CN218145469U

CN218145469U - Crane with overweight warning function

Info

Publication number: CN218145469U
Application number: CN202222533154.XU
Authority: CN
Inventors: 程红卫; 付吉宽; 康玉超
Original assignee: Jining Jiaqing Special Vehicle Group Co ltd
Current assignee: Jining Jiaqing Special Vehicle Group Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-27
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of cranes, in particular to a crane with an overweight warning function, which comprises two symmetrically arranged support columns, wherein the top surfaces of the support columns are provided with a support frame, the bottom surface of the support frame is provided with a chute, a threaded rod is rotationally arranged in the chute, and a movable frame is arranged on the threaded rod in a threaded manner; a first pulley and a second pulley are arranged in the moving frame, lifting ropes are wound on the first pulley and the second pulley, the bottom end of each lifting rope is connected with a fixed frame, a pressure sensor is arranged in the fixed frame, and a lifting hook is arranged at the bottom end of the fixed frame; a buzzer and a storage battery are arranged in one of the support columns, and a controller is arranged on the front side of the support column. The utility model discloses a pressure when pressure sensor monitors the goods handling to data feedback to the controller that will monitor, when the goods is overloaded, the controller can start bee calling organ and make a sound, is used for reminding operating personnel, thereby prevents that the lifting rope from damaging or splitting because of overloading.

Description

Crane with overweight warning function

Technical Field

The utility model relates to a hoist technical field specifically is a hoist with overweight warning function.

Background

The crane is a hoisting machine, can carry out the promotion of vertical direction and the transport of horizontal direction to the heavy object, and the crane can also be called overhead traveling crane, boat and crane, and the crane can be divided into tire crane, bridge crane, wherein bridge crane application range is widest, the quantity is the most.

The bridge crane generally uses the lifting rope to lift up the article in the use, but the lifting rope easily damages because of the goods overload in the use, leads to the fracture even, seriously threatens the personal safety of goods fixing workman. Therefore, the crane with the overweight warning function is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crane with overweight warning function, including two support columns that are symmetrically arranged, the top surfaces of the support columns are provided with a support frame together, the bottom surface of the support frame is provided with a chute, a threaded rod is arranged in the chute in a rotating way, a movable frame is arranged on the threaded rod in a threaded way, and the movable frame is connected with the chute in a sliding way; a first pulley and a second pulley are arranged in the moving frame, a lifting rope is wound on the first pulley and the second pulley, a fixed frame is fixedly connected to the bottom end of the lifting rope, a pressure sensor is arranged in the fixed frame, and a lifting hook is arranged at the bottom end of the fixed frame; a buzzer and a storage battery are arranged in one of the support columns, and a controller is arranged on the front side of the support column.

As the utility model discloses a preferred technical scheme, the installation cavity has been seted up to one side of carriage, and installs the fixed setting of one end of the output of motor one and threaded rod in the installation cavity.

As a preferred technical scheme of the utility model, the cavity has been seted up to the bottom that just is located the threaded rod in the carriage, the threaded rod screw thread runs through the carriage.

As a preferred technical scheme of the utility model, pulley one and pulley two pass through the mounting bracket and install in the cavity, and pulley one and pulley two pass through the connecting axle and be connected with the inner wall rotation of cavity.

As an optimal technical scheme of the utility model, still install motor two in the cavity, and the output of motor two sets up with the one end of one of them connecting axle is fixed.

As a preferred technical scheme of the utility model, the bottom of cavity is run through and is seted up the through-hole, the bottom of lifting rope runs through-hole and fixed connection at the top surface of fixed frame.

As a preferred technical scheme of the utility model, the bottom of fixed frame link up and slide in the fixed frame and be provided with the connecting piece, pressure sensor installs in the connecting piece, and fixes being provided with the spring between the top of connecting piece and the interior top surface of fixed frame.

As an optimal technical scheme of the utility model, motor one and motor two are positive reverse motor, and motor one, motor two, pressure sensor, bee calling organ and battery all with controller electric connection.

