CN212442053U - Mesh-variable screen for shield construction muck treatment - Google Patents
Mesh-variable screen for shield construction muck treatment Download PDFInfo
- Publication number
- CN212442053U CN212442053U CN202020448533.7U CN202020448533U CN212442053U CN 212442053 U CN212442053 U CN 212442053U CN 202020448533 U CN202020448533 U CN 202020448533U CN 212442053 U CN212442053 U CN 212442053U
- Authority
- CN
- China
- Prior art keywords
- screen cloth
- screen
- mesh
- laminated plate
- dregs
- 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.)
- Active
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model belongs to the technical field of the shield constructs dregs processing, concretely relates to a variable mesh screen cloth that is used for shield to construct construction dregs and handles. The problem of among the prior art screen cloth mesh size fixed, and change the screen cloth and waste time and energy is solved. The technical scheme of the utility model is that: the screen cloth comprises an upper laminated plate (1), an upper screen cloth (3), a lower screen cloth (4) and a lower laminated plate (5) which are sequentially arranged from top to bottom, wherein the upper laminated plate (1) is connected with the lower laminated plate (5) through bolts (2). The utility model discloses can change the mesh number of screen cloth, reduction in production cost uses the sieve mesh size to differ when not too big screen cloth in addition, need not change the screen cloth, practices thrift the time of changing the screen cloth, improves the efficiency that the dregs were handled, is applicable to the vibratory screening to the shield structure construction dregs.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs dregs processing, concretely relates to a variable mesh screen cloth that is used for shield to construct construction dregs and handles.
Background
At present, the direct outward transportation mode is adopted for treating the muck generated by shield construction, but the environment is polluted by directly transporting and burying the muck outward, a large amount of available resources in the muck are wasted, and therefore, the muck is treated in a grading mode by adopting a vibration screening mode in partial construction sites.
In the prior art, the residue soil excavated by the shield machine can be conveyed to the vibration screening device in various modes, and the residue soil is often screened by replacing screens with different specifications because the stratum penetrated by the shield machine is often complex and the sandstone property is unstable. The mesh size of the existing screen is fixed, and enterprises need to prepare screens with different specifications for use, so that the production cost is increased. When the screens with different specifications need to be used, the machine must be stopped to replace the screens, and the machine can be restarted after the screens are replaced to screen the dregs. And the replacement of the existing screen is time-consuming and labor-consuming, and the treatment efficiency of the vibrating screening device on the residue soil is reduced.
Therefore, in order to solve the above problems, it is urgently required to improve the screen mesh to improve the treatment capacity of the vibratory screening device for the muck.
SUMMERY OF THE UTILITY MODEL
Fixed to screen cloth mesh size among the prior art, and change the problem that the screen cloth wastes time and energy, the utility model provides a variable mesh number screen cloth for shield constructs construction dregs and handles, its aim at: the production cost is reduced, the time for replacing the screen is saved, and the efficiency for treating the dregs is improved.
The utility model adopts the technical scheme as follows:
the utility model provides a variable mesh screen cloth for shield structure construction dregs is handled, includes from last laminate, upper screen cloth, lower floor's screen cloth and the lower floor's clamp plate that sets gradually down, go up laminate and pass through bolted connection with the clamp plate of lower floor.
After the technical scheme is adopted, when the screen meshes with different screen hole diameters are needed to be used, the bolt is only needed to be unscrewed, and then the upper screen mesh or the lower screen mesh is moved, so that the upper screen mesh and the lower screen mesh are relatively displaced, the size of the screen holes is changed, and when the size of the screen holes meets the use requirement, the bolt can be screwed down. By adopting the technical scheme, only a small number of specifications of screens are required to be prepared, the screens of all specifications are not required to be prepared, the production cost is reduced, the screens do not need to be replaced when the screens with the sizes which are not too large in difference are required to be used, the time for replacing the screens is saved, and the efficiency of treating the residue soil is improved.
