CN220811677U - Hoisting device for tower crane - Google Patents

Abstract

The utility model discloses a hoisting device for a tower crane, which comprises a tower body and a tower arm, wherein a hoisting mechanism is fixedly connected to the tower arm, one side of the tower body is fixedly connected with a balance arm, a through hole is formed in the balance arm, fixed columns with two sides being correspondingly arranged are arranged in the through hole, a counterweight box is connected to the fixed columns in a sliding manner, at least one counterweight block is movably inserted in the counterweight box, at least one spring positioned on the fixed columns is fixedly connected between the counterweight box and the balance arm, a clamping device is fixedly connected to the counterweight box, and moving mechanisms for driving the counterweight box to slide are arranged at two ends of the balance arm. Compared with the prior art, the utility model has the advantages that the weight and the position of the balancing weight can be adjusted according to the weight of the object to be hoisted, so that the arm support is balanced, the stress is uniform, and the safety of workers is ensured.

Description

Hoisting device for tower crane

Technical Field

The utility model relates to the technical field of hoisting of middle cranes, in particular to a hoisting device for a tower crane.

Background

The tower crane is common engineering hoisting mechanical equipment and is also one of the hoisting equipment commonly used in building construction. It is usually composed of a tall metal structure called the tower and a rotatable arm called the boom, wherein a counterweight on one end of the boom is used to increase the stability and load carrying capacity of the crane, balancing the moment created by the crane when lifting the weight. This reduces the risk of capsizing of the crane and provides additional stability, and the counterweight can also increase the load carrying capacity of the crane, enabling it to lift heavier objects.

In the prior art, the tower crane balancing weight is arranged at a fixed position, so that the cantilever crane cannot be kept balanced when a lighter or heavier object is hung, the cantilever crane is unevenly stressed, and the cantilever crane is easy to break or collapse, so that the safety of workers is endangered.

Disclosure of utility model

The technical problem to be solved by the utility model is to overcome the defects, and provide the hoisting device for the tower crane, which can adjust the weight and the position of the balancing weight according to the weight of the hoisted object, so that the arm support is balanced, the stress is uniform, and the safety of workers is ensured.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a hoist device for tower crane, includes tower body, tower arm, fixedly connected with hangs and gets the mechanism on the tower arm, tower body one side fixedly connected with balance arm, be equipped with the through-hole on the balance arm, be equipped with the fixed column that both sides correspond to be arranged in the through-hole, sliding connection has a counter weight box on the fixed column, the activity is pegged graft in the counter weight box has a balancing weight not less than one, fixedly connected with is not less than one between counter weight box and the balance arm is located the spring on the fixed column, fixedly connected with clamping device on the counter weight box, the counter weight both ends all are equipped with the gliding moving mechanism of drive counter weight box.

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

The balance arm on the tower body can balance the weight of the tower arm to hang and get the object, makes the atress even, removes through the mobile mechanism control counter weight box on the balance arm, when utilizing the mechanism of hanging to hang and get the object, can make balance arm and tower arm keep the atress even through the removal of counter weight box and change the balancing weight to prevent that the tower body from collapsing.

As an improvement, clamping device includes the U type pole of fixed connection in counter weight box both sides, the activity is pegged graft on the U type pole has the slide bar, slide bar one end rotates and is connected with the preforming, U type pole one end fixedly connected with drive slide bar removes electric putter, fixed counter weight box prevents the shake.

As an improvement, the moving mechanism comprises winding drums fixedly connected to two ends of the balance arm, one ends of the winding drums are fixedly connected with motors for driving the winding drums to rotate, pull ropes are wound on the winding drums, and one ends of the pull ropes are fixedly connected with the balance weight boxes to enable the balance weight boxes to move.

As improvement, the two sides of the balance arm are provided with anti-skid patterns, so that the fixation is more stable.

As an improvement, a control room is arranged on the tower body, a ladder is arranged in the tower body, and a fixed block is arranged on the bottom surface of the tower bottom, so that the control room can be conveniently accessed.

As an improvement, the tower arm is provided with a balance inductor at one end of the lifting hook, and a controller matched with the balance inductor is arranged in the control chamber, so that whether the stress is uniform or not can be judged.

Drawings

Fig. 1 is a perspective view of a hoisting device for a tower crane according to the present utility model.

Fig. 2 is an exploded view of a hoisting device for a tower crane according to the present utility model.

Fig. 3 is a front view of a counterweight box of a hoisting device for a tower crane.

