Three-dimensional rotating mechanism of grain quantity monitoring device based on laser radar

Abstract

The utility model discloses a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar, which is characterized in that a mounting part is driven by a first motor to drive an auxiliary cylinder to rotate, so that an auxiliary cylinder motor mounted on a main cylinder in the prior art is omitted; the pitching angle of the auxiliary cylinder rotating along with the mounting part is adjusted through the electric cylinder, the rotating rod and the connecting rod which are fixedly mounted on the top of the bin; the problems that in an original structure, an auxiliary cylinder motor installed on a main cylinder is used for adjusting the angle of an auxiliary cylinder, the ranging accuracy of the laser radar is easily affected, and an electric wire is easily wound and even broken are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the quantity monitoring equipment in bulk grain storage process, concretely relates to a three -dimensional rotating mechanism of grain quantity monitoring device based on laser radar. BACKGROUND

[0002] Grain quantity monitoring device is applied to the grain storehouse, carries out quantity monitoring to bulk grain one kind of electronic equipment, the existing grain quantity monitoring device such as Chinese patent CN208091369U discloses "grain quantity monitoring and in -store video monitoring device", including monitoring unit, monitoring unit includes by main cylinder motor drive main cylinder, the rotation axis of main cylinder is along up and down direction extension arrangement, the lateral wall of main cylinder is rotationally assembled with the rotation axis horizontal arrangement auxiliary cylinder, auxiliary cylinder is driven by auxiliary cylinder motor, and laser ranging sensor is arranged in auxiliary cylinder. When using, auxiliary cylinder motor is used for adjusting the pitch angle of laser ranging sensor, and main cylinder motor is used for driving laser ranging sensor to rotate around vertical axis, to realize that laser ranging sensor carries out annular scanning to grain heap, and thus main, auxiliary cylinder cooperation completes the scanning of laser ranging sensor to in-store bulk grain, to obtain the volume of bulk grain, and finally calculates the quantity of bulk grain according to the density of bulk grain.

[0003] But, because the existing structure is auxiliary cylinder motor installation on main cylinder with main cylinder rotates, is easy to cause auxiliary cylinder motor in the running process its rotor dynamic imbalance, causes vibration, influences the accuracy of laser radar ranging, and in the process of auxiliary cylinder motor with main cylinder rotates, its power cord also needs to rotate, makes the wire easy to occur entanglement even breakage condition. So the inventor improves the three -dimensional rotating structure of grain quantity monitoring device. UTILITY MODEL CONTENT

[0004] The application provides a three -dimensional rotating mechanism of grain quantity monitoring device based on laser radar, can solve the following problems: the existing structure is auxiliary cylinder motor installation on main cylinder with main cylinder rotates, is easy to cause auxiliary cylinder motor in the running process its rotor dynamic imbalance, causes vibration, influences the accuracy of laser radar ranging, and in the process of auxiliary cylinder motor with main cylinder rotates, its power cord also needs to rotate, makes the wire easy to occur entanglement even breakage condition.

[0005] To solve the above technical problems, a three-dimensional rotating mechanism of a grain quantity monitoring device based on a laser radar is provided, a first through groove is arranged on the vertical warehouse top, a rotating mounting portion is arranged at the first through groove, the rotating shaft of the rotating mounting portion is vertical, a secondary cylinder is hingedly arranged on the rotating mounting portion, the hinge shaft of the secondary cylinder is horizontal, and the secondary cylinder is arranged below the first through groove, a first motor is arranged on the warehouse top to drive the rotating mounting portion to rotate through gear transmission, a second through groove is arranged on the vertical rotating mounting portion, an electric cylinder is arranged on the vertical warehouse top, the piston rod of the electric cylinder penetrates the shaft hole of the gear arranged on the rotating mounting portion and extends below the warehouse top, a rotating rod with a rotating shaft in the vertical direction is arranged on the lower end of the piston rod, a connecting rod is hingedly arranged on the lower end of the rotating rod, the other end of the connecting rod is hingedly arranged on the extension line of the laser radar arrangement direction of the secondary cylinder, the hinge shaft of the connecting rod coincides with the hinge shaft of the secondary cylinder, and the central shaft of the electric cylinder coincides with the rotating shaft of the rotating mounting portion and the arrangement direction of the laser radar in the initial state.

