CN219923675U - Crushed stone screening device - Google Patents
Crushed stone screening device Download PDFInfo
- Publication number
- CN219923675U CN219923675U CN202321240797.3U CN202321240797U CN219923675U CN 219923675 U CN219923675 U CN 219923675U CN 202321240797 U CN202321240797 U CN 202321240797U CN 219923675 U CN219923675 U CN 219923675U
- Authority
- CN
- China
- Prior art keywords
- screening
- crushed stone
- groups
- main guide
- cam
- 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
- 238000012216 screening Methods 0.000 title claims abstract description 201
- 239000004575 stone Substances 0.000 title claims abstract description 109
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 8
- 239000010426 asphalt Substances 0.000 description 22
- 239000002245 particle Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 244000007853 Sarothamnus scoparius Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to the technical field of screening devices, and discloses a crushed stone screening device, which comprises: a bottom plate; screening a feed box; a crushed stone screening element mounted within the screening bin; a sliding guide structure provided with two groups; and the cam motion structure is provided with two groups, and the two groups of cam motion structures can be respectively connected with the two groups of sliding guide structures. According to the utility model, the crushed stone screening piece can continuously move up and down in the screening bin under the cooperation of the cam moving structure and the sliding guide structure, the crushed stone on the crushed stone screening piece can be screened under the action of the up and down movement of the crushed stone screening piece, the screening plate is a preferred form of the crushed stone screening piece, the crushed stone can be screened under the action of the screening hole, namely, when the size of the crushed stone is matched with the size of the screening hole, the crushed stone can fall down through the screening hole, and the sizes of the screened crushed stone are the same or similar.
Description
Technical Field
The utility model relates to the technical field of screening devices, in particular to a broken stone screening device.
Background
Asphalt pavement is various types of pavement paved by mixing road asphalt materials into mineral materials, wherein the mineral materials are gravels, and the concrete steps are as follows: paving crushed stone on a pavement to form a crushed stone layer, pouring asphalt on the crushed stone layer to form an asphalt layer, enabling the asphalt to permeate between gaps of the crushed stone layer, bonding the crushed stone layer and the roadbed with each other through the asphalt, and repeatedly rolling the asphalt layer through a road roller to form an asphalt road.
The selection of gravels has technical requirements, the gravels have the same or similar particle sizes, the gravels are prevented from being different in size and large in difference, the gravels are paved on the ground to enable the ground to be uneven, and in order to overcome the unevenness, the poured asphalt amount is increased, namely, the asphalt amount is increased to fill the uneven stone layer.
Therefore, when screening crushed stone, a screening device for crushed stone is used.
For example, the chinese patent document with the existing patent publication number CN217165210U discloses a building rubble screening device, which comprises a pair of inner gear rings correspondingly distributed in front and back, a pair of screening beds are fixedly connected between the inner gear rings, a plurality of connecting columns are rotationally connected in the screening beds, the outer ends of the connecting columns penetrate through the inner gear rings and extend to the outer sides of the inner gear rings, a plurality of gear sleeves are symmetrically sleeved on the outer end walls of the connecting columns, the plurality of gear sleeves are meshed with the inner gear rings and connected with the inner gear rings, two ends of the connecting columns are fixedly connected with transmission rods, a plurality of electric screening columns are rotationally connected in the middle parts of the outer end walls of the connecting columns, limiting toothed plates are positioned above the gear sleeves, a pair of upper ends of the limiting toothed plates are rotationally connected with screws, the upper ends of the screws penetrate through the inner gear rings and extend to the outer ends of the inner gear rings, the screws are in threaded connection with the inner gear rings, a support frame is arranged on the front and back sides of the screening beds, a pair of support frames are rotationally connected with electric rotating shafts, a pair of electric clamping blocks are rotationally connected with two ends of the electric rotating shafts respectively, and two ends of the electric clamping blocks are correspondingly connected with two ends of the electric rotating shafts respectively.
