High-precision electrical control device

Abstract

The utility model belongs to the technical field of crane lifting control, and particularly relates to a high-precision electrical control device which comprises a crane control box and is characterized in that a supporting assembly is arranged on the upper portion of the front end of the crane control box and comprises supporting rods and a support, the supporting rods are distributed in a bilateral symmetry mode, and the support is fixedly connected between the two supporting rods; a display is connected into the bracket in a clamping manner; the display is connected with a height sensor through a connecting line; according to the utility model, on the basis of the crane control box, the matched use of the height sensor and the display is further added, and through the matched use of the height sensor and the display, the height of the bottom end of the lifting rope of the crane can be measured in an auxiliary manner, so that the height of the bottom end of the lifting rope of the crane can be measured; therefore, the use height of the prop device can be more accurately judged, and the crane and the prop device can be better used.

Description

Technical Field

[0001] The utility model belongs to the technical field of crane lifting control, and in particular relates to a high-precision electrical control device. Background Art

[0002] A studio is a place used for TV program production, live directing, TV program hosting, and live sound recording. It is generally several meters to more than ten meters high. Scenery and stages can be set up inside, and it is equipped with lighting, cameras and other equipment. The crane is an indispensable electrical equipment in the studio. It can be used to control the lifting, lowering, retracting and extending of props such as theater studio curtains and soft scenery. When in use, the crane is remotely controlled by the crane control box connected to the crane, and the lifting and retracting of the crane rope can be used to further control the lifting and lowering of the prop device. It is mechanically operated, labor-saving and convenient.

[0003] However, at present, in the process of controlling the crane through the crane control box to realize the lifting and lowering of the prop device, the lifting height of the prop device is mostly determined by visual observation by the operator, and the lifting height control is not accurate enough, which sometimes causes a large deviation in the use height of the prop device, affecting the use effect of the prop device, requiring multiple operations and adjustments, and is also time-consuming and labor-intensive, and is not good to use. For this reason, the utility model further adds the coordinated use of a height sensor and a display on the basis of the existing crane control box to facilitate higher-precision control of the crane. Utility Model Content

[0004] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a high-precision electrical control device, which further adds the coordinated use of a height sensor and a display on the basis of the crane control box. Through the coordinated use of the height sensor and the display, the height of the bottom end of the crane rope can be assisted in measuring, so as to more accurately judge the use height of the prop device, thereby facilitating better use of the crane and the prop device.

[0005] To achieve the above object, the utility model provides the following technical solutions: a high-precision electrical control device, including a crane control box, characterized in that: a support assembly is provided at the upper front end of the crane control box, the support assembly includes a support rod and a bracket, the support rods are symmetrically distributed, and a bracket is fixedly connected between two of the support rods;

[0006] The interior of the bracket is snap-connected with a display;

[0007] The display is connected to a height sensor via a connecting line;

[0008] A fixing component is provided on one side of the height sensor, and the fixing component includes a fixing sleeve, a clamping sleeve and a clamping seat. The upper and lower ends of the right side of the fixing sleeve are screwed together with locking bolts. The front and rear sides of the fixing sleeve are provided with limiting grooves. The bottom end of the fixing sleeve is integrally formed with a limiting support ring. The left side of the fixing sleeve is provided with a clamping sleeve. The front and rear inner walls of the clamping sleeve are integrally formed with limiting convex strips, and the limiting convex strips are clamped and connected with the limiting grooves. The bottom end of the left side of the clamping sleeve is fixedly connected with the clamping seat. A clamping hole is provided inside the left side of the clamping seat. An opening is provided at the bottom end of the clamping hole, and the height sensor is clamped and connected with the clamping hole.

[0009] As a preferred technical solution for a high-precision electrical control device of the utility model, an end plate is integrally formed at the rear end of the support rod, and the left and right sides of the end plate are fixedly connected to the crane control box by fixing wires.

[0010] As a preferred technical solution of a high-precision electrical control device of the utility model, the bracket is a "U"-shaped structure and is arranged at an angle, and the inner walls on the left and right sides of the bracket are coated with a rubber coating.

[0011] As a preferred technical solution for a high-precision electrical control device of the utility model, a locking bolt 2 is screwed and connected to the upper left end of the ferrule.