[0006] In an embodiment, a first gear is fixedly arranged on the rotating mounting portion, the central shaft of the first gear coincides with the rotating shaft of the rotating mounting portion, a second gear is fixedly arranged on the output shaft of the first motor, and the first gear is engaged with the second gear.

[0007] In an embodiment, the rotating mounting portion comprises a rotating connecting portion, the rotating connecting portion is arranged at the first through groove, the lower end of the rotating connecting portion extends to one side in the horizontal direction, a connecting plate is fixedly arranged on the lower end of the one side of the connecting plate away from the rotating connecting portion, a vertical plate is fixedly arranged on the lower end of the connecting plate away from the rotating connecting portion, and the secondary cylinder is hingedly arranged on the lower end of the vertical plate.

[0008] In an embodiment, the rotating mounting portion is rotatably arranged at the first through groove through a bearing.

[0009] In an embodiment, the piston rod and the rotating rod are rotatably connected through a bearing.

[0010] In an embodiment, a first mounting frame is fixedly arranged on the warehouse top to provide a mounting position for the first motor.

[0011] In an embodiment, a second mounting frame is fixedly arranged on the warehouse top to provide a mounting position for the electric cylinder.

[0012] In an embodiment, the other end of the connecting rod is hingedly arranged on the extension line of the laser radar arrangement direction of the secondary cylinder, and the central shaft of the electric cylinder coincides with the rotating shaft of the rotating mounting portion and the arrangement direction of the laser radar in the initial state.

[0013] In summary, the three-dimensional rotating mechanism of the grain quantity monitoring device based on laser radar has the following beneficial effects compared with the prior art: the structure of the present application removes the auxiliary cylinder motor installed on the main cylinder in the prior art, and adjusts the pitch angle of the auxiliary cylinder rotating with the mounting part through the electric cylinder fixedly installed on the top of the bin, avoiding the problem that the angle adjustment of the auxiliary cylinder through the auxiliary cylinder motor installed on the main cylinder in the original structure easily affects the accuracy of laser radar ranging and easily causes the entanglement and even breakage of the electric wire. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will be more apparent from the following detailed description read in conjunction with the accompanying drawings, in which several embodiments of the present disclosure are shown by way of example, and wherein like or corresponding portions of constituents throughout the drawings are designated by like reference numerals. In the drawings:

[0015] Figure 1 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar;

[0016] Figure 2 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar;

[0017] Figure 3 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar;

[0018] Figure 4 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar; Figure 3 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar;

[0019] Figure 5 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar; Figure 4 FIG. 1 is a perspective view of a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar;

[0020] In the drawings, 1 is the top of the bin, 2 is the first through slot, 3 is the first mounting bracket, 4 is the second mounting bracket, 5 is the mounting part, 6 is the rotating connection part, 7 is the connecting plate, 8 is the vertical plate, 9 is the second through slot, 10 is the first gear, 11 is the first motor, 12 is the second gear, 13 is the auxiliary cylinder, 14 is the laser radar, 15 is the electric cylinder, 16 is the piston rod, 17 is the rotating rod, 18 is the connecting rod, 19 is the first bearing, 20 is the first bearing seat, 21 is the second bearing, and 22 is the second bearing seat. DETAILED DESCRIPTION

[0021] For the convenience of understanding the utility model, the utility model is explained in more detail below in combination with the drawings and specific embodiments. The drawings show the preferred embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described in the specification. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] It should be noted that, unless otherwise defined, all technical and scientific terms used in the specification are the same as the meanings commonly understood by the person skilled in the art belonging to the technical field of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments and are not used to limit the utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , a three-dimensional rotating mechanism of a grain quantity monitoring device based on laser radar, in an embodiment, a first through groove 2 is arranged on the top of the warehouse 1 and penetrates the top of the warehouse 1 vertically, and the first through groove 2 is a circular groove. A mounting portion 5 is rotatably arranged at the first through groove 2, and the rotating shaft of the mounting portion 5 is vertical. A sub-cylinder 13 is hingedly arranged on the mounting portion 5, and the hinge shaft of the sub-cylinder 13 is horizontal (for adjusting the pitch angle of the sub-cylinder 13), and the sub-cylinder 13 is located below the first through groove 2. A first motor 11 is fixedly installed on the top of the warehouse 1, and is used to drive the mounting portion 5 to rotate through gear transmission.

