Narrow-gauge double-beam suspension steel wire rope hoist

Abstract

The utility model relates to a narrow-gauge double-beam suspension steel wire rope hoist which comprises a winding drum set, a lifting hook is arranged below the winding drum set, and the lifting hook is connected with a winding drum in the winding drum set through a steel wire rope. A U-shaped suspension frame is fixedly connected to the upper portion of a rack of the winding drum set, a walking assembly is arranged on the upper portion of the suspension frame and comprises walking beam frames distributed on the two sides of the suspension frame, walking wheels are inserted into the front ends of the walking beam frames respectively and connected to an axle through keys, and the two ends of the axle are connected to the walking beam frames through bearings. An axle at one end of the walking beam frame extends out of the walking beam frame and is connected with a rotating shaft of a walking motor through a gearbox, and the walking beam frame drives the axle to rotate. According to the steel wire rope hoist, the suspension bracket is arranged above the winding drum, the walking frame can be mounted on the suspension bracket, the structure is compact, the steel wire rope hoist can be mounted on double beams of a narrow-gauge crane, and the space utilization rate of the whole hoist is high.

Description

Technical Field:

[0001] The utility model relates to the technical field of electric hoists, and more specifically to a narrow gauge double beam suspended wire rope hoist. Background Art:

[0002] An electric hoist is an important component in lifting. The main body of the electric hoist includes a drum, a wire rope, and a hook. Currently, the drum of the electric hoist is generally fixed above the traveling frame, and the traveling frame is installed on the main beam of the crane, enabling movement on the main beam. However, the traditional electric hoist is generally a saddle-type double beam hoist, and the installed traveling frame is relatively large. Consequently, the traveling frame installed on the main beam of the crane is also relatively large, and it is only applicable to cranes with a relatively wide gauge and not suitable for some double beams of cranes with a narrow gauge, including double beam gantry cranes or traveling with limited structure and space. Therefore, it is necessary to design an electric hoist applicable to narrow gauge cranes. Content of the Utility Model:

[0003] The purpose of the utility model is to address the deficiencies of the existing technology and provide a narrow gauge double beam suspended wire rope hoist. A suspension frame is provided above the drum, and a traveling frame can be installed on the suspension frame. The structure is compact and can be installed on the double beams of narrow gauge cranes, with high space utilization rate of the whole machine.

[0004] The narrow gauge double beam suspended wire rope hoist includes a drum group. A hook is provided below the drum group, and the hook is connected to the drum in the drum group through a wire rope. The upper part of the frame of the drum group is fixedly connected with a "U"-shaped suspension frame. A traveling assembly is arranged on the upper part of the suspension frame. The traveling assembly includes traveling beam frames distributed on both sides of the suspension frame. Traveling wheels are respectively inserted at the front ends of the traveling beam frames. The traveling wheels are connected to the axle through keys, and both ends of the axle are connected to the traveling beam frames through bearings. The axle at one end of the traveling beam frame extends out of the traveling beam frame and is connected to the rotating shaft of the traveling motor through a gearbox, and the traveling beam frame drives the axle to rotate.

[0005] A plurality of connecting shafts are inserted and fixed on the upper part of the suspension frame, and both ends of the connecting shafts extend out of the suspension frame and are inserted and fixed on the traveling beam frames.

[0006] Preferably, the narrow gauge double beam suspended wire rope hoist is arranged on the main beam of the crane. The main beam of the crane is composed of two groups of beam bodies. The suspension frame above the drum group is inserted between the two groups of beam bodies of the main beam of the crane, and the traveling beam frames on the upper part of the suspension frame are respectively arranged on the two groups of beam bodies of the main beam of the crane.

[0007] Preferably, for the traveling wheels, only the tread surface of the wheel is in contact with the track surface on the main beam, and other parts cannot be in contact with the main beam. The position is mainly limited by the wheel flange of the wheel clamping the track.

[0008] Preferably, inlet shaft holes opposite to the axle are formed on the outer walls of the front and rear ends of the walking beam frame. A cover plate covering the inlet shaft hole is provided at the inlet of the inlet shaft hole, and the cover plate is fixed on the outer side wall of the walking beam frame.

[0009] Preferably, a bushing is inserted and fixed on the walking beam frame, and the walking beam frame is inserted into the bushing of the walking beam frame;

[0010] A spacer sleeve is inserted on the connecting shaft between the walking beam frame and the suspension frame. The end of the connecting shaft extends out of the walking beam frame and is inserted and fixed with a locking member, and the locking member is fixedly connected to the outer side wall of the walking beam frame.

