A sand screening machine for construction machinery
By using a rotating electric machine to drive the rotary drum and rotary rod to rotate in construction machinery sand screening machines, and combining with the evaporation component to divide the sand, the problem of low dehumidification efficiency and sand clumping in the existing technology is solved, and efficient dehumidification and drying effects are achieved.
Patent Information
- Application Number
- CN202421019471.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing sand screening machines for construction projects are inefficient during the dehumidification process, and the wet sand is easy to clump and cannot effectively contact hot air.
A sand screening machine for construction machinery is designed, using a rotating electric machine to drive the rotary drum and rotary rod to rotate, and the sand is dispersed and rotated through the meshing connection of bevel gears, increasing the contact area between the sand and hot air. At the same time, the evaporation assembly divides the sand through the spiral blades and the evaporation member to increase the evaporation efficiency.
Effectively break the clumped sand, improve dehumidification efficiency, enhance drying efficiency, and divide the sand through the evaporator to further improve the evaporation efficiency.
Smart Images
Figure CN222710143U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand screening machines, in particular to a sand screening machine of the construction machinery type. Background Art
[0002] Sand screening machine, also known as dry land sand screening ship and sand and gravel separator, is sand and gravel separation equipment suitable for rivers, reservoirs, and coal yards. It is composed of a hull, a frame, a reducer, a conveyor belt, a rotary screen, an engine or a motor. This machine has a simple structure, is economical and easy to operate. It is divided into drum sand screening machine, water-washed drum sand screening machine, vibrating screen sand screening machine, etc. In the field of sand screening machine technology, a construction machinery type sand screening machine is often used.
[0003] After searching, the existing Chinese patent announcement number is: CN220258658U, which provides a sand screening machine for construction projects, including a sand screening machine, the bottom of which is placed on the ground; it also includes: a feed port is opened at the upper left end of the sand screening machine, and the top of the feed port is funnel-shaped, and a motor is fixed to the right side wall of the sand screening machine by screws, and the output end of the motor on the right side of the sand screening machine is fixedly connected to the right end of the rotating rod, and the left end of the rotating rod is rotatably arranged at the top of the inside of the sand screening machine through a bearing, and the right side of the rotating rod is connected to the driven rod through a pulley group. The patent drives the filter screen to swing through the rotation of the cam, and then the filter screen can vibrate, so that the filter screen can automatically discharge stones in the process of separating sand and stone, so that the stones can roll out of the sand screening machine through the filter screen, and then achieve the purpose of automatic stone discharge, thereby reducing the workload of construction workers.
[0004] Although the above patent can reduce the workload of workers, the above sand screening machine for construction projects still has the following problems: only the drying head dehumidifies the wet sand, and the sand comes into contact with hot air when falling, and the wet sand is easy to clump, and the inside of the clumped wet sand cannot come into contact with the hot air, resulting in low dehumidification efficiency.
[0005] In view of the above problems, a sand screening machine of construction machinery is proposed. Utility Model Content
[0006] The utility model aims to provide a sand screening machine for construction machinery, which solves the problem of low dehumidification efficiency in the background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand screening machine of the construction machinery type, comprising a drying cylinder, a dispersing chamber is fixedly connected to the left side of the top of the drying cylinder, a feeding pipe is passed through and fixedly connected to the right side of the top of the dispersing chamber, a rotating motor 1 is fixedly connected to the left side of the drying cylinder, a rotating motor 2 is fixedly connected to the top of the dispersing chamber, a fixing rod is fixedly connected to the bottom middle of the dispersing chamber, a rotating drum is passed through and rotatably connected to the middle of the drying cylinder, a rotating rod is passed through and rotatably connected to the outer wall of the rotating drum, a dispersing sheet is fixedly connected to the end of the rotating rod away from the rotating drum, and an evaporation component is arranged in the middle of the drying cylinder.
[0008] By adopting the above technical solution, the rotating motor drives the rotating drum to rotate, the rotating drum drives the rotating rod to rotate, and the rotating rod drives the breaking piece to rotate to break up the falling sand.
[0009] As a further description of the above technical solution: the evaporation component includes a rotating shaft, which passes through and is rotatably connected to the middle of the drying cylinder, and the outer wall of the rotating shaft is fixedly connected with a spiral blade.
[0010] By adopting the above technical solution, the rotating shaft drives the spiral blades to rotate to transport the sand.
[0011] As a further description of the above technical solution: a fixing rod passes through the bottom of the rotating drum and is rotatably connected thereto, and the top of the rotating drum passes through the drying drum and is fixedly connected to the output end of the second rotating motor.
[0012] By adopting the above technical solution, the second rotating motor drives the rotating drum to rotate.
[0013] As a further description of the above technical solution: the top of the fixed rod passes through and is fixedly connected with evenly distributed bevel gear 2, the end of the rotating rod close to the fixed rod is fixedly connected with bevel gear 1, and the bevel gear 2 is meshingly connected with the bevel gear 1.
[0014] By adopting the above technical solution, since the bevel gear 1 is meshed and connected with the bevel gear 2, the bevel gear 1 drives the rotating rod to rotate.
[0015] As a further description of the above technical solution: the outer wall of the rotating shaft is fixedly connected with uniformly distributed evaporating elements, and one end of the evaporating element away from the rotating shaft is provided with uniformly distributed grooves.
[0016] By adopting the above technical solution, the evaporator drives the groove to rotate, separates the sand, and increases the contact area between the sand and the hot air.
[0017] As a further description of the above technical solution: an electric heating plate is passed through and fixedly connected to the middle of the drying cylinder.
[0018] By adopting the above technical solution, the electric heating plate increases the temperature in the drying drum.
[0019] As a further description of the above technical solution: a vibration motor is arranged at the bottom of the right side of the drying cylinder, a sieve plate is arranged on the top of the vibration motor, and a sand collecting trough is arranged at the bottom of the sieve plate.
[0020] By adopting the above technical solution, the vibration motor drives the screen plate to vibrate and sieve the sand, and the sand falls into the sand collecting trough for collection.
[0021] As a further description of the above technical solution: a dust cover is fixedly connected to the right side of the drying cylinder.
[0022] By adopting the above technical solution, the dust cover prevents dust from polluting the working environment during sand screening.
[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0024] 1. The utility model provides a sand screening machine of the construction machinery type. The rotary drum is driven to rotate by the rotary motor 2, and the rotary drum drives the rotating rod to rotate. Since the bevel gear 2 is meshed and connected with the bevel gear 1, the rotating rod rotates while revolving, thereby breaking up the clumped sand and enhancing the drying efficiency.
[0025] 2. The utility model provides a sand screening machine for construction machinery. Once the rotating motor is started, it drives the rotating shaft to rotate, and the rotating shaft drives the spiral blades to rotate to transport sand. At the same time, the rotating shaft drives the evaporating element to rotate. The grooves on the evaporating element divide the sand to increase the contact area between sand and air, and further improve the evaporation efficiency. Then the vibration motor drives the screen plate to vibrate and screen the sand. The sand falls into the sand collecting trough from the through holes on the screen plate, and impurities are discharged from the right side of the screen plate. The dust cover prevents dust from polluting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0027] Figure 2 It is a schematic diagram of the rotating drum of the utility model;
[0028] Figure 3 This is a second schematic diagram of the bevel gear of the utility model;
[0029] Figure 4 It is a schematic diagram of the electric heating plate of the utility model;
[0030] Figure 5 This is a schematic diagram of the evaporation element of the utility model.
[0031] In the figure: 1. drying drum; 2. breaking up chamber; 3. feeding pipe; 4. rotating motor 1; 5. sand collecting trough; 6. vibration motor; 7. sieve plate; 8. dust cover; 9. rotating motor 2; 10. rotating drum; 11. fixing rod; 12. breaking up sheet; 13. rotating rod; 14. bevel gear 1; 15. bevel gear 2; 16. evaporating part; 17. rotating shaft; 18. spiral blade; 19. electric heating plate; 20. trough. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
[0034] Combination Figure 1-3 A sand screening machine for construction machinery comprises a drying cylinder 1, a dispersing chamber 2 is fixedly connected to the left side of the top of the drying cylinder 1, a feeding pipe 3 is penetrated and fixedly connected to the right side of the top of the dispersing chamber 2, sand is put into the dispersing chamber 2 from the feeding pipe 3, a rotating motor 4 is fixedly connected to the left side of the drying cylinder 1, a rotating motor 2 9 is fixedly connected to the top of the dispersing chamber 2, a fixing rod 11 is fixedly connected to the bottom of the middle of the dispersing chamber 2, a rotating drum 10 is penetrated and rotatably connected to the middle of the drying cylinder 1, and the rotating motor 2 9 is started to drive the rotating drum 10 to rotate, a rotating rod 13 is penetrated and rotatably connected to the outer wall of the rotating drum 10, and the rotating drum 10 drives the rotating rod 13 to rotate, and a dispersing sheet 12 is fixedly connected to the end of the rotating rod 13 away from the rotating drum 10, the bottom of the rotating drum 10 is penetrated and rotatably connected to the fixing rod 11, the top of the rotating drum 10 is penetrated by the drying cylinder 1 and is connected to the rotating motor The output end of the machine 2 9 is fixedly connected, and a uniformly distributed bevel gear 2 15 is passed through and fixedly connected to the top of the fixed rod 11. A bevel gear 14 is fixedly connected to one end of the rotating rod 13 close to the fixed rod 11. The bevel gear 2 15 is meshingly connected with the bevel gear 14. Due to the meshing connection between the bevel gear 2 15 and the bevel gear 14, the rotating rod 13 rotates while revolving, thereby breaking up the clumped sand and enhancing the drying efficiency. A vibration motor 6 is provided at the bottom right side of the drying cylinder 1, and a sieve plate 7 is provided at the top of the vibration motor 6. The vibration motor 6 drives the sieve plate 7 to vibrate and sieve the sand. A sand collecting trough 5 is provided at the bottom of the sieve plate 7. The sand falls into the sand collecting trough 5 from the through holes on the sieve plate 7, and impurities are discharged from the right side of the sieve plate 7. A dust cover 8 is fixedly connected to the right side of the drying cylinder 1 to prevent dust from polluting the working environment.
[0035] Combination Figure 4-5An evaporation component is provided in the middle of the drying cylinder 1, and the evaporation component includes a rotating shaft 17, which passes through and is rotatably connected to the middle of the drying cylinder 1. The rotating motor 4 is started to drive the rotating shaft 17 to rotate. The outer wall of the rotating shaft 17 is fixedly connected with a spiral blade 18. The rotating shaft 17 drives the spiral blade 18 to rotate to transport sand. The outer wall of the rotating shaft 17 is fixedly connected with evenly distributed evaporation elements 16. The end of the evaporation element 16 away from the rotating shaft 17 is provided with evenly distributed grooves 20. The rotating shaft 17 drives the evaporation element 16 to rotate. The grooves 20 on the evaporation element 16 divide the sand, increase the contact area between the sand and the air, and further improve the evaporation efficiency. An electric heating plate 19 passes through and is fixedly connected to the middle of the drying cylinder 1. The electric heating plate 19 is started in advance to heat the inside of the drying cylinder 1.
[0036] Working principle: start the electric heating plate 19 in advance to heat the inside of the drying drum 1, put the sand into the breaking up chamber 2 from the feeding pipe 3, start the rotating motor 29 to drive the rotating drum 10 to rotate, and the rotating drum 10 drives the rotating rod 13 to rotate. Due to the meshing connection between the bevel gear 2 15 and the bevel gear 1 14, the rotating rod 13 rotates while revolving, thereby breaking up the clumped sand and enhancing the drying efficiency. After that, the sand falls into the drying drum 1, and the rotating motor 1 4 is started to drive the rotating shaft 17 to rotate, and the rotating shaft 17 drives the spiral blade 18 to rotate to transport the sand. At the same time, the rotating shaft 17 drives the evaporating element 16 to rotate, and the groove 20 on the evaporating element 16 divides the sand, increases the contact area between the sand and the air, and further improves the evaporation efficiency. Then the vibration motor 6 drives the screen plate 7 to vibrate and sieve the sand. The sand falls into the sand collecting trough 5 from the through hole on the screen plate 7, and the impurities are discharged from the right side of the screen plate 7. The dust cover 8 prevents dust from polluting the working environment.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sand screening machine for construction machinery, comprising a drying drum (1), characterized in that: The top left side of the drying cylinder (1) is fixedly connected to a dispersing chamber (2), the top right side of the dispersing chamber (2) is penetrated and fixedly connected to a feed pipe (3), the left side of the drying cylinder (1) is fixedly connected to a rotating motor 1 (4), the top of the dispersing chamber (2) is fixedly connected to a rotating motor 2 (9), the middle bottom of the dispersing chamber (2) is fixedly connected to a fixing rod (11), the middle of the drying cylinder (1) is penetrated and rotatably connected to a rotating drum (10), the outer wall of the rotating drum (10) is penetrated and rotatably connected to a rotating rod (13), the end of the rotating rod (13) away from the rotating drum (10) is fixedly connected to a dispersing sheet (12), and an evaporation component is arranged in the middle of the drying cylinder (1).
2. A sand screening machine for construction machinery according to claim 1, characterized in that: The evaporation component comprises a rotating shaft (17), the rotating shaft (17) passes through and is rotatably connected to the middle of the drying cylinder (1), and a spiral blade (18) is fixedly connected to the outer wall of the rotating shaft (17).
3. A sand screening machine for construction machinery according to claim 1, characterized in that: A fixing rod (11) penetrates through and is rotatably connected to the bottom of the rotating drum (10), and the top of the rotating drum (10) penetrates through the drying drum (1) and is fixedly connected to the output end of the second rotating motor (9).
4. A sand screening machine for construction machinery according to claim 3, characterized in that: The top of the fixed rod (11) is penetrated by and fixedly connected with evenly distributed bevel gears 2 (15); one end of the rotating rod (13) close to the fixed rod (11) is fixedly connected with bevel gear 1 (14); and the bevel gear 2 (15) is meshingly connected with the bevel gear 1 (14).
5. The sand screening machine for construction machinery according to claim 2, characterized in that: The outer wall of the rotating shaft (17) is fixedly connected with uniformly distributed evaporating elements (16), and one end of the evaporating element (16) away from the rotating shaft (17) is provided with uniformly distributed grooves (20).
6. A sand screening machine for construction machinery according to claim 1, characterized in that: An electric heating plate (19) passes through and is fixedly connected to the middle of the drying cylinder (1).
7. The sand screening machine for construction machinery according to claim 1, characterized in that: A vibration motor (6) is arranged at the bottom of the right side of the drying cylinder (1), a sieve plate (7) is arranged on the top of the vibration motor (6), and a sand collecting trough (5) is arranged at the bottom of the sieve plate (7).
8. The sand screening machine for construction machinery according to claim 1, characterized in that: A dust cover (8) is fixedly connected to the right side of the drying cylinder (1).