The utility model has the advantages that: pressure when monitoring goods handling through pressure sensor to data feedback to the controller that will monitor, when the goods is overloaded, the controller can start bee calling organ and make a sound, is used for reminding operating personnel, thereby prevents that the lifting rope from damaging or splitting because of overloading.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a first schematic structural diagram of a crane with an overweight warning function according to the present invention;

fig. 2 is a schematic structural view of a crane with an overweight warning function according to the present invention;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a support column; 2. a support frame; 3. a threaded rod; 4. moving the frame; 5. a first pulley; 6. a second pulley; 7. a second motor; 8. a first motor; 9. a buzzer; 10. a controller; 11. a storage battery; 12. a lifting rope; 13. a fixing frame; 14. a spring; 15. a pressure sensor; 16. a connecting member; 17. and (4) a lifting hook.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1 to 3, the utility model relates to a hoist with overweight warning function, support column 1 including two symmetry settings, the top surface of support column 1 is provided with carriage 2 jointly, and the spout has been seted up to carriage 2's bottom surface, and the spout internal rotation is provided with threaded rod 3, and threaded rod 3 goes up the screw thread and is provided with and remove frame 4, and removes frame 4 and spout sliding connection. The support column 1 supports the support frame 2, and when the threaded rod 3 rotates, the movable frame 4 on the threaded rod can move along the sliding groove.

The installation cavity has been seted up to one side of carriage 2, and installs the fixed setting of one end of the output of motor 8 and threaded rod 3 in the installation cavity. The cavity has been seted up to the bottom that just is located threaded rod 3 in the

carriage

2, and 3 threads of threaded rod run through carriage 2.

When the motor I8 works, the threaded rod 3 can be driven to rotate, so that the movable frame 4 can move. The side of the installation cavity is rotatably provided with a baffle plate, and the baffle plate is provided with air holes for heat dissipation when the motor I8 works.

A pulley I5 and a pulley II 6 are arranged in the movable frame 4, a lifting rope 12 is wound on the pulley I5 and the pulley II 6, and a fixed frame 13 is fixedly connected to the bottom end of the lifting rope 12. The first pulley 5 and the second pulley 6 are installed in the cavity through the installation frame, and the first pulley 5 and the second pulley 6 are connected with the inner wall of the cavity in a rotating mode through the connecting shaft. A second motor 7 is further installed in the cavity, and the output end of the second motor 7 is fixedly arranged with one end of one of the connecting shafts.

When the second motor 7 works, the second motor can drive the connecting shaft fixedly connected with the second motor to rotate, the first pulley 5 and the second pulley 6 are respectively fixedly connected with the connecting shaft, and the pulleys fixedly connected with the first pulley are driven to rotate through the rotation of the connecting shaft, so that the lifting rope 12 wound on the first pulley is wound or unwound, and the lifting rope 12 can drive the other pulley to rotate when rotating. The lifting rope 12 can be wound or unwound, so that the goods can be lifted.

The bottom end of the cavity is provided with a through hole in a penetrating way, and the bottom end of the lifting rope 12 penetrates through the through hole and is fixedly connected to the top surface of the fixed frame 13. A pressure sensor 15 is provided in the fixed frame 13, and a hook 17 is provided at the bottom end of the fixed frame 13. A connector 16 is slidably provided in the fixed frame 13 so as to penetrate the bottom end of the fixed frame 13, a pressure sensor 15 is installed in the connector 16, and a spring 14 is fixedly provided between the top end of the connector 16 and the inner top surface of the fixed frame 13.

The goods are lifted by the lifting hook 17, the fixing frame 13, the lifting hook 17 and the goods are driven to be lifted upwards by winding the lifting rope 12, the pressure sensor 15 detects the pressure of the goods in the lifting process, whether the goods are overloaded or not is judged according to the magnitude of the pressure value, if the goods are not overloaded, the lifting is continued, and if the goods are overloaded, the weight of the goods is reduced until the goods are in a lifting safety range.

The inner wall of the bottom end through part of the fixing frame 13 is provided with a sliding groove, a gap exists between the sliding groove and the bottom surface of the fixing frame 13, the side surface of the connecting piece 16 is fixedly provided with a sliding block, the sliding block is in sliding connection with the sliding groove, the connecting piece 16 is driven to move downwards in the stretching process of the lifting hook 17, and the spring 14 can play a role in limiting and connecting.

A buzzer 9 and a storage battery 11 are arranged in one of the support columns 1, and a controller 10 is arranged on the front surface of the support column 1. The first motor 8 and the second motor 7 are both positive and negative rotating motors, and the first motor 8, the second motor 7, the pressure sensor 15, the buzzer 9 and the storage battery 11 are all electrically connected with the controller 10.

