CN219273616U - Sand screening device for constructional engineering - Google Patents
Sand screening device for constructional engineering Download PDFInfo
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- CN219273616U CN219273616U CN202320478096.7U CN202320478096U CN219273616U CN 219273616 U CN219273616 U CN 219273616U CN 202320478096 U CN202320478096 U CN 202320478096U CN 219273616 U CN219273616 U CN 219273616U
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Abstract
The utility model relates to the technical field of sand screening machinery, and particularly discloses a sand screening device for construction engineering, which comprises a sand screening mechanism and a conveying mechanism, wherein the sand screening mechanism comprises a support and a screen cylinder rotatably arranged above the support, and a guide plate which is obliquely arranged is arranged below the screen cylinder on the support; the conveying mechanism comprises a bracket, wherein the upper end and the lower end of the bracket are respectively connected with a first roller and a second roller which are obliquely arranged in a rotating way, a conveying belt is wound on the first roller and the second roller, and a guide hopper for receiving the blanking of the conveying belt is arranged at the upper end of the bracket; the first roller and the screen cylinder are driven by a gear and an external gear, and one end of the first roller is connected with a driving motor. According to the utility model, the transmission mechanism, the sand screening mechanism and the vibration mechanism are driven to work simultaneously by one driving motor, and the step of manual transmission operation is replaced by mechanized feeding and screening operation, so that the working efficiency is improved, and the labor intensity is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of sand screening machinery, in particular to a sand screening device for construction engineering.
Background
Currently, a sand screening tool adopted by a building site is a sand screening net, for example, a sand screening net for building construction disclosed in patent number CN201721187346.2, a sand screening net disclosed in patent number CN201920344422.9 and the like;
when the sand screening net is used, the inclined support is arranged beside the sand pile, a worker adopts a spade to shovel sand to lift the spade to the sand screening net for sand screening, the construction progress is difficult to keep up with due to the large sand material consumption in construction and the manual sand lifting screening mode, the waist and elbow movement of the worker is large in the manual sand lifting process, the working efficiency is lower and lower, and more importantly, the long-term sand screening operation is serious in damage to the torsion joints of the worker.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a sand screening device for construction engineering, which adopts a driving motor to drive a conveying mechanism, a sand screening mechanism and a vibrating mechanism to work at the same time, adopts mechanized feeding and screening operation to replace the step of manual transmission operation, thereby not only improving the working efficiency, but also greatly reducing the labor intensity.
The technical scheme of the utility model is as follows:
the sand screening device for the construction engineering comprises a sand screening mechanism, wherein one side of the sand screening mechanism is provided with a conveying mechanism;
the sand screening mechanism comprises a support and a screen cylinder arranged above the support, a group of supporting wheels for supporting the screen cylinder to rotate are arranged at the top of the support, and a guide plate which is obliquely arranged is arranged below the screen cylinder on the support;
the conveying mechanism comprises a frame, a first roller and a second roller which are obliquely arranged are respectively connected at the upper end and the lower end of the frame in a rotating way, a conveying belt is wound on the first roller and the second roller, a guide hopper for receiving the blanking of the conveying belt is arranged at the upper end of the frame, and one side of the guide hopper extends downwards in an inclined way to enter the interior of the screen cylinder;
the end part of the first roller, which is close to the screen cylinder, is connected with a gear, an outer gear ring meshed with the gear is arranged at the end part of the screen cylinder, and the other end of the first roller is connected with a driving motor.
Preferably, the support is also provided with a vibration mechanism for driving the material guide plate;
the vibration mechanism comprises an L-shaped bracket, the L-shaped bracket is positioned on one side of the relatively higher position of the material guiding plate and is fixedly connected with the support, and one side of the relatively lower position of the material guiding plate is hinged with the support;
the transverse end part of the L-shaped support is connected with a T-shaped support rod in a sliding manner, a support spring is arranged between the T-shaped support rod and the L-shaped support, an eccentric wheel is arranged on the outer side of a support wheel close to the top of the T-shaped support rod, and the outer peripheral surface of the eccentric wheel is contacted with the top of the T-shaped support rod and drives the T-shaped support rod to slide;
the bottom of the T-shaped supporting rod is connected with a connecting rod extending into the bottom of the material guide plate, and the connecting rod is provided with a roller for supporting the material guide plate.
