CN210854970U - A connection structure between balance beams on a crane - Google Patents

Abstract

The utility model discloses a connection structure between balance beams on a crane, which comprises a main body, two ends of the bottom of the main body are provided with cavities, and two outer ends of the main body are fixedly provided with placement bins, and the inside of the placement bins is installed A motor is installed on the seat, and a first screw is movably arranged at the top of the cavity through a rotating shaft. The output shaft end of the motor is connected to the rotating shaft where the first screw is located through a coupling. A connecting plate is movably arranged on the outer side of one end of the screw rod through the threaded hole. By adjusting the left and right positions of the two support plates under the main body of the balance beam, the utility model enables the balance beam to adjust the support structure according to the difference of the center of gravity of the goods, so that the balance beam can adapt to the deviation of the different centers of gravity of the goods, and avoids the need for carrying the goods During hoisting, the balance beam is inclined due to the deviation of the center of gravity of the goods, which ensures the use effect of the balance beam.

Description

A connection structure between balance beams on a crane

technical field

The utility model relates to the technical field of cranes, in particular to a connection structure between balance beams on a crane.

Background technique

Crane refers to a multi-action hoisting machine that vertically lifts and horizontally transports heavy objects within a certain range. Also known as overhead crane, aerial crane, crane.

When the existing cranes hoist some heavy or relatively large goods, in order to ensure the smooth progress of the hoisting work, balance beams are often used to ensure the stability of the hoisting mechanism, and to avoid the inclination of the goods due to the excessive weight of the goods and the offset of the center of gravity. In the case of dumping, the balance beam may still be tilted due to the deviation of the center of gravity of the goods depending on the center of gravity of different goods being lifted.

Utility model content

The purpose of the present utility model is to provide a connection structure between the balance beams on the crane, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection structure between balance beams on a crane, comprising a main body, two ends of the bottom of the main body are provided with cavities, and both outer ends of the main body are fixedly provided with storage bins , a motor is installed inside the storage bin through a mounting seat, the top of the cavity is movably provided with a first screw through a rotating shaft, and the output shaft end of the motor is connected to the rotating shaft where the first screw is located through a coupling. A connecting plate is movably arranged inside the cavity through a threaded hole on the outside of one end of the first screw rod, and a sliding rod is fixedly arranged inside the cavity under the first screw rod, and one end of the sliding rod is connected through the installation hole. The bottom end of the connecting plate is fixedly provided with a supporting plate, both ends of the bottom of the supporting plate are provided with hooks, the top of the main body is fixedly provided with a connecting cylinder, and a connecting rod is arranged inside the connecting cylinder, and the The inner bottom end of the connecting cylinder is provided with a mounting mechanism on the outer side of the bottom end of the connecting rod.

Preferably, the installation mechanism includes a second screw rod, an extrusion rod and a limit rod, a second screw rod is movably provided on both sides of the bottom end of the connecting cylinder through threaded holes, and the connecting cylinder is inside the second screw rod. One end is movably provided with an extrusion rod through a bearing, the side of the extrusion rod close to the connecting cylinder is fixedly provided with a limit rod on the side of the second screw rod, and the end of the limit rod away from the extrusion rod passes through the installation hole Connect the barrel.

Preferably, the outer side of the bottom end of the connecting rod is provided with a clamping groove on one side of the extrusion rod.

Preferably, the outer bottom end of the connecting cylinder is fixedly provided with a control handle at one end of the second screw rod.

Preferably, a plurality of ventilation holes are evenly opened on one end surface of the outside of the placing bin.

Preferably, a dust-proof net is provided at one end of each of the vent holes.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By adjusting the left and right positions of the two support plates under the main body of the balance beam, the present invention can adjust the support structure of the balance beam according to the difference of the center of gravity of the goods, so that the balance beam can adapt to different deviations of the center of gravity of the goods, and avoid the need for the balance beam. When the goods are hoisted, the balance beam is inclined due to the deviation of the center of gravity of the goods, which ensures the use effect of the balance beam, and the adjustment in the form of driving the first screw to rotate by the motor is faster and more convenient, which further improves the balance beam structure. Effect.

