Novel variable-frequency gantry crane inching control and empty and heavy box recognition device

By designing the take-up and limit components of the variable frequency gantry crane inching control and empty/loaded box identification device, the problems of wire tangling and maintenance difficulty were solved, and the stability and safety of the line were achieved.

CN223592281UActive Publication Date: 2025-11-25SHENYANG SHENTIE CRANE MASCH PLANT
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Patent Information

Application Number
CN202520054060.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-11-25
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

In the variable frequency gantry crane jog control and empty/loaded box identification device, excess wires are prone to tangling, increasing wear and tear, leading to safety hazards, and improper wire length increases the difficulty of later maintenance.

Method used

A device was designed that includes a lifting point control structure, an empty/loaded box identification device body, and external wiring. Through the retraction and extension components, electrical connection plate components, and limit components, the device enables flexible adjustment of the wiring and prevents tangling. By using components such as wire guide plate, shaft column, gear, and manual throttle, the device ensures that the wiring length is reasonable and prevents tangling and wear.

Benefits of technology

It effectively prevents wire tangling, reduces safety hazards, improves safety and ease of maintenance, and ensures the stability and rationality of wire adjustments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of variable-frequency doors, in particular to a novel variable-frequency door lifting inching control and empty and heavy box recognition device which comprises a lifting inching control structure, an empty and heavy box recognition device body and an external connecting wire, the lifting inching control structure is electrically connected with the external connecting wire, and the external connecting wire is electrically connected with a retracting and releasing assembly. The collecting and releasing assembly is rotationally connected to the inner side of the empty and heavy box recognition device body, an electric connection plate assembly is fixedly connected to the inner side of the empty and heavy box recognition device body, and a limiting assembly is fixedly connected to the inner side, close to the upper end of the collecting and releasing assembly, of the empty and heavy box recognition device body. According to the device, the situation that abrasion is increased due to the fact that a circuit is too long and is wound is avoided, potential safety hazards are reduced, meanwhile, adjustment of the circuit in the later maintenance process cannot be affected due to the fact that the length of the circuit is right, and the maintenance convenience of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to variable frequency door technical field, concretely is a new type variable frequency door lifting point dynamic control and empty heavy box identification device. BACKGROUND

[0002] Variable frequency door lifting point dynamic control refers to the movement of the lifting point in the portal crane and other hoisting equipment is controlled by the frequency converter, and the accurate control of the position of the lifting point is realized. This control method is usually used in occasions that require accurate positioning, for example, during installation or debugging, the position of the lifting point can be fine-tuned through point dynamic control to ensure the balance and correct installation of the equipment. The empty heavy box identification device is an intelligent device used for container loading and unloading operation, which can automatically identify whether the container is empty or heavy. This device usually includes weight limiting sensors, vehicle detection sensors, single-chip microcomputers and other components. By detecting the weight and position information of the container, it is determined whether it is empty or heavy, and the operator is reminded through an alarm device to avoid the occurrence of empty and heavy mixed loading phenomenon, and improve the safety and efficiency of loading and unloading operation.

[0003] The variable frequency door empty heavy box identification device is usually integrated in a control box, which contains various sensors, processors and control modules and other components to identify and control the empty and heavy state of the container. The variable frequency door empty heavy box identification device and the lifting point dynamic control structure of the variable frequency door are usually connected by a line. This connection method can realize the transmission of data and control signals, so that the empty heavy box identification device can adjust and control the lifting point dynamic control structure according to the identification result.

