CN210048428U

CN210048428U - Bridge crane with double-brake structure

Info

Publication number: CN210048428U
Application number: CN201921008095.6U
Authority: CN
Inventors: 胡杰; 郭鹏涛; 王全英
Original assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Current assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-02-11
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a bridge crane with double-brake structure, which relates to the field of lifting machinery and aims at the existing problem of potential safety hazard, the following proposal is proposed, comprising a beam, wherein the upper side of the beam is fixedly connected with a motor through a bolt, the output end of the motor is fixedly connected with a transmission shaft through a shaft coupling, the other end of the transmission shaft is fixedly connected with a speed reducer fixedly connected with the beam, the output end of the speed reducer is fixedly connected with a rotating shaft, one side of the speed reducer is fixedly connected with a brake positioned on the outer wall of the rotating shaft through a bolt, the outer wall of the rotating shaft is fixedly sleeved with a reel, two ends of the reel are provided with a support frame fixedly connected with the beam, the utility model has simple structure and convenient use, can well complete the hoisting work, and simultaneously ensure the safety of heavy objects when, thereby ensuring the safety of hoisting personnel.

Description

Bridge crane with double-brake structure

Technical Field

The utility model relates to a lifting apparatus field especially relates to a bridge crane with two braking structures.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting device on the traveling trolley on the bridge crane is generally provided with a brake device in real-time production life, and although the brake device can brake, substances in the lifting device can easily fall off to cause injury under the power failure or other conditions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of bridge crane with two braking structures has solved the problem that has the potential safety hazard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge crane with a double-brake structure comprises a cross beam, wherein the upper side of the cross beam is fixedly connected with a motor through a bolt, the output end of the motor is fixedly connected with a transmission shaft through a coupler, the other end of the transmission shaft is fixedly connected with a speed reducer fixedly connected with the cross beam, the output end of the speed reducer is fixedly connected with a rotating shaft, one side of the speed reducer is fixedly connected with a brake positioned on the outer wall of the rotating shaft through a bolt, the outer wall of the rotating shaft is fixedly sleeved with a reel, two ends of the reel are provided with supporting frames fixedly connected with a cross beam, the support frame is rotationally connected with a rotating shaft through a bearing, one end of the rotating shaft far away from the reel is fixedly sleeved with symmetrically arranged ratchet wheels, one side fixedly connected with pneumatic cylinder of crossbeam, the output fixedly connected with extension rod of pneumatic cylinder, and the fixed welding of the other end of extension rod has the pole that blocks.

Preferably, bolt fixedly connected with controller is passed through to one side of crossbeam, and the controller adopts AFPX0L14R model controller, motor, speed reducer, stopper and pneumatic cylinder all are connected with the controller electricity through the electric wire.

Preferably, the winding wheel is wound with a steel cable, and the other end of the steel cable is fixedly connected with a hook.

Preferably, an air pressure groove is formed in the cross beam, and the output end of the air pressure cylinder and one end of the extension rod are both located in the air pressure groove.

Preferably, one side of the cross beam is fixedly connected with symmetrically arranged limiting plates, and the limiting plates are positioned on two sides of the extension rod.

The utility model provides a beneficial effect:

through the mutually supporting of crossbeam, pneumatic cylinder, extension rod, stop pole, ratchet, rotation axis, reel, stopper, speed reducer, transmission shaft, motor and support frame, the work of completion hoist and mount that can be fine guarantees the safety of the assurance heavy object when the accident takes place simultaneously, and then guarantees hoist and mount personnel's safety.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is a schematic left-side sectional view of the present invention.

Reference numbers in the figures: the device comprises a beam 1, a pneumatic cylinder 2, an extension rod 3, a blocking rod 4, a ratchet wheel 5, a rotating shaft 6, a reel 7, a brake 8, a speed reducer 9, a transmission shaft 10, a motor 11 and a support frame 12.

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.

Referring to the attached drawings 1-2, a bridge crane with a double-brake structure comprises a beam 1, wherein the upper side of the beam 1 is fixedly connected with a motor 11 through bolts, the output end of the motor 11 is fixedly connected with a transmission shaft 10 through a coupler, the other end of the transmission shaft 10 is fixedly connected with a speed reducer 9 fixedly connected with the beam 1, the output end of the speed reducer 9 is fixedly connected with a rotating shaft 6, one side of the speed reducer 9 is fixedly connected with a brake 8 positioned on the outer wall of the rotating shaft 6 through bolts, the outer wall of the rotating shaft 6 is fixedly sleeved with a reel 7, two ends of the reel 7 are provided with support frames 12 fixedly connected with the beam 1, the support frames 12 are rotatably connected with the rotating shaft 6 through bearings, one end of the rotating shaft 6 far away from the reel 7 is fixedly sleeved with symmetrically arranged ratchet wheels 5, one side of, and the fixed welding of the other end of extension rod 3 has stop rod 4, bolt fixedly connected with controller is passed through to one side of crossbeam 1, the controller adopts AFPX0L14R model controller, motor 11, speed reducer 9, stopper 8 and pneumatic cylinder 2 are all connected through electric wire and controller electricity, the winding has the cable wire on the reel 7, the other end fixedly connected with couple of cable wire, be provided with the atmospheric pressure groove in the crossbeam 1, the output of pneumatic cylinder 2 and the one end of extension rod 3 all are located the atmospheric pressure inslot, the limiting plate that one side fixedly connected with symmetry of crossbeam 1 set up, the limiting plate is located the both sides of extension rod 3.

The working principle is as follows: when the lifting device is used, firstly, the cross beam 1 is installed on a moving device of the crane through an external device, then the lifting device works, when the work needs to be decelerated, the motor 11 is controlled to stop working through the controller, the brake 8 brakes the lifting device to pause, and further, a heavy object to be lifted is hung in the air, and meanwhile, the controller controls the pneumatic cylinder 2 to work, so that the output end extends upwards, the extension rod 3 and the blocking rod 4 are driven to move upwards and press against the ratchet wheels 5, the directions of the two ratchet wheels 5 are opposite, further, the rotating shaft 6 is limited by the blocking rod 4 and cannot rotate, the rotating shaft 6 can be fixed after the power failure or the failure of the motor and the like, the operation of the heavy object is ensured, when the specified position is reached, the controller controls the output end of the pneumatic cylinder 2 to be retracted, and further the limitation is relieved, the lifting device has a simple structure, convenient to use, the work of completion hoist and mount that can be fine guarantees the safety of the assurance heavy object when the accident takes place simultaneously, and then guarantees the safety of hoisting personnel.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The bridge crane with the double-brake structure comprises a cross beam (1) and is characterized in that a motor (11) is fixedly connected to the upper side of the cross beam (1) through bolts, the output end of the motor (11) is fixedly connected with a transmission shaft (10) through a coupler, the other end of the transmission shaft (10) is fixedly connected with a speed reducer (9) fixedly connected with the cross beam (1), the output end of the speed reducer (9) is fixedly connected with a rotating shaft (6), a brake (8) located on the outer wall of the rotating shaft (6) is fixedly connected to one side of the speed reducer (9) through bolts, a reel (7) is fixedly sleeved on the outer wall of the rotating shaft (6), support frames (12) fixedly connected with the cross beam (1) are arranged at two ends of the reel (7), and the support frames (12) are rotatably connected with the rotating, fixed cover of one end of keeping away from reel (7) in rotation axis (6) has connect ratchet (5) that the symmetry set up, one side fixedly connected with pneumatic cylinder (2) of crossbeam (1), the output fixedly connected with extension rod (3) of pneumatic cylinder (2), and the other end fixed welding of extension rod (3) has and blocks pole (4).

2. The bridge crane with the double-brake structure as claimed in claim 1, wherein a controller is fixedly connected to one side of the beam (1) through bolts, the controller is an AFPX0L14R type controller, and the motor (11), the reducer (9), the brake (8) and the pneumatic cylinder (2) are electrically connected with the controller through electric wires.

3. Bridge crane with dual braking architecture according to claim 1, characterized in that the reel (7) is wound with a steel rope, the other end of which is fixedly connected with a hook.

4. Bridge crane with double braking structure according to claim 1, characterized in that the cross beam (1) is provided with a pneumatic groove, and the output end of the pneumatic cylinder (2) and one end of the extension rod (3) are located in the pneumatic groove.

5. Bridge crane with double braking structure according to claim 1, characterized in that the beam (1) is fixedly connected with symmetrically arranged limiting plates on one side, which are located on both sides of the extension rod (3).