[0011] Preferably, the locking member includes an outer positioning ring with an opening facing and being circular arc-shaped. The outer positioning ring is welded and fixed on the outer side wall of the walking beam frame. A circular locking sleeve is inserted into the outer positioning ring. The lower end of the locking sleeve extends out of the opening of the locking sleeve and forms a horizontal ear plate. Studs are inserted at both ends of the ear plate. One end of the stud is fixedly connected to the outer side wall of the walking beam frame, and the other end passes through the ear plate and is screwed with a locking nut;

[0012] A conical tensioning surface is formed on the inner ring of the locking sleeve. A locking ring with a conical outer wall is inserted into the locking sleeve, and the outer wall of the locking ring abuts against the tensioning surface of the locking sleeve; A notch is formed on the locking ring.

[0013] Preferably, the diameter of the inner wall of the outer positioning ring is equal to the diameter of the outer wall of the locking sleeve. The tensioning surface of the locking sleeve and the outer wall of the locking ring are in the same conical surface, and the end face of the locking ring abuts against the walking beam frame.

[0014] Preferably, one end of the spacer sleeve abuts against the walking beam frame, the other end is screwed on the suspension frame, and a nut is screwed on the spacer sleeve, and the nut presses against the suspension frame.

[0015] The beneficial effects of the present utility model are as follows:

[0016] In the present wire rope hoist, a suspension frame is arranged above the drum, and a walking frame can be installed on the suspension frame. The structure is compact and can be installed on the double beams of a narrow-gauge crane, and the space utilization rate of the whole machine is high. Description of the drawings:

[0017] Figure 1 is a front view structural schematic diagram of the present utility model;

[0018] Figure 2 is a side view structural schematic diagram of the present utility model;

[0019] Figure 3 is a three-dimensional structural schematic diagram of the locking member part of the present utility model;

[0020] Figure 4 is a cross-sectional schematic diagram of the locking member part of the present utility model.

[0021] In the figure: 1. Drum group; 2. Suspension bracket; 3. Hook; 4. Connecting shaft; 5. Traveling assembly; 51. Traveling beam frame; 52. Axle; 53. Traveling wheel; 54. Cover plate; 55. Traveling motor; 56. Bushing; 6. Locking part; 61. Outer positioning ring; 62. Locking sleeve; 63. Locking ring; 64. Stud; 65. Locking nut; 7. Spacer sleeve. Specific implementation mode:

[0022] Example: See Figures 1 to 4 As shown, the narrow-gauge double-beam suspended wire rope hoist includes a drum group 1. A hook 3 is provided below the drum group 1, and the hook 3 is connected to the drum inside the drum group 1 through a wire rope; the upper part of the frame of the drum group 1 is fixedly connected with a "U"-shaped suspension bracket 2. A traveling assembly 5 is arranged on the upper part of the suspension bracket 2. The traveling assembly 5 includes traveling beam frames 51 distributed on both sides of the suspension bracket 2. The front ends of the traveling beam frames 51 are respectively inserted with traveling wheels 53. The traveling wheels 53 are connected to the axle 52 by keys, and both ends of the axle 52 are connected to the traveling beam frames 51 through bearings; the axle 52 at one end of the traveling beam frame 51 extends out of the traveling beam frame 51 and is connected to the rotating shaft of the traveling motor 55 through a gearbox, and the traveling beam frame 51 drives the axle 52 to rotate;

[0023] A plurality of connecting shafts 4 are inserted and fixed on the upper part of the suspension bracket 2, and both ends of the connecting shafts 4 extend out of the suspension bracket 2 and are inserted and fixed on the traveling beam frames 51.

[0024] The narrow-gauge double-beam suspended wire rope hoist is arranged on the main beam of the crane. The main beam of the crane is composed of two groups of beam bodies. The suspension bracket 2 above the drum group 1 is inserted between the two groups of beam bodies of the main beam of the crane, and the traveling beam frames 51 on the upper part of the suspension bracket 2 are respectively erected on the two groups of beam bodies of the main beam of the crane.

