CN205324180U - Super high earth -rock dam soil stone classification device - Google Patents
Super high earth -rock dam soil stone classification device Download PDFInfo
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- CN205324180U CN205324180U CN201620088650.0U CN201620088650U CN205324180U CN 205324180 U CN205324180 U CN 205324180U CN 201620088650 U CN201620088650 U CN 201620088650U CN 205324180 U CN205324180 U CN 205324180U
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- superelevation
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Abstract
The utility model discloses a super high earth -rock dam soil stone classification device belongs to native building stones screening plant field, provides a simple structure, low cost, and convenient operation's native stone classification device, including base, truss and inclined plane board, truss installation is and support the inclined plane board on the base, inclined plane board slope sets up, slope contained angle theta between inclined plane board and the base place horizontal plane is between 30 to 45. The utility model discloses simple structure, convenient operation, low cost moreover. Utilize the natural separation effect of inclined plane board, the great gravel soil building stones of particle diameter will cover in toe mound upper strata, and the less gravel soil building stones of particle diameter will be located the lower floor, can reach the grading effect to native building stones like this. In addition, inclination through rationally setting up the inclined plane board to and the roughness isoparametric, can so that isolate lie in the requirement that the less gravel soil building stones of the particle diameter of lower floor satisfy the native building stones P5 content of super high earth -rock dam prevention of seepage.
Description
Technical field
This utility model relates to earth and stone material screening plant field, particularly relates to a kind of superelevation earth and rockfill dam earth and stone material grading plant obtaining and meeting superelevation earth and rockfill dam antiseepage earth and stone material P5 content requirement。
Background technology
Deep covering layer superelevation earth and rockfill dam (height of dam is more than 200m) is generally local material dam, and utilizing local natural material to greatest extent is the big feature of one。Gravel by nature earth and stone material often grating skewness, and antiseepage earth and stone material should reach antiseepage requirement in superelevation gravelly soil core wall dam, earth and stone material mechanical characteristic is required also higher simultaneously, therefore this type of earth and stone material grain composition is required tight, Practical Project even needs the requirement higher than existing specification。Wherein in earth and stone material, P5 content refers to the granule content more than 5mm, and the scope of P5 content is normally controlled in 30%～50% and is advisable；When P5 content is more than 50%, then do not meet code requirement, and antiseepage requirement and the mechanical property of superelevation earth and rockfill dam cannot be ensured。Traditional earth and stone material processing method adopts sieve method, and it needs to use large-scale facility and equipment, simultaneously need to large-scale place is installed, and cost and relatively costly。
Utility model content
This utility model solves the technical problem that and is to provide a kind of simple in construction, and superelevation earth and rockfill dam earth and stone material grading plant with low cost, easy to operate, it can obtain the earth and stone material meeting superelevation earth and rockfill dam antiseepage earth and stone material P5 content requirement。
This utility model solves its technical problem the technical scheme is that superelevation earth and rockfill dam earth and stone material grading plant, including base, truss and skewback, described truss installa-tion is on base and supporting oblique surface plate, described skewback is obliquely installed, and the slanted angle θ between described skewback and base place horizontal plane is between 30 ° to 45 °。
Further: described skewback is steel plate, the roughness of its upper surface is 12.5。
Further: the slanted angle θ between described skewback and base place horizontal plane is 38 °。
Further: the thickness of described skewback is 60mm。
Further: described truss includes crossbeam and supports beam, described crossbeam has many, and along the incline direction of skewback be parallel to each other spaced apart, the two ends of crossbeam are respectively arranged with one and support beam, the one end supporting beam is connected with one end of crossbeam, the other end supporting beam is connected with base, and described skewback is by the support of crossbeam。
Further: in side upwards, the projection of described support beam, skewback and base is triangular in shape。
Further: described support beam is vertical with skewback。
