Rotatable hanging beam for portal crane

Abstract

The utility model discloses a rotatable hanging beam for a portal crane, which belongs to the technical field of portal cranes and comprises an upper hanging bracket, two grab bucket mounting seats are fixedly mounted on the upper surface of the upper hanging bracket, a plurality of grab bucket mounting bolts are mounted on the grab bucket mounting seats in a threaded manner, and a first motor is fixedly mounted on the side surface of the upper hanging bracket. A rotating shaft is rotationally mounted in the upper hanging bracket, and an output shaft of the first motor is fixedly connected with one end of the rotating shaft; the upper hanging bracket and the supporting plate are arranged to be matched with the lower hanging bracket for use, the upper hanging bracket and a grab bucket on a portal crane can be installed and used through the grab bucket installation base and grab bucket installation bolts, and lifting of the lower hanging bracket is achieved through a steel wire pull rope; and a bidirectional screw rod in the lower hanging bracket rotates to drive the two hanging plates to move relatively, so that the articles are fixed and clamped, the portal crane can grab, store and use the articles in a narrow range space, and the use universality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to door machine technical field, concretely relates to a rotatable hanging beam for door machine. BACKGROUND

[0002] Door machine is a kind of deformation of bridge crane, is mainly used for the loading and unloading operation of bulk cargo in outdoor freight yard in port.Its metal structure is like door frame, two support legs are installed under the main beam, can directly walk on the track on the ground, and the main beam can have outer cantilever beam at both ends.Door machine has the characteristics of high field utilization rate, large operation range, wide adaptability and strong versatility, and is widely used in port freight yard.

[0003] In the working process of door machine, the article is grabbed by grab bucket, and due to the large volume of grab bucket, there is certain limitation when used in narrow space, and it is inconvenient to grab and store the article in small space, therefore, the utility model provides a rotatable hanging beam for door machine. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a rotatable hanging beam for door machine to solve the problem of the article being grabbed by grab bucket in the working process of door machine, and due to the large volume of grab bucket, there is certain limitation when used in narrow space, and it is inconvenient to grab and store the article in small space.

[0005] To achieve the above object, the utility model provides the following technical scheme: A rotatable hanging beam for door machine, including upper hanger, two grab bucket mounting seats are fixedly installed to the upper surface of upper hanger, a plurality of grab bucket mounting bolts are threadedly installed on the grab bucket mounting seat, motor no.

[0006] The upper hanger can be installed and used with the grab bucket on the door machine through the grab bucket mounting seat and the grab bucket mounting bolt, the lifting of the lower hanger is realized by using the steel wire rope, the rotation of the lower hanger is driven by the motor no.

[0007] In the above scheme, it should be noted that the motor no.

[0008] As a preferred embodiment, a protective sleeve is clamped at the position of the through hole in the lower surface of the upper hanger, and the steel wire rope passes through the protective sleeve.

[0009] The anti-skid sleeve can protect the steel wire rope from friction and wear between the steel wire rope and the inner wall of the through hole, effectively prolonging the service life of the steel wire rope.

[0010] As a preferred implementation form, the side surface of the upper hanger is fixedly installed with a counterweight disc I, the weight of the counterweight disc I matches the weight of the motor I and the counterweight disc I and the motor I are symmetrically arranged, the side surface of the lower hanger is fixedly installed with a counterweight disc II, the weight of the counterweight disc II matches the weight of the motor III and the counterweight disc II and the motor III are symmetrically arranged.

[0011] By the above scheme, the setting of the counterweight disc I and the setting of the counterweight disc II can ensure that the upper hanger and the lower hanger have good horizontal stability and avoid tilting, thereby improving the use stability.

[0012] As a preferred implementation form, the lower surface of the support plate is fixedly installed with a track ring, the upper surface of the lower hanger is fixedly installed with a sliding rail seat, and the sliding rail seat is slidingly installed on the inner wall of the track ring.

[0013] By the above scheme, the track ring and the sliding rail seat are used in cooperation, so that the lower hanger can be further supported, thereby ensuring good structural stability and rotational stability and avoiding shaking.