[0012] As a preferred technical solution of the high-precision electrical control device of the utility model, the inner wall of the clamping hole is coated with a rubber coating around it.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model further adds the coordinated use of a height sensor and a display on the basis of the crane control box. The display is installed at the bottom end of the crane rope through a fixing component, and the display is installed on the crane control box through a supporting component. When in use, the crane can be controlled by the crane control box connected to the crane, so as to further realize the lifting and lowering control of the prop device through the crane rope. The coordinated use of the height sensor and the display can assist in measuring the height of the bottom end of the crane rope, so as to more accurately judge the use height of the prop device, thereby facilitating better use of the crane and the prop device. Compared with the prior art, it is better to use, and the height sensor and the fixing component, as well as the display and the supporting component can be quickly disassembled and assembled, which is convenient for future disassembly, inspection and maintenance operations of the height sensor and the display. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the crane control box, support assembly and display of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the support assembly and the display of the utility model;

[0019] Figure 4 This is a schematic diagram of the split structure of the support assembly and the display of the utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure of the height sensor and the fixing component of the utility model;

[0021] Figure 6 for Figure 5 Schematic diagram of the structure viewed from above;

[0022] Figure 7 It is a schematic diagram of the disassembled structure of the height sensor and the fixing component of the utility model.

[0023] In the figure: 1. Crane control box; 2. Support rod; 3. End plate; 4. Fixing wire; 5. Bracket; 6. Display; 7. Fixing sleeve; 8. Locking bolt 1; 9. Limiting groove; 10. Limiting support ring; 11. Clamping sleeve; 12. Limiting convex strip; 13. Locking bolt 2; 14. Clamping seat; 15. Clamping hole; 16. Opening hole; 17. Height sensor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example

[0026] See also Figure 1-7The utility model provides the following technical solutions: a high-precision electrical control device, including a crane control box 1, characterized in that: a supporting assembly is arranged on the upper front end of the crane control box 1, the supporting assembly includes a support rod 2 and a bracket 5, the support rod 2 is symmetrically distributed on the left and right, and the rear end of the support rod 2 is integrally formed with an end plate 3, and the left and right sides of the end plate 3 are fixedly connected to the crane control box 1 by fixing wires 4, and a bracket 5 is fixedly connected between the two support rods 2, the bracket 5 is a "U"-shaped structure and is tilted, and the left and right inner walls of the bracket 5 are coated with rubber coatings, wherein the specific connection of the crane control box 1 and its use are prior art and will not be described in detail here, the supporting assembly is used for further setting on the display 6, the display 6 is tilted on the crane control box 1, which is convenient for observation and use, and the rubber coating inside the bracket 5 can improve the clamping and fastening effect of the display 6 and the bracket 5, and can reduce the wear between the two sides of the display 6 and the inner walls of the two sides of the bracket 5.

[0027] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, further, the bracket 5 is internally snap-connected with a display 6, wherein the display 6 can be quickly removed from the bracket 5 to facilitate subsequent disassembly, inspection and maintenance.

[0028] Reference Figure 1 As shown, further, the display 6 is connected to a height sensor 17 through a connecting line, wherein the height sensor 17 uses an existing laser distance measuring sensor for auxiliary detection of the use height of the prop device, and the display 6 uses an existing digital height sensor 17 for displaying the value detected by the height sensor 17. When in use, the height sensor 17 located on one side of the bottom end of the crane rope and above the prop device emits a light beam downward and transmits it back, which can measure the current height of the height sensor 17, that is, the upper end height of the prop device, and further transmit the detection signal to the display 6 for processing and numerical display, so as to more accurately judge the use height of the prop device, thereby facilitating better use of the crane and the prop device.

[0029] Reference Figure 1 , Figure 5 , Figure 6 and Figure 7As shown, further, a fixing component is provided on one side of the height sensor 17, and the fixing component includes a fixing sleeve 7, a clamping sleeve 11 and a clamping seat 14. The upper and lower ends of the right side of the fixing sleeve 7 are screwed together with locking bolts 8, and the front and rear sides of the fixing sleeve 7 are provided with limiting grooves 9. The bottom end of the fixing sleeve 7 is integrally formed with a limiting support ring 10, and the left side of the fixing sleeve 7 is provided with a clamping sleeve 11. The inner walls of the front and rear sides of the clamping sleeve 11 are integrally formed with limiting convex strips 12, and the limiting convex strips 12 are engaged with the limiting grooves 9. The upper end of the left side of the clamping sleeve 11 is screwed together with a locking bolt 2 13, and the bottom end of the left side of the clamping sleeve 11 is fixedly connected with the clamping seat 14, and a clamping hole 15 is provided inside the left side of the clamping seat 14. The inner wall of the clamping hole 15 is coated with a rubber coating, and an opening 16 is provided at the bottom end of the clamping hole 15, and the height sensor 17 is engaged with the clamping hole 15. , wherein the fixing assembly is used for setting the height sensor 17 on the hoisting rope of the crane, the fixing sleeve 7 can be sleeved and connected with the hoisting rope, and further locked and fixed by the locking bolt 1 8, the clamping sleeve 11 can be clamped and connected with the fixing sleeve 7 through the limiting convex strip 12 and the limiting groove 9, and the limiting support ring 10 is used for the limiting support at the bottom, and further locked and fixed by the locking bolt 2 13, the disassembly is simple, convenient and fast, the clamping hole 15 on the clamping seat 14 is used for the clamping installation of the height sensor 17, and the opening 16 is used to expose the bottom detection end of the height sensor 17, and the rubber coating in the clamping hole 15 can improve the clamping and fastening effect of the height sensor 17 and the clamping hole 15, and can reduce the wear between the outer wall of the height sensor 17 and the inner wall of the clamping hole 15, and the height sensor 17 can be quickly removed from the clamping hole 15, which is convenient for subsequent disassembly, inspection and maintenance.