The construction stone screening device disclosed in the above patent document can be used for screening stone when paving an asphalt pavement.
The above patent documents describe the following technical problems: the screening device for building crushed stones on the market at present mainly adopts a plurality of screening columns to be arranged into different interval sizes, so that the building crushed stones sequentially pass through the screening columns and are screened according to the order from small to large particle sizes, and the screening mode has the problems that in the actual screening process, as rock particles with different sizes are mixed together, small particles possibly are wrapped among a large stack of particles in the screening process, so that the small particles are not screened out and finally are divided into the large particles, and the later building quality is influenced.
The technical problems described in the above patent documents are clearly known, and still exist as follows:
the screening device for building rubble on the market at present adopts a plurality of screening posts to arrange into different interval sizes more, lets building rubble pass through these screening posts in proper order, screens according to from little to big granule size order, and this kind of screening mode has the problem that, in actual screening process, because the rock granule of different size is mixed together, and the granule is probably wrapped up between a pile of macroparticle at the in-process of screening, leads to it not to be selected out to finally divide into among the macroparticle, influences later stage road surface and lays.
For this purpose, a lithotriptic screening device is now proposed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a crushed stone screening device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a lithotriptic screening device comprising:
a bottom plate;
the screening material box is arranged above the bottom plate, the four corners of the bottom of the screening material box are fixedly provided with supporting rods, and the bottoms of the four supporting rods are fixedly connected with the top of the bottom plate;
a crushed stone screening element mounted within the screening bin;
the sliding guide structures are provided with two groups, and the two groups of sliding guide structures are respectively arranged on two opposite sides between the crushed stone screening piece and the screening material box; and
the cam motion structures are provided with two groups, the two groups of cam motion structures are respectively arranged on two sides of the screening material box, and the two groups of cam motion structures can be respectively connected with the two groups of sliding guide structures;
the broken stone screening piece can continuously move up and down in the screening bin under the cooperation of the cam moving structure and the sliding guide structure.
As a preferable technical scheme, a feed inlet which can facilitate feeding is formed at the top opening of the screening material box;
the bottom of the screening material box is provided with a discharge hole which can facilitate discharging.
As the preferable technical scheme, the crushed stone screening piece is a screening plate, the screening plate is slidably arranged in a screening material box, and a plurality of screening holes which are convenient for crushed stone to pass through and realize screening function are formed in the screening plate.
As an optimized technical scheme, the two groups of sliding guide structures comprise main guide sliding grooves formed in the middle parts of the side walls of the two opposite sides of the screening bin, and two side guide sliding grooves are symmetrically formed in the two sides of the two main guide sliding grooves;
the middle parts of the side walls of the two opposite sides of the screening plate are fixedly provided with main guide rods, and the two main guide rods can pass through the main guide sliding grooves outwards;
two side guide rods are symmetrically and fixedly arranged on two sides of the main guide rod, and the two side guide rods can respectively penetrate out from the two side guide sliding grooves.
As a preferable technical scheme, the circumferential side wall of the main guide rod is tangent with the inner side wall of the main guide chute;
the circumference lateral wall of the side guide rod is tangent with the inner side wall of the side guide chute.
As an optimized technical scheme, the two groups of cam motion structures comprise motors, and the two motors are symmetrically and fixedly arranged at two opposite sides of the bottom of the screening material box;
a cam is fixedly arranged on an output shaft of each motor, and the circumferential side walls of the two cams can be tangent with the circumferential side walls of the two main guide rods respectively;
the circumferential side wall of the main guide rod can be slidably connected with the circumferential side wall of the cam when the cam rotates with the rotation of the output shaft of the motor.