2. The utility model is also provided with an installation mechanism to complete the connection between the connecting cylinder and the connecting rod of the connecting arm of the crane. When installing the hook on the connecting arm of the crane, the connecting cylinder only needs to be sleeved outside the end of the connecting arm. When the end of the connecting arm is in contact with the main body, the control handle can be rotated to make the second screw rotate, and the squeeze rod limited by the limit rod will move with the rotation of the screw rod. In the middle, the connection between the connecting cylinder and the end of the connecting arm can be completed, so that the installation method of the balance beam is quick and simple, and can be completed without using too many parts, thereby improving the convenience of use of the device and the convenience of the device. Use of balance beams.

Description of drawings

1 is a schematic diagram of the overall structure of the connection structure between the balance beams on a crane of the present invention;

Fig. 2 is the installation view of the connecting cylinder and the connecting rod of the connecting structure between the balance beams on a crane of the present invention;

FIG. 3 is an enlarged view of the connection structure between the balance beams on a crane of the present invention in FIG. 1 .

In the figure: 1. Main body; 2. Cavity; 3. Storage bin; 4. Motor; 5. First screw; 6. Connecting plate; 7. Slide bar; 8. Supporting plate; 9. Hook; 10. Connection barrel; 11, connecting rod; 12, installation mechanism; 13, second screw rod; 14, extrusion rod; 15, limit rod; 16, card slot; 17, control handle; 18, ventilation hole; 19, dustproof net .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a connection structure between the balance beams on the crane, including a main body 1, the bottom ends of the main body 1 are provided with cavities 2, and the outer two sides of the main body 1 are provided with cavities 2. Both ends are fixedly provided with a placement bin 3, a motor 4 is installed inside the placement bin 3 through a mounting seat, a first screw 5 is movably provided at the inner top of the cavity 2 through a rotating shaft, and the output shaft end of the motor 4 passes through. The coupling is drivingly connected to the rotating shaft where the first screw 5 is located. A connecting plate 6 is movably provided inside the cavity 2 through a threaded hole on the outside of one end of the first screw 5. The interior of the cavity 2 is below the first screw 5. Both are fixedly provided with a sliding rod 7, one end of the sliding rod 7 passes through the connecting plate 6 through the mounting hole, the bottom end of the connecting plate 6 is fixedly provided with a supporting plate 8, and both ends of the bottom of the supporting plate 8 are provided with a supporting plate 8. For the hook 9 , a connecting cylinder 10 is fixed on the top of the main body 1 , a connecting rod 11 is provided inside the connecting cylinder 10 , and an installation mechanism 12 is provided at the bottom end of the connecting cylinder 10 outside the bottom end of the connecting rod 11 .

The installation mechanism 12 includes a second screw 13, an extrusion rod 14 and a limit rod 15. The second screw 13 is movably provided on both sides of the bottom end of the connecting cylinder 10 through threaded holes. One end of the second screw rod 13 is movably provided with an extrusion rod 14 through a bearing, and a limit rod 15 is fixedly arranged on the side of the second screw rod 13 on the side of the extrusion rod 14 close to the connecting cylinder 10 , and the limit rod 15 The end away from the extrusion rod 14 passes through the connecting cylinder 10 through the installation hole, and the connection cylinder 10 and the extrusion rod 14 are connected through the installation mechanism 12; There is a card slot 16, and by setting the card slot 16 to engage the extrusion rod 14, the installation effect of the connecting cylinder 10 being connected with the connecting rod 11 through the installation mechanism 12 can be improved; One end is fixedly provided with a control handle 17, and the control handle 17 can facilitate the staff to rotate the second screw 13 when installing the balance beam main body 1; a plurality of ventilation holes 18 are evenly opened on the outer surface of the outer end of the storage bin 3, and the ventilation holes 18 can ensure The heat generated by the motor 4 in the storage bin 3 is dissipated; the inner ends of the several vent holes 18 are provided with a dust-proof net 19 , which can prevent external dust from entering the storage bin 3 .

