High-stability bridge crane

Abstract

The utility model discloses a high-stability bridge crane and relates to the technical field of cranes. The high-stability bridge crane comprises a cross beam, reinforcing frameworks, a walking frame, a walking assembly, a movable lifting frame, a matching wheel set and a bottom frame assembly, the reinforcing frameworks are welded to the cross beam, the movable lifting frame moves along the cross beam through the matching wheel set, and the bottom frame assembly is installed at the bottom end of the movable lifting frame and comprises a steering motor, a main frame, a side frame and a tensile plate. A steering motor is installed at the bottom end of the movable lifting frame, the output end of the steering motor is connected with the main frame, a side frame is connected to the side end of the main frame, and a plurality of tensile plates are connected to the bottom end of the side frame. The bottom frame assembly is arranged at the bottom end of the movable hoisting frame, the main frame is controlled to rotate through the steering motor, the side frame synchronously connected with the main frame rotates along with the main frame, the tensile plate at the bottom end of the side frame can assist steel cables and the like in dispersing concentrated stress of hoisted heavy objects, the service life is indirectly prolonged, and the overall stability of the equipment structure is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoist, more specifically to high stability bridge crane. BACKGROUND

[0002] The bridge crane is the hoisting equipment that is transverse to the workshop, warehouse and material yard and carries out material hoisting. Since its two ends are located on the high cement column or metal support, the shape is similar to the bridge, the bridge of the bridge crane runs along the track laid on the high rack on both sides, can fully utilize the space under the bridge to hoist the material, is not hindered by the ground equipment, it is the most widely used and the most numerous hoisting machinery.

[0003] The traditional mobile lifting frame is mostly single-wheel structure, and the stability of the mobile lifting frame is poor, based on this, the inventor studies and proposes the case. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a high stability bridge crane.

[0005] The utility model discloses a high stability bridge crane to realize the following technical scheme in order to achieve the above-mentioned purpose:

[0006] A high stability bridge crane, including crossbeam, reinforcing framework, walking frame, walking assembly, mobile lifting frame, cooperation wheel group, underframe assembly, a plurality of reinforcing frameworks are welded on the crossbeam, and walking frame is locked and is installed on the both sides of crossbeam, and walking assembly is arranged on walking frame, and mobile lifting frame is displaced along the crossbeam through cooperation wheel group, and underframe assembly is installed at the bottom end of mobile lifting frame, and underframe assembly includes steering motor, main frame, side frame, anti-tension plate, and steering motor is installed at the bottom end of mobile lifting frame, and the output end of steering motor is connected with main frame, and the side end of main frame is connected and installs side frame, and a plurality of anti-tension plates are connected and installed at the bottom end of side frame.

[0007] A preferred technical scheme: walking assembly includes walking motor, walking wheel, and walking motor drives walking wheel to rotate, and walking motor is locked and is installed on walking frame.

[0008] A preferred technical scheme: cooperation wheel group includes first wheel body, second wheel body, third wheel body, walking surface is set up at the side end of crossbeam, the top surface of first wheel body is contacted with walking surface, the bottom surface of second wheel body is contacted with walking surface, and the side surface of third wheel body is contacted with crossbeam.

[0009] A preferred technical scheme: cooperation wheel group is set up at the four corner points of the top end of mobile lifting frame.

[0010] A preferred technical scheme: lifting hook, lifting cable and winding cable drum are set up on lifting frame, winding cable drum rotates and winds lifting cable, and the tail end of lifting cable is connected with lifting hook.

[0011] A preferred technical solution: the side end of the winding drum is driven by a winding motor.

[0012] A preferred technical solution: the cross beam, the reinforcing framework, the walking frame and the mobile lifting frame are made of carbon steel.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. The utility model discloses a cooperation wheel group, and the cooperation wheel group is composed of at least three wheel bodies, which is beneficial to improving the stability of the mobile lifting frame during movement.

[0015] 2. The utility model discloses a bottom bracket assembly arranged at the bottom end of the mobile lifting frame, which controls the rotation of the main frame through a steering motor, and the side frame connected with the main frame rotates synchronously, and the tensile plate at the bottom end of the side frame can assist the steel cable to disperse the concentrated stress of the hoisted heavy object, thereby indirectly prolonging the service life and ensuring the stability of the overall equipment structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model as a whole.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model from the front view angle.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the utility model from the back view angle.

[0019] Figure 4 It is Figure 2 It is a local enlarged view of A in the figure.

[0020] Figure 5 It is Figure 2 It is a local enlarged view of B in the figure.

[0021] Figure 6 It is Figure 2 It is a local enlarged view of C in the figure.