Further: described truss also includes two vertical beams, described two vertical beams are separately positioned on the two ends being positioned at the skewback crossbeam at place topmost；And described vertical beam is vertically arranged, with base place horizontal plane。
Further: described skewback height H on perpendicular direction is 10～15m, its width L is 20～40m。
The beneficial effects of the utility model are: this utility model simple in construction, easy to operate, and with low cost。By arranging skewback, and make slanted angle θ in certain angular range, after earth and stone material is poured onto skewback from the upper end of skewback, natural separating effect due to skewback, the gravelly soil building stones that particle diameter is bigger will be covered in toe mound upper strata, and the less gravelly soil building stones of particle diameter will be located in lower floor；So can reach the grading effect to earth and stone material。It addition, by the angle of inclination rationally arranging skewback, and the parameter such as surface roughness, it is possible to the gravelly soil building stones making the isolated particle diameter being positioned at lower floor less meet the requirement of superelevation earth and rockfill dam antiseepage earth and stone material P5 content。
Accompanying drawing explanation
Fig. 1 is the 3-D view of superelevation earth and rockfill dam earth and stone material grading plant described in the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is schematic diagram during superelevation earth and rockfill dam earth and stone material grading plant described in the utility model use；
Figure is labeled as: base 1, truss 2, crossbeam 21, support beam 22, vertical beam 23, skewback 3, discharging platform 4, fines layer 5, coarse fodder layer 6, dummy car 7, slanted angle θ, height H, width L。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further illustrated。
As depicted in figs. 1 and 2, superelevation earth and rockfill dam earth and stone material grading plant described in the utility model, including base 1, truss 2 and skewback 3, described truss 2 is arranged on base 1 and supporting oblique surface plate 3, described skewback 3 is obliquely installed, and the slanted angle θ between described skewback 3 and base 1 place horizontal plane is between 30 ° to 45 °。When actually used, it is only necessary to shown in Fig. 3, superelevation earth and rockfill dam earth and stone material grading plant described in the utility model be installed to the side of discharging platform 4, and the highest point edge of skewback 3 is alignd with an edge of discharging platform；Then pass through dummy car 7 and the earth and stone material shipped is poured directly on skewback 3, the difference of the rolling situation on slope of the building stones according to different-grain diameter size, can self-assembling formation layered effect as shown in Figure 3, both the gravelly soil building stones that particle diameter was bigger will be covered in toe mound upper strata, the coarse fodder layer 6 in Fig. 3；And the less gravelly soil building stones of particle diameter will be located in lower floor, the fines layer 5 in Fig. 3。Afterwards, it is only necessary to as required the fines layer 5 of the coarse fodder layer 6 on upper strata and lower floor is carried out separate collection。
Wherein, in order to make fines layer 5 can meet certain Particle size requirements, for instance in order to obtain the earth and stone material meeting superelevation earth and rockfill dam antiseepage earth and stone material P5 content requirement；The slanted angle θ arranged between skewback 3 and base 1 place horizontal plane is between 30 ° to 45 °。And 38 ° can be preferably further, because the slanted angle θ of 38 ° meets the natural angle of respose, it is more convenient for sub-electing the antiseepage earth and stone material meeting P5 content requirement。
It addition, the roughness of skewback 3 upper surface, the coarse fodder layer 6 after screening and fines layer 5 are also had and has a certain impact；So that fines layer 5 meets certain Particle size requirements, for instance in order to obtain the earth and stone material meeting superelevation earth and rockfill dam antiseepage earth and stone material P5 content requirement；The roughness that can arrange skewback 3 upper surface is 12.5。Further, generally for ensureing structural strength, it is preferable that skewback 3 is steel plate, and its thickness may be configured as 60mm。
