Dust falling device for concrete production workshop

Abstract

The utility model provides a dust fall device for a concrete production workshop, and relates to the technical field of concrete production dust fall, the dust fall device comprises a sprayer and a motor, a mounting base is arranged at the bottom of the sprayer, a supporting base column is machined in the center of the bottom of the mounting base, and a control arm is machined at the bottom of the supporting base column; one end of a motor rotating shaft is in transmission connection with a driving arm; a second positioning piece is arranged at the bottom of the center of the control arm; a movable strip groove is formed in one end of the control arm; a base is arranged at the bottom of the supporting base column and comprises a mounting plate, and a limiting plate is machined at one end of the mounting plate; according to the technical scheme, the driving arm is controlled by the motor to rotate, one end of the driving arm is movably connected to the interior of the movable strip groove, and when the end of the driving arm slides in the movable strip groove and applies pressure to the inner wall of the movable strip groove, the control arm can rotate within a fixed range outside the second positioning piece; and the driving control arm drives the supporting base column to swing, the structure is simple, and use and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of dust reduction in concrete production, in particular to a dust reduction device for a concrete production workshop. Background Art

[0002] Concrete uses cement as a cementitious material, such as sand and stone as aggregates, and is mixed with water (which may contain admixtures and additives) in a certain proportion and is widely used in civil engineering. Concrete production workshops will produce a lot of dust during the preparation of concrete. Dust will affect the environment of the production workshop and the efficiency of concrete processing. At the same time, dust will also affect the health of workers. Therefore, in view of the current situation, dust reduction devices will be used to reduce dust inside the workshop.

[0003] The patent document with publication number CN216799217U discloses a dust reduction device for a workshop used for the production of ready-mixed concrete. A swing mechanism is set up, and an external controller is used to operate the motor to drive the turntable to rotate. The rotation of the turntable drives the connecting rod. The square slider reciprocates up and down under the action of the connecting rod, thereby driving the sliding rod to reciprocate. The reciprocating motion of the sliding rod drives the sleeve to reciprocate through the threaded groove on the sleeve. The sleeve drives the connecting mechanism to swing during the reciprocating rotation. The sprayer can be driven to swing through the connecting mechanism, thereby realizing the spraying swing effect of the dust reduction device, thereby improving the dust reduction range of the device.

[0004] However, in the process of implementing the above technical solution, it is found that the above technical solution has the following technical problems:

[0005] The existing workshop dust reduction device for ready-mixed concrete production mainly realizes the swinging function of the dust reduction device by moving the sliding rod up and down and making the sleeve swing back and forth with the help of the spiral groove. However, in actual use, the rotatable sleeve is easily affected by the wear of the bottom support bearing, obstruction of foreign objects, etc., making it difficult to rotate, and eventually causing the sliding rod to be broken in the spiral groove, or causing the spiral groove to deform, and the sleeve cannot be used any more. Utility Model Content

[0006] In order to overcome the shortcomings of the rotatable sleeve of the existing dust reduction device for ready-mixed concrete production workshop, which is easily affected by the wear of the bottom support bearing and the obstruction of foreign objects, making it difficult to rotate, and eventually causing the sliding rod to be broken in the spiral groove, or causing the spiral groove to be deformed, and the sleeve cannot be used any longer, the embodiment of the present application provides a dust reduction device for a concrete production workshop, which controls the rotation of a driving arm through a motor. Because one end of the driving arm is movably connected to the inside of the movable strip groove, one end of the driving arm slides inside the movable strip groove and applies pressure to the inner wall of the movable strip groove, the control arm can be rotated within a fixed range outside the second positioning member, and the driving control arm drives the supporting base column to swing, which is convenient for adjusting the dust reduction angle of the sprayer on the top of the supporting base column. The structure is simple and easy to use and maintain.

[0007] The technical solution adopted by the embodiment of the present application to solve the technical problem is:

[0008] A dust suppression device for a concrete production workshop comprises a sprayer and a motor. A mounting base is arranged at the bottom of the sprayer, a supporting column is processed at the center of the bottom of the mounting base, a control arm is processed at the bottom of the supporting column, and one end of the motor shaft is drivingly connected to a driving arm.

[0009] In one possible implementation, a second positioning member is provided at the bottom of the center of the control arm, a movable groove is processed inside one end of the control arm, one end of the driving arm is movably connected inside the movable groove, and the control arm is rotatably connected to the outside of the second positioning member.

[0010] In a possible implementation, the cross section of the driving arm is L-shaped, and a rolling sleeve is sleeve-connected to the outside of one end of the driving arm, and the rolling sleeve is rollingly connected to the inside of the movable bar groove.

[0011] In one possible implementation, a base is provided at the bottom of the supporting column, and the base includes a mounting plate, one end of the mounting plate is processed with a limiting plate, the motor is assembled and connected to the top of one end of the limiting plate, and one end of the second positioning member is processed into one piece with the center of the top of the limiting plate.