As shown in the figure: 1. a tower body; 2. a tower arm; 3. a balance arm; 4. a through hole; 5. fixing the column; 6. a counterweight box; 7. a spring; 8. a U-shaped rod; 9. a slide bar; 10. tabletting; 11. an electric push rod; 12. winding up a winding drum; 13. a motor; 14. a pull rope; 15. anti-skid lines; 16. a control room; 17. a ladder; 18. balancing weight; 19. a fixed block; 20. balance inductor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a hoisting device for a tower crane comprises a tower body 1 and a tower arm 2, wherein a hoisting mechanism is fixedly connected to the tower arm 2, a control room 16 is arranged on the tower body 1, a ladder 17 is arranged in the tower body 1, a fixed block 19 is arranged on the bottom surface of the tower body 1, a balance inductor 20 is arranged at one end of the tower arm 2, a controller matched with the balance inductor 20 is arranged in the control room 16, a balance arm 3 is fixedly connected to one side of the tower body 1, anti-skid patterns 15 are arranged on two sides of the balance arm 3, through holes 4 are formed in the balance arm 3, fixing columns 5 which are correspondingly arranged on two sides are arranged in the through holes 4, a weight box 6 is connected to the fixing columns 5 in a sliding manner, a balancing weight 18 which is not less than one is movably inserted in the weight box 6, and a spring 7 which is positioned on the fixing columns 5 is fixedly connected between the weight box 6 and the balance arm 3.

The balance weight box 6 both sides fixedly connected with U type pole 8, the activity is pegged graft on the U type pole 8 has slide bar 9, slide bar 9 one end rotation is connected with preforming 10, the electric putter 11 that U type pole 8 one end fixedly connected with drive slide bar 9 removed, balance arm 3 both ends fixedly connected with rolling section of thick bamboo 12, the equal fixedly connected with drive of rolling section of thick bamboo 12 one end is received reel 12 pivoted motor 13, the last round connection of rolling section of thick bamboo 12 has stay cord 14, stay cord 14 one end and balance weight box 6 fixed connection.

In a specific use, when an object is required to be hung, a worker enters the control room 16 through the ladder 17, the object to be hung moves upwards through the hanging mechanism, at the moment, the balance inductor 20 positioned at one end of the hanging hook 14 on the tower arm 2 can judge whether the stress is uniform, when the stress is uneven, different signals can be generated according to the unbalanced direction of the balance inductor 20, then the signals are transmitted to the controller, then the controller controls the motor 13 positioned on the balance arm 3 to rotate, the motor 13 respectively drives the winding drum 12 positioned on the balance arm 3 to rotate, one end of the winding drum 12 winds the pull rope 14, one end of the winding drum 12 stretches the pull rope 14, the balance box 6 positioned in the through hole 4 moves towards one end of the fixed column 5, the spring 7 positioned between the balance arm 3 and the balance box 6 can play a buffering role, the winding is prevented from being too fast, meanwhile, the electric push rod 11 is started, the electric push rod 9 drives the pressing piece 10 to rotate when the balance position is in the balance position, the electric push rod 9 drives the pressing piece 10 to rotate, the pressing piece 10 is enabled to be connected with the anti-skid groove 15 positioned on the balance arm 3, and the left slide box 6 is prevented from shaking.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a hoist device for tower crane, includes tower body (1), tower arm (2), fixedly connected with hangs and gets mechanism on tower arm (2), its characterized in that: the balance arm is characterized in that one side of the tower body (1) is fixedly connected with the balance arm (3), a through hole (4) is formed in the balance arm (3), fixing columns (5) which are correspondingly arranged on two sides are arranged in the through hole (4), a balance weight box (6) is connected to the fixing columns (5) in a sliding mode, at least one balancing weight (18) is movably inserted into the balance weight box (6), at least one spring (7) which is located on the fixing columns (5) is fixedly connected between the balance weight box (6) and the balance arm (3), clamping devices are fixedly connected to the balance weight box (6), and moving mechanisms for driving the balance weight box (6) to slide are arranged at two ends of the balance arm (3).

2. The hoisting device for a tower crane according to claim 1, wherein: the clamping device comprises U-shaped rods (8) fixedly connected to two sides of the counterweight box (6), sliding rods (9) are movably inserted on the U-shaped rods (8), pressing pieces (10) are rotatably connected to one ends of the sliding rods (9), and electric pushing rods (11) for driving the sliding rods (9) to move are fixedly connected to one ends of the U-shaped rods (8).

3. The hoisting device for a tower crane according to claim 1, wherein: the moving mechanism comprises winding drums (12) fixedly connected to two ends of the balance arm (3), motors (13) for driving the winding drums (12) to rotate are fixedly connected to one ends of the winding drums (12), pull ropes (14) are wound on the winding drums (12), and one ends of the pull ropes (14) are fixedly connected with the balance weight box (6).

4. The hoisting device for a tower crane according to claim 1, wherein: anti-skid patterns (15) are arranged on two sides of the balance arm (3).

5. The hoisting device for a tower crane according to claim 1, wherein: the novel tower is characterized in that a control room (16) is arranged on the tower body (1), a ladder (17) is arranged in the tower body (1), and a fixed block (19) is arranged on the bottom surface of the tower body (1).

6. The hoisting device for a tower crane according to claim 5, wherein: one end of the tower arm (2) is provided with a balance sensor (20), and a controller matched with the balance sensor (20) is arranged in the control room (16).