It addition, the effect of truss 2 is for connecting base 1 and skewback 3, and for supporting oblique surface plate 3, it specifically can adopt various structure。A kind of concrete structure as shown in Figures 1 and 2, described truss 2 includes crossbeam 21 and supports beam 22, described crossbeam 21 has many, and along the incline direction of skewback 3 be parallel to each other spaced apart, the two ends of crossbeam 21 are respectively arranged with one and support beam 22, the one end supporting beam 22 is connected with one end of crossbeam 21, and the other end supporting beam 22 is connected with base 1, and described skewback 3 is by the support of crossbeam 21。And can making in side upwards further, described support beam 22, skewback 3 are triangular in shape with the projection of base 1；Specifically as shown in Figure 2, so arrange, the structural strength of whole truss 2 can be guaranteed on the one hand by triangular structure, additionally also ensure that support beam 22 is better to the support effect of crossbeam 21 and skewback 3。More specifically, it is vertical with skewback 3 that support beam 22 can be set。
It addition, for the upper end position of skewback 3, for the ease of installing, be provided with two vertical beams 23, described two vertical beams 23 are separately positioned on the two ends being positioned at skewback 3 crossbeam at place topmost；And described vertical beam 23 is vertically arranged, with base 1 place horizontal plane。So, the end of whole device is vertical plane, install corresponding with discharging platform 4 of being more convenient for。
Concrete, according to actual earth and stone material treating capacity, can the preferred described skewback 3 height H on perpendicular direction be 10～15m, its width L be generally 20～40m；Concrete size can refer to shown in figure。
Claims (9)
1. superelevation earth and rockfill dam earth and stone material grading plant, it is characterized in that: include base (1), truss (2) and skewback (3), described truss (2) is arranged on base (1) and supporting oblique surface plate (3), described skewback (3) is obliquely installed, and the slanted angle θ between described skewback (3) and base (1) place horizontal plane is between 30 ° to 45 °。
2. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 1, it is characterised in that: described skewback (3) is steel plate, and the roughness of its upper surface is 12.5。
3. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 1, it is characterised in that: the slanted angle θ between described skewback (3) and base (1) place horizontal plane is 38 °。
4. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 1, it is characterised in that: the thickness of described skewback (3) is 60mm。
5. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 1, it is characterized in that: described truss (2) includes crossbeam (21) and supports beam (22), described crossbeam (21) has many, and along the incline direction of skewback (3) be parallel to each other spaced apart, the two ends of crossbeam (21) are respectively arranged with one and support beam (22), the one end supporting beam (22) is connected with one end of crossbeam (21), the other end supporting beam (22) is connected with base (1), described skewback (3) is by the support of crossbeam (21)。
6. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 5, it is characterised in that: in side upwards, described support beam (22), skewback (3) are triangular in shape with the projection of base (1)。
7. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 6, it is characterised in that: described support beam (22) is vertical with skewback (3)。
8. superelevation earth and rockfill dam earth and stone material grading plant as claimed in claim 5, it is characterized in that: described truss (2) also includes two vertical beams (23), described two vertical beams (23) are separately positioned on the two ends being positioned at skewback (3) crossbeam at place topmost；And described vertical beam (23) is vertically arranged, with base (1) place horizontal plane。
9. the superelevation earth and rockfill dam earth and stone material grading plant as according to any one of claim 1 to 8, it is characterised in that: the described skewback (3) height H on perpendicular direction is 10～15m, its width L is 20～40m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620088650.0U CN205324180U (en) | 2016-01-28 | 2016-01-28 | Super high earth -rock dam soil stone classification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620088650.0U CN205324180U (en) | 2016-01-28 | 2016-01-28 | Super high earth -rock dam soil stone classification device |
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| Publication Number | Publication Date |
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| CN205324180U true CN205324180U (en) | 2016-06-22 |
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| CN201620088650.0U Active CN205324180U (en) | 2016-01-28 | 2016-01-28 | Super high earth -rock dam soil stone classification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477526A (en) * | 2021-06-03 | 2021-10-08 | 中国科学院福建物质结构研究所 | Device and method for removing irregular particles in spherical powder |
-
2016
- 2016-01-28 CN CN201620088650.0U patent/CN205324180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477526A (en) * | 2021-06-03 | 2021-10-08 | 中国科学院福建物质结构研究所 | Device and method for removing irregular particles in spherical powder |
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| GR01 | Patent grant |