Construction gravel material screening equipment
By designing a flat -pushing device in the construction of sand and gravel material screening equipment, the accumulation problem of sand and gravel materials on the screening machine is solved, the efficient settlement and screening of sand and gravel materials are achieved, and the construction efficiency is improved.
Patent Information
- Application Number
- CN202420429120.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-03-06
AI Technical Summary
When using a screening machine to screen and process sand and gravel materials during construction, sand and gravel materials are prone to accumulate on the filter net on the screening machine and cannot be leveled, resulting in a smaller actual use area of the filter net, increasing the screening time and reducing efficiency.
A construction sand and gravel material screening equipment is designed, which uses a leveling and pushing device, including an electric telescopic rod, a round hole block, a round rod, a push plate and a servo motor. Through the synergy of these components, the sand and gravel material can be leveled and increased. The contact area with the filter screen improves screening efficiency.
Through the use of a flat -pushing device, it can effectively flatten the gravel material, increase the use area of the filter, reduce the screening duration, and improve the efficiency of the screening of gravel materials.
Smart Images
Figure CN222385255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction sand and gravel material screening equipment, in particular to a construction sand and gravel material screening equipment. Background Art
[0002] Screening equipment is one of the commonly used equipment in the construction process. It is usually a device used to separate fine sand and stone in sand and gravel materials to prevent the larger sand and stone in the sand and gravel materials from affecting the viscosity of concrete when making concrete later.
[0003] When using a screening machine to screen and process sand and gravel materials during construction, it is usually used in conjunction with a loader. When the loader transports the sand and gravel materials to the screening machine for screening, the sand and gravel materials are easily accumulated on the filter net on the screening machine and cannot be leveled, which results in a smaller actual use area of the filter net, increases the screening time, and reduces the efficiency of the screening process. Utility Model Content
[0004] The utility model proposes a construction sand and gravel material screening device to solve the problem that when a screening machine is used to screen and process sand and gravel materials during construction, the machine is usually used in conjunction with a feeding machine. When the feeding machine transports the sand and gravel materials to the screening machine for screening, the sand and gravel materials are easily piled up on the filter net on the screening machine and cannot be leveled, which results in a smaller actual use area of the filter net, increases the screening time, and reduces the efficiency of the screening process.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a construction sand and gravel material screening equipment, including a screening machine and a filter screen, a leveling and pushing device is arranged on the top side of the screening machine, and detachable devices are arranged between the two sides of the inner wall of the screening machine and the two sides of the filter screen respectively, and the leveling and pushing device comprises an electric telescopic rod, a rectangular groove is opened on the top side of the screening machine, one side of the inner wall of the rectangular groove is fixedly connected to one end of the electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a circular hole block, the outer surface of the circular hole block is slidably connected to the inner wall of the rectangular groove, the inner wall of the circular hole block is rotatably connected to a round rod, the outer surface of the round rod is fixedly connected to a tooth plate, and the outer surface of the round rod is fixedly connected to a push plate on the side away from the tooth plate, the outer surface sizes of the tooth plate and the push plate are adapted to the size of the inner wall of the screening machine, one end of the round rod is fixedly connected to a servo motor, and one side of the servo motor is fixedly connected to one side of the circular hole block.
[0006] The effect achieved by the above components is: by setting the leveling and pushing device, when using a screening machine to screen and process sand and gravel materials during construction, after using a feeder to transport the sand and gravel materials to the filter screen on the screening machine, the electric telescopic rod can be started to drive the round hole block to slide to one end to a certain position, and then the servo motor can be started to drive the round rod to rotate to a certain position in the inner wall of the round hole block, so that the push plate and the tooth plate rotate one circle and one side of the tooth plate is attached to the filter screen, and then the electric telescopic rod is started to drive the round hole block to move back and forth in the rectangular groove, so that the tooth plate can be driven to level the sand and gravel materials on the filter screen. The leveled sand and gravel will filter out the fine sand under the vibration of the screening machine, and the large particles of sand and gravel will be retained on the filter net. Then, after the round hole block moves away from one end of the discharge port, the servo motor is started to drive the round rod to rotate so that its push plate is attached to the filter net. When the electric telescopic rod drives the round hole block, the round rod and the push plate to move toward the discharge port, the push plate will push away the large particles of sand and gravel that are retained, so that the unloading effect can be achieved. Through the leveling operation of the leveling and pushing device, the sand and gravel materials transported up can be pushed away, increasing the contact area with the filter net, reducing the screening time, and improving the efficiency of the screening process.