[0004] When connecting the variable frequency door lifting point dynamic control structure and the empty heavy box identification device by wire, in order to facilitate connection, the staff usually arranges a longer line and reserves a part of it to facilitate adjustment of the line. However, if these extra wires are not handled properly, the excess wires are prone to entanglement, increasing wear and tear, and long-term use can cause safety hazards. If the length of the line is just right, it increases the difficulty of adjustment during later maintenance. Therefore, a new type of variable frequency door lifting point dynamic control and empty heavy box identification device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new type of variable frequency door lifting point dynamic control and empty heavy box identification device to solve the problem that the staff usually arranges a longer line and reserves a part of it. If these extra wires are not handled properly, the excess wires are prone to entanglement, increasing wear and tear, and long-term use can cause safety hazards. If the length of the line is just right, it increases the difficulty of adjustment during later maintenance.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a new type frequency conversion door crane point dynamic control and empty heavy case identification device, including lifting point dynamic control structure, empty heavy case identification device body and external wire, lifting point dynamic control structure and external wire electric connection, external wire and retraction assembly electric connection, retraction assembly rotatory connection in the inside of empty heavy case identification device body, the inside fixedly connected with electric interface plate assembly of empty heavy case identification device body, the inside fixedly connected with limit component of empty heavy case identification device body near retraction assembly upper end, empty heavy case identification device body includes identification device box, the inside of identification device box is equipped with the accommodation recess, retraction assembly includes the line baffle, the inside fixedly connected with the axle column of line baffle, the inside fixedly connected with built -in line of axle column, the outside fixedly connected with gear of axle column, the left side fixedly connected with manual handle of axle column, the right side fixedly connected with first spring telescopic link of axle column, the right end fixedly connected with push plate of first spring telescopic link, the inside fixedly connected with hard quality electric joint of push plate, the one side fixedly connected with annular electric contact piece of wire distribution board of electric interface plate assembly, the one side fixedly connected with inner groove plate of wire distribution board, the inside is equipped with annular recess of inner groove plate, external wire and built -in line are fixed, the inside rotatory connection of identification device box of axle column outside, the right end fixedly connected with the accommodation recess right end of identification device box of wire distribution board right side.

[0008] As the further optimization of the utility model, the limit component includes a top fixing plate, the bottom end of the top fixing plate is fixedly connected with an electromagnet and a second spring telescopic link, the bottom end of the second spring telescopic link is fixedly connected with a gear slot plate, the top end of the gear slot plate is fixedly connected with a magnetic block, the bottom end of the top fixing plate is fixedly connected with a fixed shaft block, and the inside of the fixed shaft block is provided with a fixed shaft slot.

[0009] As the further optimization of the utility model, the inside of the identification device box close to the axle column is provided with an axle hole, the left end of the axle column protrudes from the left end of the identification device box, and the manual handle is located outside the identification device box.

[0010] As the further optimization of the utility model, the number of the line baffles is multiple, a spacing is arranged between the line baffles, the inside of the line baffles is hollow, the built-in line is installed between the spacing of the line baffles, and the right end of the built-in line protrudes from the axle column.

[0011] As the further optimization of the utility model, the inside close to the built-in line of the axle column is provided with a threading slot, two bearings are fixedly arranged on the outside of the axle column, the axle column is rotatory connected to the inside of the fixed shaft slot of the fixed shaft block through the bearings, and the outside of the gear is engaged with the gear slot of the gear slot plate.

[0012] As the further optimization of the utility model, wherein: the number of hard electrical connectors is same as the number of built-in lines, the hard electrical connectors are in electrical communication with the built-in lines, mounting holes are formed in the inner side of the hard electrical connector close to the hard electrical connector, a plurality of metal extension rods are arranged at the right end of the hard electrical connector, the metal extension rods of the hard electrical connector are inserted into the inner side of the annular groove, the hard electrical connector is in electrical connection with the annular electrical connector, and the number of the first spring telescopic rods is two.

[0013] As the further optimization of the utility model, wherein: the annular groove is in the shape of a circular ring body, the annular electrical connector is mounted on the inner side of the annular groove, the number of the annular electrical connector is same as the number of the metal extension rods of the hard electrical connector, and the annular electrical connector is in electrical communication with the wiring end inside the identification device box through the electric wire.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In the utility model, the device can effectively prevent the influence of the excess lines on the use of the device by the setting of the folding and unfolding assembly, the electrical contact plate assembly and the limiting assembly, the distance between the hoisting point dynamic control structure and the empty and heavy box identification device body is controlled, meanwhile, a plurality of lines are wound or released, the length of the lines is flexibly adjusted, the wear caused by the winding of the excessively long lines is avoided, the safety hidden danger is reduced, the adjustment of the lines during the later maintenance is not affected by the length of the lines, the use safety and the maintenance convenience of the device are improved, and the lines are limited by the elastic device after the adjustment of the lines is completed, so that the stability of the lines is maintained. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is a cutaway structure schematic view of the identification device box of the utility model;

[0018] Figure 3 It is a cutaway structure schematic view of the electrical contact plate assembly of the utility model;

[0019] Figure 4 It is a shaft column structure schematic view of the utility model;

[0020] Figure 5 It is a structure schematic view of the A place of the utility model; Figure 4