Preferably, the mesh size of the upper layer screen is the same as that of the lower layer screen.
After the preferred scheme is adopted, the mesh sizes of the whole screen can be ensured to be the same, and the screened sand and stone particles have the same particle size.
Preferably, the upper layer screen and the lower layer screen are both made of stainless steel strips with the thickness of 2-4 mm.
After the preferred scheme is adopted, the strength of the screen is higher, and the service life is longer.
Preferably, the thickness direction of the stainless steel strip is perpendicular to the thickness direction of the upper screen and the thickness direction of the lower screen.
After the optimized scheme is adopted, the screen has stronger bearing capacity, is not easy to deform or damage and has longer service life.
Preferably, the thickness of the upper layer screen is 5-10 mm.
Because there is the dislocation between upper screen cloth and the lower floor screen cloth when this screen cloth uses, upper screen cloth and the combination of lower floor screen cloth form compound sieve mesh, the grit that the particle diameter is between the sieve mesh aperture of upper screen cloth and compound sieve mesh aperture blocks easily in the upper screen cloth, adopt this preferred scheme after, can reduce the probability of grit card in the upper screen cloth through the thickness that reduces the upper screen cloth, and this screen cloth generally is applied to among the shale shaker partial shipment, the screen cloth itself has certain inclination, even there is the grit card in the upper screen cloth, also can arrange it away through the vibration, can not cause the jam.
Preferably, the thickness of the lower-layer screen is 40-60 mm.
Because the screen is generally applied to the treatment of the dregs, the dregs have heavy weight and are easy to damage, after the preferable scheme is adopted, the strength, the rigidity and the bearing capacity of the screen can be improved, the screen is prevented from deforming or damaging, and the service life is prolonged.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. when the screen cloth of different mesh aperture was used to needs, only need unscrew the bolt, then remove upper screen cloth or lower floor's screen cloth, made upper screen cloth and lower floor's screen cloth take place relative displacement, just so made the size change of sieve mesh, when the size of sieve mesh satisfies the operation requirement, it can to screw up the bolt. By adopting the technical scheme, only a small number of specifications of screens are required to be prepared, the screens of all specifications are not required to be prepared, the production cost is reduced, the screens do not need to be replaced when the screens with the sizes which are not too large in difference are required to be used, the time for replacing the screens is saved, and the efficiency of treating the residue soil is improved.
2. The sieve mesh size of upper screen cloth is the same with the sieve mesh size of lower floor's screen cloth, can guarantee that the mesh size of whole screen cloth is the same, and the grit particle diameter of screening out is the same.
3. The upper screen and the lower screen are both made of stainless steel strips with the thickness of 2-4 mm, the strength of the screens is higher, and the service life is longer.
4. The thickness direction of stainless steel strip is perpendicular with the thickness direction of upper screen cloth and the thickness direction of lower floor's screen cloth, and the bearing capacity of screen cloth is stronger, non-deformable or damage, and life is longer.
5. The thickness of upper screen cloth is 5 ~ 10mm, can reduce the grit card probability in the upper screen cloth, and this screen cloth is generally applied to the shale shaker in addition, and screen cloth itself has certain inclination, even have the grit card in the upper screen cloth, also can discharge it through the vibration, can not cause the jam.
6. The thickness of lower floor's screen cloth is 40 ~ 60mm, can improve the intensity, rigidity and the bearing capacity of screen cloth, prevents that the screen cloth from taking place to warp or damage increase of service life.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Wherein, 1-upper laminated plate, 2-bolt, 3-upper screen, 4-lower screen and 5-lower laminated plate.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 3.
