CN214192353U - Tower crane counter weight for balance arm convenient to slidable mounting - Google Patents

Abstract

The utility model discloses a tower crane counter weight for balance arm convenient to slidable mounting, including the balance arm, the slip chamber has been seted up to the inside of balance arm, the roof and the bottom in slip chamber are the opening setting, the inside in slip chamber is provided with the counter weight cover, the inside of counter weight cover is provided with the balancing weight, the both ends of balancing weight extend to the outside of counter weight cover, the both ends in slip chamber are provided with first motor and second motor respectively, the holding port has all been seted up to the both ends lateral wall in slip chamber, the one end of first motor and second motor is located the inside of holding port respectively, and the one end of first motor and second motor and holding port fixed connection, the drive end of first motor and second motor rotates with the inside wall in slip chamber respectively and is connected. The utility model discloses simple structure, the counter weight slidable mounting of being convenient for can carry out automatic adjustment to the position of counter weight according to the actual demand simultaneously, has certain practicality.

Description

Tower crane counter weight for balance arm convenient to slidable mounting

Technical Field

The utility model relates to a tower crane technical field especially relates to a tower crane counter weight for balance arm convenient to slidable mounting.

Background

The tower crane is the most common hoisting equipment in construction sites, also known as tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is an indispensable device on a construction site. The tower crane tip has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope, and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type.

One end of the tower crane needs to be provided with a counterweight so as to keep balance, the existing tower crane counterweight is generally fixedly installed at the rear end of a tower crane boom and cannot slide, and the actual weight of the counterweight block is increased or decreased according to the actual transportation weight range requirement when the articles are lifted so as to ensure balance and be inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a counterweight convenient for sliding installation for a tower crane balance arm.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tower crane balance arm counterweight convenient for sliding installation comprises a counterweight arm, a sliding cavity is arranged inside the counterweight arm, the top wall and the bottom of the sliding cavity are arranged in an opening manner, a counterweight sleeve is arranged inside the sliding cavity, a counterweight block is arranged inside the counterweight sleeve, two ends of the counterweight block extend to the outside of the counterweight sleeve, a first motor and a second motor are respectively arranged at two ends of the sliding cavity, accommodating ports are respectively arranged on the side walls at two ends of the sliding cavity, one ends of the first motor and the second motor are respectively positioned inside the accommodating ports, one ends of the first motor and the second motor are fixedly connected with the accommodating ports, the driving ends of the first motor and the second motor are respectively rotatably connected with the inner side wall of the sliding cavity, a second take-up reel is fixedly sleeved on the outer surface of the first motor, a first take-up reel is fixedly sleeved on the outer surface of the second motor, the outer surfaces of the first take-up and pay-off reel and the second take-up and pay-off reel are wound with two steel wire ropes, two side walls of the balancing weight are fixedly connected with fixing plates, a mounting groove is formed in the upper surface of the balancing weight sleeve, and the fixing plates are located inside the mounting groove.

As a further description of the above technical solution:

the equal fixedly connected with of both sides of counter weight cover supports the slide, the bottom that supports the slide is provided with a plurality of pulleys, two slides, a plurality of have been seted up to the upper surface of counter weight arm pulley and slide sliding connection.

As a further description of the above technical solution:

the sliding cavity is provided with two inner side walls, each of the two inner side walls is provided with a sliding groove, the two outer side walls of the balance weight sleeve are fixedly connected with sliding rails, and the sliding grooves are connected with the sliding rails in a sliding mode.

As a further description of the above technical solution:

and a fixing bolt is arranged between the fixing plate and the mounting groove.

As a further description of the above technical solution:

the first motor and the second motor are both brake motors.

As a further description of the above technical solution:

one ends of the two steel wire ropes are fixedly connected with the outer surfaces of the first take-up and pay-off disc and the second take-up and pay-off disc respectively, and the other ends of the two steel wire ropes are fixedly connected with the middle positions of the two side walls of the counterweight sleeve respectively.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting of drawing drum is received to first motor, second motor, wire rope, first receipts drawing drum, second makes the balancing weight can be according to actual demand automatic adjustment position on the counter weight arm, and it is the biggest when removing to the rearmost end of counter weight arm to lift by crane weight, need not increase and decrease the weight of balancing weight.

2. The utility model discloses a setting of slide, pulley, counter weight cover, fixed plate, fixed slot only need put into the balancing weight cover inside with fixing bolt with fixed plate and fixed slot fixed, can accomplish the counter weight installation, make the installation more convenient and be convenient for the slip of balancing weight.

Drawings

Fig. 1 is an overall schematic view of a counterweight for a tower crane balance arm convenient to slide and mount provided by the utility model;

FIG. 2 is a sectional view of the counterweight for the balance arm of the tower crane, which is convenient for sliding installation;

fig. 3 is the utility model provides a tower crane counterweight for balance arm's side cut-away view convenient to slidable mounting.

Illustration of the drawings:

1. a counterweight arm; 2. a balancing weight; 3. a counterweight sleeve; 4. a first motor; 5. a second motor; 6. a first take-up and pay-off reel; 7. a second take-up and pay-off reel; 8. a wire rope; 9. a slideway; 10. fixing the bolt; 11. supporting the sliding plate; 12. a fixing plate; 13. mounting grooves; 14. a pulley; 15. a chute; 16. a slide rail; 17. an accommodating port; 18. a sliding cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a counterweight for a tower crane balance arm convenient to slide and install comprises a counterweight arm 1, a sliding cavity 18 is formed in the counterweight arm 1, the top wall and the bottom of the sliding cavity 18 are arranged in an opening mode, a counterweight sleeve 3 is arranged in the sliding cavity 18, a counterweight block 2 is arranged in the counterweight sleeve 3, two ends of the counterweight block 2 extend to the outside of the counterweight sleeve 3, a first motor 4 and a second motor 5 are respectively arranged at two ends of the sliding cavity 18, accommodating ports 17 are respectively formed in the side walls of two ends of the sliding cavity 18, one ends of the first motor 4 and one end of the second motor 5 are respectively positioned in the accommodating ports 17, one ends of the first motor 4 and one end of the second motor 5 are fixedly connected with the accommodating ports 17, the driving ends of the first motor 4 and the second motor 5 are respectively rotatably connected with the inner side wall of the sliding cavity 18, a second take-up and pay-off reel 7 is fixedly sleeved on the outer surface of the first motor 4, a first take-up and pay-off reel, first receipts drawing drum 6 and the equal winding of surface of second receipts drawing drum 7 have two wire rope 8, and the equal fixedly connected with fixed plate 12 of both sides wall of balancing weight 2, mounting groove 13 has been seted up to the upper surface of counter weight cover 3, and fixed plate 12 is located the inside of mounting groove 13.

Both sides of the counterweight sleeve 3 are fixedly connected with supporting sliding plates 11, the bottom of each supporting sliding plate 11 is provided with a plurality of pulleys 14, the upper surface of the counterweight arm 1 is provided with two slideways 9, and the pulleys 14 are in sliding connection with the slideways 9, so that the counterweight sleeve 3 and the counterweight block 2 can slide on the counterweight arm 1 conveniently; the two inner side walls of the sliding cavity 18 are both provided with sliding grooves 15, the two outer side walls of the counterweight sleeve 3 are both fixedly connected with sliding rails 16, and the sliding grooves 15 are in sliding connection with the sliding rails 16, so that the sliding stability is improved; a fixing bolt 10 is arranged between the fixing plate 12 and the mounting groove 13, so that the mounting is convenient; the first motor 4 and the second motor 5 are both braking motors, and have a self-locking function to prevent the counterweight block 2 from moving when the suspension arm lifts and carries an object; one end of each of the two steel wire ropes 8 is fixedly connected with the outer surfaces of the first take-up and pay-off disc 6 and the second take-up and pay-off disc 7 respectively, and the other end of each of the two steel wire ropes 8 is fixedly connected with the middle of the two side walls of the counterweight sleeve 3 respectively, so that the counterweight block 2 can be adjusted automatically and conveniently.

The working principle is as follows: during the use, when the position of balancing weight 2 needs to be adjusted, start first motor 4 and second motor 5, make first motor 4 corotation, the second motor 5 reversal, make first receipts drawing drum 6 unwrapping wire, second receipts drawing drum 7 receives the line, and make its wire rope begin 8 to be located tight state at all times, can realize the automatic movement to balancing weight 2 position, make it can slide on balance weight arm 1, when going up needs to install balancing weight 2, hang into inside counter weight cover 3 with balancing weight 2 through the loop wheel machine, make fixed plate 12 be located inside mounting groove 13, carry out preliminary fixing, and through fixing bolt 10 stabilize fixed can.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a tower crane counter weight for balance arm convenient to slidable mounting, includes balance arm (1), its characterized in that: a sliding cavity (18) is formed in the counterweight arm (1), the top wall and the bottom of the sliding cavity (18) are arranged in an opening manner, a counterweight sleeve (3) is arranged in the sliding cavity (18), a counterweight block (2) is arranged in the counterweight sleeve (3), two ends of the counterweight block (2) extend to the outside of the counterweight sleeve (3), a first motor (4) and a second motor (5) are respectively arranged at two ends of the sliding cavity (18), accommodating ports (17) are respectively formed in the side walls of two ends of the sliding cavity (18), one ends of the first motor (4) and the second motor (5) are respectively positioned in the accommodating ports (17), one ends of the first motor (4) and the second motor (5) are fixedly connected with the accommodating ports (17), the driving ends of the first motor (4) and the second motor (5) are respectively rotatably connected with the inner side wall of the sliding cavity (18), the surface mounting of first motor (4) has cup jointed second receipts drawing drum (7), the surface mounting of second motor (5) has cup jointed first receipts drawing drum (6), first receipts drawing drum (6) and the surface of second receipts drawing drum (7) all twine there are two wire rope (8), the equal fixedly connected with fixed plate (12) of both sides wall of balancing weight (2), mounting groove (13) have been seted up to the upper surface of counter weight cover (3), fixed plate (12) are located the inside of mounting groove (13).

2. The tower crane balance arm counterweight convenient to slide mount of claim 1, which is characterized in that: the equal fixedly connected with in both sides of counter weight cover (3) supports slide (11), the bottom that supports slide (11) is provided with a plurality of pulleys (14), two slides (9) have been seted up to the upper surface of counterweight arm (1), and is a plurality of pulley (14) and slide (9) sliding connection.

3. The tower crane balance arm counterweight convenient to slide mount of claim 1, which is characterized in that: sliding grooves (15) are formed in two inner side walls of the sliding cavity (18), sliding rails (16) are fixedly connected to two outer side walls of the counterweight sleeve (3), and the sliding grooves (15) are connected with the sliding rails (16) in a sliding mode.

4. The tower crane balance arm counterweight convenient to slide mount of claim 1, which is characterized in that: and a fixing bolt (10) is arranged between the fixing plate (12) and the mounting groove (13).

5. The tower crane balance arm counterweight convenient to slide mount of claim 1, which is characterized in that: the first motor (4) and the second motor (5) are both brake motors.

6. The tower crane balance arm counterweight convenient to slide mount of claim 1, which is characterized in that: one ends of the two steel wire ropes (8) are fixedly connected with the outer surfaces of the first take-up and pay-off disc (6) and the second take-up and pay-off disc (7) respectively, and the other ends of the two steel wire ropes (8) are fixedly connected with the middle positions of the two side walls of the counterweight sleeve (3) respectively.

Images