[0007] Preferably, a protective cover is fixedly connected to one side of the circular hole block, and the size of the inner wall of the protective cover is adapted to the size of the outer surface of the servo motor.
[0008] The effect achieved by the above components is that the outer surface of the servo motor can be protected by providing a protective cover to prevent the servo motor from being damaged when the screening machine is hit during use.
[0009] Preferably, a reinforcement rod is fixedly connected to the outer surface of the output end of the electric telescopic rod, and one side of the reinforcement rod is fixedly connected to one side of the circular hole block.
[0010] The effect achieved by the above components is: by arranging the reinforcement rod, the connection area between the output end of the electric telescopic rod and the circular hole block can be increased, making the connection more firm and stable and less likely to break.
[0011] Preferably, both sides of one end of the circular hole block are fixedly connected to limiting blocks, both sides of the inner wall of the rectangular groove are provided with limiting grooves, and the inner wall of the limiting groove is slidably connected to the outer surface of the limiting block.
[0012] The effect achieved by the above components is: by setting the limiting groove and the limiting block, the two sides of one end of the circular hole block can be limited in the inner wall of the rectangular groove, so that it is not easy to shake when sliding back and forth.
[0013] Preferably, a bearing is fixedly connected to the outer surface of one end of the round rod, and the outer ring of the bearing is fixedly connected to the inner wall of the circular hole block.
[0014] The effect achieved by the above components is that by arranging the bearing, the wear between the outer surface of one end of the round rod and the inner wall of the round hole block can be reduced, thereby increasing the service life of the round rod.
[0015] Preferably, the detachable device includes a card block, card slots are opened on both sides of the filter screen, rectangular holes are opened on both sides of the inner wall of the screening machine, and round hole frames are fixedly connected on both sides of the screening machine. The inner wall of the round hole frame is slidably connected with a slide rod, one end of the slide rod is fixedly connected to one side of the card block, the size and shape of the inner walls of the rectangular hole and the card slot are adapted to the size and shape of the outer surface of the card block, one end of the slide rod is fixedly connected to a connecting rod, the outer surface of the slide rod is sleeved and connected with a spring, the two ends of the spring are respectively fixedly connected to the card block and one side of the round hole frame, and the size of the outer surfaces of the slide rod and the spring is adapted to the size of the inner wall of the rectangular hole.
[0016] The effect achieved by the above components is: by setting up a detachable device, when the filter needs to be replaced and maintained, the connecting rod can be manually held and pulled to one end, driving a number of slide bars to slide to one end in the inner wall of the round hole frame, so that its spring is compressed, and the card block is pulled out of the card slot and stored in the rectangular hole. At this time, the filter is pushed downward to be removed from the inner wall of the screening machine, making it easier to maintain and replace it.
[0017] Preferably, a handle block is fixedly connected to one side of the connecting rod, and the cross-section of the handle block is semicircular.
[0018] The effect achieved by the above components is that by providing the handle block, the contact area on one side of the connecting rod can be increased, making it easier to manually hold and pull it.
[0019] Preferably, a plurality of magnet blocks are fixedly connected to one side of the card block, the inner wall of the card slot is made of iron material, and one side of the magnet block is magnetically attracted to one side of the inner wall of the card slot.
[0020] The effect achieved by the above components is that by arranging the magnet block, after the card block is inserted into the card slot, the magnet block can fix it for a second time, so that it is not easy to slide out of the card slot.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by arranging the leveling and pushing device, when the screening machine is used to screen and process the sand and gravel materials during the construction process, after the sand and gravel materials are transported to the filter screen on the screening machine by the feeder, the electric telescopic rod can be started to drive the round hole block to slide to a certain position at one end, and then the servo motor can be started to drive the round rod to rotate to a certain position in the inner wall of the round hole block, so that the push plate and the tooth plate are attached to the filter screen after one circle of rotation, and then the electric telescopic rod is started to drive the round hole block to move back and forth in the rectangular groove, so that the tooth plate can be driven to level the sand and gravel materials on the filter screen. The leveled sand and gravel will filter out the fine sand under the vibration of the screening machine, and the large particles of sand and gravel will be retained on the filter net. Then, after the round hole block moves away from one end of the discharge port, the servo motor is started to drive the round rod to rotate so that its push plate is attached to the filter net. When the electric telescopic rod drives the round hole block, the round rod and the push plate to move toward the discharge port, the push plate will push away the large particles of sand and gravel that are retained, so that the unloading effect can be achieved. Through the leveling operation of the leveling and pushing device, the sand and gravel materials transported up can be pushed away, increasing the contact area with the filter net, reducing the screening time, and improving the efficiency of the screening process. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the screening machine of the utility model;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of a round rod of the utility model;
[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the push plate of the utility model;
[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the filter screen of the utility model;
[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the circular hole frame of the utility model;
[0028] Figure 6 for Figure 5 Enlarged structural diagram at A in the middle.
[0029] Legend: 1. Screening machine; 2. Leveling and pushing device; 3. Removable device; 4. Filter; 21. Rectangular slot; 22. Electric telescopic rod; 23. Round hole block; 24. Round rod; 25. Tooth plate; 26. Push plate; 27. Servo motor; 28. Protective cover; 29. Reinforcement rod; 210. Limit block; 211. Limit slot; 212. Bearing; 31. Slot; 32. Rectangular hole; 33. Round hole rack; 34. Sliding rod; 35. Block; 36. Spring; 37. Connecting rod; 38. Handle block; 39. Magnet block. DETAILED DESCRIPTION
[0030] Embodiment 1, as Figure 1-6 As shown, a construction sand and gravel material screening equipment comprises a screening machine 1 and a filter screen 4, a leveling and pushing device 2 is arranged on one side of the top of the screening machine 1, and detachable devices 3 are arranged between the two sides of the inner wall of the screening machine 1 and the two sides of the filter screen 4 respectively, the leveling and pushing device 2 comprises an electric telescopic rod 22, a rectangular groove 21 is opened on one side of the top of the screening machine 1, one side of the inner wall of the rectangular groove 21 is fixedly connected to one end of the electric telescopic rod 22, and a circular hole block 23 is fixedly connected to the output end of the electric telescopic rod 22, the outer surface of the circular hole block 23 is slidably connected to the inner wall of the rectangular groove 21, and a round rod 24 is rotatably connected to the inner wall of the circular hole block 23, and a tooth plate 25 is fixedly connected to the outer surface of the round rod 24, and a push plate 26 is fixedly connected to the side of the outer surface of the round rod 24 away from the tooth plate 25, and the outer surface sizes of the tooth plate 25 and the push plate 26 are adapted to the size of the inner wall of the screening machine 1, and a servo motor 27 is fixedly connected to one end of the round rod 24, and one side of the servo motor 27 is fixedly connected to one side of the circular hole block 23. During the process of using the screening machine 1 to screen and process sand and gravel materials in the construction process, after using the feeder to transport the sand and gravel materials to the filter screen 4 on the screening machine 1, the electric telescopic rod 22 can be started to drive the round hole block 23 to slide to a certain position at one end, and then the servo motor 27 can be started to drive the round rod 24 to rotate to a certain position in the inner wall of the round hole block 23, so that the push plate 26 and the tooth plate 25 are attached to the filter screen 4 after one circle of rotation, and then the electric telescopic rod 22 is started to drive the round hole block 23 to move back and forth in the rectangular groove 21, so that the tooth plate 25 can be driven to level the sand and gravel materials on the filter screen 4, and the leveled sand and gravel will Under the vibration of the screening machine 1, fine sand is filtered out, and large particles of sand and gravel will be retained on the filter screen 4. Then, after the circular hole block 23 is moved away from one end of the discharge port, the servo motor 27 is started to drive the round rod 24 to rotate so that its push plate 26 is attached to the filter screen 4. When the electric telescopic rod 22 drives the circular hole block 23, the round rod 24 and the push plate 26 to move toward the discharge port, the push plate 26 will push away the large particles of sand and gravel that are retained, so that the material discharge effect can be achieved. Through the leveling operation of the leveling and pushing device 2, the sand and gravel materials transported up can be pushed away, the contact area with the filter screen 4 is increased, the screening time is reduced, and the efficiency of the screening process is improved.
[0031] Reference Figure 1-6As shown, the present embodiment discloses that a protective cover 28 is fixedly connected to one side of the circular hole block 23, and the size of the inner wall of the protective cover 28 is adapted to the size of the outer surface of the servo motor 27. By providing the protective cover 28, the outer surface of the servo motor 27 can be protected and covered to prevent the servo motor 27 from being damaged when the screening machine 1 is hit during use. A reinforcing rod 29 is fixedly connected to the outer surface of the output end of the electric telescopic rod 22, and one side of the reinforcing rod 29 is fixedly connected to one side of the circular hole block 23. By providing the reinforcing rod 29, the connection area between the output end of the electric telescopic rod 22 and the circular hole block 23 can be increased, so that the connection is more firm and stable and not easy to break.
[0032] Reference Figure 1-6 As shown, the present embodiment discloses that both sides of one end of the circular hole block 23 are fixedly connected to the limiting blocks 210, and both sides of the inner wall of the rectangular groove 21 are provided with limiting grooves 211, and the inner wall of the limiting groove 211 is slidably connected to the outer surface of the limiting block 210. By providing the limiting grooves 211 and the limiting blocks 210, both sides of one end of the circular hole block 23 can be limited in the inner wall of the rectangular groove 21, so that it is not easy to shake when sliding back and forth. The outer surface of one end of the round rod 24 is fixedly connected with a bearing 212, and the outer ring of the bearing 212 is fixedly connected to the inner wall of the circular hole block 23. By providing the bearing 212, the wear between the outer surface of one end of the circular rod 24 and the inner wall of the circular hole block 23 can be reduced, and the service life of the circular rod 24 can be improved.
[0033] Reference Figure 1-6 As shown, the present embodiment discloses that the detachable device 3 includes a card block 35, card slots 31 are provided on both sides of the filter screen 4, rectangular holes 32 are provided on both sides of the inner wall of the screening machine 1, and round hole frames 33 are fixedly connected on both sides of the screening machine 1. The inner wall of the round hole frame 33 is slidably connected with a slide rod 34, and one end of the slide rod 34 is fixedly connected to one side of the card block 35. The size and shape of the inner walls of the rectangular hole 32 and the card slot 31 are adapted to the size and shape of the outer surface of the card block 35. One end of the slide rod 34 is fixedly connected to a connecting rod 37, and a spring 36 is sleeved and connected to the outer surface of the slide rod 34. The two ends of the spring 36 are respectively fixedly connected to the card block 35 and one side of the round hole frame 33, and the size of the outer surfaces of the slide rod 34 and the spring 36 are adapted to the size of the inner wall of the rectangular hole 32. When the filter screen 4 needs to be replaced and maintained, the connecting rod 37 can be manually held and pulled toward one end, driving a plurality of slide bars 34 to slide toward one end in the inner wall of the circular hole frame 33, so that the spring 36 is compressed, and the block 35 is pulled out of the slot 31 and accommodated in the rectangular hole 32. At this time, the filter screen 4 can be pushed downward to be removed from the inner wall of the screening machine 1, so as to facilitate its maintenance and replacement.
[0034] Reference Figure 1-6As shown, the present embodiment discloses that a handle block 38 is fixedly connected to one side of the connecting rod 37, and the cross section of the handle block 38 is in the shape of a semicircular arc. By providing the handle block 38, the contact area of one side of the connecting rod 37 can be increased, so that it is convenient to manually hold and pull it. A plurality of magnet blocks 39 are fixedly connected to one side of the card block 35, and the inner wall of the card slot 31 is made of iron material. One side of the magnet block 39 is magnetically attracted to one side of the inner wall of the card slot 31. By providing the magnet block 39, after the card block 35 is inserted into the card slot 31, the magnet block 39 can fix it for a second time, so that it is not easy to slide out of the card slot 31.
[0035] Working principle: during the construction process, the screening machine 1 is used to screen and process the sand and gravel materials. After the feeding machine is used to transport the sand and gravel materials to the filter screen 4 on the screening machine 1, the electric telescopic rod 22 can be started to drive the circular hole block 23 to slide to a certain position at one end. After the servo motor 27 is started to drive the round rod 24 and the bearing 212 to rotate to a certain position in the inner wall of the circular hole block 23, the push plate 26 and the tooth plate 25 are attached to the filter screen 4 on one side of the tooth plate 25 after rotating one circle. Then, the electric telescopic rod 22 is started to drive the circular hole block 23 and the limit block 210 to move back and forth in the rectangular groove 21 and the limit groove 211 respectively, so that the tooth plate 25 can be driven to filter the sand and gravel on the filter screen 4. The material is leveled and the leveled sand and gravel will filter out the fine sand under the vibration of the screening machine 1, and the large particles of sand and gravel will be retained on the filter screen 4. Then, after the circular hole block 23 moves away from one end of the discharge port, the servo motor 27 is started to drive the round rod 24 to rotate so that its push plate 26 is attached to the filter screen 4. When the electric telescopic rod 22 drives the circular hole block 23, the round rod 24 and the push plate 26 to move toward the discharge port, the push plate 26 will push away the large particles of sand and gravel that are retained, so that the material unloading effect can be achieved. Through the leveling operation of the leveling and pushing device 2, the sand and gravel materials transported up can be pushed away, the contact area with the filter screen 4 is increased, the screening time is reduced, and the efficiency of the screening process is improved.
[0036] When the filter screen 4 needs to be replaced and maintained, the handle block 38 can be manually held to pull the connecting rod 37 to one end, driving a plurality of slide bars 34 to slide to one end in the inner wall of the circular hole frame 33, so that the spring 36 is compressed, and the card block 35 and the magnet block 39 are pulled out of the card slot 31 and stored in the rectangular hole 32. At this time, the filter screen 4 can be pushed downward to be removed from the inner wall of the screening machine 1, so as to facilitate its maintenance and replacement.
Claims
1. A construction sand and gravel material screening device, comprising a screening machine (1) and a filter screen (4), characterized in that: A leveling and pushing device (2) is provided on one side of the top of the screening machine (1), and detachable devices (3) are provided between the two sides of the inner wall of the screening machine (1) and the two sides of the filter screen (4), respectively. The leveling and pushing device (2) comprises an electric telescopic rod (22), and a rectangular groove (21) is provided on one side of the top of the screening machine (1), and one side of the inner wall of the rectangular groove (21) is fixedly connected to one end of the electric telescopic rod (22), and a circular hole block (23) is fixedly connected to the output end of the electric telescopic rod (22), and the outer surface of the circular hole block (23) is connected to the rectangular groove (21). The inner wall of the groove (21) is slidably connected, the inner wall of the circular hole block (23) is rotatably connected with a round rod (24), the outer surface of the round rod (24) is fixedly connected with a tooth plate (25), and the outer surface of the round rod (24) away from the tooth plate (25) is fixedly connected with a push plate (26), the outer surface size of the tooth plate (25) and the push plate (26) are both adapted to the size of the inner wall of the screening machine (1), one end of the round rod (24) is fixedly connected with a servo motor (27), and one side of the servo motor (27) is fixedly connected to one side of the circular hole block (23).
2. The construction sand and gravel material screening equipment according to claim 1 is characterized in that: A protective cover (28) is fixedly connected to one side of the circular hole block (23), and the size of the inner wall of the protective cover (28) is adapted to the size of the outer surface of the servo motor (27).
3. The construction sand and gravel material screening equipment according to claim 1 is characterized in that: A reinforcing rod (29) is fixedly connected to the outer surface of the output end of the electric telescopic rod (22), and one side of the reinforcing rod (29) is fixedly connected to one side of the circular hole block (23).
4. The construction sand and gravel material screening equipment according to claim 1 is characterized in that: Both sides of one end of the circular hole block (23) are fixedly connected to the limiting block (210), and both sides of the inner wall of the rectangular groove (21) are provided with limiting grooves (211), and the inner wall of the limiting groove (211) is slidably connected to the outer surface of the limiting block (210).
5. The construction sand and gravel material screening equipment according to claim 1 is characterized by: A bearing (212) is fixedly connected to the outer surface of one end of the round rod (24), and the outer ring of the bearing (212) is fixedly connected to the inner wall of the circular hole block (23).
6. The construction sand and gravel material screening equipment according to claim 1 is characterized by: The detachable device (3) comprises a block (35), a card slot (31) is provided on both sides of the filter screen (4), a rectangular hole (32) is provided on both sides of the inner wall of the screening machine (1), a round hole frame (33) is fixedly connected to both sides of the screening machine (1), a sliding rod (34) is slidably connected to the inner wall of the round hole frame (33), one end of the sliding rod (34) is fixedly connected to one side of the block (35), and the rectangular hole (32) and the card slot (31) are fixedly connected to each other. The size and shape of the inner wall of the rectangular hole (31) are compatible with the size and shape of the outer surface of the block (35); one end of the sliding rod (34) is fixedly connected to a connecting rod (37); the outer surface of the sliding rod (34) is sleeved with a spring (36); the two ends of the spring (36) are respectively fixedly connected to the block (35) and one side of the round hole frame (33); the size of the outer surface of the sliding rod (34) and the spring (36) are compatible with the size of the inner wall of the rectangular hole (32).
7. The construction sand and gravel material screening equipment according to claim 6 is characterized by: A handle block (38) is fixedly connected to one side of the connecting rod (37), and the cross section of the handle block (38) is in the shape of a semicircular arc.
8. The construction sand and gravel material screening equipment according to claim 6 is characterized by: A plurality of magnet blocks (39) are fixedly connected to one side of the clamping block (35); the inner wall of the clamping slot (31) is made of iron; and one side of the magnet block (39) is magnetically attracted to one side of the inner wall of the clamping slot (31).