CN215198066U - Civil engineering multilayer drum-type screening machine - Google Patents
Civil engineering multilayer drum-type screening machine Download PDFInfo
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- CN215198066U CN215198066U CN202023174999.1U CN202023174999U CN215198066U CN 215198066 U CN215198066 U CN 215198066U CN 202023174999 U CN202023174999 U CN 202023174999U CN 215198066 U CN215198066 U CN 215198066U
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Abstract
The utility model discloses a civil engineering multilayer drum-type screening machine, this screening machine contains: the top of the frame is of a frame structure; the movable cross beam is detachably fixed at the opening of the frame; a rotating shaft support fixed to an upper surface of the movable beam; the motor is fixed on a frame structure at the top of the rack; one end of the rotating shaft is rotatably arranged on the rotating shaft support, and the other end of the rotating shaft is fixedly connected with an output shaft of the motor; the multi-layer rotary screen is sleeved on the rotating shaft and comprises a plurality of layers of rotary screens with mesh holes sequentially decreasing from inside to outside; one end of the first connecting rod is connected with the thread groove of the rotating shaft, and the other end of the first connecting rod penetrates through a fixing hole of the innermost layer of the drum screen; and the nut end of the second connecting rod is in threaded connection with the first connecting rod. The utility model discloses a multilayer drum-type screening machine can sieve the grit of different particle diameters simultaneously, dismantles moreover and simple to operate.
Description
Technical Field
The utility model relates to a drum-type screening machine, concretely relates to civil engineering multilayer drum-type screening machine.
Background
The sand screening machine is an auxiliary device for screening sand and stone to obtain sand and stone particle sizes with different requirements when the sand screening machine is used for preparing test pieces in civil engineering construction processes or civil engineering laboratories. The existing drum-type sand screening machine can only screen sand and stone with one particle size at a time, and when the sand and stone with multiple particle sizes need to be screened, the existing sand screening machine is low in efficiency. When preparing test pieces in a civil engineering laboratory, sand and stone with various particle sizes are generally needed.
Therefore, in view of the above current situation, there is a need to develop a multi-layer drum type screening machine for civil engineering, which overcomes the shortcomings in the current practical application, so as to improve the working efficiency of screening sand with different particle sizes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a civil engineering multilayer drum-type screening machine has solved the problem that current screening machine screening efficiency is low, can sieve the grit of different particle diameters simultaneously, dismantles moreover and simple to operate.
In order to achieve the above object, the utility model provides a civil engineering multilayer drum-type screening machine, this screening machine contains: the top of the frame is of a frame structure, and the frame structure is not closed to form an opening; the movable cross beam is detachably fixed at the opening of the rack; a rotating shaft bracket fixed to an upper surface of the movable beam; the motor is fixed on the frame structure at the top of the rack at a position corresponding to the rotating shaft bracket; one end of the rotating shaft is rotatably arranged on the rotating shaft support, the other end of the rotating shaft is fixedly connected with an output shaft of the motor, and threaded grooves are symmetrically formed in the side walls of the two ends of the rotating shaft; the multi-layer rotary screen is sleeved on the rotating shaft and comprises a plurality of layers of rotary screens with mesh sizes sequentially decreasing from inside to outside, and two ends of each rotary screen are provided with fixing holes corresponding to the thread grooves of the rotating shaft; the first connecting rod is provided with external threads at two ends, one end of the first connecting rod is in threaded connection with the thread groove of the rotating shaft, and the other end of the first connecting rod penetrates through the fixing hole of the innermost layer drum sieve; one end of the second connecting rod is an external thread end, the other end of the second connecting rod is a nut end, and the nut end of the second connecting rod is in threaded connection with the external thread end of the first connecting rod or the adjacent second connecting rod; and the external nut is in threaded connection with the external thread end of the second connecting rod connected with the outermost layer of the drum screen.
Preferably, four thread grooves are uniformly arranged on the outer wall of the rotating shaft; four fixing holes are uniformly formed in two ends of the drum screen.
Preferably, the movable cross beam and the machine frame are detachably connected through a limiting piece.
Preferably, the stopper is a screw.
Preferably, the top of the frame is provided with a U-shaped frame structure.
Preferably, the multi-layer trommel comprises: the first rotary screen, the second rotary screen and the third rotary screen are sequentially sleeved from inside to outside.
Preferably, the drum screen consists of a screen mesh and a screen frame, the screen frame is arranged at two ends of the screen mesh, and the fixing holes are arranged on the screen frame.
Preferably, the screen and the screen frame are cylinders of uniform diameter.
Preferably, support columns are fixed to the lower surface of the frame structure of the rack, and bases with areas larger than the cross sections of the support columns are fixed to the bottom ends of the support columns.
Preferably, a bottom plate is fixed between the supporting columns, and the collecting frame is arranged on the bottom plate.