[0014] As a preferred implementation form, the inner wall of the lower hanger is fixedly installed with a guide rod, and the threaded plate is slidingly installed on the outer surface of the guide rod.

[0015] By the above scheme, when the two-way screw rod rotates to drive the threaded plate to move, the threaded plate will stably slide on the surface of the guide rod, so that the threaded plate can be supported and guided by the setting of the guide rod, thereby improving the movement stability.

[0016] As a preferred implementation form, the side surface of the hanger plate is fixedly installed with a guide strip, and the adjusting frame is slidingly installed on the outer surface of the guide strip.

[0017] By the above scheme, the guide strip is used in cooperation, so that the adjusting frame can be prevented from easily shaking when sliding up and down to adjust the position, thereby improving the movement stability.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The door machine rotatable hanger is used in cooperation with the support plate and the lower hanger, the upper hanger is installed and used with the grab bucket on the door machine through the grab bucket mounting seat and the grab bucket mounting bolt, the lifting of the lower hanger is realized by the steel wire rope, the rotation of the lower hanger is driven by the motor II, the relative movement of the two hanger plates is driven by the two-way screw rod in the lower hanger, the fixed clamping of the articles is realized, and the door machine can realize the grabbing and storage of the articles in the narrow space, thereby improving the use universality.

[0020] The door machine uses the rotatable hanging beam to cooperate with the adjusting frame and the adjusting bolt through the setting pressing plate, can use the pressing plate to cooperate with the hanging plate, further improves the fixed clamping effect stability of the article, guarantees the stability of the article in the transfer process, and improves the function diversity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the upper hanging frame of the utility model;

[0023] Figure 3 It is a structural schematic view of the support plate of the utility model;

[0024] Figure 4 It is a structural schematic view of the lower hanging frame of the utility model;

[0025] Figure 5 It is a structural schematic view of the lower hanging frame section of the utility model.

[0026] In the drawing: 1, upper hanging frame; 2, grab bucket mounting seat; 3, grab bucket mounting bolt; 4, motor one; 5, rotating shaft; 6, winding disc; 7, steel wire rope; 8, support plate; 9, motor two; 10, lower hanging frame; 11, motor three; 12, bidirectional screw rod; 13, threaded plate; 14, connecting plate; 15, hanging plate; 16, pressing plate; 17, adjusting frame; 18, adjusting bolt; 19, protective sleeve; 20, counterweight disc one; 21, track ring; 22, sliding rail seat; 23, counterweight disc two; 24, guide rod; 25, guide strip. DETAILED DESCRIPTION

[0027] Please refer to Figures 1-5The utility model provides a rotatable hanging beam for door machine, including upper hanger 1, the upper surface fixed mounting of upper hanger 1 has two grab bucket mounting seat 2, a plurality of grab bucket mounting bolt 3 are installed on grab bucket mounting seat 2, the side fixed mounting of upper hanger 1 has motor no. 4, the inside rotation of upper hanger 1 is installed with pivot 5, the output shaft of motor no. 4 is fixedly connected with one end of pivot 5, a plurality of winding disc 6 are fixedly installed on the outer surface of pivot 5, the steel wire pull rope 7 is provided on winding disc 6, the bottom end of steel wire pull rope 7 extends to the below of upper hanger 1 and is fixedly installed with support plate 8 through the through hole of the lower surface of upper hanger 1, the upper surface fixed mounting of support plate 8 has motor no. 2 9, the output shaft end of motor no. 2 9 is fixedly installed with lower hanger 10, the side fixed mounting of lower hanger 10 has motor no. 3 11, the inside rotation of lower hanger 10 is installed with two -way screw rod 12, the output shaft of motor no. 3 11 is fixedly connected with two -way screw rod 12, the outer surface of the two sections of threads of two -way screw rod 12 is all installed with screw plate 13, the lower surface fixed mounting of screw plate 13 has connecting plate 14, connecting plate 14 extends out lower hanger 10 and is fixedly installed with hanging plate 15 through the passage of the lower surface of lower hanger 10, the sliding setting of hanging plate 15 has pressing plate 16, the side fixed mounting of pressing plate 16 has adjusting frame 17, adjusting frame 17 is slidably installed on the outer surface of hanging plate 15, adjusting screw bolt 18 is installed on adjusting frame 17, a plurality of adjusting screw grooves are set up on the side of hanging plate 15, and adjusting screw bolt 18 is used in cooperation with adjusting screw groove.

[0028] Through the cooperation of upper hanger 1 and support plate 8 with lower hanger 10, upper hanger 1 can be installed and used with the grab bucket on the door machine through grab bucket mounting seat 2 and grab bucket mounting bolt 3, the lifting of lower hanger 10 is realized by using steel wire pull rope 7, the rotation of lower hanger 10 is driven by using motor no. 2 9, the relative movement of two hanging plates 15 is driven by the rotation of two -way screw rod 12 in lower hanger 10, the fixed clamping of articles is realized, the door machine can realize the grabbing and storage of articles in narrow space, the use universality is improved, the fixed clamping effect stability of articles is further improved by using pressing plate 16 in cooperation with adjusting frame 17 and adjusting screw bolt 18, the stability of articles during transfer can be ensured, and the functional diversity is improved.

[0029] The protective sleeve 19 is clamped at the position of the through hole in the lower surface of upper hanger 1, and the steel wire pull rope 7 passes through the protective sleeve 19, the setting of the anti-skid sleeve can play a protective effect on the steel wire pull rope 7, so as to avoid friction loss between the steel wire pull rope 7 and the inner wall of the through hole, and effectively prolong the service life of the steel wire pull rope 7.

[0030] The side of the upper hanger 1 is fixedly provided with a counterweight disc 20, the weight of the counterweight disc 20 matches the weight of the motor 4, and the counterweight disc 20 and the motor 4 are symmetrically arranged, the side of the lower hanger 10 is fixedly provided with a counterweight disc 23, the weight of the counterweight disc 23 matches the weight of the motor 11, and the counterweight disc 23 and the motor 11 are symmetrically arranged, the arrangement of the counterweight disc 20 and the counterweight disc 23 can ensure that the upper hanger 1 and the lower hanger 10 are horizontally stable, avoid tilting, and improve use stability.

[0031] The lower surface of the support plate 8 is fixedly provided with a track ring 21, the upper surface of the lower hanger 10 is fixedly provided with a sliding rail seat 22, the sliding rail seat 22 is slidingly installed on the inner wall of the track ring 21, and the track ring 21 and the sliding rail seat 22 are used in cooperation, so that the lower hanger 10 can be further supported, good structural stability and rotational stability are ensured, and shaking is avoided.

[0032] The inner wall of the lower hanger 10 is fixedly provided with a guide rod 24, and the threaded plate 13 is slidingly installed on the outer surface of the guide rod 24, when the bidirectional screw rod 12 rotates to drive the threaded plate 13 to move, the threaded plate 13 will stably slide on the surface of the guide rod 24, so that the guide rod 24 can be used to support and guide the threaded plate 13, and the movement stability is improved.

[0033] The side of the hanging plate 15 is fixedly provided with a guide strip 25, and the adjusting frame 17 is slidingly installed on the outer surface of the guide strip 25, so that the guide strip 25 is used in cooperation, the adjusting frame 17 can be prevented from shaking when sliding up and down to adjust the position, and the movement stability is improved.

[0034] In use, the upper hanger 1 and the grab of the door machine are assembled and installed by using the grab mounting bolt 3 and the grab mounting seat 2, the grab moves by the door machine, and then the upper hanger 1 moves, the rotation shaft 5 drives the winding disc 6 to rotate in reverse by controlling the forward and reverse rotation of the motor 4, and then the steel wire rope 7 is wound and unwound, so that the lower hanger 10 is lifted by the support plate 8, the motor 11 is started after the lower hanger 10 moves to the position where the article is located between the two hanging plates 15, the bidirectional screw rod 12 rotates, the threaded plate 13 drives the hanging plate 15 to move through the connecting plate 14, the article is clamped by the hanging plate 15, the adjusting bolt 18 is screwed out, the adjusting frame 17 is held to drive the pressing plate 16 to move downward, the pressing plate 16 is pressed on the surface of the article, then the adjusting bolt 18 is screwed in, and then the article is fixed by pressing, then the article is lifted and transferred by controlling the grab of the door machine, and the lower hanger 10 can be rotated by controlling the motor 9, and then the article is rotated.

Claims

1. A rotatable lifting beam for a gantry crane, characterized in that: The system includes an upper hanger (1), on which two grab bucket mounting seats (2) are fixedly installed. Several grab bucket mounting bolts (3) are threaded onto the grab bucket mounting seats (2). A motor (4) is fixedly installed on the side of the upper hanger (1). A rotating shaft (5) is rotatably installed inside the upper hanger (1). The output shaft of the motor (4) is fixedly connected to one end of the rotating shaft (5). Several winding discs (6) are fixedly installed on the outer surface of the rotating shaft (5). A steel wire rope (7) is provided on the winding disc (6). The bottom end of the steel wire rope (7) passes through a through hole opened on the lower surface of the upper hanger (1) and extends to the bottom of the upper hanger (1) and is fixedly installed on a support plate (8). A motor (9) is fixedly installed on the upper surface of the support plate (8). A lower hanger (10) is fixedly installed at the end of the output shaft of the motor (9). A motor (9) is fixedly installed on the side of the lower hanger (10). The motor (11) has a bidirectional screw (12) rotatably mounted inside the lower hanger (10). The output shaft of the motor (11) is fixedly connected to the bidirectional screw (12). Both ends of the outer surface of the bidirectional screw (12) are threaded with threaded plates (13). A connecting plate (14) is fixedly mounted on the lower surface of the threaded plate (13). The connecting plate (14) extends out of the lower hanger (10) through a channel opened on the lower surface of the lower hanger (10) and is fixedly mounted with a hanging plate (15). A pressure plate (16) is slidably mounted on the hanging plate (15). An adjusting bracket (17) is fixedly mounted on the side of the pressure plate (16). The adjusting bracket (17) is slidably mounted on the outer surface of the hanging plate (15). An adjusting bolt (18) is threadedly mounted on the adjusting bracket (17). Several adjusting threaded grooves are opened on the side of the hanging plate (15). The adjusting bolt (18) is used in conjunction with the adjusting threaded grooves.

2. The rotatable lifting beam for a gantry crane according to claim 1, characterized in that: A protective sleeve (19) is fitted at the position of the through hole on the lower surface of the upper hanger (1), and the steel wire rope (7) passes through the protective sleeve (19).

3. The rotatable lifting beam for a gantry crane according to claim 1, characterized in that: A counterweight plate 1 (20) is fixedly installed on the side of the upper hanger (1). The weight of the counterweight plate 1 (20) matches the weight of the motor 1 (4), and the counterweight plate 1 (20) and the motor 1 (4) are arranged symmetrically. A counterweight plate 2 (23) is fixedly installed on the side of the lower hanger (10). The weight of the counterweight plate 2 (23) matches the weight of the motor 3 (11), and the counterweight plate 2 (23) and the motor 3 (11) are arranged symmetrically.

4. The rotatable lifting beam for a gantry crane according to claim 1, characterized in that: A track ring (21) is fixedly installed on the lower surface of the support plate (8), and a slide rail seat (22) is fixedly installed on the upper surface of the lower hanger (10). The slide rail seat (22) is slidably installed on the inner wall of the track ring (21).

5. The rotatable lifting beam for a gantry crane according to claim 1, characterized in that: The lower hanger (10) has a guide rod (24) fixedly installed on its inner wall, and the threaded plate (13) is slidably installed on the outer surface of the guide rod (24).

6. The rotatable lifting beam for a gantry crane according to claim 1, characterized in that: A guide bar (25) is fixedly installed on the side of the hanging plate (15), and the adjusting frame (17) is slidably installed on the outer surface of the guide bar (25).

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