The type of the pressure sensor 15 is MEASU5600, a wireless receiving module and a storage module are arranged inside the controller 10, the wireless receiving module is used for receiving data sent by the pressure sensor 15, the storage module is used for storing a pressure value range suitable for lifting, and whether overload exists is judged by comparing the received data with the stored pressure value. The storage battery 11 is also electrically connected with the buzzer 9 to provide power for the buzzer 9, and when the crane is lifted, if the lifted goods are overloaded, the controller 10 enables the buzzer 9 to work to make a sound for reminding workers.

When the device works, goods are fixed on the lifting hook 17, the second motor 7 is started through the controller 10, the second motor 7 drives the connecting shaft to rotate, so that the pulley is driven to rotate, the lifting rope 12 is wound through the rotation of the pulley, the goods are lifted off the ground through the fixing frame 13 and the lifting hook 17, the second motor 7 stops running, the pressure sensor 15 is stressed to detect the size of a pressure value at the moment and send data to the controller 10, the controller 10 compares the pressure value to judge whether the goods are overloaded, if the goods are not overloaded, the second motor 7 continues to work, and after the goods are lifted to a certain height, the first motor 8 can drive the threaded rod 3 to rotate, so that the moving frame 4 moves, and the horizontal position of the goods is adjusted; if the goods are overloaded, the controller 10 starts the buzzer 9 to make the buzzer sound to remind a worker, the second motor 7 works to enable the lifting rope 12 to be unreeled to the position, on the ground, of the goods, then the goods are lightened until the goods are fully lifted, and therefore the lifting rope 12 is protected, and the lifting rope 12 is prevented from being damaged or broken due to overload.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A crane with an overweight warning function comprises two symmetrically arranged supporting columns (1), and is characterized in that the top surfaces of the supporting columns (1) are provided with a supporting frame (2) together, the bottom surface of the supporting frame (2) is provided with a sliding groove, a threaded rod (3) is rotationally arranged in the sliding groove, a movable frame (4) is arranged on the threaded rod (3) in a threaded manner, and the movable frame (4) is connected with the sliding groove in a sliding manner; a pulley I (5) and a pulley II (6) are arranged in the moving frame (4), a lifting rope (12) is wound on the pulley I (5) and the pulley II (6), a fixed frame (13) is fixedly connected to the bottom end of the lifting rope (12), a pressure sensor (15) is arranged in the fixed frame (13), and a lifting hook (17) is arranged at the bottom end of the fixed frame (13); a buzzer (9) and a storage battery (11) are arranged in one of the support columns (1), and a controller (10) is arranged on the front side of the support column (1).

2. The crane with the overweight warning function as claimed in claim 1, wherein a mounting cavity is formed in one side of the supporting frame (2), and the output end of the motor I (8) mounted in the mounting cavity is fixedly arranged with one end of the threaded rod (3).

3. The crane with the overweight warning function as claimed in claim 2, wherein the supporting frame (2) is provided with a cavity at the bottom of the threaded rod (3), and the threaded rod (3) penetrates through the supporting frame (2) in a threaded manner.

4. The crane with the overweight warning function as claimed in claim 3, wherein the pulley I (5) and the pulley II (6) are installed in the cavity through a mounting frame, and the pulley I (5) and the pulley II (6) are rotatably connected with the inner wall of the cavity through a connecting shaft.

5. The crane with the overweight warning function as claimed in claim 4, wherein a second motor (7) is further installed in the cavity, and an output end of the second motor (7) is fixedly arranged with one end of one of the connecting shafts.

6. The crane with an overweight warning function as claimed in claim 3, wherein the bottom end of the cavity is provided with a through hole, and the bottom end of the lifting rope (12) is fixedly connected to the top surface of the fixed frame (13) through the through hole.

7. A crane with an overweight warning function according to claim 1 characterized in that the bottom end of the fixed frame (13) is through and a connector (16) is arranged in the fixed frame (13) in a sliding way, the pressure sensor (15) is installed in the connector (16), and a spring (14) is fixedly arranged between the top end of the connector (16) and the inner top surface of the fixed frame (13).

8. The crane with the overweight warning function according to claim 5, wherein the first motor (8) and the second motor (7) are both positive and negative rotating motors, and the first motor (8), the second motor (7), the pressure sensor (15), the buzzer (9) and the storage battery (11) are all electrically connected with the controller (10).