CN216397075U - Raw materials sieving mechanism suitable for concrete inspection usefulness - Google Patents
Raw materials sieving mechanism suitable for concrete inspection usefulness Download PDFInfo
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- CN216397075U CN216397075U CN202123104695.2U CN202123104695U CN216397075U CN 216397075 U CN216397075 U CN 216397075U CN 202123104695 U CN202123104695 U CN 202123104695U CN 216397075 U CN216397075 U CN 216397075U
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Abstract
The utility model discloses a raw material screening device suitable for concrete detection, which belongs to the technical field of concrete detection and comprises a screening box, wherein the upper surface of the screening box is provided with a feed hopper, a guide frame in the shape of an inverted frustum pyramid is installed in the screening box, a scattering mechanism for scattering the entering raw materials is arranged right above the guide frame, a supporting sliding mechanism is arranged right below the guide frame, a frame with openings on the upper surface and the lower surface is arranged in the supporting sliding mechanism, a screen is fixedly installed at the opening on the lower surface of the frame, front and back moving mechanisms for driving the screen to move front and back are arranged on two sides of the frame, a striking mechanism for striking the screen is arranged on the lower surface of the screen, the scattering mechanism is arranged for scattering the entering raw materials to prevent the raw materials from being accumulated and falling unevenly, the front and back moving mechanism is arranged to enable the screen to move front and back and vibrate up and down simultaneously, avoid the raw materials that meet the requirements from not screening completely, cause the raw materials to be wasted.
Description
Technical Field
The utility model relates to the technical field of concrete detection, in particular to a raw material screening device suitable for concrete detection.
Background
Commercial concrete refers to concrete that is used for commercial purposes, such as being sold or purchased. Commercial concrete is mostly used in the existing building construction.
The concrete is cement concrete, also called common concrete, which is prepared by using cement as cementing material and sand and stone as aggregate, and mixing with water according to a certain proportion, and then stirring, forming and curing.
The existing raw material sieving device for concrete detection cannot perform better sieving on concrete raw materials, so that the raw materials meeting the requirements are not completely sieved, and the condition of raw material detection distortion is caused.
SUMMERY OF THE UTILITY MODEL
The raw material screening device for concrete detection provided by the utility model solves the problem that the existing raw material screening device for concrete detection cannot better screen concrete raw materials, so that the raw materials meeting the requirements are not completely screened, and the raw material detection is distorted.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a raw material screening device suitable for concrete detection comprises a screening box, wherein the upper surface of the screening box is provided with a feed hopper, a guide frame in the shape of an inverted frustum pyramid is welded and installed in the screening box, a scattering mechanism for scattering the entering raw materials is arranged right above the guide frame, a supporting sliding mechanism is arranged right below the material guiding frame, a frame with an upper surface and a lower surface which are both open is arranged in the supporting sliding mechanism, a screen is fixedly arranged at an opening on the lower surface of the frame, a front-back movement mechanism for driving the screen to move back and forth is arranged at two sides of the frame, the lower surface of the screen is provided with a beating mechanism for beating the screen, the bottom of the screening box is provided with a material taking box, the front of the screening box is provided with a drawing channel at the position opposite to the material taking box, and the front of the screening box is hinged with a sliding door opposite to the frame.
Adopt above-mentioned scheme, break up the mechanism through the setting to be used for breaking up the raw materials that get into, prevent piling up of raw materials, the inhomogeneous of whereabouts, beat the mechanism through setting up the cooperation of seesaw and beat and order about the screen cloth vibrations from top to bottom in the time of back and forth motion, so that to the more abundant screening of raw materials, avoid the raw materials that meet the requirements not to screen completely, cause the condition of raw materials detection distortion.
As a preferable scheme of the present invention, the back-and-forth movement mechanism includes two rotation shafts rotatably installed at left and right sides of the screening box, a motor fixedly installed at a right side surface of the screening box and having an output shaft connected to an end of the right rotation shaft, a half gear fixedly installed on both of the two rotation shafts, a U-shaped seat provided outside the half gear and having racks engaged with teeth of the half gear installed on upper and lower inner walls thereof, and a telescopic unit provided on the U-shaped seat and connected to the frame through the telescopic unit.
Adopt above-mentioned scheme, through setting up motor, semi-gear and U type seat, under the motor drives semi-gear pivoted effect, utilize semi-gear and U type seat mesh mutually, semi-gear rotates and orders about U type seat seesaw to make the screen cloth carry out vibrations sieve around to the raw materials, in order to sieve the raw materials more fully.
In the above scheme, the motor is electrically connected with the external power supply.
As a preferable scheme of the utility model, the supporting sliding mechanism comprises four L-shaped plates welded and installed on the front and rear inner walls of the screening box, the horizontal parts of the four L-shaped plates are attached to the lower surface of the frame, the upper surface of each L-shaped plate is eccentrically and rotatably provided with a disc, and the lower surface of the disc is attached to the upper surface of the frame.
Adopt above-mentioned scheme, through setting up L template and disc, utilize the horizontal plane of L template to place the frame, play the effect that supports the frame, utilize the eccentric rotation of L template installation disc, rotate disc adjusting position for spacing to the frame top, prevent that the frame breaks away from the L template when vibrations from top to bottom, improve the stability in the frame use.
As a preferable scheme of the utility model, the striking mechanism comprises a crank connecting rod rotatably mounted on the inner wall of the screening box, and two fixing rods fixedly mounted on the rear inner wall of the screening box, sleeves are respectively welded at the end parts of the two fixing rods, a striking block is connected in the sleeves in a sliding manner, the lower surface of the striking block is hinged with a connecting rod, the connecting rod is hinged with a U-shaped part of the crank connecting rod, belt pulleys II are respectively fixedly mounted at the right end of the crank connecting rod and the end part of the right rotating shaft, and the two belt pulleys are in transmission connection through the belt pulleys II.
Adopt above-mentioned scheme, through setting up the dead lever, the sleeve, hit the piece, the connecting rod, the crank connecting rod, two belt pulleys and two belts, it supports fixed sleeve to set up the dead lever, utilize the pivot pivoted simultaneously to drive the crank connecting rod rotation through two belt pulleys and two belts, make the U type position of crank connecting rod promote the connecting rod upward movement, the connecting rod promotes to hit the piece up-and-down motion in the sleeve, in order to be used for hitting the mesh of hitting the screen cloth and making the mesh vibrations from top to bottom, further carry out better sieving to the raw materials, avoid because sieve incompletely lead to the raw materials to detect the distortion.
As a preferable scheme of the utility model, the scattering mechanism comprises a stirring rod rotatably arranged on the inner wall of the screening box, a plurality of stirring blades are welded on the stirring rod, belt pulleys I are fixedly arranged at two ends of the stirring rod and at the end parts of the two rotating shafts, and the two belt pulleys I at the same side are in transmission connection through a belt.
Adopt above-mentioned scheme, through setting up puddler, stirring leaf, belt pulley one and belt one, utilize the pivot to drive the puddler through belt pulley one and belt and rotate, the puddler drives the stirring leaf and rotates to be used for breaking up the effect to the raw materials that gets into, prevent that raw materials unloading in-process from causing to pile up the inhomogeneous situation of unloading.
As a preferable scheme of the utility model, the telescopic unit comprises a spring welded on the side surface of the U-shaped seat, the other end of the spring is welded on the frame, a telescopic rod is sleeved in the spring, and two ends of the telescopic rod are respectively fixedly installed on the frame and the U-shaped seat.
Adopt above-mentioned scheme, through setting up spring and telescopic link, utilize spring and telescopic link to play the supporting role to frame and U type seat, utilize the elasticity of spring to order about U type seat to middle shrink and break away from the semi-gear, be convenient for dismantle the installation to the frame.
In the utility model:
according to the raw material screening device suitable for concrete detection, the scattering mechanism is arranged to scatter the entering raw materials, so that the raw materials are prevented from being accumulated and falling unevenly, the front-back movement mechanism and the striking mechanism are arranged to be matched to drive the screen to vibrate up and down in the front-back movement process, so that the raw materials are screened more fully, and the raw materials meeting the requirements are prevented from being screened incompletely, so that the raw material detection distortion is avoided;
this raw materials sieving mechanism suitable for concrete inspection usefulness utilizes half gear and U type seat to mesh mutually through setting up motor, half gear and U type seat under motor drive half gear pivoted effect, and half gear rotates and orders about U type seat seesaw to make the screen cloth carry out vibrations sieve around to the raw materials, so that sieve the raw materials more fully.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic top view of the frame of the present invention;
FIG. 4 is a schematic structural view of a crank link of the present invention;
FIG. 5 is a schematic structural view of a U-shaped seat of the present invention.
In the figure: 1. a screening box; 2. a feed hopper; 3. a motor; 4. a stirring rod; 5. stirring blades; 6. a material guiding frame; 7. a frame; 8. a screen 9 and a rotating shaft; 10. a half gear; 11. a U-shaped seat; 12. a spring; 13. a telescopic rod; 14. a crank connecting rod; 15. a sleeve; 16. fixing the rod; 17. striking a block; 18. an L-shaped plate; 19. a connecting rod; 20. a disc; 21. a material taking box; 22. sliding the door; 23. a first belt pulley; 24. a first belt; 25. a second belt pulley; 26. and a second belt.
Detailed Description
Examples
Referring to fig. 1-5, the utility model provides a raw material screening device suitable for concrete detection, which comprises a screening box 1, wherein a feed hopper 2 is arranged on the upper surface of the screening box 1, a guide frame 6 in the shape of an inverted frustum of a pyramid is welded and installed in the screening box 1, a scattering mechanism for scattering the entering raw materials is arranged right above the guide frame 6, the scattering mechanism comprises a stirring rod 4 rotatably installed on the inner wall of the screening box 1, a plurality of stirring blades 5 are welded and installed on the stirring rod 4, belt pulleys 23 are fixedly installed at both ends of the stirring rod 4 and the end parts of two rotating shafts 9, the two belt pulleys 23 on the same side are in transmission connection through a belt pulley 24, the stirring rod 4, the stirring blades 5, the belt pulleys 23 and the belt pulleys 24 are arranged, the stirring rod 4 is driven to rotate by the rotating shafts 9 through the belt pulleys 23 and the belt pulleys 24, the stirring rod 4 drives the stirring blades 5 to rotate, the device has the advantages that the device has the function of scattering the entering raw materials, and the condition of uneven stacking and blanking in the raw material blanking process is prevented;
a supporting sliding mechanism is arranged right below the material guide frame 6, the supporting sliding mechanism comprises four L-shaped plates 18 welded and installed on the front inner wall and the rear inner wall of the screening box 1, the horizontal parts of the four L-shaped plates 18 are attached to the lower surface of the frame 7, a disc 20 is eccentrically and rotatably installed on the upper surface of each L-shaped plate 18, the lower surface of the disc 20 is attached to the upper surface of the frame 7, the frame 7 is placed on the horizontal plane of the L-shaped plates 18 by arranging the L-shaped plates 18 and the disc 20, the frame 7 is supported, the disc 20 is eccentrically and rotatably installed by using the L-shaped plates 18, the position of the disc 20 is adjusted, the disc is used for limiting the upper part of the frame 7, the frame 7 is prevented from being separated from the L-shaped plates 18 when vibrating up and down, and the stability of the frame 7 in the using process is improved;
a frame 7 with an upper surface and a lower surface which are both provided with openings is arranged in the supporting sliding mechanism, a screen 8 is fixedly arranged at the opening of the lower surface of the frame 7, a back-and-forth movement mechanism for driving the screen 8 to move back and forth is arranged at two sides of the frame 7, the back-and-forth movement mechanism comprises two rotating shafts 9 which are rotatably arranged at the left side and the right side of the screening box 1, a motor 3 which is fixedly arranged at the right side surface of the screening box 1 and the output shaft of which is connected with the end part of the right rotating shaft 9, a half gear 10 is fixedly arranged on the two rotating shafts 9, a U-shaped seat 11 is arranged outside the half gear 10, racks which are meshed with teeth of the half gear 10 are arranged on the upper inner wall and the lower inner wall of the U-shaped seat 11, under the action of driving the half gear 10 to rotate by the motor 3, the half gear 10 is meshed with the U-shaped seat 11, and the rotation of the half gear 10 drives the U-shaped seat 11 to move back and forth, so that the screen 8 can screen the raw materials in a front-back vibrating way, so that the raw materials can be screened more fully;
the U-shaped seat 11 is provided with a telescopic unit and is connected with the frame 7 through the telescopic unit, the telescopic unit comprises a spring 12 which is welded on the side surface of the U-shaped seat 11, the other end of the spring 12 is welded on the frame 7, a telescopic rod 13 is sleeved in the spring 12, two ends of the telescopic rod 13 are respectively fixedly arranged on the frame 7 and the U-shaped seat 11, the spring 12 and the telescopic rod 13 are arranged to support the frame 7 and the U-shaped seat 11 through the spring 12 and the telescopic rod 13, and the U-shaped seat 11 is driven to shrink towards the middle to separate from the half gear 10 through the elasticity of the spring 12, so that the frame 7 is convenient to disassemble and install;
the lower surface of the screen 8 is provided with a hitting mechanism for hitting the screen 8, the hitting mechanism comprises a crank connecting rod 14 rotatably mounted on the inner wall of the screening box 1, two fixing rods 16 fixedly mounted on the rear inner wall of the screening box 1, sleeves 15 are welded at the end parts of the two fixing rods 16, a hitting block 17 is connected in the sleeves 15 in a sliding mode, a connecting rod 19 is hinged at the lower surface of the hitting block 17, the connecting rod 19 is hinged with a U-shaped part of the crank connecting rod 14, belt pulleys two 25 are fixedly mounted at the right end of the crank connecting rod 14 and the end part of the right rotating shaft 9, the two belt pulleys two 25 are in transmission connection through a belt two 26, the fixing rods 16, the sleeves 15, the hitting block 17, the connecting rod 19, the crank connecting rod 14, the belt pulleys two 25 and the belt two 26 are arranged, the fixing rods 16 are arranged to support the fixing sleeves 15, and the crank connecting rod 14 is driven to rotate through the belt two 25 and the belt two 26 while the rotating shaft 9 rotates, the U-shaped part of the crank connecting rod 14 pushes the connecting rod 19 to move upwards, the connecting rod 19 pushes the striking block 17 to move up and down in the sleeve 15, so that the purpose of striking the screen 8 to enable the screen 8 to vibrate up and down is achieved, raw materials are further screened better, and waste of the raw materials due to incomplete screening is avoided;
the workbin 21 of getting has been placed to the bottom of screening case 1, screening case 1 openly just has seted up the pull passageway to the position department of getting workbin 21, screening case 1 openly just has articulated the sliding door 22 to frame 7 department, break up the mechanism through the setting, be used for breaking up the raw materials that get into, prevent piling up of raw materials, the inhomogeneous of whereabouts, beat the mechanism through setting up the seesaw cooperation and order about screen cloth 8 vibrations from top to bottom in the back motion, so that to the more abundant screening of raw materials, avoid the raw materials that meet the requirements not to screen completely, cause the waste of raw materials.
The working principle is as follows: when the device is used, firstly, the motor 3 is started, then raw materials are poured into the feeding hopper 2, the motor 3 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the belt pulley I23 to rotate, the belt pulley I23 drives the stirring rod 4 to rotate through the belt I24, the stirring rod 4 rotates and drives the stirring blades 5 to rotate, so as to break up the entering raw materials and prevent the uneven stacking and blanking of the raw materials, the raw materials fall onto the screen 8 in the frame 7 through the lower material guiding frame 6, meanwhile, the rotating shaft 9 drives the half gear 10 on the right side to rotate, when the stirring rod 4 rotates, the stirring rod 4 rotates and drives the rotating shaft 9 on the left side to rotate through the belt I24 on the left side, then the rotating shaft 9 on the left side drives the half gear 10 to rotate, the two half gears 10 push the U-shaped seat 11 to move back and forth through the teeth on the U-shaped seat 11 in the rotating process, the U-shaped seat 11 drives the frame 7 to move back and forth through the telescopic rod 13 and spring 12, thereby the frame 7 moves back and forth to finish the purpose of vibrating and sieving the raw material front and back, meanwhile, the motor 3 drives the crank connecting rod 14 below to rotate through the belt pulley two 25, the U-shaped part drives the connecting rod 19 to move up and down in the rotation process of the crank connecting rod 14, the connecting rod 19 pushes the striking block to slide up and down in the sleeve 15, the effect of vibrating and sieving the screen 8 up and down is achieved, the purpose of vibrating and sieving the raw material front and back and up and down is finished, the incompleteness of the raw material in sieving is avoided, the waste of the raw material is prevented, after the raw material sieving is finished, the material taking box 21 below the sieving box 1 is pulled out, the sieved raw material is taken out, the pull door 22 on the front side of the sieving box 1 is pulled out, the disc 20 above the L-shaped plate 18 is rotated, the disc 20 is separated from the upper surface of the frame 7, the two U-shaped seats 11 are squeezed towards the middle, the U-shaped seats 11 drive the spring 12 and the telescopic rod 13 to shrink towards the middle, thereby disengaging the U-shaped seat 11 from the half-gear 10 and removing the frame 7.
Claims (6)
1. The raw material screening device suitable for concrete detection is characterized by comprising a screening box (1), wherein a feeding hopper (2) is arranged on the upper surface of the screening box (1), a guide frame (6) in the shape of an inverted frustum pyramid is welded in the screening box (1), a scattering mechanism for scattering entering raw materials is arranged right above the guide frame (6), a supporting sliding mechanism is arranged right below the guide frame (6), a frame (7) with an upper surface and a lower surface which are both open is arranged in the supporting sliding mechanism, a screen (8) is fixedly arranged at an opening of the lower surface of the frame (7), front and back movement mechanisms for driving the screen (8) to move front and back are arranged on two sides of the frame (7), a striking mechanism for striking the screen (8) is arranged on the lower surface of the screen (8), screening case (1) bottom has been placed and has been got workbin (21), screening case (1) openly has just seted up the pull passageway to the position department of getting workbin (21), screening case (1) openly just has articulated sliding door (22) to frame (7) department.
2. The raw material screening device suitable for concrete detection according to claim 1, wherein the forward and backward movement mechanism comprises two rotating shafts (9) rotatably installed at the left side and the right side of the screening box (1), a motor (3) fixedly installed at the right side surface of the screening box (1) and having an output shaft connected with the end portion of the right rotating shaft (9), two half gears (10) are fixedly installed on the two rotating shafts (9), a U-shaped seat (11) is arranged outside the half gears (10), racks meshed with teeth of the half gears (10) are installed on the upper inner wall and the lower inner wall of the U-shaped seat (11), and a telescopic unit is arranged on the U-shaped seat (11) and connected with the frame (7) through the telescopic unit.
3. The raw material screening device suitable for concrete detection according to claim 1, wherein the supporting sliding mechanism comprises four L-shaped plates (18) welded and installed on the front inner wall and the rear inner wall of the screening box (1), the horizontal parts of the four L-shaped plates (18) are attached to the lower surface of the frame (7), a disc (20) is eccentrically and rotatably installed on the upper surface of each L-shaped plate (18), and the lower surface of each disc (20) is attached to the upper surface of the frame (7).
4. The raw material screening device suitable for concrete detection according to claim 2, wherein the hitting mechanism comprises a crank connecting rod (14) rotatably mounted on the inner wall of the screening box (1), two fixing rods (16) fixedly mounted on the rear inner wall of the screening box (1), sleeves (15) are respectively welded to the ends of the fixing rods (16), hitting blocks (17) are slidably connected in the sleeves (15), connecting rods (19) are hinged to the lower surfaces of the hitting blocks (17), the connecting rods (19) are hinged to the U-shaped portions of the crank connecting rod (14), belt pulleys (25) are respectively fixedly mounted at the right end of the crank connecting rod (14) and the end of the right rotating shaft (9), and the belt pulleys (25) are in transmission connection through the belt pulleys (26).
5. The raw material screening device suitable for concrete detection according to claim 2, wherein the scattering mechanism comprises a stirring rod (4) rotatably mounted on the inner wall of the screening box (1), a plurality of stirring blades (5) are welded on the stirring rod (4), belt pulleys (23) are fixedly mounted at two ends of the stirring rod (4) and at the ends of the two rotating shafts (9), and the two belt pulleys (23) on the same side are in transmission connection through a belt (24).
6. The raw material screening device suitable for concrete detection according to claim 2, wherein the telescopic unit comprises a spring (12) welded on the side surface of the U-shaped seat (11), the other end of the spring (12) is welded on the frame (7), a telescopic rod (13) is sleeved in the spring (12), and two ends of the telescopic rod (13) are respectively fixedly installed on the frame (7) and the U-shaped seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123104695.2U CN216397075U (en) | 2021-12-12 | 2021-12-12 | Raw materials sieving mechanism suitable for concrete inspection usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123104695.2U CN216397075U (en) | 2021-12-12 | 2021-12-12 | Raw materials sieving mechanism suitable for concrete inspection usefulness |
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| Publication Number | Publication Date |
|---|---|
| CN216397075U true CN216397075U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123104695.2U Active CN216397075U (en) | 2021-12-12 | 2021-12-12 | Raw materials sieving mechanism suitable for concrete inspection usefulness |
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| CN (1) | CN216397075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007493A (en) * | 2023-08-15 | 2023-11-07 | 江苏东南工程咨询有限公司 | Road asphalt mixture waterproof performance detection device and detection method |
-
2021
- 2021-12-12 CN CN202123104695.2U patent/CN216397075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007493A (en) * | 2023-08-15 | 2023-11-07 | 江苏东南工程咨询有限公司 | Road asphalt mixture waterproof performance detection device and detection method |
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