CN220182592U - Power supply cable reversing device of gantry crane - Google Patents

Abstract

The utility model discloses a portal crane power supply cable reversing device which comprises a fixed seat, wherein the fixed seat comprises a seat plate, a base, a pressing plate seat and a pressing cover, the surface of the seat plate is provided with a plurality of bolt mounting holes, the base is fixedly connected to the seat plate, the pressing plate seat is connected with the base through bolts, the pressing plate seat and the base are provided with containing grooves for containing cables, rubber is sleeved in the containing grooves, the pressing cover is connected to the top of the pressing plate seat through bolts, and a rotating assembly is further connected between the pressing cover and the pressing plate seat. The portal crane power supply cable reversing device provided by the utility model can effectively reduce equipment failure rate, improves operation safety, has a simple structure, is easy to manufacture and install, has low cost, can be repeatedly used, and has wide application prospects.

Description

Power supply cable 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 power supply cable reversing device 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 at overcoming the defects of the prior art, and provides a portal crane power supply cable reversing device which is used for fixing and reversing a mobile portal crane power supply cable and protecting a position which is easy to bend. Under the coiling traction of gantry crane, the power supply cable can be flexibly and freely commutated when passing through the power connector, and the cable can not bend, rub and slip, meanwhile, the device adopts the design of stainless steel materials, so that the commutating device is not easy to block when being used outdoors for a long time, the service life of the cable at the power connector can be effectively prolonged, and the device has simple structure and is easy to manufacture and install.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a gantry crane power supply cable reversing device, includes the fixing base, the fixing base includes bedplate, base, clamp plate seat and gland, the bedplate surface is provided with a plurality of bolt mounting holes, base fixed connection is in on the bedplate, the clamp plate seat with base bolted connection, the clamp plate seat with the base structure has the holding tank that is used for holding the cable, the holding tank endotheca is equipped with the rubber, gland bolted connection is in the clamp plate seat top, the gland with still be connected with rotation subassembly between the clamp plate seat.

Preferably, the rotating assembly comprises a supporting shaft which is rotatably connected between the gland and the pressure plate seat, the supporting shaft is fixedly connected with the connecting plate, a fixing part for accommodating the cable is formed on one side edge of the connecting plate, the pressing part is connected with the fixing part through a bolt, and the cable is pressed between the pressing part and the fixing part after the pressing part is connected with the fixing part.

Preferably, the receiving groove forms a 90 ° angle with the axis of the pressing portion or the fixing portion in space.

Preferably, the accommodating 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 power supply cable reversing device for the gantry crane can effectively reduce equipment failure rate and improve operation safety.

2. The portal crane power supply cable reversing device provided by the utility model 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 view of a rotating assembly according to one 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, a base; 1-3, a pressing plate seat; 1-4, gland; 1-5, a containing part; 1-6, a clamping table; 2. rubber leather; 3. a rotating assembly; 3-1, a supporting shaft; 3-2, connecting the plates; 3-3, a fixing part; 3-4, a compacting part; 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, there is provided a power supply cable reversing device for a gantry crane, including a fixing base 1, the fixing base 1 includes a seat plate 1-1, a base 1-2, a pressure plate seat 1-3 and a gland 1-4, a plurality of bolt mounting holes are provided on the surface of the seat plate 1-1, the seat plate 1-1 can be mounted on a required concrete foundation a in cooperation with anchor bolts, the base 1-2 is fixedly connected to the seat plate 1-1, the pressure plate seat 1-3 is in bolted connection with the base 1-2, the pressure plate seat 1-3 and the base 1-2 are configured with a receiving groove 1-5 for receiving a cable B, a rubber 2 is thermally sleeved in the receiving groove 1-5 to ensure cable fixing safety, the gland 1-4 is bolted to the top of the pressure plate seat 1-3, and a rotating assembly 3 is further connected between the gland 1-4 and the pressure plate seat 1-3.

In the above embodiment, referring to fig. 1 and 3, the rotating assembly 3 includes a support shaft 3-1 rotatably connected between the gland 1-4 and the platen base 1-3, the support shaft 3-1 is fixedly connected with a connecting plate 3-2, a fixing portion 3-3 for accommodating the cable B is configured on one side of the connecting plate 3-2, a compressing portion 3-4 is connected to the fixing portion 3-3 by a bolt, and after the compressing portion 3-4 is connected with the fixing portion 3-3, the cable is compressed between the compressing portion 3-4 and the fixing portion 3-3.

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 lifting device during the operation, in this embodiment, the accommodating groove 1-5 forms a 90 ° angle with the axis of the pressing portion 3-4 or the fixing portion 3-3 in space, so that when the cable B is arranged, the fixing section of the cable B may be set to be perpendicular to the movement direction of the lifting device, and the rotation end of the cable B is parallel to the movement direction of the lifting device, so that the rotation direction of the rotating component 3 is parallel to the movement direction of the lifting device, and the situation that the cable B may wear or tear due to torsion or the like during the operation is avoided.

In other preferred embodiments, referring to fig. 1, in order to improve the reliability of fixing the cable B, in this embodiment, the accommodating groove 1-5 is provided with a plurality of clamping tables 1-6 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 gantry crane power supply cable reversing device provided by the utility model is firstly installed on a concrete foundation a, then a cable is fixed between the base 1-2 and the pressing plate seat 1-3, and meanwhile, the other end of the cable moving along with hoisting equipment is fixed in the rotating assembly 3, when the hoisting equipment moves back and forth, the rotating assembly 3 rotates to drive the cable B to change the direction, and meanwhile, the other end of the cable B is fixed by the fixing seat 1, so that slipping, bending and cable damage are avoided, and meanwhile, the operation safety is improved.

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 (4)

1. The utility model provides a gantry crane power supply cable switching-over device which characterized in that: including fixing base (1), fixing base (1) include bedplate (1-1), base (1-2), clamp plate seat (1-3) and gland (1-4), bedplate (1-1) surface is provided with a plurality of bolt mounting holes, base (1-2) fixed connection is in on bedplate (1-1), clamp plate seat (1-3) with base (1-2) bolted connection, clamp plate seat (1-3) with base (1-2) are constructed with holding tank (1-5) that are used for holding the cable, holding tank (1-5) endotheca is equipped with rubber (2), gland (1-4) bolted connection is in clamp plate seat (1-3) top, gland (1-4) with still be connected with between clamp plate seat (1-3) and rotate subassembly (3).

2. A gantry crane power cable reversing device according to claim 1, characterized in that: the rotating assembly (3) comprises a supporting shaft (3-1) which is rotationally connected between the gland (1-4) and the pressure plate seat (1-3), the supporting shaft (3-1) is fixedly connected with the connecting plate (3-2), a fixing portion (3-3) for accommodating a cable is formed on one side edge of the connecting plate (3-2), a pressing portion (3-4) is connected to the fixing portion (3-3) through a bolt, and the pressing portion (3-4) is connected with the fixing portion (3-3) and then presses the cable between the pressing portion (3-4) and the fixing portion (3-3).

3. A gantry crane power cable reversing device according to claim 2, characterized in that: the containing groove (1-5) forms an included angle of 90 degrees with the axis of the pressing part (3-4) or the fixing part (3-3) in space.

4. A gantry crane power cable reversing device according to claim 1, characterized in that: the accommodating groove (1-5) is provided with a plurality of clamping tables (1-6) in the circumferential direction.