Example one
The utility model provides a variable mesh screen cloth for shield structure construction dregs is handled, includes from last upper laminate 1, upper screen cloth 3, lower floor's screen cloth 4 and the lower clamp plate 5 that sets gradually down, upper laminate 1 passes through bolt 2 with lower clamp plate 5 and is connected. When the mesh number of screen cloth (change sieve mesh size promptly) needs to be changed, only need loosen the bolt, then remove upper screen cloth 3 or lower floor's screen cloth 4, make upper screen cloth 3 and lower floor's screen cloth 4 take place relative displacement, just so make the size of sieve mesh change, when the size of sieve mesh satisfies the operation requirement, screw up bolt 2 and make upper lamination board 1 and lower lamination board 5 compress tightly upper screen cloth 3 and lower floor's screen cloth 4. Set up like this, only need prepare the screen cloth of a small amount of specifications, the screen cloth that does not need every kind of specification is all prepared, manufacturing cost has been reduced, and when needs use the screen cloth that the sieve mesh size differs not too greatly, need not change the screen cloth in addition, only need unscrew bolt 2, change the relative position of upper screen cloth 3 and lower floor's screen cloth 4, then screw up bolt 2 can, need not change the screen cloth, practiced thrift the time of changing the screen cloth, improved the efficiency that the dregs were handled.
The mesh size of the upper layer screen 3 is the same as that of the lower layer screen 4. Set up like this and can guarantee that when relative displacement takes place for upper screen cloth 3 and lower floor's screen cloth 4, all sieve mesh sizes all take place synchronous change, and all sieve mesh sizes after the change are all the same.
In this embodiment, upper screen cloth 3 all adopts thickness to be 2 mm's stainless steel strip with lower floor's screen cloth 4 to make, the thickness direction of stainless steel strip is perpendicular with the thickness direction of upper screen cloth 3 and the thickness direction of lower floor's screen cloth 4. The bearing capacity of the screen can be improved and the service life of the screen can be prolonged by the arrangement.
The thickness of the upper screen 3 in this example is 5 mm. Supposing that the mesh opening of the upper screen 3 and the lower screen 4 is a, the composite mesh opening formed by combining the upper screen 3 and the lower screen 4 is b, the sand with the particle size smaller than b is screened from the screens, the sand with the particle size larger than a is discharged from the upper screen 3, and the sand with the particle size between a and b is easily clamped in the upper screen 3 to cause screen blockage. In order to solve the problem, the screen is generally applied to a vibrating screen device, the screen has a certain inclination angle, and even if sand is clamped in the upper screen 3, the sand clamped in the upper screen 3 can be discharged through vibration without blockage. And can reduce the grit card probability in upper screen cloth 3 through the thickness that reduces upper screen cloth 3, even the grit of card in upper screen cloth 3 also is changeed through the vibration and is discharged, further reduces the risk of screen cloth jam.
The thickness of the lower screen 4 in this example is 40 mm. Because the screen is generally applied to the muck treatment, the weight of the muck is heavy, and the screen is easy to deform or damage. The strength, rigidity and bearing capacity of the screen can be improved by the arrangement, the screen is prevented from deforming or being damaged under the action of gravity of the dregs, and the service life of the screen is prolonged.
Example two
The technical solution of this embodiment is basically the same as that of the first embodiment, and the difference is that: in this embodiment, the upper screen 3 and the lower screen 4 are made of stainless steel strips with a thickness of 4mm, the upper screen 3 is 10mm thick, and the lower screen 4 is 60mm thick.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The utility model provides a but, variable mesh screen cloth for shield constructs construction dregs and handles which characterized in that: the screen cloth comprises an upper laminated plate (1), an upper screen cloth (3), a lower screen cloth (4) and a lower laminated plate (5) which are sequentially arranged from top to bottom, wherein the upper laminated plate (1) is connected with the lower laminated plate (5) through bolts (2).
2. The screen mesh with the variable mesh number for the shield construction muck treatment according to claim 1, wherein: the mesh sizes of the upper layer screen (3) and the lower layer screen (4) are the same.