[0025] The lower ends of the traveling wheels 53 extend out of the traveling beam frames 51 and respectively abut against the upper end surfaces of the main beam of the crane. A limit retaining ring 531 is formed on the outer wall of the traveling wheel 53 close to the suspension bracket 2. The suspension bracket 2 respectively abuts against the inner side walls of the two groups of beam bodies on the main beam, and its limit retaining ring 531 can prevent the traveling wheels 53 from detaching from the main beam of the crane.

[0026] Axle inlet holes opposite to the axle 52 are respectively formed on the outer walls of the front and rear ends of the traveling beam frame 51. A cover plate 54 covering the axle inlet hole is provided at the inlet of the axle inlet hole. The cover plate 54 is fixed on the outer side wall of the traveling beam frame 51, and the cover plate 54 is connected to the traveling beam frame 51 through bolts, which is convenient for the disassembly and assembly of the axle 52.

[0027] A bushing 56 is inserted and fixed on the traveling beam frame 51, and the traveling beam frame 51 is inserted into the bushing 56 of the traveling beam frame 51;

[0028] A spacer sleeve 7 is inserted on the connecting shaft 4 between the walking beam frame 51 and the suspension frame 2. The end of the connecting shaft 4 extends out of the walking beam frame 51 and is inserted and fixed with a locking member 6. The locking member 6 is fixedly connected to the outer side wall of the walking beam frame 51. The distance between the walking assembly 5 and the suspension frame 2 is limited by the spacer sleeve 7, and the walking beam frame 51 is fixedly connected to the connecting shaft 4 through the locking member 6.

[0029] The said locking member 6 includes an outer positioning ring 61 with an opening facing and being circular arc-shaped. The outer positioning ring 61 is welded and fixed to the outer side wall of the walking beam frame 51. A circular locking sleeve 62 is inserted into the outer positioning ring 61. The lower end of the locking sleeve 62 extends out of the opening of the locking sleeve 62 and is formed with a horizontal ear plate 621. Both ends of the ear plate 621 are inserted with stud bolts 64. One end of the stud bolt 64 is fixedly connected to the outer side wall of the walking beam frame 51, and the other end passes through the ear plate 621 and is screwed with a locking nut 65.

[0030] A conical tensioning surface 622 is formed on the inner circle of the locking sleeve 62. A lock ring 63 with a conical outer wall is inserted into the locking sleeve 62. The outer wall of the lock ring 63 abuts against the tensioning surface 622 of the locking sleeve 62. A notch 631 is formed on the said lock ring 63. The above is the structure of the locking member 6. By mainly tightening the locking member 6, the locking sleeve 62 is urged to move. The locking sleeve 62 can compress the lock ring 63 by using the conical surface, so that the lock ring 63 is inserted and fixed on the axle 2, and thus it can be clamped and fixed at any section of the axle 2.

[0031] The diameter of the inner wall of the outer positioning ring 61 is equal to the diameter of the outer wall of the locking sleeve 62. The tensioning surface 622 of the locking sleeve 62 and the outer wall of the lock ring 63 are in the same conical surface. The end face of the lock ring 63 abuts against the walking beam frame 51.

[0032] One end of the spacer sleeve 7 abuts against the walking beam frame 51, and the other end is screwed on the suspension frame 2. A nut is screwed on the spacer sleeve 7, and the nut presses against the suspension frame 2. The position of the spacer sleeve 7 can be adjusted. Matching with the structure of the locking member 6, it is convenient to realize the position adjustment of the walking assembly 5.

[0033] Working principle: This structure is a narrow gauge double-beam suspended wire rope hoist. It mainly sets the drum group 1 on the narrow gauge double-beam suspended wire rope hoist on the lower side of the narrow gauge crane double beams. And a suspension frame 2 is fixedly connected to the upper part of the narrow gauge crane double beams. The suspension frame 2 passes through the crane double beams to install the walking assembly 5, and the walking assembly 5 can be erected on the crane double beams. Its structure is compact and can be applied to narrow gauge cranes.

[0034] The embodiments are used to illustrate the present utility model by way of example and are not intended to limit the present utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present utility model. Therefore, the scope of the protection of the rights of the present utility model shall be as set forth in the claims of the present utility model.

Claims

1. Narrow-gauge double-beam suspended wire rope hoist, comprising a drum set (1), a hook (3) is arranged below the drum set (1), and the hook (3) is connected to the drum inside the drum set (1) through a wire rope; characterized in that: On the upper part of the frame of the drum group (1), a "U"-shaped suspension bracket (2) is fixedly connected. On the upper part of the suspension bracket (2), a traveling assembly (5) is provided. The traveling assembly (5) includes traveling beam frames (51) distributed on both sides of the suspension bracket (2). At the front ends of the traveling beam frames (51), traveling wheels (53) are respectively inserted. The traveling wheels (53) are connected to the axle (52) by keys. Both ends of the axle (52) are connected to the traveling beam frames (51) through bearings; the axle (52) at one end of the traveling beam frame (51) extends out of the traveling beam frame (51) and is connected to the rotating shaft of the traveling motor (55) through a gearbox, and the traveling beam frame (51) drives the axle (52) to rotate; On the upper part of the suspension bracket (2), a number of connecting shafts (4) are inserted and fixed. Both ends of the connecting shafts (4) extend out of the suspension bracket (2) and are inserted and fixed on the traveling beam frames (51).

2. The narrow-gauge double-beam suspended wire rope hoist according to claim 1, characterized in that: The narrow-gauge double-beam suspended wire rope hoist is arranged on the main beam of the crane. The main beam of the crane is composed of two groups of beam bodies. The suspension bracket (2) above the drum group (1) is inserted between the two groups of beam bodies of the main beam of the crane, and the traveling beam frames (51) on the upper part of the suspension bracket (2) are respectively arranged on the two groups of beam bodies of the main beam of the crane.

3. The narrow-gauge double-beam suspended wire rope hoist according to claim 2, characterized in that: The lower ends of the traveling wheels (53) extend out of the traveling beam frames (51) and respectively abut against the upper end surfaces of the main beam of the crane. On the outer wall of the traveling wheel (53) close to the suspension bracket (2), a limiting retaining ring (531) is formed. The suspension bracket (2) respectively abuts against the inner side walls of the two groups of beam bodies on the main beam.

4. The narrow-gauge double-beam suspended wire rope hoist according to claim 1, characterized in that: On the outer walls of the front and rear ends of the traveling beam frame (51), shaft inlet holes opposite to the axle (52) are respectively formed. At the inlet of the shaft inlet hole, a cover plate (54) covering the shaft inlet hole is provided. The cover plate (54) is fixed on the outer side wall of the traveling beam frame (51).

5. The narrow-gauge double-beam suspended wire rope hoist according to claim 1, characterized in that: A bushing (56) is inserted and fixed on the traveling beam frame (51). The traveling beam frame (51) is inserted into the bushing (56) of the traveling beam frame (51); A spacer sleeve (7) is inserted on the connecting shaft (4) between the traveling beam frame (51) and the suspension bracket (2). The end of the connecting shaft (4) extends out of the traveling beam frame (51) and is inserted and fixed with a locking member (6). The locking member (6) is fixedly connected to the outer side wall of the traveling beam frame (51).

6. The narrow-gauge double-beam suspended wire rope hoist according to claim 5, characterized in that: The locking member (6) includes an outer positioning ring (61) with an opening facing and being circular arc-shaped. The outer positioning ring (61) is welded and fixed to the outer side wall of the traveling beam frame (51). A circular locking sleeve (62) is inserted into the outer positioning ring (61). The lower end of the locking sleeve (62) extends out of the opening of the locking sleeve (62) and forms a horizontal ear plate (621). Studs (64) are inserted at both ends of the ear plate (621). One end of the stud (64) is fixedly connected to the outer side wall of the traveling beam frame (51), and the other end passes through the ear plate (621) and is screwed with a locking nut (65); A conical tensioning surface (622) is formed on the inner circle of the locking sleeve (62). A lock ring (63) with a conical outer wall is inserted into the locking sleeve (62). The outer wall of the lock ring (63) abuts against the tensioning surface (622) of the locking sleeve (62); A notch (631) is formed on the lock ring (63).

7. The narrow-gauge double-beam suspended wire rope hoist according to claim 6, characterized in that: The diameter of the inner wall of the outer positioning ring (61) is equal to the diameter of the outer wall of the locking sleeve (62). The tensioning surface (622) of the locking sleeve (62) and the outer wall of the locking ring (63) are within the same conical surface, and the end face of the locking ring (63) abuts against the walking beam frame (51).

8. The narrow-gauge double-beam suspended wire rope hoist according to claim 6, characterized in that: One end of the spacer sleeve (7) abuts against the walking beam frame (51), and the other end is screwed to the suspension bracket (2). A nut is screwed onto the spacer sleeve (7), and the nut presses against the suspension bracket (2).

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