[0012] In one possible implementation, a limiting groove is processed on the top of the mounting plate, a second bearing is interference fit on the outside of one end of the second positioning member, one end of the supporting base column is movably connected to the inside of the limiting groove, and the second bearing is interference fit inside the control arm.

[0013] In a possible implementation, a first positioning member is provided at one end of the supporting base column, a first bearing is interference fit at the top of the first positioning member, the first bearing is interference fit inside the supporting base column, and the first positioning member is rollingly connected inside the limiting strip groove.

[0014] In summary, the utility model includes at least one of the following beneficial technical effects:

[0015] 1. The driving arm is controlled to rotate by a motor. One end of the driving arm is movably connected to the inside of the movable groove. When one end of the driving arm slides inside the movable groove and applies pressure to the inner wall of the movable groove, the control arm can rotate within a fixed range outside the second positioning member. The driving control arm drives the supporting column to swing, which is convenient for adjusting the dust reduction angle of the sprayer on the top of the supporting column. The structure is simple and easy to use and maintain.

[0016] 2. By sleeved a rolling sleeve on the outside of one end of the driving arm, when the motor drives the driving arm to rotate and one end of the driving arm slides inside the movable strip groove, the rolling sleeve is supported between the movable strip groove and the driving arm, thereby avoiding wear on one end of the driving arm and wear on the inner wall of the movable strip groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model in working state;

[0019] Figure 3 It is an exploded view of the utility model.

[0020] Description of the drawings: 1. Sprayer; 2. Mounting base; 3. Support column; 4. Motor; 5. First bearing; 6. First positioning member; 7. Limiting strip groove; 8. Base; 801. Limiting plate; 802. Mounting plate; 9. Second positioning member; 10. Movable strip groove; 11. Control arm; 12. Drive arm; 13. Rolling sleeve; 14. Second bearing. DETAILED DESCRIPTION

[0021] The technical solution in the embodiment of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:

[0022] Embodiment 1:

[0023] This embodiment introduces a specific structure of a dust suppression device for a concrete production workshop. Figure 1-Figure 3 As shown, it includes a sprayer 1 and a motor 4. A mounting base 2 is provided at the bottom of the sprayer 1. A support column 3 is processed at the center of the bottom of the mounting base 2. A control arm 11 is processed at the bottom of the support column 3. One end of the rotating shaft of the motor 4 is drivingly connected to a driving arm 12.

[0024] In order to make the motor 4 control the driving arm 12 to rotate through the rotating shaft, the control arm 11 can be driven to drive the supporting column 3 to swing, thereby adjusting the dust reduction angle of the sprayer 1 on the top of the supporting column 3, such as Figure 1As shown, a second positioning member 9 is provided at the bottom of the center of the control arm 11, and a movable groove 10 is processed inside one end of the control arm 11. By movably connecting one end of the driving arm 12 inside the movable groove 10, when the motor 4 controls the driving arm 12 to rotate, the control arm 11 can be rotated within a fixed range outside the second positioning member 9 by sliding one end of the driving arm 12 inside the movable groove 10, so as to control one end of the control arm 11 to drive the supporting base column 3 to swing;

[0025] Secondly, in order to enable the motor 4 to stably control the swing of one end of the control arm 11, the support column 3 drives the sprinkler 1 to swing through the mounting base 2, such as Figure 1 As shown, a base 8 is provided at the bottom of the supporting column 3, and the base 8 includes a mounting plate 802, and a limiting plate 801 is processed at one end of the mounting plate 802. By assembling the motor 4 at the top of one end of the limiting plate 801, one end of the second positioning member 9 is processed into one piece with the center of the top of the limiting plate 801, and the second positioning member 9 can be used to form a support at the center of the bottom of the control arm 11.

[0026] By adopting the above technical solution:

[0027] The above design supports the second positioning member 9 and the motor 4 with the help of the base 8, so that the sprayer 1 is mounted on the inner side of the mounting base 2 on the top of the supporting column 3. When the motor 4 controls the driving arm 12 to rotate through the rotating shaft, one end of the driving arm 12 is movably connected to the inside of the movable strip groove 10, and one end of the driving arm 12 slides inside the movable strip groove 10 and applies pressure to the inner wall of the movable strip groove 10, so that the control arm 11 can rotate within a fixed range outside the second positioning member 9, and drive the control arm 11 to drive the supporting column 3 to swing, thereby adjusting the dust reduction angle of the sprayer 1 on the top of the supporting column 3. The structure is simple and easy to use.

[0028] Embodiment 2:

[0029] Based on Example 1, this example introduces the specific structure of the present application. The cross section of the driving arm 12 is L-shaped, and a rolling sleeve 13 is connected to the outside of one end of the driving arm 12 in a sleeve-type manner;

[0030] Among them, by making the rolling sleeve 13 rollingly connected inside the movable strip groove 10, when the motor 4 drives the driving arm 12 to rotate and make one end of it slide inside the movable strip groove 10, the rolling sleeve 13 is supported between the movable strip groove 10 and the driving arm 12, and the difference in material hardness and wear resistance between the rolling sleeve 13 and the movable strip groove 10, and between the rolling sleeve 13 and the driving arm 12 can be used to avoid the wear of one end of the driving arm 12 and the wear of the inner wall of the movable strip groove 10;

[0031] Secondly, in order to reduce the activity resistance of the control arm 11 when it rotates around the second positioning member 9, as shown in FIG. Figure 3 As shown, the second bearing 14 is interference-fitted on the outside of one end of the second positioning member 9. By making the second bearing 14 interference-fitted inside the control arm 11, when the control arm 11 rotates around the second positioning member 9, the wear amount can be directly transferred to the control arm 11 when the control arm 11 rotates relative to the second positioning member 9.

[0032] A second bearing 14;

[0033] like Figure 3 As shown, a limiting groove 7 is processed on the top of the mounting plate 802, a first positioning member 6 is provided at one end of the supporting column 3, and a first bearing 5 is interference-fitted on the top of the first positioning member 6;

[0034] Among them, one end of the supporting column 3 is movably connected to the inside of the limiting groove 7. By making the first bearing 5 interference fit inside the supporting column 3, the first bearing 5 can be used to support between the supporting column 3 and the first positioning member 6, so that the first positioning member 6 is rollingly connected to the inside of the limiting groove 7, thereby reducing the wear between the first positioning member 6 and the inner wall of the limiting groove 7 when the two are matched.

[0035] By adopting the above technical solution:

[0036] The above design sleeves the rolling sleeve 13 on the outside of one end of the driving arm 12. When the motor 4 drives the driving arm 12 to rotate and slide one end of the driving arm 12 inside the movable groove 10, the rolling sleeve 13 is supported between the movable groove 10 and the driving arm 12. The difference in material hardness and wear resistance between the rolling sleeve 13 and the movable groove 10, and between the rolling sleeve 13 and the driving arm 12 can prevent the wear of one end of the driving arm 12 and the wear of the inner wall of the movable groove 10.

[0037] By interference fitting the first bearing 5 between the first positioning member 6 and the supporting column 3, and interference fitting the second bearing 14 between the second positioning member 9 and the control arm 11, when the control arm 11 is controlled to rotate around the second positioning member 9, the wear between the control arm 11 and the second positioning member 9 can be reduced with the help of the second bearing 14, and the wear between the supporting column 3 and the mounting plate 802 can be reduced with the help of the first bearing 5 and the first positioning member 6, thereby ensuring the service life.

[0038] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A dust suppression device for a concrete production workshop, characterized in that: include: Sprinkler (1); Motor (4); The bottom of the sprayer (1) is provided with a mounting base (2), a support column (3) is processed at the center of the bottom of the mounting base (2), a control arm (11) is processed at the bottom of the support column (3), and one end of the rotating shaft of the motor (4) is drivingly connected to a driving arm (12).

2. A dust suppression device for a concrete production workshop as claimed in claim 1, characterized in that: A second positioning member (9) is provided at the bottom of the center of the control arm (11), and a movable groove (10) is processed inside one end of the control arm (11); One end of the driving arm (12) is movably connected to the inside of the movable strip groove (10), and the control arm (11) is rotatably connected to the outside of the second positioning member (9).

3. The dust suppression device for a concrete production workshop according to claim 1, characterized in that: The cross section of the driving arm (12) is L-shaped, and the outside of one end of the driving arm (12) is sleeve-connected with a rolling sleeve (13), and the rolling sleeve (13) is rollingly connected to the inside of the movable strip groove (10).

4. A dust suppression device for a concrete production workshop as claimed in claim 2, characterized in that: A base (8) is provided at the bottom of the support column (3), and the base (8) comprises a mounting plate (802), and a limiting plate (801) is processed at one end of the mounting plate (802); The motor (4) is assembled and connected to the top of one end of the limiting plate (801), and one end of the second positioning member (9) is processed into one piece with the center of the top of the limiting plate (801).

5. A dust suppression device for a concrete production workshop as claimed in claim 4, characterized in that: A limiting groove (7) is processed on the top of the mounting plate (802), and a second bearing (14) is interference-fitted on the outside of one end of the second positioning member (9); One end of the support base column (3) is movably connected to the inside of the limiting groove (7), and the second bearing (14) is interference-fitted inside the control arm (11).

6. A dust suppression device for a concrete production workshop as claimed in claim 5, characterized in that: A first positioning member (6) is provided at one end of the support base column (3), and a first bearing (5) is interference-fitted on the top of the first positioning member (6); The first bearing (5) is interference-fitted inside the supporting base column (3), and the first positioning member (6) is rollingly connected inside the limiting groove (7).

Images