Working principle: When hoisting the goods through the balance beam structure, the staff lifts the goods through the hook 9, but in specific use, according to the position of the center of gravity of the goods, the staff can make different motors 4 work to make The first screws 5 in different cavities 2 are rotated, and through the rotation of the screws, the moving plate limited by the sliding rod 7 moves along the setting direction of the sliding rod 7, so that the supporting plate 8 is displaced left and right. The left and right positions of the support plates 8 under the balance beam main body 1 can enable the balance beam to adjust the support structure according to the difference in the center of gravity of the goods, so that the balance beam can adapt to different deviations of the center of gravity of the goods, and avoid the problems caused by the goods when the goods are hoisted. The deviation of the center of gravity makes the balance beam inclined, which ensures the use effect of the balance beam, and the adjustment in the form of driving the first screw 5 to rotate by the motor 4 is relatively fast and convenient, which further improves the use effect of the balance beam structure. When the hook is installed on the connecting arm of the crane, it is only necessary to put the connecting cylinder 10 on the outer side of the end of the connecting arm. When the end of the connecting arm is in contact with the main body 1, the control handle 17 can be rotated to make the second screw 13 rotate, and through the The squeeze rod 14 that is limited by the limit rod 15 will move with the rotation of the screw rod. When the squeeze rod 14 is stuck in the slot 16, the connection between the connecting cylinder 10 and the end of the connecting arm can be completed. The installation method of the balance beam is quick and simple, and can be completed without using too many parts, thereby improving the convenience of use of the device and facilitating the use of the balance beam.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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

Claims (6)

1. The utility model provides a connection structure between compensating beam on hoist, includes main part (1), its characterized in that: the cavity (2) is formed in two ends of the bottom of the main body (1), the placing bin (3) is fixedly arranged at two ends of the outer portion of the main body (1), the motor (4) is installed inside the placing bin (3) through a mounting seat, the first screw (5) is movably arranged at the top end of the inner portion of the cavity (2) through a rotating shaft, an output shaft end of the motor (4) is in transmission connection with the rotating shaft where the first screw (5) is located through a shaft coupling, a connecting plate (6) is movably arranged inside the cavity (2) outside one end of the first screw (5) through a threaded hole, a sliding rod (7) is fixedly arranged inside the cavity (2) below the first screw (5), one end of the sliding rod (7) penetrates through the connecting plate (6) through a mounting hole, a supporting plate (8) is fixedly arranged at the bottom end of the connecting plate (6), lifting hooks (9) are arranged at, the connecting cylinder (10) is fixedly arranged at the top of the main body (1), the connecting rod (11) is arranged inside the connecting cylinder (10), and the mounting mechanism (12) is arranged at the bottom end outside the connecting rod (11) at the bottom end inside the connecting cylinder (10).

2. The connecting structure between the balance beams on the crane according to claim 1, characterized in that: installation mechanism (12) include second screw rod (13), extrusion stem (14) and gag lever post (15), the inside bottom both sides of connecting cylinder (10) all are provided with second screw rod (13) through the screw hole activity, the inside one end at second screw rod (13) of connecting cylinder (10) all is provided with extrusion stem (14) through the bearing activity, one side that extrusion stem (14) are close to connecting cylinder (10) is fixed in second screw rod (13) one side and is provided with gag lever post (15), the one end that extrusion stem (14) were kept away from in gag lever post (15) passes connecting cylinder (10) through the mounting hole.

3. The connecting structure between the balance beams on the crane according to claim 2, characterized in that: the outer side of the bottom end of the connecting rod (11) is provided with a clamping groove (16) on one side of the extrusion rod (14).

4. The connecting structure between the balance beams on the crane according to claim 2, characterized in that: and a control handle (17) is fixedly arranged at the bottom end of the outer part of the connecting cylinder (10) at one end of the second screw (13).

5. The connecting structure between the balance beams on the crane according to claim 1, characterized in that: a plurality of vent holes (18) are uniformly formed in the surface of one end of the outer part of the placing bin (3).

6. The connecting structure between the balance beams on the crane according to claim 5, wherein: and one end of the inside of each of the plurality of vent holes (18) is provided with a dust screen (19).

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