[0024] Please refer to Figures 1-5 , a second through groove 9 is arranged on the mounting portion 5 vertically and penetrates itself, and the second through groove 9 is also a circular groove. An electric cylinder 15 is fixedly installed vertically downward above the top of the warehouse 1, the piston rod 16 of the electric cylinder 15 penetrates the first through groove 2, the second through groove 9 and the shaft hole of the gear installed on the mounting portion 5 downward and extends to below the top of the warehouse 1, a rotating rod 17 with a vertical rotating shaft is rotatably arranged at the lower end of the piston rod 16, a connecting rod 18 is hingedly arranged at the lower end of the rotating rod 17, the other end of the connecting rod 18 is hingedly arranged on the extension line of the setting direction of the laser radar 14 on the sub-cylinder 13, and the hinge shafts at both ends of the connecting rod 18 coincide with the hinge shaft of the sub-cylinder 13. In the initial state, the central shaft of the electric cylinder 15 coincides with the rotating shaft of the mounting portion 5 and the setting direction of the laser radar 14, and the laser radar 14 is vertically arranged downward, so that the scanning of the laser radar 14 starts from the center point.

[0025] Working principle: the first motor 11 drives the mounting part 5 to drive the auxiliary cylinder 13 to rotate, and the electric cylinder 15 fixedly installed on the warehouse top 1 adjusts the pitch angle of the auxiliary cylinder 13 rotating with the mounting part 5, which avoids the problem that the original structure adjusts the angle of the auxiliary cylinder through the auxiliary cylinder motor installed on the main cylinder, which easily affects the accuracy of the laser radar 14 ranging and easily causes the wire to be entangled or even broken.

[0026] Please refer to Figure 1 , Figure 5 In an embodiment, a first gear 10 is fixedly arranged on the mounting part 5 by welding or threaded connection, the central axis of the first gear 10 coincides with the rotating shaft of the mounting part 5, the housing of the first motor 11 is fixedly installed on the warehouse top 1, and a second gear 12 is fixedly arranged on the output shaft of the first motor 11. The first gear 10 is engaged with the second gear 12. In this way, the mounting part 5 is driven to rotate by gear transmission, and the structure position is reasonable and the effect is stable.

[0027] Please refer to Figure 2 , Figure 4 In an embodiment, the mounting part 5 comprises a rotating connecting part 6, the rotating connecting part 6 is used for rotating connection at the first through groove 2, the second through groove 9 is arranged on the rotating connecting part 6, and the lower end of the rotating connecting part 6 extends outward along the horizontal direction and is fixedly provided with a connecting plate 7. The connecting plate 7 extends downward and is fixedly provided with a vertical plate 8 away from the lower end of the rotating connecting part 6. The fixed arrangement can be one-piece forming, and the auxiliary cylinder 13 is hinged to the lower end of the vertical plate 8. In this way, the mounting part 5 extends outward and downward to provide a hinged position for the auxiliary cylinder 13, and the structure is more reasonable.

[0028] Please refer to Figure 5 In an embodiment, a first bearing 19 is arranged on the mounting part 5, a first bearing seat 20 is fixedly installed at the first through groove 2, and the mounting part 5 is rotatably connected to the first bearing seat 20 through the first bearing 19. In this way, the rotation of the mounting part 5 is more stable and has smaller resistance.

[0029] Please refer to Figure 5 In an embodiment, a second bearing 21 is arranged on the piston rod 16, a second bearing seat 22 is fixedly installed on the upper end of the rotating rod 17, and the piston rod 16 and the rotating rod 17 are rotatably connected through the second bearing 21. In this way, the rotation between the piston rod 16 and the rotating rod 17 is more stable and has smaller resistance.

[0030] Please refer to Figure 3In one embodiment, a first mounting frame 3 is fixedly arranged on the top 1 of the bin by welding or screwing, and is used for providing a mounting position for the first motor 11. The first motor 11 is mounted on the first mounting frame 3 downwardly. In this way, the structure is more reasonable.

[0031] Please refer to Figure 1 In one embodiment, a second mounting frame 4 is fixedly arranged on the top 1 of the bin by welding or screwing, and is used for providing a mounting position for the electric cylinder 15. In this way, the structure is more reasonable and stable.

[0032] In the above description of the present specification, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected" or "linked" and the like should be understood in a broad sense. For example, as to the term "connected", it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. Therefore, unless otherwise explicitly limited in the present specification, the above terms can be understood in the specific meaning in the present application by the person skilled in the art according to the specific circumstances.

[0033] According to the above description of the present specification, the person skilled in the art can also understand that the terms used in the following, such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "center", "longitudinal", "transverse", "clockwise" or "counterclockwise" and the like indicating the orientation or positional relationship terms are based on the orientation or positional relationship shown in the drawings of the present specification, which is only for the purpose of facilitating the description of the present application and simplifying the description, and is not explicitly or implicitly indicated that the device or element involved must have the specific orientation, be constructed and operated in a specific orientation, therefore the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the present application.

[0034] In addition, the terms "first" or "second" and the like used in the present specification are used to refer to the terms of number or ordinal only for the purpose of description, and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" or "second" can explicitly or implicitly include at least one of the features. In the description of the present specification, the meaning of "a plurality of" is at least two, for example, two, three or more, etc., unless otherwise explicitly specified and limited.

[0035] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A three-dimensional rotating mechanism of a grain quantity monitoring device based on a laser radar, characterized by, A mounting portion (5) is rotatably arranged on the top (1), the rotating shaft of which is in the vertical direction, a sub-cylinder (13) is hingedly arranged on the mounting portion (5), the hinge shaft of which is in the horizontal direction, and the sub-cylinder (13) is below the top (1), a first motor (11) is arranged on the top (1) for driving the mounting portion (5) to rotate through gear transmission, a second through slot (9) is vertically arranged through the mounting portion (5), an electric cylinder (15) is arranged on the top (1) in the vertical direction and downward, the piston rod (16) of the electric cylinder (15) passes through the shaft hole of the gear arranged on the mounting portion (5) and extends below the top (1), a rotating rod (17) with a rotating shaft in the vertical direction is rotatably arranged at the lower end of the piston rod (16), a connecting rod (18) is hingedly arranged at the lower end of the rotating rod (17), and the other end of the connecting rod (18) is hingedly connected to the sub-cylinder (13), and the hinge shaft of the connecting rod (18) is parallel to the hinge shaft of the sub-cylinder (13).

2. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, A first gear (10) is fixedly arranged on the mounting portion (5), the central shaft of the first gear (10) coincides with the rotating shaft of the mounting portion (5), a second gear (12) is fixedly arranged on the output shaft of the first motor (11), and the first gear (10) is engaged with the second gear (12).

3. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, The mounting portion (5) comprises a rotating connecting portion (6) for rotating connection with the top (1), the lower end of the rotating connecting portion (6) extends outwardly in the horizontal direction and is fixedly provided with a connecting plate (7), the connecting plate (7) extends downwardly from the lower end of the side away from the rotating connecting portion (6) and is fixedly provided with a vertical plate (8), and the sub-cylinder (13) is hingedly connected to the lower end of the vertical plate (8).

4. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, The mounting portion (5) is rotatably arranged on the top (1) through a bearing.

5. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, The piston rod (16) and the rotating rod (17) are rotatably connected through a bearing.

6. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, A first mounting frame (3) is fixedly arranged on the top (1) for providing a mounting position for the first motor (11).

7. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, A second mounting frame (4) is fixedly arranged on the top (1) for providing a mounting position for the electric cylinder (15).

8. The three-dimensional rotating mechanism of the laser radar-based grain quantity monitoring device according to claim 1, characterized in that, The other end of the connecting rod (18) is hingedly connected to the extension line of the setting direction of the laser radar (14) on the sub-cylinder (13), and in the initial state, the central shaft of the electric cylinder (15) coincides with the rotating shaft of the mounting portion (5) and the setting direction of the laser radar (14).

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