[0021] Figure 6 It is a cutaway structure schematic view of the top fixed plate of the utility model;

[0022] Figure 7 It is a cutaway structure schematic view of the inner groove plate of the utility model.​

[0023] Fig. 1, the lifting point dynamic control structure;

[0024] 2, empty heavy identification device body; 21, identification device box; 22, installation groove;

[0025] 3, external line;

[0026] 4, receiving and releasing assembly; 41, wire blocking disc; 42, built-in line; 43, shaft column; 44, gear; 45, manual handle; 46, first spring telescopic rod; 47, push plate; 48, hard electrical connector;

[0027] 5, electrical connection plate assembly; 51, wire arranging plate; 52, annular electrical connection piece; 53, inner groove plate; 54, annular groove;

[0028] 6, limiting assembly; 61, top fixing plate; 62, electromagnet; 63, second spring telescopic rod; 64, gear groove plate; 65, magnetic block; 66, shaft fixing block; 67, shaft fixing groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0031] Please refer to Figures 1-7 The present application provides a technical solution:

[0032] The utility model provides a new type variable frequency door crane point motion control and empty heavy box identification device, including hoist point motion control structure 1, empty heavy box identification device body 2 and external connection 3, hoist point motion control structure 1 is electrically connected with external connection 3, and external connection 3 is electrically connected with take -up assembly 4, and take -up assembly 4 is rotatably connected in the inside of empty heavy box identification device body 2, and the inside of empty heavy box identification device body 2 is fixedly connected with electric interface plate assembly 5, and the inside of empty heavy box identification device body 2 is fixedly connected with the limit component 6 close to the upper end of take -up assembly 4, and empty heavy box identification device body 2 includes identification device box 21, and the inside of identification device box 21 is equipped with the accommodation recess 22, and take -up assembly 4 includes the wire baffle 41, and the inside of wire baffle 41 is fixedly connected with the axle column 43, and the inside of axle column 43 is fixedly connected with built -in line 42, and the outside of axle column 43 is fixedly connected with the gear 44, and the left side of axle column 43 is fixedly connected with the manual handle 45, and the right side of axle column 43 is fixedly connected with the first spring telescopic rod 46, and the right end of first spring telescopic rod 46 is fixedly connected with the push plate 47, and the inside of push plate 47 is fixedly connected with hard electric connector 48, and electric interface plate assembly 5 includes the wire arranging plate 51, and one side of wire arranging plate 51 is fixedly connected with annular electric contact piece 52, and one side of wire arranging plate 51 is fixedly connected with inner groove plate 53, and the inside of inner groove plate 53 is equipped with annular recess 54, and external connection 3 is fixed with built -in line 42, and the inside of identification device box 21 is rotatably connected with the outside of axle column 43, and the right end fixed connection of wire arranging plate 51 right side with the accommodation recess 22 of identification device box 21.

[0033] As the further implementation of the scheme, the limit component 6 includes the top fixed plate 61, the top fixed plate 61 bottom end is fixedly connected with the electromagnet 62 and the second spring telescopic rod 63, the second spring telescopic rod 63 bottom end is fixedly connected with the gear slot plate 64, the gear slot plate 64 top end is fixedly connected with the magnetic block 65, the top fixed plate 61 bottom end is fixedly connected with the fixed axle block 66, the fixed axle block 66 inside is equipped with the fixed axle groove 67, through this setting, the self-rotation of the adjusted take -up assembly 4 can be prevented by the limiting of the limit component 6, and the stability of the adjusted line is improved further;

[0034] As the further implementation of the scheme, the inside of identification device box 21 is equipped with the shaft hole close to the axle column 43, the left end of axle column 43 protrudes the left end of identification device box 21, and the manual handle 45 is located at the outside of identification device box 21, through this setting, the effect of limiting when the axle column 43 rotates is played, and the axle column 43 is conveniently operated through the manual handle 45;

[0035] As a further implementation of the present scheme, the number of the line blocking disc 41 is multiple, and the line blocking disc 41 is provided with a spacing, the inner side of the line blocking disc 41 is hollow, the built-in line 42 is installed between the spacing of the line blocking disc 41, and the built-in line 42 protrudes from the right end of the shaft column 43. Through this arrangement, the line blocking disc 41 plays a blocking effect on the built-in line 42, preventing the built-in line 42 from converging together, and improving the orderliness of the arrangement of the built-in line 42;

[0036] As a further implementation of the present scheme, the shaft column 43 is provided with a threading groove near the inner side of the built-in line 42, two bearings are fixed outside the shaft column 43, the shaft column 43 is rotatably connected inside the fixed shaft groove 67 of the fixed shaft block 66 through the bearings, the gear slot plate 64 is provided with a gear slot at the lower end, the gear 44 is engaged with the gear slot of the gear slot plate 64 outside, the number of the hard electrical connector 48 is the same as that of the built-in line 42, the hard electrical connector 48 is in electrical connection with the built-in line 42, the mounting hole is provided on the inner side of the hard electrical connector 48, the hard electrical connector 48 is provided with a plurality of metal extension rods at the right end, the metal extension rods of the hard electrical connector 48 are inserted inside the annular groove 54, the hard electrical connector 48 is in electrical connection with the annular electrical connector 52, the number of the first spring telescopic rod 46 is two, the annular groove 54 is in the shape of a circular ring, the annular electrical connector 52 is installed inside the annular groove 54, the number of the annular electrical connector 52 is the same as that of the metal extension rods of the hard electrical connector 48, the annular electrical connector 52 is in electrical connection with the wiring end inside the identification device box 21 through the electric wire, through this arrangement, the built-in line 42 is in electrical connection with the hard electrical connector 48 through the shaft column 43, and is in electrical connection with the electrical equipment inside the empty and heavy box identification device body 2 through the hard electrical connector 48 and the electrical connector plate assembly 5, providing a reasonable line planning, improving the neatness and orderliness of the line, and facilitating the later maintenance;

[0037] Workflow: when the empty and heavy box identification device body 2 and the lifting point dynamic control structure 1 are electrically connected, prevent the use of the device from affecting the device, first fix the lower end of the external wire 3 with the wiring terminal of the lifting point dynamic control structure 1, the external wire 3 and the built-in line 42 are integrated, according to the distance between the lifting point dynamic control structure 1 and the empty and heavy box identification device body 2, start the electromagnet 62 to magnetically attract the magnetic block 65, under the action of magnetic attraction, the magnetic block 65 drives the gear slot plate 64 to move upwards, the gear slot plate 64 extrudes the second spring telescopic rod 63, the second spring telescopic rod 63 shrinks, the magnetic attraction between the electromagnet 62 and the magnetic block 65 is greater than the sum of the elastic force of the second spring telescopic rod 63, at this time, the gear slot plate 64 and the gear 44 are away from each other, rotating the manual handle 45 drives the shaft column 43 to rotate, the shaft column 43 is rotatably connected in the fixed shaft slot 67 of the fixed shaft block 66, which plays a role in limiting the rotation of the shaft column 43, the shaft column 43 can wind or release the built-in line 42, the built-in line 42 can be blocked by the built-in line 42, preventing the built-in line 42 from converging together, when the shaft column 43 rotates, it drives the two first spring telescopic rods 46 to rotate, the first spring telescopic rod 46 drives the push plate 47 and the hard electrical connector 48 to rotate at the same time, under the action of the elastic force of the first spring telescopic rod 46, the push plate 47 and the hard electrical connector 48 are pushed to move towards the electric connection plate assembly 5, the built-in line 42 is a soft wire, and the built-in line 42 is provided with a certain arc, which does not affect the movement of the push plate 47, under the action of the elastic force of the first spring telescopic rod 46, the metal extension rod of the hard electrical connector 48 can be tightly attached to the annular electrical contact piece 52, so that the metal extension rod of the hard electrical connector 48 and the annular electrical contact piece 52 are in electrical connection, the metal extension rod of the hard electrical connector 48 is in the annular groove 54, which prevents the metal extension rod from contacting, thereby improving the safety in use, when the line adjustment between the lifting point dynamic control structure 1 and the empty and heavy box identification device body 2 is completed, the electromagnet 62 is powered off, under the action of the elastic force of the second spring telescopic rod 63, the gear slot plate 64 moves downward, the teeth at the lower end of the gear slot plate 64 mesh with the outer side of the gear 44, thereby limiting the shaft column 43, realizing the line adjustment between the lifting point dynamic control structure 1 and the empty and heavy box identification device body 2, this adjustment method will not cause wear due to the entanglement of the line, thereby improving the safety in use of the device, and will not affect the difficulty of line adjustment during maintenance.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of variable frequency door crane point operation control and empty and heavy box identification device, comprising a point operation control structure (1), an empty and heavy box identification device body (2) and an external wire (3), characterized in that: The lifting point dynamic control structure (1) is electrically connected with the external wire (3), the external wire (3) is electrically connected with the winding and unwinding assembly (4), the winding and unwinding assembly (4) is rotatably connected to the inner side of the empty and heavy box identification device body (2), the electric connection plate assembly (5) is fixedly connected to the inner side of the empty and heavy box identification device body (2), and the limiting assembly (6) is fixedly connected to the inner side of the empty and heavy box identification device body (2) close to the upper end of the winding and unwinding assembly (4). The empty and heavy box identification device body (2) comprises an identification device box body (21), and the inner side of the identification device box body (21) is provided with a mounting groove (22); the winding and unwinding assembly (4) comprises a wire blocking disc (41), the inner side of the wire blocking disc (41) is fixedly connected with a shaft column (43), the inner side of the shaft column (43) is fixedly connected with an internal circuit (42), the outer side of the shaft column (43) is fixedly connected with a gear (44), the left side of the shaft column (43) is fixedly connected with a manual handle (45), the right side of the shaft column (43) is fixedly connected with a first spring telescopic rod (46), the right end of the first spring telescopic rod (46) is fixedly connected with a push plate (47), the inner side of the push plate (47) is fixedly connected with a hard electrical connector (48), the electric connection plate assembly (5) comprises a wire arranging plate (51), one side of the wire arranging plate (51) is fixedly connected with an annular electrical connector (52), and one side of the wire arranging plate (51) is fixedly connected with an inner groove plate (53). The outer side of the shaft column (43) is rotatably connected to the inner side of the identification device box body (21), and the right side of the wire arranging plate (51) is fixedly connected with the right end of the mounting groove (22) of the identification device box body (21).

2. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 1, characterized in that: The limiting assembly (6) comprises a top fixing plate (61), the bottom end of the top fixing plate (61) is fixedly connected with an electromagnet (62) and a second spring telescopic rod (63), the bottom end of the second spring telescopic rod (63) is fixedly connected with a gear groove plate (64), the top end of the gear groove plate (64) is fixedly connected with a magnetic block (65), the bottom end of the top fixing plate (61) is fixedly connected with a shaft fixing block (66), and the inner side of the shaft fixing block (66) is provided with a shaft fixing groove (67).

3. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 1, characterized in that: The inner side of the identification device box body (21) close to the shaft column (43) is provided with a shaft hole, the left end of the shaft column (43) protrudes from the left end of the identification device box body (21), and the manual handle (45) is located outside the identification device box body (21).

4. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 1, characterized in that: The number of the wire blocking discs (41) is multiple, the wire blocking discs (41) are provided with a spacing, the inner side of the wire blocking disc (41) is hollow, the internal circuit (42) is installed between the spacing of the wire blocking disc (41), and the internal circuit (42) protrudes from the right end of the shaft column (43).

5. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 2, characterized in that: The shaft column (43) is provided with a threading groove near the inner side of the built-in line (42), two bearings are fixed outside the shaft column (43), the shaft column (43) is rotatably connected inside the fixed shaft groove (67) of the fixed shaft block (66) through the bearings, the gear slot plate (64) is provided with a gear slot at the lower end, and the gear (44) is engaged with the gear slot of the gear slot plate (64) outside.

6. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 1, characterized in that: The number of the hard electrical connectors (48) is the same as that of the built-in lines (42), the hard electrical connectors (48) are in electrical connection with the built-in lines (42), the push plate (47) is provided with a mounting hole near the inner side of the hard electrical connector (48), the hard electrical connector (48) is provided with a plurality of metal extension rods at the right end, the metal extension rods of the hard electrical connector (48) are inserted inside the annular groove (54), the hard electrical connector (48) is in electrical connection with the annular electrical connector (52), and the number of the first spring telescopic rods (46) is two.

7. The new frequency conversion door crane point action control and empty and heavy box identification device according to claim 1, characterized in that: The annular groove (54) is in the shape of a circular ring body, the annular electrical connector (52) is installed inside the annular groove (54), the number of the annular electrical connector (52) is the same as that of the metal extension rods of the hard electrical connector (48), and the annular electrical connector (52) is in electrical connection with the wiring end inside the identification device box (21) through the electric wires.