Preferably, the outer peripheral surface of the conveyor belt is provided with rough grains.
Preferably, annular boss parts in a closing-in shape are arranged at two ends of the screen cylinder, and the supporting wheels are supported at the positions of the annular boss parts.
Preferably, a speed reducer for transmission is arranged between the driving motor and the first roller, and the speed reducer is fixed on the guide hopper.
Compared with the prior art, the utility model has the following advantages:
the utility model adopts mechanized feeding and screening to replace the manual transmission operation step, thereby not only improving the working efficiency, but also needing to manually lift sand to a certain height during the cancelled transmission operation, greatly reducing the labor intensity and avoiding damaging the body of workers.
The utility model adopts one driving motor to drive the conveying mechanism and the sand screening mechanism to work simultaneously, the design is more reasonable, the manufacturing and using costs are lower, in addition, the driving motor also indirectly drives the vibrating mechanism to work, and the problem that the screened fine sand is accumulated on the material guide plate can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram of a vibration mechanism;
in the figure:
1. a conveying mechanism, a sand screening mechanism, a vibrating mechanism and a sand screening mechanism;
101. the device comprises a driving motor 102, a speed reducer 103, a first roller 104, a conveyor belt 105, a second roller 106, a rack 107 and a guide hopper;
201. the device comprises a screen cylinder 202, an annular boss part 203, a support, 204, a supporting wheel 205, a guide plate 206, an eccentric wheel 207, a T-shaped supporting rod 208, an L-shaped bracket 209, a supporting spring 210, a connecting rod 211 and a roller;
401. gear, 402, outer ring gear.
Detailed Description
The utility model is further illustrated by the following examples in connection with the accompanying drawings.
Example 1
As shown in fig. 1 to 2, a sand screening device for construction engineering comprises a sand screening mechanism 2 and a conveying mechanism 1 positioned at one side of the sand screening mechanism 2.
The sand screening mechanism 2 comprises a support 203 and a screen drum 201 arranged above the support 203, the support 203 and the screen drum 201 are made of metal materials, the top of the support 203 is rotationally connected with four supporting wheels 204, the screen drum 201 is arranged above the four supporting wheels 204, and the screen drum 201 is supported to rotate through the four supporting wheels 204.
The support 203 is provided with a guide plate 205 which is obliquely arranged below the screen drum 201, the guide plate 205 is used for receiving fine sand screened by the screen drum 201, and the fine sand slides down and is collected along an oblique broken surface.
The conveying mechanism 1 comprises a rack 106, a first roller 103 and a second roller 105 which are obliquely arranged are respectively connected to the upper end and the lower end of the rack 106 in a rotating mode, and a conveying belt 104 is wound on the first roller 103 and the second roller 105.
The upper end of the frame 106 is provided with a guide hopper 107 for receiving the blanking of the transmission belt, one side of the guide hopper 107 extends downwards and obliquely into the screen drum 201, and sand materials conveyed on the transmission belt 104 can be guided into the screen drum 201 through the guide hopper 107 after entering the guide hopper 107.
The end of the first roller 103, which is close to the screen drum 201, is connected with a gear 401, and the end of the screen drum 201 is provided with an outer gear ring 402 meshed with the gear 401, and the other end of the first roller 103 is connected with a driving motor 101.
During operation, the driving motor 101 drives the first roller 103 to rotate, the sieve cylinder 201 is driven to rotate through the transmission cooperation of the gear 401 and the outer gear ring 402, the first roller 103 drives the conveyor belt 104 to rotate for feeding, and the sieve cylinder 201 rotates for sieving.
Example 2
The embodiment is further optimized based on the embodiment, and specifically comprises the following steps:
as shown in fig. 2 and 3, the support 203 is provided with a vibration mechanism 3 for driving the guide plate 205.
The vibration mechanism 3 comprises an L-shaped bracket 208, the L-shaped bracket 208 is positioned on one side of the material guiding plate 205, which is relatively higher, and is fixedly connected with the support 203, and one side of the material guiding plate 205, which is relatively lower, is hinged with the support 203.
The transverse end of the L-shaped support 208 is provided with a through hole, a T-shaped support rod 207 is vertically connected in the through hole in a sliding manner, a support spring 209 is arranged between the T-shaped support rod 207 and the L-shaped support 208, and the support spring 209 is sleeved on the outer side of the T-shaped support rod 207 and plays a role in elastically supporting the top of the T-shaped support rod 207.
An eccentric wheel 206 is arranged outside the supporting wheel 204, which is close to the top of the T-shaped supporting rod 207, the outer peripheral surface of the eccentric wheel 206 is contacted with the top of the T-shaped supporting rod 207, and when the eccentric wheel 206 rotates, the outer peripheral surface of the eccentric wheel 206 pushes the T-shaped supporting rod 207 to slide up and down.
The bottom of the T-shaped support rod 207 is connected with a connecting rod 210 extending into the bottom of the guide plate 205, and the connecting rod 210 is provided with a roller 211 for supporting the guide plate 205.
Along with the rotation of the eccentric wheel 206, the T-shaped supporting rod 207 is continuously driven to move up and down, and then the T-shaped supporting rod 207 supports the material guiding plate 205 to vibrate up and down through the connecting rod 210 and the roller 211, so that fine sand on the material guiding plate 205 is shaken off, and the fine sand is prevented from accumulating on the material guiding plate 205.
Example 3
The embodiment is further optimized based on the embodiment, and specifically comprises the following steps:
(1) Coarse grains are arranged on the outer peripheral surface of the conveyor belt 104, and friction force on the surface of the conveyor belt 104 is increased through the coarse grains, so that sand materials can be conveniently conveyed obliquely upwards along the conveyor belt.
(2) As shown in fig. 1 and 2, two ends of a screen drum 201 are provided with a closed annular boss portion 202, and a supporting wheel 204 is supported at the position of the annular boss portion 202, so that the screen drum 201 can be axially limited by the design, and sand entering the screen drum 201 is prevented from being spilled out from an end opening of the screen drum 201.
As shown in fig. 1 and 2, a reducer 102 for transmission is arranged between the driving motor 101 and the first roller 103, the reducer 102 is fixed on the guide hopper 107, and the rotation speed can be reduced and the torque can be increased through the reducer 102, so that the rotation of the conveyor belt 104 and the screen drum 201 is smoother.
The working principle of the utility model is as follows:
when the rotary type material guide plate 205 is used, the first roller 103 is driven to rotate through the driving motor 101, the screen drum 201 is driven to rotate through the cooperation transmission of the gear 401 and the outer gear ring 402, the supporting wheel 204 and the eccentric wheel 206 are driven to rotate together when the screen drum 201 rotates, the T-shaped supporting rod 207 is continuously driven to move up and down along with the rotation of the eccentric wheel 206, and then the T-shaped supporting rod 207 supports the material guide plate 205 to vibrate up and down through the connecting rod 210 and the roller 211.
Sand is fed into the guide hopper 107 by the conveyor belt 104, and then is conveyed to the screen drum 201 by the guide hopper 107, fine sand falls on the guide plate 205 after passing through the screen holes along with the rotation of the screen drum 201, and along with the vibration of the guide plate 205, the fine sand on the guide plate 205 is discharged and collected along an inclined plane, and large-particle sand remains in the screen drum 201 in the rotary screening process of the screen drum 201 and is removed through regular cleaning.
According to the utility model, the driving motor 101 is adopted to drive the conveying mechanism 1 and the sand screening mechanism 2 to carry out transmission operation and screening operation, the mechanical structure is reasonable in design, the manufacturing and using cost is lower, in addition, the driving motor 101 also indirectly drives the vibrating mechanism 3 to work, and the problem that screened fine sand is accumulated on the material guide plate 205 can be effectively avoided.
The utility model adopts mechanized feeding and screening to replace the manual transmission operation step, thereby not only improving the working efficiency, but also needing to manually lift sand to a certain height during the cancelled transmission operation, greatly reducing the labor intensity and avoiding damaging the body of workers.
The present utility model is not limited to the above-described embodiments, and various changes may be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art, and the contents after the changes still fall within the scope of the present utility model.
Claims (5)
1. The utility model provides a sand screening device for building engineering, includes sand screening mechanism, its characterized in that: one side of the sand screening mechanism is provided with a conveying mechanism;
the sand screening mechanism comprises a support and a screen cylinder arranged above the support, a group of supporting wheels for supporting the screen cylinder to rotate are arranged at the top of the support, and a guide plate which is obliquely arranged is arranged below the screen cylinder on the support;
the conveying mechanism comprises a frame, a first roller and a second roller which are obliquely arranged are respectively connected at the upper end and the lower end of the frame in a rotating way, a conveying belt is wound on the first roller and the second roller, a guide hopper for receiving the blanking of the conveying belt is arranged at the upper end of the frame, and one side of the guide hopper extends downwards in an inclined way to enter the interior of the screen cylinder;
the end part of the first roller, which is close to the screen cylinder, is connected with a gear, an outer gear ring meshed with the gear is arranged at the end part of the screen cylinder, and the other end of the first roller is connected with a driving motor.
2. A sand screening apparatus for construction engineering according to claim 1, wherein: the support is also provided with a vibrating mechanism for driving the material guide plate;
the vibration mechanism comprises an L-shaped bracket, the L-shaped bracket is positioned on one side of the relatively higher position of the material guiding plate and is fixedly connected with the support, and one side of the relatively lower position of the material guiding plate is hinged with the support;
the transverse end part of the L-shaped support is connected with a T-shaped support rod in a sliding manner, a support spring is arranged between the T-shaped support rod and the L-shaped support, an eccentric wheel is arranged on the outer side of a support wheel close to the top of the T-shaped support rod, and the outer peripheral surface of the eccentric wheel is contacted with the top of the T-shaped support rod and drives the T-shaped support rod to slide;
the bottom of the T-shaped supporting rod is connected with a connecting rod extending into the bottom of the material guide plate, and the connecting rod is provided with a roller for supporting the material guide plate.
3. A sand screening apparatus for construction engineering according to claim 1, wherein: and rough grains are arranged on the outer circumferential surface of the conveyor belt.
4. A sand screening apparatus for construction engineering according to claim 1, wherein: the two ends of the screen cylinder are provided with annular boss parts in a closing-in shape, and the supporting wheels are supported at the positions of the annular boss parts.
5. A sand screening apparatus for construction engineering according to claim 1, wherein: a speed reducer for transmission is arranged between the driving motor and the first roller, and the speed reducer is fixed on the guide hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478096.7U CN219273616U (en) | 2023-03-14 | 2023-03-14 | Sand screening device for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478096.7U CN219273616U (en) | 2023-03-14 | 2023-03-14 | Sand screening device for constructional engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219273616U true CN219273616U (en) | 2023-06-30 |
Family
ID=86931861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320478096.7U Active CN219273616U (en) | 2023-03-14 | 2023-03-14 | Sand screening device for constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219273616U (en) |
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2023
- 2023-03-14 CN CN202320478096.7U patent/CN219273616U/en active Active
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