[0022] Reference signs: 1, cross beam; 11, reinforcing framework; 12, walking surface; 2, walking frame; 21, walking assembly; 211, walking motor; 212, walking wheel; 3, mobile lifting frame; 31, cooperation wheel group; 311, first wheel body; 312, second wheel body; 313, third wheel body; 314, wheel frame; 32, bottom bracket assembly; 321, steering motor; 322, main frame; 323, side frame; 324, tensile plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1 to 6 shown, the embodiment provides a high-stability bridge crane, which comprises a cross beam 1, reinforcing frameworks 11, running frames 2, running assemblies 21, mobile lifting frames 3, matching wheel sets 31, chassis assemblies 32, a plurality of reinforcing frameworks 11 are welded on the cross beam 1, the running frames 2 are fixedly installed on the two sides of the cross beam 1, the running assemblies 21 are arranged on the running frames 2, the mobile lifting frames 3 displace along the cross beam 1 through the matching wheel sets 31, the chassis assemblies 32 are installed at the bottom ends of the mobile lifting frames 3, the chassis assemblies 32 comprise steering motors 321, main frames 322, side frames 323 and anti-tension plates 324, the steering motors 321 are installed at the bottom ends of the mobile lifting frames 3, the output ends of the steering motors 321 are connected with the main frames 322, the side ends of the main frames 322 are connected with the side frames 323, and the anti-tension plates 324 are connected and installed at the bottom ends of the side frames 323.

[0026] Further, the running assembly 21 comprises a running motor 211 and running wheels 212, the running motor 211 drives the running wheels 212 to rotate, and the running motor 211 is fixedly installed on the running frame 2.

[0027] Further, the matching wheel set 31 comprises a first wheel body 311, a second wheel body 312 and a third wheel body 313, the cross beam 1 is provided with a running surface 12, the first wheel body 311 is in contact with the top surface of the running surface 12, the second wheel body 312 is in contact with the bottom surface of the running surface 12, and the third wheel body 313 is in contact with the side surface of the cross beam 1. Specifically, the first wheel body 311, the second wheel body 312 and the third wheel body 313 are all rotatably installed on a wheel frame 314, wherein the rotatable installation means that each wheel body is actively or passively rotatable on the wheel frame 314, and a shaft can be arranged at a corresponding position according to requirements, or a bearing and other common technologies and components can be combined and applied.

[0028] Further, the matching wheel set 31 is arranged at four corner points of the top end of the mobile lifting frame 3.

[0029] Further, the lifting frame is provided with a lifting hook, a lifting cable and a cable winding drum.

[0030] Further, the side end of the cable winding drum is driven by a cable winding motor.

[0031] Further, the cross beam 1, the reinforcing framework 11, the walking frame 2 and the mobile lifting frame 3 are made of carbon steel.

[0032] In the utility model, the cross beam 1 of the high-stability bridge crane is provided with a plurality of reinforcing frameworks 11 in different directions, which is beneficial to improve the stability of the cross beam 1 structure. The single cooperation wheel set 31 is composed of at least three wheel bodies, which is beneficial to improve the stability of the mobile lifting frame 3 during movement. The bottom frame assembly 32 at the bottom end of the mobile lifting frame 3 is controlled to rotate by the steering motor 321, and the side frame 323 connected with the main frame 322 rotates synchronously. The tensile plate 324 at the bottom end of the side frame 323 can assist the steel cable to disperse the concentrated stress of the lifting load, avoid the problem of local concentrated stress and excessive stress, and indirectly improve the service life and the stability of the overall equipment structure.

Claims

1. A high-stability bridge crane, characterized in that, The utility model provides a kind of movable lifting frame, including crossbeam, reinforcing framework, walking frame, walking component, mobile lifting frame, matching wheel group, underframe component, several reinforcing frameworks are welded on the crossbeam, walking frame is locked and mounted on the both sides of crossbeam, walking component is provided on the walking frame, mobile lifting frame is displaced along crossbeam by matching wheel group, underframe component is installed at the bottom end of mobile lifting frame, and the underframe component includes steering motor, main frame, side frame, tensile plate, steering motor is installed at the bottom end of mobile lifting frame, the output of steering motor is connected with main frame, side frame is connected and installed at the side end of main frame, and several tensile plates are connected and installed at the bottom end of side frame.

2. The high-stability bridge crane according to claim 1, characterized in that The walking component includes walking motor and walking wheel, the walking motor drives the rotation of walking wheel, and the walking motor is locked and mounted on the walking frame.

3. The high-stability bridge crane according to claim 1, characterized in that, The matching wheel group includes first wheel body, second wheel body and third wheel body, walking surface is provided at the side end of crossbeam, the first wheel body is in contact with the top surface of walking surface, the second wheel body is in contact with the bottom surface of walking surface, and the third wheel body is in contact with the side surface of crossbeam.

4. A high-stability bridge crane according to claim 3, characterised in that The matching wheel group is provided at the four corner points of the top end of mobile lifting frame.

5. The high-stability bridge crane according to claim 1, characterized in that, The lifting frame is provided with lifting hook, lifting cable and cable drum, the cable drum is rotated to wind the lifting cable, and the end of lifting cable is connected with lifting hook.

6. A high-stability bridge crane according to claim 5, characterised in that The side end of cable drum is driven by cable motor.

7. The high-stability bridge crane according to claim 1, characterized in that, The crossbeam, reinforcing framework, walking frame and mobile lifting frame are made of carbon steel.

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