As the preferable technical scheme, after the two motors are symmetrically installed at the bottom of the screening material box, the rotation directions of the output shafts of the two motors can be kept consistent all the time, and the rotation speeds of the output shafts of the two motors can be kept the same all the time, so that the two cams are driven to be synchronous and have the same frequency when rotating.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the crushed stone screening piece can continuously move up and down in the screening bin under the cooperation of the cam moving structure and the sliding guide structure, and crushed stone on the crushed stone screening piece can be screened under the action of the up and down movement of the crushed stone screening piece.
2. In the utility model, the screening plate is a preferred form of the crushed stone screening piece, and can screen crushed stone under the action of the screening holes, namely, when the size of the crushed stone is matched with the size of the screening hole, the crushed stone can fall downwards through the screening holes, and the sizes of the screened crushed stone are the same or similar.
3. In the utility model, the two groups of sliding guide structures comprise main guide sliding grooves which are arranged in the middle parts of the side walls of two opposite sides of the screening bin, and two side guide sliding grooves are symmetrically arranged on two sides of the two main guide sliding grooves; the middle parts of the side walls of the two opposite sides of the screening plate are fixedly provided with main guide rods, and the two main guide rods can pass through the main guide sliding grooves outwards;
two side guide rods are symmetrically and fixedly arranged on two sides of the two main guide rods, and can respectively penetrate out from the two side guide sliding grooves, so that the screening plate can conveniently move up and down in the screening material box.
4. In the utility model, the circumferential side wall of the main guide rod is tangent with the inner side wall of the main guide chute, and the circumferential side wall of the side guide rod is tangent with the inner side wall of the side guide chute, so that the installation of the main guide rod and the two side guide rods can be facilitated.
5. In the utility model, the two groups of cam motion structures comprise motors, the two motors are symmetrically and fixedly arranged at two opposite sides of the bottom of the screening material box, the cam is fixedly arranged on the output shaft of each motor, and the circumferential side walls of the two cams can be tangent to the circumferential side walls of the two main guide rods respectively;
when the cam rotates along with the rotation of the output shaft of the motor, the circumferential side wall of the main guide rod can be in sliding connection with the circumferential side wall of the cam, so that the main guide rod can move up and down along with the rotation of the cam in the main guide chute, when the main guide rod moves up and down in the main guide chute, the two side guide rods can also move up and down in the guide chutes at the two sides at the same time, and the screening plate can continuously move up and down in the screening bin, so that crushed stone screening is realized.
6. According to the utility model, after the two motors are symmetrically arranged at the bottom of the screening bin, the rotation directions of the output shafts of the two motors can be kept consistent all the time, and the rotation rates of the output shafts of the two motors can be kept the same all the time, so that the two cams are driven to synchronously and synchronously rotate at the same frequency, and practical application can be facilitated.
7. According to the utility model, the feeding port is used for feeding, namely crushed stone is put into the screening material box through the feeding port, the crushed stone can be positioned on the crushed stone screening piece, and during screening, the crushed stone conforming to the size can fall downwards from the crushed stone screening piece and flow outwards through the discharging port.
Drawings
FIG. 1 is a schematic three-dimensional structure of a crushed stone screening device provided by the utility model;
fig. 2 is a schematic view of a three-dimensional structure of a crushed stone screening device according to the present utility model;
fig. 3 is a schematic three-dimensional structure of a crushed stone screening member in the crushed stone screening device.
In the figure: 1. a bottom plate; 2. screening a feed box; 201. a feed inlet; 202. a discharge port; 203. a main guiding chute; 204. a side guide chute; 3. a support rod; 4. a screening plate; 401. screening holes; 5. a main guide bar; 6. a side guide bar; 7. a motor; 8. a cam.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Asphalt pavement is various types of pavement paved by mixing road asphalt materials into mineral materials, wherein the mineral materials are gravels, and the concrete steps are as follows: paving crushed stone on a pavement to form a crushed stone layer, pouring asphalt on the crushed stone layer to form an asphalt layer, enabling the asphalt to permeate between gaps of the crushed stone layer, bonding the crushed stone layer and the roadbed with each other through the asphalt, and repeatedly rolling the asphalt layer through a road roller to form an asphalt road.
The selection of gravels has technical requirements, the gravels have the same or similar particle sizes, the gravels are prevented from being different in size and large in difference, the gravels are paved on the ground to enable the ground to be uneven, and in order to overcome the unevenness, the poured asphalt amount is increased, namely, the asphalt amount is increased to fill the uneven stone layer.
Therefore, when screening crushed stone, a screening device for crushed stone is used.
For example, a chinese patent document with the existing patent publication number CN217165210U discloses a building rubble screening device.
The construction stone screening device disclosed in the above patent document can be used for screening stone when paving an asphalt pavement.
The above patent documents describe the following technical problems: the screening device for building crushed stones on the market at present mainly adopts a plurality of screening columns to be arranged into different interval sizes, so that the building crushed stones sequentially pass through the screening columns and are screened according to the order from small to large particle sizes, and the screening mode has the problems that in the actual screening process, as rock particles with different sizes are mixed together, small particles possibly are wrapped among a large stack of particles in the screening process, so that the small particles are not screened out and finally are divided into the large particles, and the later building quality is influenced.
The technical problems described in the above patent documents are clearly known, and still exist as follows:
the screening device for building rubble on the market at present adopts a plurality of screening posts to arrange into different interval sizes more, lets building rubble pass through these screening posts in proper order, screens according to from little to big granule size order, and this kind of screening mode has the problem that, in actual screening process, because the rock granule of different size is mixed together, and the granule is probably wrapped up between a pile of macroparticle at the in-process of screening, leads to it not to be selected out to finally divide into among the macroparticle, influences later stage road surface and lays.
The inventor adopts a technical scheme different from the Chinese patent document with the patent publication number of CN217165210U for solving the technical problems, and the technical scheme is as follows:
referring to fig. 1-3, the present utility model provides a technical solution:
as shown in fig. 1 to 3, a crushed stone screening device includes:
a base plate 1; the screening bin 2 is arranged above the bottom plate 1, the four corners of the bottom of the screening bin 2 are fixedly provided with supporting rods 3, and the bottoms of the four supporting rods 3 are fixedly connected with the top of the bottom plate 1; a crushed stone screening member installed in the screening bin 2; the sliding guide structures are provided with two groups, and the two groups of sliding guide structures are respectively arranged on two opposite sides between the crushed stone screening piece and the screening bin 2; the two groups of cam moving structures are respectively arranged on two sides of the screening bin 2 and can be respectively connected with the two groups of sliding guide structures;
the broken stone screening piece can continuously move up and down in the screening bin 2 under the cooperation of the cam moving structure and the sliding guide structure, broken stone on the broken stone screening piece can be screened under the action of the up and down movement of the broken stone screening piece.
Example two
As shown in fig. 1-3, the improvement is based on the first embodiment:
further, a feed inlet 201 which can facilitate feeding is formed at the top opening of the sieving box 2;
a discharge hole 202 which can facilitate discharging is formed in the bottom of the screening bin 2.
In this embodiment, the feed opening 201 is used for feeding, i.e. crushed stone is put into the screening bin 2 through the feed opening 201, and the crushed stone can be on the crushed stone screening member, and during screening, the crushed stone conforming to the size can fall down from the crushed stone screening member and flow out through the discharge opening 202.
Further, the crushed stone screening piece is a screening plate 4, the screening plate 4 is slidably mounted in the screening bin 2, and a plurality of screening holes 401 which are convenient for crushed stone to pass through and realize screening are formed in the screening plate 4.
In this embodiment, the screening plate 4 is a preferred form of a crushed stone screening member, under the action of the screening hole 401, crushed stone can be screened, that is, when the size of the crushed stone is matched with that of the screening hole 401, the crushed stone can fall down through the screening hole 401, and the sizes of the screened crushed stone are the same or similar, otherwise, too large crushed stone can remain on the upper surface of the screening plate 4, when unqualified crushed stone needs to be recovered, that is, under the condition that the screening device is stopped, the cleaning tool is used for recovering the crushed stone on the upper surface of the screening plate 4, and the cleaning tool can be a broom and a dustpan or other cleaning tools.
Further, the two sets of sliding guide structures comprise main guide sliding grooves 203 arranged in the middle of the side walls of the two opposite sides of the screening bin 2, and two side guide sliding grooves 204 are symmetrically arranged on the two sides of the two main guide sliding grooves 203;
the middle parts of the side walls of the two opposite sides of the screening plate 4 are fixedly provided with main guide rods 5, and the two main guide rods 5 can pass through the main guide sliding grooves 203 outwards;
two side guide rods 6 are symmetrically and fixedly arranged on two sides of the two main guide rods 5, and the two side guide rods 6 can respectively penetrate out from the two side guide sliding grooves 204, so that the screening plate 4 can conveniently move up and down in the screening bin 2.
Further, the circumferential side wall of the main guide bar 5 is tangent to the inner side wall of the main guide chute 203;
the circumferential side wall of the side guide bar 6 is tangent to the inner side wall of the side guide chute 204, so that the installation of the main guide bar 5 and the two side guide bars 6 can be facilitated.
Further, the two groups of cam moving structures comprise motors 7, and the two motors 7 are symmetrically and fixedly arranged at two opposite sides of the bottom of the screening bin 2;
the output shaft of each motor 7 is fixedly provided with a cam 8, and the circumferential side walls of the two cams 8 can be tangent with the circumferential side walls of the two main guide rods 5 respectively;
when the cam 8 rotates along with the rotation of the output shaft of the motor 7, the circumferential side wall of the main guide rod 5 can be in sliding connection with the circumferential side wall of the cam 8, so that the main guide rod 5 can move up and down in the main guide chute 203 along with the rotation of the cam 8, and when the main guide rod 5 moves up and down in the main guide chute 203, the two side guide rods 6 can also move up and down in the two side guide chute 204 at the same time, so that the screening plate 4 can move up and down continuously in the screening bin 2, and screening of crushed stones is realized.
Further, after the two motors 7 are symmetrically installed at the bottom of the screening bin 2, the rotation directions of the output shafts of the two motors 7 can be kept consistent all the time, and the rotation rates of the output shafts of the two motors 7 can be kept the same all the time, so that the two cams 8 are driven to be synchronous and have the same frequency when rotating, and practical application can be facilitated.
In summary, the working procedure of the utility model: the broken stone screening piece can continuously move up and down in the screening bin 2 under the cooperation of the cam moving structure and the sliding guide structure, broken stone on the broken stone screening piece can be screened under the action of the up and down movement of the broken stone screening piece;
the feeding port 201 is used for feeding, namely crushed stone is put into the screening bin 2 through the feeding port 201, the crushed stone can be positioned on the crushed stone screening piece, and during screening, the crushed stone conforming to the size can fall downwards from the crushed stone screening piece and flow outwards through the discharging port 202;
the screening plate 4 is a preferred form of a crushed stone screening piece, under the action of the screening hole 401, crushed stone can be screened, namely, when the size of the crushed stone is matched with that of the screening hole 401, the crushed stone can fall downwards through the screening hole 401, and the sizes of the screened crushed stone are the same or similar, otherwise, excessive crushed stone can be left on the upper surface of the screening plate 4, and when unqualified crushed stone needs to be recovered, namely, under the condition that the screening device is stopped, a cleaning tool is used for recovering the crushed stone on the upper surface of the screening plate 4, and the cleaning tool can be a broom, a dustpan or other cleaning tools;
the two groups of sliding guide structures comprise main guide sliding grooves 203 which are formed in the middle parts of the side walls of the two opposite sides of the screening bin 2, and two side guide sliding grooves 204 are symmetrically formed in the two sides of the two main guide sliding grooves 203; the middle parts of the side walls of the two opposite sides of the screening plate 4 are fixedly provided with main guide rods 5, and the two main guide rods 5 can pass through the main guide sliding grooves 203 outwards;
two side guide rods 6 are symmetrically and fixedly arranged on two sides of the two main guide rods 5, and the two side guide rods 6 can respectively pass through the two side guide sliding grooves 204 outwards, so that the screening plate 4 can conveniently move up and down in the screening bin 2;
the circumferential side wall of the main guide rod 5 is tangent to the inner side wall of the main guide chute 203, and the circumferential side wall of the side guide rod 6 is tangent to the inner side wall of the side guide chute 204, so that the installation of the main guide rod 5 and the two side guide rods 6 can be facilitated;
the two groups of cam motion structures comprise motors 7, the two motors 7 are symmetrically and fixedly arranged on two opposite sides of the bottom of the screening bin 2, a cam 8 is fixedly arranged on an output shaft of each motor 7, and the circumferential side walls of the two cams 8 can be tangent to the circumferential side walls of the two main guide rods 5 respectively;
when the cam 8 rotates along with the rotation of the output shaft of the motor 7, the circumferential side wall of the main guide rod 5 can be in sliding connection with the circumferential side wall of the cam 8, so that the main guide rod 5 can move up and down in the main guide chute 203 along with the rotation of the cam 8, and when the main guide rod 5 moves up and down in the main guide chute 203, the two side guide rods 6 also move up and down in the two side guide chute 204 at the same time, so that the screening plate 4 can continuously move up and down in the screening bin 2, and screening of crushed stones is realized;
after the two motors 7 are symmetrically installed at the bottom of the screening bin 2, the rotation directions of the output shafts of the two motors 7 can be kept consistent all the time, and the rotation rates of the output shafts of the two motors 7 can be kept the same all the time, so that the two cams 8 are driven to be synchronous and have the same frequency when rotating, and practical application can be facilitated.
The above-mentioned different embodiments can be mutually combined, replaced and matched for use.
None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A lithotriptic screening device, comprising:
a bottom plate (1);
the screening material boxes (2) are arranged above the bottom plate (1), supporting rods (3) are fixedly arranged at four corners of the bottom of each screening material box (2), and the bottoms of the four supporting rods (3) are fixedly connected with the top of the bottom plate (1);
a crushed stone screening element mounted in the screening bin (2);
the sliding guide structures are provided with two groups, and the two groups of sliding guide structures are respectively arranged on two opposite sides between the crushed stone screening piece and the screening material box (2); and
the cam motion structures are provided with two groups, the two groups of cam motion structures are respectively arranged on two sides of the screening bin (2), and the two groups of cam motion structures can be respectively connected with the two groups of sliding guide structures;
the crushed stone screening piece can continuously move up and down in the screening bin (2) under the cooperation of the cam moving structure and the sliding guide structure.
2. The lithotripter of claim 1, wherein: a feed inlet (201) which can facilitate feeding is formed at the top opening of the screening material box (2);
a discharge hole (202) which can facilitate discharging is formed in the bottom of the screening material box (2).
3. A lithotripsy screening apparatus according to claim 2, wherein: the stone breaking screening piece is a screening plate (4), the screening plate (4) is slidably mounted in the screening bin (2), and a plurality of screening holes (401) which are convenient for enabling stone breaking to pass through and achieving screening effect are formed in the screening plate (4).
4. A lithotripsy screening apparatus according to claim 3, wherein: the two groups of sliding guide structures comprise main guide sliding grooves (203) formed in the middle parts of the side walls of the two opposite sides of the screening bin (2), and two side guide sliding grooves (204) are symmetrically formed in the two sides of the main guide sliding grooves (203);
the middle parts of the side walls of the two opposite sides of the screening plate (4) are fixedly provided with main guide rods (5), and the two main guide rods (5) can pass through the main guide sliding grooves (203) outwards;
two side guide rods (6) are symmetrically and fixedly arranged on two sides of the main guide rod (5), and the two side guide rods (6) can respectively penetrate out from the two side guide sliding grooves (204).
5. The lithotripter of claim 4, wherein: the circumferential side wall of the main guide rod (5) is tangential to the inner side wall of the main guide chute (203);
the circumferential side wall of the side guide rod (6) is tangent with the inner side wall of the side guide chute (204).
6. The lithotripter of claim 4, wherein: the two groups of cam motion structures comprise motors (7), and the two motors (7) are symmetrically and fixedly arranged at two opposite sides of the bottom of the screening bin (2);
the output shaft of each motor (7) is fixedly provided with a cam (8), and the circumferential side walls of the two cams (8) can be tangent with the circumferential side walls of the two main guide rods (5) respectively;
when the cam (8) rotates along with the rotation of the output shaft of the motor (7), the circumferential side wall of the main guide rod (5) can be connected with the circumferential side wall of the cam (8) in a sliding mode.
7. The lithotripter of claim 6, wherein: after the two motors (7) are symmetrically arranged at the bottom of the screening material box (2), the rotation directions of the output shafts of the two motors (7) can be kept consistent all the time, and the rotation speeds of the output shafts of the two motors (7) can be kept the same all the time, so that the two cams (8) are driven to be synchronous and have the same frequency when rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240797.3U CN219923675U (en) | 2023-05-22 | 2023-05-22 | Crushed stone screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240797.3U CN219923675U (en) | 2023-05-22 | 2023-05-22 | Crushed stone screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219923675U true CN219923675U (en) | 2023-10-31 |
Family
ID=88498116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321240797.3U Active CN219923675U (en) | 2023-05-22 | 2023-05-22 | Crushed stone screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219923675U (en) |
-
2023
- 2023-05-22 CN CN202321240797.3U patent/CN219923675U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108889620B (en) | Building grit screening plant with scrape material and clearance function | |
| CN110216062B (en) | Civil engineering screening sand device | |
| CN209303428U (en) | A kind of building waste recycling equipment | |
| CN107597258A (en) | A kind of road construction concrete disintegrating device | |
| CN111905871B (en) | Multistage breaker of building aggregate | |
| CN111632839A (en) | Grit filter equipment for municipal works | |
| CN113279306B (en) | Cobblestone landscape road paving equipment and paving method | |
| CN219923675U (en) | Crushed stone screening device | |
| CN112676016B (en) | Building waste reducing mechanism | |
| CN112871273B (en) | Building rubbish recycling and crushing device and crushing method | |
| CN115522435A (en) | Paver and construction process of new and old asphalt concrete pavement | |
| CN113145213B (en) | Synthetic asphalt production method | |
| CN211274774U (en) | Gravel crushing mechanism for tubular pile | |
| CN219377258U (en) | Crushing and screening device | |
| CN220657707U (en) | Roadbed building and crushing device | |
| CN218573770U (en) | Breaker is used in pitch production | |
| CN110373975A (en) | A kind of stone crusher convenient for adjusting | |
| CN111514968A (en) | Soil material preparation device and method for geotechnical laboratory | |
| CN220238809U (en) | Broken screening plant of concrete recycled aggregate | |
| CN212284780U (en) | Real-time screening plant of bituminous mixture | |
| CN220611276U (en) | Building waste concrete recycled aggregate recovery plant | |
| CN220425932U (en) | Water-stabilized macadam screening hopper for constructional engineering | |
| CN217318618U (en) | A steady layer basal layer vibration mix device of ardealite water for municipal construction | |
| CN214812396U (en) | Raw materials screening equipment is used in asphalt concrete production | |
| CN221016222U (en) | Screening type sand and stone crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |