A bridge concrete defect control device

Abstract

The present invention discloses a bridge concrete defect control device, which belongs to the field of concrete production technology, and includes a tank body, wherein a multi-specification screening assembly for screening aggregates of different screening particle sizes is installed inside the tank body; a feeding assembly for feeding aggregates to the filter screens of the corresponding particle sizes of the multi-specification screening assembly according to the aggregate screening particle sizes is installed on the tank body; and a replacement cover for quickly replacing each filter screen of the multi-specification screening assembly is rotatably installed on the side wall of the tank body. Through the above-mentioned method, the present invention aims at the defect of unreasonable aggregate grading of bridge concrete. After the aggregates are screened, the feeding assembly is rotated counterclockwise to the top of a group of straight holes without the filter screen installed, and the unqualified aggregates are discharged through the straight holes therein and then through the discharge piece, which is conducive to the accurate discharge of unqualified aggregates and the accurate screening and feeding of qualified products, so as to ensure that the particle sizes of various types of aggregates after screening meet the requirements.

Description

Technical Field

[0001] The invention relates to the technical field of concrete production, and in particular to a bridge concrete defect control device. Background Art

[0002] During the concrete preparation process, aggregates of various particle sizes need to be mixed into the concrete to serve as the skeleton of the concrete.

[0003] However, the existing concrete production process still has the following defects: the accuracy of aggregate particle size screening still needs to be further improved. If the aggregate particle size does not meet the requirements, it will cause unreasonable aggregate grading, affecting the use characteristics of concrete. In the prior art, when screening different aggregates, different screening equipment is often equipped, such as using two devices for screening gravel and screening sand, which increases the purchase cost.

[0004] Based on this, the present invention designs a bridge concrete defect control device to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a bridge concrete defect control device.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A bridge concrete defect control device comprises a tank body, wherein a multi-specification screening assembly for screening aggregates with different screening particle sizes is installed inside the tank body;

[0008] The multi-specification screening assembly comprises a circular plate, multiple groups of filter screens, a vibration assembly and a discharge piece; the circular plate is provided with multiple groups of straight holes, the centers of the multiple groups of straight holes are distributed on the same circle, and except for one group of straight holes, the other straight holes are embedded with filter screens with particle sizes increasing in a clockwise order, the lower end of the circular plate is connected to the vibration assembly, the vibration assembly is installed on the inner wall of the tank body, and the filter screen is connected to the discharge assembly; the discharge piece is fixedly installed at the bottom of the circular plate, and the discharge piece is connected to a group of straight holes without the filter screen installed; the side wall of the circular plate is fitted and slidably connected to the inner wall of the tank body;

[0009] The tank body is provided with a feeding assembly for feeding aggregate to a filter screen having a corresponding particle size of a multi-specification screening assembly according to the aggregate screening particle size;

[0010] A replacement cover for quickly replacing each filter screen of a multi-specification screening assembly is rotatably mounted on the side wall of the tank body;

[0011] The bottom of the tank body is fixedly connected with a discharge pipe for discharging the screened aggregate.

[0012] Furthermore, the filter screens are respectively the first filter screen, the second filter screen, the second filter screen and the fourth filter screen; the straight holes without filter screens installed, the first filter screen, the second filter screen, the second filter screen and the fourth filter screen are arranged in a counterclockwise order, and the filtering particle sizes of the first filter screen, the second filter screen, the second filter screen and the fourth filter screen decrease in sequence.

[0013] Furthermore, the vibration assembly includes a support block, a slide rod, a slide rod and a spring; a plurality of groups of slide rods are fixedly connected to the bottom of the circular plate, and springs are installed on the slide rods; a plurality of groups of support blocks corresponding to the slide rods are fixedly installed on the circumference of the inner wall of the tank body, and each slide rod is slidably connected to each support block, the spring is located between the circular plate and the support block, and a vibrator is fixedly installed on the bottom of the circular plate.

[0014] Furthermore, the discharge member includes a slag discharge pipe and a material collection cover; the material collection cover is fixedly installed on the bottom of the circular plate, the bottom of the material collection cover is fixedly connected with the slag discharge pipe, and the slag discharge pipe and the material collection cover are connected to the straight hole without the filter screen installed.

[0015] Furthermore, the replacement outer cover includes an annular plate, which is rotatably mounted on the outer wall of the tank body. The tank body is provided with a plurality of groups of second operating holes, which are respectively located on one side of each group of filter screens. The annular plate is provided with a first operating hole. When the first operating hole is rotated to one side of each group of filter screens, the first operating hole is connected and overlapped with the second operating hole on one side of the filter screen.

[0016] Furthermore, the material discharge assembly includes a rotating drive assembly, a movable material connection piece and a material discharge structure; the rotating drive assembly is connected to the material discharge structure, and the bottom of the material discharge structure is slidably connected with the movable material connection piece.

[0017] Furthermore, the material unloading structure includes a material receiving cover, a straight tube and a Z-shaped tube; the top of the tank body is fixedly connected to a top cover, the top of the top cover is fixedly connected to a material receiving cover, the lower end of the material receiving cover is fixedly connected to a straight tube, the straight tube is located inside the top cover, the lower end of the straight tube is rotatably connected to the Z-shaped tube, and the lower end of the Z-shaped tube is slidably connected to a movable material receiving piece.

[0018] Furthermore, the rotation drive assembly includes a drive motor, a first bevel gear, a second bevel gear and a transverse axis; the drive motor is fixedly mounted on the outer wall of the top cover, the output end of the drive motor passes through the top cover and is fixedly connected to the transverse axis, the other end of the transverse axis is fixedly connected to the second bevel gear, the second bevel gear is meshed with the first bevel gear, and the first bevel gear is fixedly mounted on the upper end of the Z-shaped tube.

[0019] Furthermore, the movable material connecting part includes a movable cover, which is slidably connected to the bottom of the Z-shaped tube; a first clamping ring is fixedly connected to the top inner wall of the movable cover, and a second clamping ring for limiting the first clamping ring from separating from the Z-shaped tube is fixedly connected to the bottom outer wall of the Z-shaped tube, the inner wall of the first clamping ring is fitted and slidably connected to the outer wall of the Z-shaped tube, and the outer diameter of the second clamping ring is larger than the inner diameter of the first clamping ring; the movable cover is in fit contact with the filter screen.

[0020] Beneficial Effects

[0021] The present invention feeds aggregate to the top of the filter screen of the multi-specification screening assembly with the corresponding particle size according to the aggregate screening particle size through the feeding component, starts the multi-specification screening assembly to screen the aggregate, and after screening, starts the feeding component to rotate counterclockwise to the top of a group of straight holes without the filter screen installed, and the aggregate that fails the screening passes through the straight holes here and is discharged through the discharge piece; the aggregate that passes the screening is discharged through the discharge pipe, and the filter screens of the multi-specification screening assembly can be quickly replaced by replacing the outer cover.

[0022] Aiming at the defect of unreasonable aggregate gradation of bridge concrete, the present invention designs a control device. After the aggregate is screened, the material discharge component rotates counterclockwise to above a group of straight holes without a filter screen installed, and the aggregate that fails the screening passes through the straight holes here and is discharged through the discharge piece, which is conducive to accurately discharging the unqualified aggregate and accurately screening and discharging the qualified products, ensuring that the particle sizes of various types of aggregates after screening meet the requirements, the accuracy of aggregate particle size screening is higher, and thus ensuring that the gradation of various types of aggregates is more reasonable, and ensuring the use characteristics of concrete; the present invention can screen different aggregates without the need to be equipped with different screening equipment, thereby reducing the purchase cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The main structure of the bridge concrete defect control device of the present invention is a three-dimensional Figure 1 ;

[0025] Figure 2 This is a front view of the structure of a bridge concrete defect control device of the present invention;

[0026] Figure 3 This is a left view of the structure of a bridge concrete defect control device of the present invention;

[0027] Figure 4 The main structure of the bridge concrete defect control device of the present invention is a three-dimensional Figure 2 ;

[0028] Figure 5 This is a right view of the structure of a bridge concrete defect control device of the present invention;

[0029] Figure 6 For along Figure 3 AA direction cross-sectional view;

[0030] Figure 7 For along Figure 3 BB direction cross-sectional view;

[0031] Figure 8 For along Figure 3 CC direction cross-sectional view;

[0032] Fig. 9 For along Figure 3 DD direction cross-sectional view.

[0033] The numbers in the figure represent:

[0034] 1. Tank body 2. Multi-specification screening assembly 21. Slag discharge pipe 22. First filter screen 23. Second filter screen 24. Second filter screen 25. Fourth filter screen 26. Round plate 27. Support block 28. Slide bar 29. Vibrator 210. Spring 211. Collecting cover 212. Straight hole 3. Replace outer cover 31. Ring plate 32. First operating hole 33. Second operating hole 4. Feeding assembly 41. Top cover 42. Feeding cover 43. Drive motor 44. First bevel gear 45. Z-shaped tube 46. Movable cover 47. Second bevel gear 48. Horizontal axis 49. Straight tube 5. Feeding pipe. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] The present invention will be further described below in conjunction with the embodiments.

[0037] Example 1

[0038] Please refer to the instruction manual Figure 1-9 , a bridge concrete defect control device, comprising a tank body 1, inside of which is installed a multi-specification screening assembly 2 for screening aggregates of different screening particle sizes;

[0039] The multi-specification screening assembly 2 includes a circular plate 26, multiple groups of filter screens, a vibration assembly and a discharge piece; the circular plate 26 is provided with multiple groups of straight holes 212, the centers of the multiple groups of straight holes 212 are distributed on the same circle, and except for one group of straight holes 212, the other straight holes 212 are embedded with filter screens with increasing particle sizes in a clockwise order, the lower end of the circular plate 26 is connected to the vibration assembly, the vibration assembly is installed on the inner wall of the tank body 1, and the filter screen is connected to the discharge assembly 4; the discharge piece is fixedly installed at the bottom of the circular plate 26, and the discharge piece is connected to a group of straight holes 212 without filter screens installed; the side wall of the circular plate 26 is fitted and slidably connected to the inner wall of the tank body 1;

[0040] The tank body 1 is provided with a feeding assembly 4 for feeding aggregates to the filter screens of the corresponding particle sizes of the multi-specification screening assembly 2 according to the screening particle sizes of the aggregates;

[0041] A replacement cover 3 for quickly replacing each filter screen of the multi-specification screening assembly 2 is rotatably mounted on the side wall of the tank body 1;

[0042] The bottom of the tank body 1 is fixedly connected with a discharge pipe 5 for discharging the screened aggregate;

[0043] The aggregate is fed to the filter screen of the corresponding particle size of the multi-specification screening component 2 by the feed component 4 according to the aggregate screening particle size, and the multi-specification screening component 2 is started to screen the aggregate. After screening, the feed component 4 is started to rotate counterclockwise to the top of a group of straight holes 212 where the filter screen is not installed, and the unqualified aggregate is discharged through the straight holes 212 here and then through the discharge piece; the qualified aggregate is discharged through the discharge pipe 5, and the filter screens of the multi-specification screening component 2 are quickly replaced by replacing the outer cover 3;

[0044] Aiming at the defect of unreasonable aggregate gradation of bridge concrete, the present invention designs a control device. After the aggregate is screened, the material discharge component 4 is rotated counterclockwise to above a group of straight holes 212 where no filter screen is installed, and the aggregate that fails the screening passes through the straight holes 212 here and is discharged through the discharge piece, which is conducive to accurately discharging the unqualified aggregate and accurately screening and discharging the qualified products, ensuring that the particle sizes of various types of aggregates after screening meet the requirements, and the accuracy of aggregate particle size screening is higher, thereby ensuring that the gradation of various types of aggregates is more reasonable and the use characteristics of concrete are guaranteed; the present invention can screen different aggregates without the need to equip different screening equipment, thereby reducing the purchase cost.

[0045] Example 2

[0046] Based on Example 1, please refer to the attached manual. Figure 1-9, the filter screens are respectively the first filter screen 22, the second filter screen 23, the second filter screen 24 and the fourth filter screen 25; the straight hole 212 without the filter screen installed, the first filter screen 22, the second filter screen 23, the second filter screen 24 and the fourth filter screen 25 are arranged in a counterclockwise order, and the filter particle sizes of the first filter screen 22, the second filter screen 23, the second filter screen 24 and the fourth filter screen 25 decrease in sequence;

[0047] The vibration assembly includes a support block 27, a slide bar 28, a slide bar 28 and a spring 210; a plurality of groups of slide bars 28 are fixedly connected to the bottom of the circular plate 26, and springs 210 are installed on the slide bars 28. A plurality of groups of support blocks 27 corresponding to the slide bars 28 are fixedly installed on the circumference of the inner wall of the tank body 1, and each slide bar 28 is slidably connected to each support block 27. The spring 210 is located between the circular plate 26 and the support block 27. A vibrator 29 is fixedly installed on the bottom of the circular plate 26.

[0048] The vibrator 29 generates a vibration effect, and the circular plate 26 drives the lower end of the material discharge assembly 4 to vibrate up and down to screen the aggregate, and the spring 210 further increases the elastic swing effect of the circular plate 26;

[0049] The material discharging member includes a slag discharge pipe 21 and a material collecting cover 211; the material collecting cover 211 is fixedly installed at the bottom of the circular plate 26, the bottom of the material collecting cover 211 is fixedly connected with the slag discharge pipe 21, and the slag discharge pipe 21 and the material collecting cover 211 are connected with the straight hole 212 without the filter screen installed;

[0050] Aggregates that fail the screening process enter the aggregate cover 211 through the straight hole 212 and are then discharged through the slag discharge pipe 21;

[0051] The replacement cover 3 includes an annular plate 31, which is rotatably mounted on the outer wall of the tank body 1. The tank body 1 is provided with a plurality of groups of second operating holes 33, which are respectively located on one side of each group of filter screens. The annular plate 31 is provided with a first operating hole 32. When the first operating hole 32 is rotated to one side of each group of filter screens, the first operating hole 32 is communicated and overlapped with the second operating hole 33 on one side of the filter screen.

[0052] When the filter screen needs to be replaced, the annular plate 31 is rotated so that the first operating hole 32 is connected and overlapped with the second operating hole 33 on one side of the filter screen, and then the filter screen can be removed and replaced; after the replacement is completed, the annular plate 31 is rotated so that the first operating hole 32 is rotated to the side of the straight hole 212 where the filter screen is not installed, thereby achieving the blocking of the first operating hole 32 and the second operating hole 33 to avoid leakage of aggregate during the screening process.

[0053] Example 3

[0054] Based on Example 2, please refer to the attached manual. Figure 1-9The material discharging assembly 4 includes a rotating drive assembly, a movable material receiving member and a material discharging structure; the rotating drive assembly is connected to the material discharging structure, and the bottom of the material discharging structure is slidably connected with the movable material receiving member;

[0055] The material discharge structure includes a material receiving cover 42, a straight pipe 49 and a Z-shaped pipe 45; the top of the tank body 1 is fixedly connected with a top cover 41, the top of the top cover 41 is fixedly connected with a material receiving cover 42, the lower end of the material receiving cover 42 is fixedly connected with a straight pipe 49, the straight pipe 49 is located inside the top cover 41, the lower end of the straight pipe 49 is rotatably connected with the Z-shaped pipe 45, and the lower end of the Z-shaped pipe 45 is slidably connected with a movable material receiving member;

[0056] The rotation drive assembly includes a drive motor 43, a first bevel gear 44, a second bevel gear 47 and a transverse shaft 48; the drive motor 43 is fixedly mounted on the outer wall of the top cover 41, the output end of the drive motor 43 passes through the top cover 41 and is fixedly connected to the transverse shaft 48, the other end of the transverse shaft 48 is fixedly connected to the second bevel gear 47, the second bevel gear 47 is meshed with the first bevel gear 44, and the first bevel gear 44 is fixedly mounted on the upper end of the Z-shaped tube 45;

[0057] The horizontal shaft 48 is driven to rotate by the driving motor 43, the horizontal shaft 48 drives the second bevel gear 47 to rotate, the second bevel gear 47 drives the first bevel gear 44 to rotate, and the first bevel gear 44 drives the Z-shaped tube 45 to rotate to above the filter screen of the required particle size;

[0058] The movable material connection member includes a movable cover 46, which is slidably connected to the bottom of the Z-shaped tube 45; a first clamping ring is fixedly connected to the top inner wall of the movable cover 46, and a second clamping ring used to limit the separation of the first clamping ring and the Z-shaped tube 45 is fixedly connected to the bottom outer wall of the Z-shaped tube 45. The inner wall of the first clamping ring is fitted and slidably connected to the outer wall of the Z-shaped tube 45, and the outer diameter of the second clamping ring is larger than the inner diameter of the first clamping ring; the movable cover 46 is in close contact with the filter screen;

[0059] The tops of the filter screens and the circular plate 26 are flush;

[0060] When the aggregate is vibrated and screened, the movable cover 46 slides up and down along the Z-shaped tube 45. The movable cover 46 is subjected to the action of gravity and can always keep in contact with the filter screen to ensure the screening effect.

[0061] In order to solve the problem of unreasonable aggregate gradation in bridge concrete, the present invention, after screening the aggregate, rotates the material discharge component 4 counterclockwise to a position above a group of straight holes 212 where no filter screen is installed, and discharges the unqualified aggregate through the straight holes 212 here and then through the material discharge piece, which is conducive to accurately discharging the unqualified aggregate and accurately screening and discharging the qualified aggregate, ensuring that the particle sizes of various types of aggregates after screening meet the requirements, thereby achieving bridge concrete defect control, and the accuracy of aggregate particle size screening is higher, thereby ensuring that the gradation of various types of aggregates is more reasonable and the use characteristics of concrete are guaranteed; the present invention can screen different aggregates without the need to equip different screening equipment, thereby reducing the purchase cost.

[0062] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bridge concrete defect control device, comprising a tank (1), characterized in that: A multi-specification screening assembly (2) for screening aggregates with different screening particle sizes is installed inside the tank (1); The multi-specification screening assembly (2) comprises a circular plate (26), multiple groups of filter screens, a vibration assembly and a discharge piece; the circular plate (26) is provided with multiple groups of straight holes (212), the centers of the multiple groups of straight holes (212) are distributed on the same circle, and except for one group of straight holes (212), the remaining straight holes (212) are embedded with filter screens of increasing particle sizes in a clockwise order; the lower end of the circular plate (26) is connected to the vibration assembly, the vibration assembly is mounted on the inner wall of the tank body (1), and the filter screen is connected to the discharge assembly (4); the discharge piece is fixedly mounted on the bottom of the circular plate (26), and the discharge piece is connected to a group of straight holes (212) not mounted with the filter screen; the side wall of the circular plate (26) is slidably connected to the inner wall of the tank body (1); The tank body (1) is provided with a feeding assembly (4) for feeding aggregates to the top of the filter screen of the corresponding particle size of the multi-specification screening assembly (2) according to the aggregate screening particle size; A replacement cover (3) for quickly replacing each filter screen of a multi-specification screening assembly (2) is rotatably mounted on the side wall of the tank body (1); A discharge pipe (5) for discharging the screened aggregate is fixedly connected to the bottom of the tank body (1); The filter screens are respectively a first filter screen (22), a second filter screen (23), a second filter screen (24) and a fourth filter screen (25); the straight hole (212) without a filter screen installed, the first filter screen (22), the second filter screen (23), the second filter screen (24) and the fourth filter screen (25) are arranged in a counterclockwise order, and the filter particle sizes of the first filter screen (22), the second filter screen (23), the second filter screen (24) and the fourth filter screen (25) decrease in sequence; The vibration assembly comprises a support block (27), a slide bar (28) and a spring (210); a plurality of groups of slide bars (28) are fixedly connected to the bottom of the circular plate (26), and the slide bars (28) are all installed with a spring (210); a plurality of groups of support blocks (27) corresponding to the slide bars (28) are fixedly installed on the circumference of the inner wall of the tank body (1), and each slide bar (28) is slidably connected to each support block (27); the spring (210) is located between the circular plate (26) and the support block (27); and a vibrator (29) is fixedly installed on the bottom of the circular plate (26); The material discharge member comprises a slag discharge pipe (21) and a material collection cover (211); the material collection cover (211) is fixedly mounted on the bottom of the circular plate (26); the bottom of the material collection cover (211) is fixedly connected to the slag discharge pipe (21); the slag discharge pipe (21) and the material collection cover (211) are in communication with a straight hole (212) not equipped with a filter screen; The replacement cover (3) comprises an annular plate (31), the annular plate (31) being rotatably mounted on the outer wall of the tank body (1), a plurality of groups of second operating holes (33) being provided on the tank body (1), the second operating holes (33) being respectively located on one side of each group of filter screens, and a first operating hole (32) being provided on the annular plate (31), and when the first operating hole (32) is rotated to one side of each group of filter screens, the first operating hole (32) is communicated and overlapped with the second operating hole (33) on one side of the filter screens; The material discharge assembly (4) comprises a rotary drive assembly, a movable material receiving member and a material discharge structure; the rotary drive assembly is connected to the material discharge structure, and the bottom of the material discharge structure is slidably connected to the movable material receiving member; The material discharge structure comprises a material receiving cover (42), a straight tube (49) and a Z-shaped tube (45); the top of the tank body (1) is fixedly connected to a top cover (41), the top of the top cover (41) is fixedly connected to a material receiving cover (42), the lower end of the material receiving cover (42) is fixedly connected to a straight tube (49), the straight tube (49) is located inside the top cover (41), the lower end of the straight tube (49) is rotatably connected to the Z-shaped tube (45), and the lower end of the Z-shaped tube (45) is slidably connected to a movable material receiving member; The rotation drive assembly comprises a drive motor (43), a first bevel gear (44), a second bevel gear (47) and a transverse shaft (48); the drive motor (43) is fixedly mounted on the outer wall of the top cover (41); the output end of the drive motor (43) passes through the top cover (41) and is fixedly connected to the transverse shaft (48); the other end of the transverse shaft (48) is fixedly connected to the second bevel gear (47); the second bevel gear (47) is meshingly connected to the first bevel gear (44); and the first bevel gear (44) is fixedly mounted on the upper end of the Z-shaped tube (45); The movable material connection member comprises a movable cover (46) which is slidably connected to the bottom of the Z-shaped tube (45); a first clamping ring is fixedly connected to the top inner wall of the movable cover (46); a second clamping ring for limiting the separation of the first clamping ring from the Z-shaped tube (45) is fixedly connected to the bottom outer wall of the Z-shaped tube (45); the inner wall of the first clamping ring is slidably connected to the outer wall of the Z-shaped tube (45); the outer diameter of the second clamping ring is larger than the inner diameter of the first clamping ring; and the movable cover (46) is in close contact with the filter screen.

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