3. The screen mesh with the variable mesh number for the shield construction muck treatment according to claim 1, wherein: the upper-layer screen (3) and the lower-layer screen (4) are both made of stainless steel strips with the thickness of 2-4 mm.
4. The screen mesh with the variable mesh number for the shield construction muck treatment according to claim 3, wherein: the thickness direction of the stainless steel strips is vertical to the thickness direction of the upper-layer screen (3) and the thickness direction of the lower-layer screen (4).
5. The screen mesh with the variable mesh number for the shield construction muck treatment according to claim 1, wherein: the thickness of the upper layer screen (3) is 5-10 mm.
6. The screen mesh with the variable mesh number for the shield construction muck treatment according to claim 1, wherein: the thickness of the lower-layer screen (4) is 40-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020448533.7U CN212442053U (en) | 2020-03-31 | 2020-03-31 | Mesh-variable screen for shield construction muck treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020448533.7U CN212442053U (en) | 2020-03-31 | 2020-03-31 | Mesh-variable screen for shield construction muck treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212442053U true CN212442053U (en) | 2021-02-02 |
Family
ID=74466082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020448533.7U Active CN212442053U (en) | 2020-03-31 | 2020-03-31 | Mesh-variable screen for shield construction muck treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212442053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934692A (en) * | 2021-02-07 | 2021-06-11 | 中国水利水电第九工程局有限公司 | Sand classifying and screening machine and sand classifying and screening construction process |
-
2020
- 2020-03-31 CN CN202020448533.7U patent/CN212442053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934692A (en) * | 2021-02-07 | 2021-06-11 | 中国水利水电第九工程局有限公司 | Sand classifying and screening machine and sand classifying and screening construction process |
| CN112934692B (en) * | 2021-02-07 | 2023-01-31 | 中国水利水电第九工程局有限公司 | Sand classifying and screening machine and sand classifying and screening construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212442053U (en) | Mesh-variable screen for shield construction muck treatment | |
| CN212285250U (en) | Novel construction waste crushing and classifying device | |
| CN210585830U (en) | Multistage shale shaker of fracturing quartz sand | |
| CN203253523U (en) | Soil wet method vibration screening device | |
| CN210497184U (en) | Environment-friendly construction waste treatment facility for civil engineering | |
| CN107583854A (en) | A kind of multistage screening plant | |
| CN201791667U (en) | Garbage vibrating screen classifier | |
| CN204602591U (en) | Ore dressing high-frequency screen device | |
| CN208082856U (en) | A kind of vibrating sieving machine and the rubble hierarchy system with the vibrating sieving machine | |
| CN205496013U (en) | Multi -functional drilling fluid shale shaker of multilayer | |
| CN212550416U (en) | Relaxation sieve with upper and lower double-layer structures for screening and processing building decoration garbage | |
| CN111420872A (en) | Double-layer independent excitation screening equipment for shield construction muck treatment | |
| CN104096401B (en) | Gravel in separation drip washing repairing polluted soil generation slime water, the equipment of humus and separation method thereof | |
| CN212384053U (en) | A gradual change particle size screening equipment for shield constructs construction dregs and handles | |
| CN212418667U (en) | Double-layer independent excitation screening equipment for shield construction muck treatment | |
| CN209490940U (en) | A kind of garbage sorting device | |
| CN113318854A (en) | Shield constructs dregs environmental protection and handles equipment | |
| CN210622744U (en) | Vibrating screen tank device of solid control system | |
| CN202238263U (en) | Recovery device at waste treatment terminal | |
| CN217699997U (en) | Highway maintenance rubble multistage screening plant | |
| CN213377780U (en) | Multistage separation's solid useless sand and stone separator that uses | |
| CN204656120U (en) | A kind of petroleum drilling fluid vibratory sieve | |
| CN111215313A (en) | Gravity type material self-screening device | |
| CN215823310U (en) | Coal grinding mechanism | |
| CN214811156U (en) | Screening machine capable of recycling materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |