting altitude, and is connected on the hook 9 on electric block 7;
S4: strand pulling machine or jack 24 had bad luck and hang on chain 8, starts electric block 7 and regulates, strand pulling machine or 24, jack are winched to prestressed pore passage 18, then carries out lashing or stretching construction;
S5: after lashing or stretch-draw complete, tears open and moves strand pulling machine or jack 24, regains chain 8, electric block 7 is rested in rain-proof shelter 11 times.
A kind of prestress wire strand pulling machine that the utility model provides and stretch-draw jack suspension arrangement, overcome the problem that ring corridor construction space is narrow, overcome that conventional construction method difficulty of construction is high, labor intensive and the time is many, cost is high, efficiency is low, safety is low shortcoming, improve the safety of lifting strand pulling machine and stretch-draw jack, agility, accuracy.
The utility model reasonable in design, use flexibly, can lift angle by conditioning equipment, guarantee that equipment is accurately installed; It is saved and prepares and the set-up time, alleviates installation difficulty, improves installation effectiveness; It can save tower crane resource, reduces construction cost; Its constructing operation is safe, reliable, efficient, ensures pre-stress construction quality.
Claims (7)
1. prestress wire strand pulling machine and a stretch-draw jack suspension arrangement, is characterized in that, comprises pre-embedded steel slab (2), brace summer (3), horizontal brace (4), diagonal brace (5), rail beam (6), electric block (7), chain (8) and hook (9); Pre-embedded steel slab (2) comprises brace summer pre-embedded steel slab (2a), horizontal brace pre-embedded steel slab (2b), diagonal brace pre-embedded steel slab (2c), rail beam pre-embedded steel slab (2d); One end horizontal welding of brace summer (3) is connected on brace summer pre-embedded steel slab (2a); One end horizontal welding of horizontal brace (4) is connected on horizontal brace pre-embedded steel slab (2b), and its other end is welded in the middle part of the side of brace summer (3); One end of diagonal brace (5) is welded on diagonal brace pre-embedded steel slab (2c), and its other end is welded in the middle part of the bottom surface of brace summer (3); One end of rail beam (6) is arranged on rail beam pre-embedded steel slab (2d) by articulated slab (14), and the upper weld of its other end has gate-type frame (10); The free end of brace summer (3) is installed in gate-type frame (10), and rail beam (6) can horizontally rotate around hinged end; Electric block (7) is arranged on rail beam (6), and the end of the chain (8) on it is provided with hook (9), and prestress wire strand pulling machine or stretch-draw jack (24) are suspended on hook (9).
2. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, described pre-embedded steel slab (2) is embedded on inner containment (22).
3. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, described gate-type frame (10) is welded by two parallel risers and transverse slat, and the distance between two risers is greater than the width of brace summer (3).
4. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, the free end of described brace summer (3) is provided with block (13), and fixed by bolt (15); The free end of described rail beam (6) is provided with limited block (12), and is fixed by bolt (15).
5. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, one end of described rail beam (6) is connected with articulated slab (14) by bearing pin (16), and its middle and upper part is provided with flashing board (11).
6. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, described rail beam (6) adopts H profile steel to make; Described brace summer (3) adopts H profile steel or i iron to make; Described horizontal brace (4), diagonal brace (5) adopt channel-section steel or square tube to make.
7. prestress wire strand pulling machine according to claim 1 and stretch-draw jack suspension arrangement, is characterized in that, described electric block (7) is loop chain type electric block, and it is arranged on rail beam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773818.7U CN205077876U (en) | 2015-10-08 | 2015-10-08 | Machine and stressing jack linkage are worn to restraint by prestress wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773818.7U CN205077876U (en) | 2015-10-08 | 2015-10-08 | Machine and stressing jack linkage are worn to restraint by prestress wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205077876U true CN205077876U (en) | 2016-03-09 |
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ID=55430290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520773818.7U Expired - Fee Related CN205077876U (en) | 2015-10-08 | 2015-10-08 | Machine and stressing jack linkage are worn to restraint by prestress wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205077876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645619A (en) * | 2022-03-31 | 2022-06-21 | 中国核工业华兴建设有限公司 | Construction method for integrally drawing Gamma steel bundle stranded wire of containment vessel of nuclear power station |
-
2015
- 2015-10-08 CN CN201520773818.7U patent/CN205077876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645619A (en) * | 2022-03-31 | 2022-06-21 | 中国核工业华兴建设有限公司 | Construction method for integrally drawing Gamma steel bundle stranded wire of containment vessel of nuclear power station |
| CN114645619B (en) * | 2022-03-31 | 2023-08-11 | 中国核工业华兴建设有限公司 | Construction method for integrally pulling Gamma steel strand of containment vessel of nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20181008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |