CN220201206U - Power supply cable follow-up reversing device of gantry crane - Google Patents

Abstract

The utility model discloses a portal crane power supply cable follow-up reversing device which comprises a fixed seat, wherein the fixed seat comprises a seat plate, two supporting lug plates, two self-lubricating bearings, a baffle plate and a supporting shaft, a plurality of bolt mounting holes are formed in the surface of the seat plate, the two supporting lug plates are welded on the seat plate, the two self-lubricating bearings are respectively arranged on the two supporting lug plates in an interference fit mode, the supporting shaft is rotatably arranged between the two self-lubricating bearings, the baffle plate is connected to two sides of the supporting lug plates and used for limiting circumferential movement of the self-lubricating bearings and the supporting shaft, and the portal crane power supply cable follow-up reversing device also comprises a rotating piece fixedly connected on the supporting shaft. The follow-up reversing device for the power supply cable of the portal crane thoroughly realizes the working conditions of torsion, tearing and the like of the cable in the operation process of hoisting equipment, so that the cable integrally rotates along with the device, the failure rate of the equipment can be effectively reduced, the operation safety is improved, and the operation life of the cable is prolonged.

Description

Power supply cable follow-up reversing device of gantry crane

Technical Field

The utility model belongs to the technical field of power supply cables of gantry crane equipment, and particularly relates to a follow-up reversing device for a power supply cable of a gantry crane.

Background

In the production and operation process of hydropower stations and wharfs, a mobile gantry crane is generally arranged for lifting equipment and materials. However, due to the working requirement, the portal crane needs to be continuously moved back and forth according to the field working requirement so as to adjust the working position. In order to reduce the power supply cable length of gantry crane in reality, people generally can set up the power supply cable joint of gantry crane in the intermediate position of equipment movable range, and every time when gantry crane passes through power supply cable joint position, the direction of travel of cable needs to carry out the diversion and handles, and the pulling force that cable joint body receives is biggest this moment, and phenomenon such as bending over, pulling, friction can appear in switching-over position cable, if fixed and reversing arrangement set up unreasonably, can cause the cable to take place to tear to break in the removal and connect, insulating rubber wearing and tearing, defects such as cable surface crack to reduce the life of cable, appear short circuit and ground fault even. How to ensure the safe and reliable completion of reversing treatment of a power supply cable of a gantry crane in the moving process is a problem to be solved by operation and maintenance personnel of equipment.

At present, the power supply cable of the portal crane is mainly fixed and commutated in a flexible cable pulling mode, such as a steel wire rope or chain structure mode, but the mode can restrict the commutating part of the power supply cable, but the commutating process is that the cable swings greatly, friction can occur between the cable and the ground, so that the insulation of the cable is damaged, and the fixed part in the pulling mode is very easy to cause slipping, bending and cable damage when the crane reciprocates, so that the crane has safety risks in the working and running process.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a follow-up reversing device for a power supply cable of a portal crane, which can realize the fixation and reversing of the power supply cable of the mobile portal crane and the effective protection of a position which is easy to bend.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a gantry crane power supply cable follow-up reversing device, includes the fixing base, the fixing base includes bedplate, two support otic placodes, two self-lubricating bearings, baffle and back shaft, the bedplate surface is provided with a plurality of bolt mounting holes, two the welding of support otic placode is in on the bedplate, two self-lubricating bearings adopts the interference fit mode to install respectively two on the support otic placode, the back shaft rotates to be installed two between the self-lubricating bearings, the baffle is connected the both sides of support otic placode for restrict the circumference removal of self-lubricating bearings and back shaft still includes fixed connection the epaxial rotating member of back.

Preferably, the rotating member comprises a bracket, the bracket comprises two support plates, the two support plates are fixedly connected through a cross beam, and each support plate is provided with a clamping component for clamping the cable.

Preferably, the clamping component comprises a fixing part and a pressing part, the fixing part is integrally formed on the supporting plate, the pressing part is connected with the fixing part through bolts, semi-cylindrical grooves are formed in the matching surfaces of the fixing part and the pressing part, and rubber is sleeved in the grooves.

Preferably, the axes of the grooves of both said clamping members are spatially 90 ° apart.

Preferably, the groove is provided with a plurality of clamping tables in the circumferential direction.

Compared with the prior art, the utility model has the following beneficial effects:

1. the follow-up reversing device for the power supply cable of the portal crane thoroughly realizes the working conditions of torsion, tearing and the like of the cable in the operation process of hoisting equipment, so that the cable integrally rotates along with the device, the failure rate of the equipment can be effectively reduced, the operation safety is improved, and the operation life of the cable is prolonged.

2. The follow-up reversing device for the power supply cable of the gantry crane has the advantages of simple structure, easiness in manufacturing and installation, low cost, reusability and wide application prospect.

Drawings

Fig. 1 is a schematic diagram of an exploded construction of one embodiment of the present utility model.

Fig. 2 is a schematic diagram of an exploded structure of a fixing base according to an embodiment of the present utility model.

Fig. 3 is a schematic view of an exploded construction of a rotor according to an embodiment of the present utility model.

FIG. 4 is a schematic diagram of an embodiment of the present utility model.

In the above figures: 1. a fixing seat; 1-1, a seat board; 1-2, supporting the ear plate; 1-3, self-lubricating bearing; 1-4, baffle plates; 1-5, a supporting shaft; 2. a rotating member; 2-1, a bracket; 2-2, a supporting plate; 2-3, a cross beam; 3. a clamping member; 3-1, a fixing part; 3-2, a compacting part; 3-3, grooves; 3-4, rubber leather; 3-5, clamping table; A. a concrete foundation; B. and (3) a cable.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, as a preferred embodiment of the present utility model, the present embodiment provides a power supply cable follow-up reversing device for a gantry crane, including a fixing base 1, where the fixing base 1 includes a seat plate 1-1, two support lugs 1-2, two self-lubricating bearings 1-3, a baffle plate 1-4, and a support shaft 1-5, a plurality of bolt mounting holes are provided on a surface of the seat plate 1-1, the two support lugs 1-2 are welded on the seat plate 1-1, the two self-lubricating bearings 1-3 are respectively mounted on the two support lugs 1-2 in an interference fit manner, the support shaft 1-5 is rotatably mounted between the two self-lubricating bearings 1-3, the baffle plate 1-4 is connected to two sides of the support lugs 1-2, and is used for limiting circumferential movement of the self-lubricating bearings 1-3 and the support shaft 1-5, so as to ensure safe and reliable reversing of the device, and further includes a rotating member 2 fixedly connected to the support shaft.

In the above embodiment, referring to fig. 1 and 3, the rotating member 2 includes a bracket 2-1, the bracket 2-1 includes two support plates 2-2, the two support plates 2-2 are fixedly connected by a cross beam 2-3, and each support plate 2-2 is provided with a clamping member 3 for clamping a cable.

Specifically, referring to fig. 3, the clamping component 3 includes a fixing portion 3-1 integrally formed on the supporting plate 2-4 and a pressing portion 3-2 bolted to the fixing portion 3-1, the mating surfaces of the fixing portion 3-1 and the pressing portion 3-2 are provided with semi-cylindrical grooves 3-3, rubber sheets 3-4 are sleeved in the grooves 3-3, the rubber sheets 3-4 are installed in the grooves 3-3 in a hot-sleeved manner, and correspond to the outer walls of the cables, protection operation is performed when the cables are fastened, friction force between the cables and cable clamping grooves of the device is increased, and protection rubber sheets with different thicknesses can be selected according to the types of the cables.

In some preferred embodiments, referring to fig. 4, the arrow direction in the drawing indicates the rotation direction of the rotating component 3, in order to make the rotation direction of the cable B coincide with the movement direction of the hoisting device in the operation process, in this embodiment, the axes of the grooves 3-3 of the two clamping components 3 form a 90 ° angle in space, so that when the cable B is arranged, the fixed section of the cable B can be set to be perpendicular to the movement direction of the hoisting device, and the rotation end of the cable B is parallel to the movement direction of the hoisting device, so that the rotation direction of the whole rotating component 2 is parallel to the movement direction of the hoisting device in rotation, and the situation that the cable B is twisted in the operation process and possibly causes abrasion or tearing of the cable protective sleeve is avoided.

In other preferred embodiments, referring to fig. 3, in order to improve the reliability of fixing the cable B, in this embodiment, the groove 3-3 is provided with a plurality of clamping tables 3-5 along the circumferential direction, and the plurality of clamping tables 1-6 enable the rubber sheet 2 to deform in the clamping tables to a certain extent, so that the friction force with the cable B is increased, and the cable B is ensured to be effectively clamped in the fixing seat 1.

In implementation, referring to fig. 4, the fixing seat 1 of the follow-up reversing device for the power supply cable of the gantry crane is firstly installed on the concrete foundation a, then two ends of the cable are respectively fixed and pressed into the two clamping parts 3, when the hoisting equipment moves back and forth, the whole direction of the cable B is driven to change by the rotation of the rotating part 2, and the cable B is completely prevented from being partially twisted in the rotation process, so that slipping, bending and cable damage are avoided, the operation safety is improved, and the operation life of the cable is prolonged.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (5)

1. A portal crane power supply cable follow-up reversing device is characterized in that: including fixing base (1), fixing base (1) include bedplate (1-1), two support otic placode (1-2), two self-lubricating bearing (1-3), baffle (1-4) and back shaft (1-5), bedplate (1-1) surface is provided with a plurality of bolt mounting holes, two support otic placode (1-2) welding is in on bedplate (1-1), two self-lubricating bearing (1-3) adopt interference fit mode to install respectively on two support otic placode (1-2), back shaft (1-5) rotate and install two between self-lubricating bearing (1-3), baffle (1-4) are connected the both sides of support otic placode (1-2) for limiting the circumferential movement of self-lubricating bearing (1-3) and back shaft (1-5), still include fixed connection be in on the back shaft rotating member (2).

2. The gantry crane power cable follow-up reversing device according to claim 1, wherein: the rotating piece (2) comprises a support (2-1), the support (2-1) comprises two support plates, the two support plates are fixedly connected through a cross beam (2-3), and each support plate is provided with a clamping component (3) for clamping a cable.

3. A gantry crane power cable follow-up reversing device according to claim 2, characterized in that: the clamping component (3) comprises a fixing part (3-1) and a compressing part (3-2), wherein the fixing part (3-1) is integrally formed on the supporting plate (2-4), the compressing part (3-2) is connected with the fixing part (3-1) through bolts, semi-cylindrical grooves (3-3) are formed in the matching surfaces of the fixing part (3-1) and the compressing part (3-2), and rubber (3-4) is sleeved in the grooves (3-3).

4. A gantry crane power cable follow-up reversing device according to claim 3, characterized in that: the axes of the grooves (3-3) of the two clamping parts (3) are spatially at an angle of 90 °.

5. A gantry crane power cable follow-up reversing device according to claim 3, characterized in that: the groove (3-3) is provided with a plurality of clamping tables (3-5) in the circumferential direction.