CN201713796U - Fixed type trashrack for vertical shaft type water inlet and outlet of hydroelectrical power plant - Google Patents
Fixed type trashrack for vertical shaft type water inlet and outlet of hydroelectrical power plant Download PDFInfo
- Publication number
- CN201713796U CN201713796U CN 201020111534 CN201020111534U CN201713796U CN 201713796 U CN201713796 U CN 201713796U CN 201020111534 CN201020111534 CN 201020111534 CN 201020111534 U CN201020111534 U CN 201020111534U CN 201713796 U CN201713796 U CN 201713796U
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- base plate
- welded
- steel
- bar structure
- trashrack
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Abstract
The utility model discloses a fixed type trashrack for vertical shaft type water inlet and outlet of a hydroelectrical power plant, which comprises embedded parts, a grid bar structure and a connecting device, wherein the embedded parts comprise a mounting frame, a cross beam, a bracket and a sliding support saddle; the mounting frame adopts a high-rigidity steel structure used for fixing the bracket; the cross beam comprises a top beam, a bottom beam and a middle beam which are used for supporting the grid bar structure; the bracket comprises a cross beam bracket, a grid bar structure lateral support plate supporting bracket and a sliding support saddle bracket which are respectively used for supporting the cross beam, the lateral support plate of the grid bar structure and the sliding support saddle, and are all welded on the mounting frame; the sliding support saddle is used for supporting the free end of the middle beam; and the grid bar structure is fixed on the cross beam via the connecting device.
Description
Technical field
The utility model relates to a kind of trashrack that is used for the power station, particularly relates to a kind of fixed trashrack that is used for power station vertical shaft type intake-outlet.
Background technology
The mode that domestic existing trashrack transmits load all is to pass to crossbeam by grizzly bar and longeron, and crossbeam is passed to vertical side bar again, and side bar is passed to grid groove built-in fitting by the supporting arrangement that is installed on the side bar, passes to concrete structure by grid groove built-in fitting at last.The vertical shaft type intake-outlet is provided with 8 and is the concrete gate pier that radial pattern is arranged, angle is 45 ° between the adjacent gate pier, the gate pier top is provided with the concrete top cover, thereby forms 8 apertures, and the aperture is up-narrow and down-wide, be trapezoidal, and be in tilted layout, be subjected to the restriction of gate pier arrangement and thickness, trashrack grid groove both can't be set, thereby can not adopt conventional second stage concrete method that the trashrack built-in fitting is installed, can not give built-in fitting with the Load Transfer that it bore by the side bar of trashrack.Therefore, need a kind of novel trashrack that is applicable to power station vertical shaft type intake-outlet structure of research and development.
The utility model content
The utility model aims to provide a kind of power station vertical shaft type intake-outlet and dismountable fixed trashrack of grizzly bar structure of being applicable to.
The technical scheme of fixed trashrack that the utility model is used for power station vertical shaft type intake-outlet is as follows:
The fixed trashrack that the utility model is used for power station vertical shaft type intake-outlet comprises built-in fitting, grizzly bar structure and linkage;
Described built-in fitting comprises mounting bracket, crossbeam, sliding support and carriage; Described mounting bracket is the bigger steel framework of rigidity that will be embedded in the gate pier concrete; Described crossbeam comprises back timber, bottom girder and intermediate transverse girder; Described carriage comprises crossbar bracket, grizzly bar structure lateral support board bracket and sliding support carriage; Described various carriage all is welded on the described mounting bracket, and described sliding support is welded on the described sliding support carriage; Described top, bottom girder are welded on the described crossbar bracket; One end of described intermediate transverse girder is welded on the described crossbar bracket, the other end then insert in the described sliding support and within it portion be free to slide; Described grizzly bar structure uses described linkage to be fixed on the described crossbeam.
Described grizzly bar structure is trapezoidal, be divided into symmetrical two along the aperture center line, each piece all is a right-angled trapezium, and the grizzly bar structure is made up of grizzly bar, lateral support angle steel, apart transverse support plates and end plate thereof, described grizzly bar is one group of band steel, and spacing is up-narrow and down-wide; Described lateral support angle steel is the angle steel that is cut into a section, is placed by back-off, be bearing between the grizzly bar, and along angle steel and the welding of grizzly bar contact position; Described apart transverse support plates is the steel plate that length equates with grid piece width, at they and the grizzly bar place that meets, cuts out gap, and grizzly bar is inserted gap, and along the two intersection welding; In the outboard end of described each road apart transverse support plates, all be welded with a rectangle end plate, described end plate is provided with boring.
Described linkage comprises press strip, pressing plate and stainless steel bolt nut.Described press strip is the back-off angle steel that length equates with the grizzly bar structure width, and the centre is welded with steel plate as supporting, and described pressing plate is a steel plate of making Ω shape, and boring is all arranged on two limbs.
Described mounting bracket is welded by angle steel, four angle steel are formed a up-narrow and down-wide right-angled trapezium, and the centre is welded with the lateral support angle steel, and two described parallelism structurals are arranged, angle steel with lateral arrangement is linked to be a steel framework again, and four pin of steel framework are welded with four soles.
Described crossbeam comprises back timber, intermediate transverse girder and bottom girder, be the welded plate girder of I shape section, and all there are 45 ° of corner cuts the end along the web direction, the preceding frange plate of top, bottom girder respectively is welded with two row's stainless steel bolts, bolt equates at interval with the axis symmetric arrangement of beam.Below the back frange plate of crossbeam, be welded with row's V-type band steel.Be the bolts hole that symmetric arrangement two row spacings equate with its axis on the preceding edge of a wing of intermediate transverse girder.
Described carriage comprises crossbar bracket, grizzly bar structure lateral support board bracket and sliding support carriage, described crossbar bracket has bottom girder carriage, back timber carriage and intermediate transverse girder carriage again, all be welded, and the length of angle steel and the angle between the two are that position and inclination angle according to the holder crossbeam draws as calculated by 2 angle steel; Described grizzly bar structure lateral support board bracket is welded by 2 angle steel and 2 channel-section steels, and described 2 angle steel and 2 parallel separately placements of channel-section steel vertically weld together then, and described angle steel length is by the determining positions of apart transverse support plates; Described sliding support carriage is welded by 4 angle steel and 2 channel-section steels, wherein, two angle steel weld together, and two groups of described parallelism structurals that welded by two angle steel are placed, channel-section steel with two vertical therewith placements welds together again, constitutes a steel framework.
Described sliding support is a parallelepiped in shape, comprise preceding base plate, back base plate, top board, base plate, end plate, before described, back base plate all is a parallelogram steel plate, and back base plate is slightly longer than preceding base plate, before described, a bronze sheet is respectively arranged on the back base plate, and utilize countersunk head screw to be connected with described base plate, described base plate is the steel plate of a parallelogram, both ends are welded with 2 stainless steel bands, base plate before described, back base plate, top board, base plate connects by bolt, described end plate is welded on the termination, and wherein an end is shut, and the other end is the opening of an inclination.
The beneficial effect that the utility model is used for the fixed trashrack of power station vertical shaft type intake-outlet is:
The utility model trashrack has adapted to the requirement of power station vertical shaft type intake-outlet layout and structural shape; Owing to be provided with sliding support, an end of intermediate transverse girder can be free to slide in sliding support, can prevent effectively that intermediate transverse girder from installing or destroying because of expanding with heat and contract with cold between turn(a)round gate pier at trashrack; Owing to adopted linkage, the grizzly bar structure is detachable, has made things convenient for the routine maintenance of grizzly bar structure itself and built-in fitting.
Description of drawings
Fig. 1 is used for the grizzly bar structural representation of the fixed trashrack of power station vertical shaft type intake-outlet for the utility model;
Fig. 2 is used for the grizzly bar structure A-A of fixed trashrack of power station vertical shaft type intake-outlet to view for the utility model;
Fig. 3 is used for the crossbeam of the fixed trashrack of power station vertical shaft type intake-outlet and arranges elevational schematic view for the utility model;
Fig. 4 is used for the intermediate transverse girder of the fixed trashrack of power station vertical shaft type intake-outlet and arranges that A-A is to view for the utility model;
Fig. 5 is used for the built-in fitting schematic diagram of the fixed trashrack of power station vertical shaft type intake-outlet for the utility model;
Fig. 6 is used for the linkage schematic diagram of the fixed trashrack of power station vertical shaft type intake-outlet for the utility model;
Fig. 7 is used for the sliding support schematic diagram of the fixed trashrack of power station vertical shaft type intake-outlet for the utility model;
Fig. 8 is used for the sliding support A-A sectional drawing of the fixed trashrack of power station vertical shaft type intake-outlet for the utility model;
Fig. 9 is used for the fixed trashrack schematic top plan view of power station vertical shaft type intake-outlet for the utility model;
The upright schematic diagram of looking of vertical shaft intake-outlet when the fixed trashrack that Figure 10 is used for power station vertical shaft type intake-outlet for the utility model uses;
Wherein: 1, grizzly bar, 2, the lateral support angle steel, 3, apart transverse support plates, 4, the lateral support end plate, 5, back timber, 6, intermediate transverse girder, 7, bottom girder, 8, gate pier, 9, the carriage of apart transverse support plates, 10, crossbar bracket, 11, mounting bracket, 12, the sliding support carriage, 13, sliding support, 14, pressing plate, 15, press strip, 16, bolt, 17, the preceding edge of a wing of crossbeam, 18, cantilever diaphragm, 19, the edge of a wing behind the crossbeam.
The specific embodiment
Referring to accompanying drawing 1～8, the utility model is used for the fixed trashrack of power station vertical shaft type intake-outlet, comprises built-in fitting, grizzly bar structure and linkage.Described built-in fitting comprises mounting bracket 11, crossbeam, sliding support 13 and carriage; Described mounting bracket 11 is embedded in the gate pier 8; Described crossbeam comprises back timber 5, intermediate transverse girder 6 and bottom girder 7; Described carriage comprises the lateral support board bracket 9 and the sliding support carriage 12 of crossbar bracket 10, grizzly bar structure; Described various carriage all is welded on the mounting bracket 11, and described sliding support 13 is welded on the described sliding support carriage 12; Described back timber 5, bottom girder 7 are welded on the described crossbar bracket 10; One end of described intermediate transverse girder is welded on the crossbar bracket 10, and the other end then inserts in the described sliding support 13 and can slide within it; Affiliated grizzly bar structure uses described linkage to be fixed on described back timber 5, intermediate transverse girder 6 and the bottom girder 7.Described grizzly bar structure apart transverse support plates end plate 4 links together with bolt with the top board of lateral support board bracket 9.
Referring to accompanying drawing 1 and accompanying drawing 2, described grizzly bar structure is trapezoidal, is divided into symmetrical two along the aperture center line, and each piece all is a right-angled trapezium, and the grizzly bar structure is made up of grizzly bar 1, lateral support angle steel 2 and apart transverse support plates 3.Grizzly bar 1 is a band steel, and spacing is up-narrow and down-wide, and apart transverse support plates 3 is apart transverse support plates that length equates with the width of a grizzly bar structure, at they and the grizzly bar place that meets, cuts out the gap of certain depth, and grizzly bar is inserted gap, and along the two intersection welding; Described lateral support angle steel 2 is the angle steel that are cut into a section, is placed by back-off, be bearing between the grizzly bar 1, and along angle steel and the welding of grizzly bar contact position.All be welded with the end plate 4 of a rectangle in the outboard end of each road apart transverse support plates, described end plate 4 is provided with bolt hole.
Referring to accompanying drawing 3 and accompanying drawing 4, described crossbeam comprises back timber 5, bottom girder 7 and intermediate transverse girder 6, be all the welded plate girder structure of I shape section, form by the preceding edge of a wing 17, web 18 and the edge of a wing 19, back, all there are 45 ° of corner cuts the end of crossbeam along the web direction, respectively be welded with two row's stainless steel bolts on the preceding frange plate 17 of back timber 5 and bottom girder 7, bolt is with the axis symmetric arrangement of beam, equate at interval, below the back frange plate 19 of crossbeam, be welded with row's V-type band steel, arrange bolts hole with its axis symmetric arrangement two on the preceding edge of a wing of intermediate transverse girder 6.
Referring to accompanying drawing 5, described mounting bracket 11 is welded by angle steel, and four angle steel are formed a up-narrow and down-wide right-angled trapezium, the centre be welded with three horizontal rows to the angle steel of arranging as supporting.Two such steel members are arranged in parallel, and are linked to be a steel framework that rigidity is bigger thereby respectively weld five horizontal rows before and after between them again to the angle steel of arranging, four pin of described steel framework are welded with four soles.
Described carriage comprises crossbar bracket 10, grizzly bar structure lateral support board bracket 9 and sliding support carriage 12.Crossbar bracket comprises bottom girder carriage, back timber carriage and intermediate transverse girder carriage, all be welded by 2 angle steel, and the length of every angle steel and the angle between the two is that position and inclination angle according to the holder crossbeam draws as calculated; Described grizzly bar structure lateral support board bracket 9 is welded by 2 angle steel and 2 channel-section steels, and described 2 angle steel and 2 parallel separately placements of channel-section steel vertically weld together then, and described angle steel length is by the determining positions of apart transverse support plates; Described sliding support carriage 12 is welded by 4 angle steel and 2 channel-section steels, wherein, two angle steel weld together, and two groups of described parallelism structurals that welded by two angle steel are placed, channel-section steel with two vertical therewith placements welds together again, constitutes a steel framework.
Referring to accompanying drawing 6, described linkage comprises pressing plate 14, press strip 15 and stainless steel bolt nut 16.Described pressing plate 14 is steel plates of making Ω shape, and two limbs all have boring; Described press strip 15 and be the back-off angle steel that length equates with a grizzly bar structure width, the centre is welded with steel plate.
Referring to accompanying drawing 7 and accompanying drawing 8, described sliding support is a parallelepiped in shape, comprise preceding base plate, back base plate, top board, base plate, end plate, before described, back base plate all is a parallelogram steel plate, and back base plate is slightly longer than preceding base plate, before described, a bronze sheet is respectively arranged on the back base plate, and utilize countersunk head screw to be connected with described base plate, described base plate is the steel plate of a parallelogram, both ends are welded with 2 stainless steel bands, base plate before described, back base plate, top board, base plate connects by bolt, described end plate is welded on the termination, and wherein an end is shut, and the other end is the opening of an inclination.
When installation the utility model was used for the fixed trashrack of power station vertical shaft type intake-outlet, at first the sole with mounting bracket 11 was welded on the water inlet fist stage concrete pre-embedded steel slab, fixing described mounting bracket 11.Each intake-outlet is established 8 described mounting brackets, angle between the every pair of adjacent mounting bracket axis is 45 °, then described crossbar bracket 10, grizzly bar structure lateral support board bracket 9 and sliding support carriage 12 are welded on the described mounting bracket 11, then described bottom girder 7 and back timber 5 are welded on its carriage, again described sliding support 13 is welded on the described sliding support carriage 12, at last an end of described intermediate transverse girder 6 is welded on described its carriage, and the other end inserts in the sliding support 13 that is placed on the mounting bracket of opposite.More than each step all will be through checking and debugging, can weld after qualified.Wrapping up in timber wedge with Polypropylence Sheet fills out gap around the sliding support extremely, concrete grout flows into (timber wedge and Polypropylence Sheet are removed after the concreting) when preventing concreting, again through building gate pier and top cover concrete after whole various debugging, check and the acceptance(check).After concreting is finished, mounting bracket 11 and crossbar bracket 10, sliding support 13 and sliding support carriage 12 all are embedded in the gate pier, the preceding flange surfaces of back timber 5 and bottom girder 7 and a pair of stainless steel bolt is exposed, remainder is imbedded respectively in the top lid and bottom bank concrete of intake-outlet; Intermediate transverse girder is then across between gate pier, and the preceding edge of a wing top surface of back timber 5, intermediate transverse girder 6 and bottom girder 7 is in same plane inclined.The top board of grizzly bar structure lateral support board bracket 9 is exposed along the gate pier side.
After above built-in fitting installation work and concreting are finished, could begin the installation work of grizzly bar structure.Should make the bolt hole centering on the top board of the bolt hole of grizzly bar structure apart transverse support plates end plate 4 and the carriage 9 that the gate pier side is exposed during installation, squeeze into wedge shape in the gap between described two plates and adjust plate, with the stainless steel bolt nut two plates are fixed up again; Axis along back timber 5, intermediate transverse girder 6 and bottom girder 7, described press strip 14 is pressed on the grizzly bar 1, pressing plate 15 is buckled on the press strip 14, the axis of pressing plate 14 is vertical mutually with press strip 15 axis again, with described stainless steel bolt nut the grizzly bar structure is fixed on three crossbeams then.