[0030] In this embodiment, the utility model further adds the coordinated use of a height sensor 17 and a display 6 on the basis of the crane control box 1. The display 6 is installed at the bottom end of the crane rope through a fixing component, and the display 6 is installed on the crane control box 1 through a supporting component. When in use, the crane can be controlled by the crane control box 1 connected to the crane, so as to further realize the lifting and lowering control of the prop device through the crane rope. The coordinated use of the height sensor 17 and the display 6 can assist in measuring the height of the bottom end of the crane rope, so as to more accurately judge the use height of the prop device, thereby facilitating better use of the crane and the prop device. Compared with the prior art, it is better to use, and the height sensor 17 and the fixing component, as well as the display 6 and the supporting component can be quickly disassembled and installed, which is convenient for future disassembly, inspection and maintenance operations of the height sensor 17 and the display 6.

[0031] The use process and working principle of the utility model are as follows: the crane used for lifting, lowering, retracting and releasing control of the prop device is connected to an external power supply, and the display 6 connected to the height sensor 17 is further connected to the external power supply. When in use, the crane can be controlled by the crane control box 1 connected to the crane, and the lifting and lowering control of the prop device can be further realized by the crane rope. In the process of retracting and releasing the crane rope and lifting and lowering the prop device, the height sensor 17 located on one side of the bottom end of the crane rope and above the prop device emits a light beam downward and transmits it back, so that the current height of the height sensor 17, that is, the upper end height of the prop device, can be measured, and the detection signal is further transmitted to the display 6 for processing and numerical display, so as to more accurately judge the use height of the prop device, thereby facilitating better use of the crane and the prop device.

[0032] In the future, the display 6 can be quickly removed by lifting it relative to the bracket 5 and further unplugging the external wiring of the display 6, so that the display 6 can be further disassembled, inspected and repaired. Similarly, the height sensor 17 can be quickly removed by pulling up the card hole 15 on the card holder 14 and further unplugging the external wiring of the height sensor 17, so that the height sensor 17 can be further disassembled, inspected and repaired.

[0033] In addition, the contents not described in detail in this embodiment are all within the scope of prior art and common knowledge.

[0034] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-precision electrical control device, comprising a crane control box (1), characterized in that: A support assembly is provided at the upper front end of the crane control box (1), the support assembly comprising support rods (2) and brackets (5), the support rods (2) being symmetrically distributed on the left and right, and a bracket (5) being fixedly connected between two of the support rods (2); The bracket (5) is internally snap-connected with a display (6); The display (6) is connected to a height sensor (17) via a connecting line; A fixing assembly is provided on one side of the height sensor (17), the fixing assembly comprising a fixing sleeve (7), a clamping sleeve (11) and a clamping seat (14); the upper and lower ends of the right side of the fixing sleeve (7) are screwed together with a locking bolt (8); the front and rear sides of the fixing sleeve (7) are provided with a limiting groove (9); the bottom end of the fixing sleeve (7) is integrally formed with a limiting support ring (10); the left side of the fixing sleeve (7) is provided with a clamping sleeve (11); the inner walls of the front and rear sides of the clamping sleeve (11) are integrally formed with limiting convex strips (12); and the limiting convex strips (12) are clamped and connected with the limiting groove (9); the bottom end of the left side of the clamping sleeve (11) is fixedly connected with the clamping seat (14); a clamping hole (15) is provided inside the left side of the clamping seat (14); an opening (16) is provided at the bottom end of the clamping hole (15); and the height sensor (17) is clamped and connected with the clamping hole (15).

2. A high-precision electrical control device according to claim 1, characterized in that: An end plate (3) is integrally formed at the rear end of the support rod (2), and the left and right sides of the end plate (3) are fixedly connected to the crane control box (1) via fixing wires (4).

3. A high-precision electrical control device according to claim 1, characterized in that: The bracket (5) is a "U"-shaped structure and is arranged at an angle, and the inner walls on the left and right sides of the bracket (5) are coated with a rubber coating.

4. A high-precision electrical control device according to claim 1, characterized in that: The left upper end of the clamping sleeve (11) is screwed with a second locking bolt (13).

5. A high-precision electrical control device according to claim 1, characterized in that: The inner wall of the clamping hole (15) is coated with a rubber coating around its periphery.

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