The utility model discloses a civil engineering multilayer drum-type screening machine has solved the problem that current screening machine screening efficiency is low, has following advantage:
(1) the utility model discloses a civil engineering multilayer drum-type screening machine, through a plurality of layers of drum sieves that the sieve mesh reduces from inside to outside in proper order, drive the rotation by the pivot together to can sieve the grit of different particle sizes;
(2) the utility model discloses a civil engineering multilayer drum-type screening machine through the structural design of axis of rotation, a connecting rod and No. two connecting rods, makes things convenient for the dismantlement and the installation of multilayer drum sieve, moreover through movable cross beam's detachable design, makes things convenient for the drum sieve to put into or take out to the change of the drum sieve of convenient different sieve mesh sizes.
Drawings
Figure 1 is the utility model discloses a civil engineering multilayer drum-type screening machine's perspective view.
Figure 2 is the utility model discloses a civil engineering multilayer drum-type screening machine's part structural schematic diagram one.
Fig. 3 is a schematic connection diagram of the rotation shaft and the first connection rod of the present invention.
Fig. 4 is a schematic connection diagram of the second connection rod, the drum screen and the external nut of the present invention.
Figure 5 is the side schematic view of civil engineering multilayer drum-type screening machine of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
A civil engineering multi-deck drum screening machine, see figures 1-5, comprising: the device comprises a frame 1, a movable cross beam 3, a rotating shaft support 4, a rotating shaft 5, a motor 8, a rotary screen, an external nut 12, a first connecting rod 13 and a second connecting rod 14. Wherein, the top of the frame 1 is provided with a U-shaped structure. The movable beam 3 is detachably fixed at the opening edge of the top of the frame 1. The rotating shaft bracket 4 is fixed in the middle of the upper surface of the movable cross beam 3, and one end of the rotating shaft 5 is rotatably arranged on the rotating shaft bracket 4. The motor 8 is fixed on the frame 1 on the side opposite to the movable beam 3, and the other end of the rotating shaft 5 is fixedly connected with the output shaft of the motor 8. The drum screen comprises a first drum screen 9, a second drum screen 10 and a third drum screen 11 which are sequentially sleeved from inside to outside, the central axes of the first drum screen 9, the second drum screen 10 and the third drum screen 11 are located at the same position, the rotating shaft 5 penetrates through the central axis of the first drum screen 9, and the first drum screen 9, the second drum screen 10 and the third drum screen 11 are fixedly connected with the rotating shaft 5 through a first connecting rod 13, a second connecting rod 14 and an external nut 12.
The movable beam 3 is detachably connected with the opening edge at the top of the frame 1 through a limiting piece 6. The stop member 6 may be a screw.
The frame 1 is connected with the motor 8 through bolts. The output shaft of the motor 8 is connected with the rotating shaft 5 in a welding way.
The both ends of first drum sieve 9, second drum sieve 10 and third drum sieve 11 all are provided with the fixed orifices, and the surface correspondence of axis of rotation 5 is provided with the thread groove, and the both ends of a connecting rod 13 all have the external screw thread, and the one end of No. two connecting rods 14 has the external screw thread, and the other end has the nut. One end of the first connecting rod 13 is in threaded connection with a thread groove of the motor 8, and the other end of the first connecting rod passes through a fixing hole of the first rotary screen 9 and is in threaded connection with a nut end of the second connecting rod 14. The first rotary screen 9 and the second rotary screen 10 are connected with each other through a second connecting rod 14, the second rotary screen 10 and the third rotary screen 11 are connected with each other through a second connecting rod 14, and the external thread ends of the second connecting rods 14 between the second rotary screen 10 and the third rotary screen 11 are connected with each other through external nuts 12 and are limited. The first connecting rod 13 and the second connecting rod 14 facilitate the disassembly and the assembly of the drum screen.
The first trommel 9, the second trommel 10 and the third trommel 11 are all composed of a screen 111 and a screen frame 112, the screen 111 and the screen frame 112 are cylinders with the same diameter, the screen frame 112 is arranged at two ends of the screen 111 and is integrated with the screen 111 into a whole, the fixing holes are arranged on the screen frame 112, and four fixing holes are uniformly arranged. Four screw grooves of the rotation shaft 5 are also provided correspondingly.
Also, the mesh openings of the mesh 111 of the first trommel 9, the second trommel 10 and the third trommel 11 are sequentially decreased.
In addition, the four corners of the lower surface of the U-shaped structure of the frame 1 are all fixed with support columns, the bottom ends of the support columns are all fixed with a base 2 with the area larger than the cross section of the support columns, and the bottom end of the frame 1 is connected with the base 2 in a welding mode.
A bottom plate 7 is fixed between the support columns under the U-shaped structure of the frame 1. The switch 15 is fixed on the frame 1.
The utility model discloses a civil engineering multilayer drum-type screening machine's theory of operation specifically as follows:
during screening, the collection frame is placed on the bottom plate 7 so that it is directly below the third trommel 11.
The sand to be screened is added into the first rotary screen 9, the switch 15 is turned on, the motor 8 starts to work to drive the rotating shaft 5 to rotate, and the rotating shaft 5 is fixedly connected with the first rotary screen 9, the second rotary screen 10 and the third rotary screen 11, so that the first rotary screen 9, the second rotary screen 10 and the third rotary screen 11 rotate together. In the rotating process, the gravels with the grain sizes smaller than the sieve pores in the first trommel sieve 9 fall into the second trommel sieve 10, the gravels with the grain sizes smaller than the sieve pores in the second trommel sieve 10 fall into the third trommel sieve 11, and the gravels with the grain sizes smaller than the sieve pores in the third trommel sieve 11 fall into the collecting frame, so that the gravels with different grain sizes are classified simultaneously.
When different particle sizes need to be screened, only the rotary screens with different screen holes need to be replaced, and the use is convenient.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. The utility model provides a civil engineering multilayer drum-type screening machine which characterized in that, this screening machine contains:
the top of the frame (1) is of a frame structure, and the frame structure is not closed to form an opening;
the movable cross beam (3) is detachably fixed at the opening of the frame (1);
a rotating shaft support (4) fixed to an upper surface of the movable cross member (3);
the motor (8) is fixed at the position, corresponding to the rotating shaft support (4), on the frame structure at the top of the rack (1);
one end of the rotating shaft (5) is rotatably arranged on the rotating shaft support (4), the other end of the rotating shaft is fixedly connected with an output shaft of the motor (8), and threaded grooves are symmetrically formed in the side walls of the two ends of the rotating shaft;
the multi-layer rotary screen is sleeved on the rotating shaft (5) and comprises a plurality of layers of rotary screens with mesh sizes sequentially reduced from inside to outside, and fixing holes corresponding to the thread grooves of the rotating shaft (5) are formed in two ends of each rotary screen;
the first connecting rod (13) is provided with external threads at two ends, one end of the first connecting rod is in threaded connection with the thread groove of the rotating shaft (5), and the other end of the first connecting rod penetrates through a fixing hole of the innermost layer of the rotary screen;
one end of the second connecting rod (14) is an external thread end, the other end of the second connecting rod is a nut end, and the nut end of the second connecting rod is in threaded connection with the external thread end of the first connecting rod (13) or the adjacent second connecting rod (14); and
and the external nut (12) is in threaded connection with the external thread end of a second connecting rod (14) connected with the outermost layer of the drum screen.
2. Civil engineering multi-deck roller screen according to claim 1, characterised in that four screw grooves are provided evenly on the outer wall of the rotating shaft (5); four fixing holes are uniformly formed in two ends of the drum screen.
3. Civil engineering multi-deck roller screen according to claim 1, characterised in that the movable cross beam (3) and the machine frame (1) are detachably connected by means of a stop (6).
4. Civil engineering multi-deck roller screen according to claim 3, characterised in that the retaining element (6) is a screw.
5. Civil engineering multi-deck roller-type screening machine according to claim 1, characterized in that the top of the frame (1) has a U-shaped frame structure.
6. Civil engineering multi-deck roller screen machine according to claim 1, characterized in that the multi-deck roller screen comprises: the first rotary screen (9), the second rotary screen (10) and the third rotary screen (11) are sequentially sleeved from inside to outside.
7. Civil engineering multi-deck roller type screening machine according to claim 1, characterized in that the trommel is composed of a screen cloth (111) and a screen frame (112), the screen frame (112) is arranged at both ends of the screen cloth (111), and the fixing holes are arranged on the screen frame (112).
8. Civil engineering multi-deck roller screen machine according to claim 7, characterized in that the screen cloth (111) and the screen frame (112) are cylinders of uniform diameter.
9. Civil engineering multi-deck roller screen according to claim 1, characterized in that the frame (1) has support columns fixed to its lower surface of its frame structure, each support column having at its bottom end a base (2) of area greater than the cross-section of the support column.
10. Civil engineering multi-deck roller screen according to claim 9, characterised in that a base plate (7) is fixed between the support columns, the collection frame being placed on this base plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174999.1U CN215198066U (en) | 2020-12-25 | 2020-12-25 | Civil engineering multilayer drum-type screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174999.1U CN215198066U (en) | 2020-12-25 | 2020-12-25 | Civil engineering multilayer drum-type screening machine |
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| Publication Number | Publication Date |
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| CN215198066U true CN215198066U (en) | 2021-12-17 |
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| CN202023174999.1U Active CN215198066U (en) | 2020-12-25 | 2020-12-25 | Civil engineering multilayer drum-type screening machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682482A (en) * | 2022-03-03 | 2022-07-01 | 安化县司徒铺钨矿 | Tungsten ore mining is with ore dressing segmentation device |
| CN117548326A (en) * | 2024-01-02 | 2024-02-13 | 天津瑞远粉末涂料有限公司 | Powder screening equipment |
-
2020
- 2020-12-25 CN CN202023174999.1U patent/CN215198066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682482A (en) * | 2022-03-03 | 2022-07-01 | 安化县司徒铺钨矿 | Tungsten ore mining is with ore dressing segmentation device |
| CN117548326A (en) * | 2024-01-02 | 2024-02-13 | 天津瑞远粉末涂料有限公司 | Powder screening equipment |
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