Mounted the utility model be used for power station vertical shaft type intake-outlet fixed trashrack vertical view as shown in Figure 9.
The vertical shaft intake-outlet vertical section that fixed trashrack was suitable for that the utility model is used for power station vertical shaft type intake-outlet as shown in Figure 10.
Claims (4)
1. the fixed trashrack that is used for power station vertical shaft type intake-outlet, comprise built-in fitting, grizzly bar structure and linkage, described built-in fitting comprises mounting bracket, crossbeam, carriage and sliding support, it is characterized in that: described mounting bracket is the bigger steel framework of a kind of rigidity, is used for fixing described carriage; Described crossbeam comprises back timber, bottom girder and intermediate transverse girder, is used to support the grizzly bar structure, and Load Transfer gate pier that trashrack bore; Described carriage comprises crossbar bracket, grizzly bar structure lateral support board bracket and sliding support carriage, is respectively applied for fixing described crossbeam, grizzly bar structure apart transverse support plates and sliding support, and they all are welded on the described mounting bracket; Described sliding support is used to support the free end of intermediate transverse girder; Described linkage is used for described grizzly bar structure is fixed on described crossbeam.
2. the fixed trashrack of power station vertical shaft type intake-outlet that is used for according to claim 1, it is characterized in that: described mounting bracket is welded by angle steel, four angle steel are formed a up-narrow and down-wide right-angled trapezium, the centre is welded with the angle steel of lateral arrangement as supporting, two described members are arranged in parallel, all be welded with the angle steel of lateral arrangement in their front and back side, constitute a steel framework that rigidity is very big, four pin of described steel framework are welded with four soles.
3. the fixed trashrack of power station vertical shaft type intake-outlet that is used for according to claim 1, it is characterized in that: described linkage comprises stainless steel bolt nut, press strip and pressing plate; Described press strip is the back-off angle steel that length equates with a grizzly bar structure width, and the centre is welded with steel plate as supporting; Described pressing plate is a steel plate of making Ω shape, and two limbs are equipped with bolt hole.
4. the fixed trashrack of power station vertical shaft type intake-outlet that is used for according to claim 1, it is characterized in that: described sliding support is a parallelepiped in shape, comprise preceding base plate, back base plate, top board, base plate, end plate, before described, back base plate all is a parallelogram steel plate, and back base plate is slightly longer than preceding base plate, before described, a bronze sheet is respectively arranged on the back base plate, and utilize countersunk head screw to be connected with described base plate, described base plate is the steel plate of a parallelogram, both ends are welded with 2 stainless steel bands, base plate before described, back base plate, top board, base plate connects by bolt, described end plate is welded on the termination, and wherein an end is shut, and the other end is the opening of an inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020111534 CN201713796U (en) | 2010-02-10 | 2010-02-10 | Fixed type trashrack for vertical shaft type water inlet and outlet of hydroelectrical power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020111534 CN201713796U (en) | 2010-02-10 | 2010-02-10 | Fixed type trashrack for vertical shaft type water inlet and outlet of hydroelectrical power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201713796U true CN201713796U (en) | 2011-01-19 |
Family
ID=43459795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020111534 Expired - Fee Related CN201713796U (en) | 2010-02-10 | 2010-02-10 | Fixed type trashrack for vertical shaft type water inlet and outlet of hydroelectrical power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201713796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205954A (en) * | 2013-04-12 | 2013-07-17 | 中国水电顾问集团北京勘测设计研究院 | Well inlet/outlet structure for pumped storage power stations |
| CN110965534A (en) * | 2019-12-24 | 2020-04-07 | 国家电网有限公司 | Well type water inlet and outlet structure of pumped storage power station |
-
2010
- 2010-02-10 CN CN 201020111534 patent/CN201713796U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205954A (en) * | 2013-04-12 | 2013-07-17 | 中国水电顾问集团北京勘测设计研究院 | Well inlet/outlet structure for pumped storage power stations |
| CN110965534A (en) * | 2019-12-24 | 2020-04-07 | 国家电网有限公司 | Well type water inlet and outlet structure of pumped storage power station |
| CN110965534B (en) * | 2019-12-24 | 2021-08-03 | 国家电网有限公司 | Well type water inlet and outlet structure of pumped storage 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: 20110119 Termination date: 20190210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |