CN111891906B

CN111891906B - Hoisting device for gantry crane

Info

Publication number: CN111891906B
Application number: CN202010791577.4A
Authority: CN
Inventors: 吴达君
Original assignee: Shandong Xingyuan Machinery Co ltd
Current assignee: Shandong Xingyuan Machinery Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2022-08-19
Anticipated expiration: 2040-08-07
Also published as: CN111891906A

Abstract

The invention relates to the technical field of cranes, in particular to a hoisting device for a portal crane, which comprises a mounting plate, wherein a traction column is arranged on the surface of the mounting plate, a spring is sleeved outside the traction column, the other end of the traction column is connected to the surface of a rack, a driving motor is arranged inside the rack, a shaft body of the driving motor is in transmission connection with a transmission rod through a coupler, a first bearing is sleeved outside the transmission rod and is arranged in a through hole, the through hole penetrates through the mounting plate and a sleeve, and the sleeve is arranged on the surface of the mounting plate; the beneficial effects are that: according to the hoisting device for the portal crane, the sleeves are additionally arranged on the two groups of mounting plates, the telescopic structures are additionally arranged on the surfaces of the sleeves to drive the inner push plates to be supported and fixed from the inner rings of the steel bar rolls, the steel bar rolls with different diameters can be fixed conveniently due to the telescopic structures, and thus the stability of hoisting the steel bar rolls is high.

Description

Hoisting device for gantry crane

Technical Field

The invention relates to the technical field of cranes, in particular to a hoisting device for a gantry crane.

Background

The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam.

Among the prior art, the reinforcing bar is the consumptive material commonly used during construction, is the dish with the reinforcing bar rolling usually and transports, uses with the help of the equipment of flare-outing to flare-outing the reinforcing bar during the use, because reinforcing bar book weight is big, adopts gantry crane hoist and mount loading usually, but traditional gantry crane bindes reinforcing bar book hoist and mount through the rope, will bind the rope after the loading and demolish, complex operation, the amount of labour is big, and the reinforcing bar book focus that the rope binded is unstable.

Disclosure of Invention

The invention aims to provide a hoisting device for a gantry crane, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hoisting device for a portal crane comprises a mounting plate, wherein a traction column is arranged on the surface of the mounting plate, a spring is sleeved on the outer side of the traction column, the other end of the traction column is connected to the surface of a rack, a driving motor is arranged inside the rack, a shaft body of the driving motor is connected with a transmission rod through a coupling in a transmission manner, a first bearing is sleeved on the outer side of the transmission rod and is installed in an opening, the opening penetrates through the mounting plate and a sleeve, the sleeve is installed on the surface of the mounting plate, a limiting ring is sleeved on the outer side of the transmission rod, a lead screw is arranged at the end part of the transmission rod, a sleeve is sleeved on the outer side of the lead screw, a sliding block is arranged on the outer wall of the sleeve and is connected in a guide groove in a sliding manner, the guide groove is formed in the inner wall of the sleeve, a pulley is arranged on the surface of the sliding block, and a connecting sleeve is sleeved at the end part of the sleeve, the surface of the connecting sleeve is provided with a screw joint which is screwed at the end part of the sleeve, the surface of the connecting sleeve is provided with a battery box, the surface of the battery box is provided with an electromagnet, the surface of the sleeve is provided with a butt joint groove, the inside of the butt joint groove is inserted with a mounting frame, the surface of the mounting frame is provided with a reinforcing connecting plate, the surface of the reinforcing connecting plate is provided with a reinforcing rib plate, the inside of the mounting frame is provided with a hydraulic cylinder, a piston rod of the hydraulic cylinder is fixed on the surface of an inner push plate, the surface of the inner push plate is provided with a damping strip, the surface of the mounting plate is provided with a mounting groove, the inside of the mounting groove is provided with a connecting cylinder, the inside of the connecting cylinder is inserted with a telescopic screw rod, the surface of the telescopic screw rod is provided with a handle rod, the end part of the telescopic screw rod is sleeved with a second bearing, the second bearing is arranged in a bearing groove, and the bearing groove is arranged on the surface of the lifting plate, the surface of the lifting plate is provided with a buckle plate.

Preferably, the traction columns are of an I-shaped circular cylinder structure, the traction columns are provided with a plurality of traction columns, the traction columns are distributed in a square arrangement mode, the transmission rod is of a circular cylinder structure, the number of the first bearings is two, the two first bearings are respectively arranged in the mounting plate and the sleeve, the limiting rings are of circular plate-shaped structures and are respectively arranged at two ends of the transmission rod, and balls are embedded into the surfaces of the limiting rings.

Preferably, the sleeve pipe is the round tube structure, and sheathed tube inner wall is provided with the internal thread, and the slider is square column body structure, and the slider is provided with two, and two sliders are provided with the screw about sleeve pipe symmetric distribution, and the surface of adapter sleeve is provided with the screw, and the screw spiro union is in sheathed tube outer wall behind the screw run through the adapter sleeve.

Preferably, the butt joint groove is square structure, and the butt joint groove is provided with a plurality ofly, and a plurality of butt joint grooves are "ten" font and arrange on telescopic outer wall, consolidates and link the board and be convex platelike structure, consolidates and link the board and be provided with two sets ofly, and two sets of consolidations link the board about the mounting bracket symmetric distribution, and the surface of just consolidating and linking the board is provided with the screw, and the screw runs through and consolidates even board back spiro union on the surface of butt joint groove, and the reinforcing rib plate is right trapezoid platelike structure, and one of them right-angle side of reinforcing rib plate is fixed at the outer wall of mounting bracket.

Preferably, the piston rod end of the hydraulic cylinder is centered on the inner annular surface of the inner push plate, the inner push plate is of a circular arc-shaped plate structure, the damping strips are of a circular arc-shaped structure and are arranged in an equidistant equal size manner along the circular arc shape of the inner push plate.

Preferably, the mounting groove is circular cylinder structure, and the connecting cylinder is "T" font drum structure, and the tip plate body surface of connecting cylinder is provided with the screw, and the spiro union is on the surface of mounting panel behind the tip plate body that the screw runs through the connecting cylinder, and the inner wall of connecting cylinder is provided with the internal thread, and the handle pole is provided with a plurality ofly, and a plurality of handle poles are "ten" font and arrange the distribution.

Preferably, the lifting plate is of a square plate-shaped structure, the lifting plate is arranged in the middle of the outer ring surface of the buckling plate, the buckling plate is of a circular arc-shaped plate-shaped structure, and the buckling plate corresponds to the inner pushing plate one by one.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the hoisting device for the portal crane is characterized in that the two groups of mounting plates are additionally provided with the sleeves, the surfaces of the sleeves are additionally provided with the telescopic structures to drive the inner push plates to be supported and fixed from the inner rings of the steel bar rolls, and the telescopic structures are convenient for fixing the steel bar rolls with different diameters, so that the stability of hoisting the steel bar rolls is high;

2. according to the hoisting device for the portal crane, the sleeve is driven to horizontally move through the lead screw in the sleeve, the end parts of the two groups of sleeves are adsorbed by the electromagnets, so that the connection of the two groups of hoisting structures is realized, and the two mounting plates are distributed on the two sides of the steel bar coil at the moment, so that the side protection of the steel bar coil is realized;

3. according to the hoisting device for the portal crane, the telescopic structure is arranged on the surface of the mounting plate to drive the lifting plate to push the buckling plate to clamp the outer ring surface of the steel bar coil, so that the inner pushing plate is matched with the buckling plate to clamp the steel bar coil, and stable clamping and hoisting of the tightly-fastened coil are realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a sleeve and sleeve connection according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: the device comprises a mounting plate 1, a drawing column 2, a spring 3, a rack 4, a driving motor 5, a transmission rod 6, a first bearing 7, an opening 8, a sleeve 9, a limiting ring 10, a ball 11, a screw rod 12, a sleeve 13, a slide block 14, a guide groove 15, a pulley 16, a connecting sleeve 17, a screw joint 18, a battery box 19, an electromagnet 20, a butt joint groove 21, a mounting frame 22, a reinforcing connecting plate 23, a reinforcing rib plate 24, a hydraulic cylinder 25, an inner push plate 26, a damping strip 27, a mounting groove 28, a connecting cylinder 29, a telescopic screw rod 30, a handle rod 31, a second bearing 32, a bearing groove 33, a lifting plate 34 and a buckle plate 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a hoisting device for a gantry crane comprises a mounting plate 1, a traction column 2 is arranged on the surface of the mounting plate 1, a spring 3 is sleeved on the outer side of the traction column 2, the other end of the traction column 2 is connected to the surface of a rack 4, a driving motor 5 is arranged inside the rack 4, a shaft body of the driving motor 5 is connected with a transmission rod 6 through a coupling transmission mechanism, a first bearing 7 is sleeved on the outer side of the transmission rod 6, the first bearing 7 is arranged in a through hole 8, the through hole 8 penetrates through the mounting plate 1 and a sleeve 9, the sleeve 9 is arranged on the surface of the mounting plate 1, a limiting ring 10 is sleeved on the outer side of the transmission rod 6, the traction column 2 is in an I-shaped circular cylinder structure, the traction columns 2 are arranged in a plurality of numbers, the traction columns 2 are distributed in a square arrangement manner, the transmission rod 6 is in a circular cylinder structure, two first bearings 7 are arranged, the two first bearings 7 are respectively arranged in the mounting plate 1 and the sleeve 9, the limiting rings 10 are of circular plate-shaped structures, two limiting rings 10 are arranged, the two limiting rings 10 are respectively positioned at two ends of the transmission rod 6, and balls 11 are embedded in the surfaces of the limiting rings 10;

the end part of the transmission rod 6 is provided with a screw rod 12, the outer side of the screw rod 12 is sleeved with a sleeve 13, the outer wall of the sleeve 13 is provided with a slide block 14, the slide block 14 is slidably connected in a guide groove 15, the guide groove 15 is formed in the inner wall of the sleeve 9, the surface of the slide block 14 is provided with a pulley 16, the end part of the sleeve 13 is sleeved with a connecting sleeve 17, the sleeve 13 is in a circular tube-shaped structure, the inner wall of the sleeve 13 is provided with internal threads, the slide block 14 is in a square cylinder structure, the two slide blocks 14 are symmetrically distributed relative to the sleeve 13, the surface of the connecting sleeve 17 is provided with a screw, the screw penetrates through the connecting sleeve 17 and then is screwed on the outer wall of the sleeve 13, the surface of the connecting sleeve 17 is provided with a screw joint 18, the screw joint 18 is screwed on the end part of the sleeve 13, the surface of the connecting sleeve 17 is provided with a battery box 19, and the surface of the battery box 19 is provided with an electromagnet 20;

the surface of the sleeve 9 is provided with butt joint grooves 21, an installation frame 22 is inserted into the butt joint grooves 21, the surface of the installation frame 22 is provided with reinforcing connecting plates 23, the surface of each reinforcing connecting plate 23 is provided with reinforcing rib plates 24, each butt joint groove 21 is of a square structure, a plurality of butt joint grooves 21 are arranged on the outer wall of the sleeve 9 in a cross shape, the reinforcing connecting plates 23 are of an arc-shaped plate-shaped structure, two groups of reinforcing connecting plates 23 are arranged, the two groups of reinforcing connecting plates 23 are symmetrically distributed relative to the installation frame 22, screws are arranged on the surfaces of the reinforcing connecting plates 23, the screws penetrate through the reinforcing connecting plates 23 and then are screwed on the surfaces of the butt joint grooves 21, the reinforcing rib plates 24 are of right-angle trapezoidal plate-shaped structures, one right-angle side of each reinforcing rib plate 24 is fixed on the outer wall of the installation frame 22, a hydraulic cylinder 25 is arranged inside the installation frame 22, and a piston rod of the hydraulic cylinder 25 is fixed on the surface of the inner push plate 26, the surface of the inner pushing plate 26 is provided with a damping strip 27, the end part of a piston rod of the hydraulic cylinder 25 is centered on the inner annular surface of the inner pushing plate 26, the inner pushing plate 26 is of an arc-shaped plate structure, the damping strip 27 is of an arc-shaped structure, the damping strips 27 are provided in plurality, and the damping strips 27 are arranged and distributed in equal size along the arc shape of the inner pushing plate 26 at equal intervals;

the surface of the mounting plate 1 is provided with a mounting groove 28, a connecting cylinder 29 is arranged in the mounting groove 28, a telescopic screw 30 is inserted in the connecting cylinder 29, the surface of the telescopic screw 30 is provided with a handle rod 31, the mounting groove 28 is of a circular cylinder structure, the connecting cylinder 29 is of a T-shaped cylinder structure, the surface of the end plate body of the connecting cylinder 29 is provided with a screw, the screw penetrates through the end plate body of the connecting cylinder 29 and is screwed on the surface of the mounting plate 1, the inner wall of the connecting cylinder 29 is provided with internal threads, the handle rods 31 are provided with a plurality of handle rods 31 which are distributed in a cross shape, the end part of the telescopic screw 30 is sleeved with a second bearing 32, the second bearing 32 is arranged in a bearing groove 33, the bearing groove 33 is arranged on the surface of the lifting plate 34, the surface of the lifting plate 34 is provided with a buckling plate 35, the lifting plate 34 is of a square plate-shaped structure, the lifting plate 34 is centered on the outer annular surface of the buckling plate 35, the pinch plate 35 is in a circular arc plate-shaped structure, and the pinch plate 35 corresponds to the inner push plates 26 one by one.

The working principle is as follows: during actual use, the sleeves 9 on the surfaces of the two groups of mounting plates 1 are respectively inserted from two ends of the inner ring of the steel bar roll, the driving motor 5 is started, the driving motor 5 drives the screw rod 12 to rotate through the transmission rod 6, the screw rod 12 is in threaded connection with the sleeve 13, the sleeve 13 is limited by the sliding block 14, the sleeve 13 is inserted in the sleeve 9, and the transmission rod 6 is limited by the two groups of limiting rings 10, so that the screw rod 12 rotates to drive the sleeve 13 to horizontally displace along the sleeve 9, in the process, the sliding block 14 drives the pulley 16 to slide along the guide groove 15 until the electromagnets 20 at the end parts of the two groups of sleeve 13 adsorb, and at the moment, the two groups of mounting plates 1 are distributed on two sides of the steel bar roll to enclose; then, the hydraulic cylinder 25 is started, the hydraulic cylinder 25 pushes the inner push plate 26 to extrude the damping strips 27 to be attached to the inner ring surface of the steel bar coil, then the handle rod 31 is held by hand to screw the telescopic screw 30 into the connecting cylinder 29, the end part of the telescopic screw 30 drives the second bearing 32 to rotate in the bearing groove 33, the lifting plate 34 synchronously lifts along with the telescopic screw 30 until the buckle plate 35 is buckled on the outer ring surface of the steel bar coil, so that the buckle plate 35 is matched with the inner push plate 26 to clamp the steel bar coil, when the lifting plate 34 lifts, the lifting plate 34 is held by hands to avoid swinging of the lifting plate 34, and the multiple groups of buckle plates 35 lift the lifting stability of the steel bar coil corresponding to the multiple groups of inner push plates 26.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist device that gantry crane used, includes mounting panel (1), its characterized in that: the traction device is characterized in that a traction column (2) is arranged on the surface of the mounting plate (1), a spring (3) is sleeved on the outer side of the traction column (2), the other end of the traction column (2) is connected to the surface of the rack (4), a driving motor (5) is arranged inside the rack (4), a shaft body of the driving motor (5) is connected with a transmission rod (6) through a coupler in a transmission manner, a first bearing (7) is sleeved on the outer side of the transmission rod (6), the first bearing (7) is arranged in an opening (8), the opening (8) penetrates through the mounting plate (1) and a sleeve (9), the sleeve (9) is arranged on the surface of the mounting plate (1), a limiting ring (10) is sleeved on the outer side of the transmission rod (6), a lead screw (12) is arranged at the end part of the transmission rod (6), a sleeve (13) is sleeved on the outer side of the lead screw (12), a sliding block (14) is arranged on the outer wall of the sleeve (13), slider (14) sliding connection is in guide way (15), the inner wall at sleeve (9) is seted up in guide way (15), and the surface of slider (14) is provided with pulley (16), and the tip cover of sleeve pipe (13) is equipped with adapter sleeve (17), and the surface of adapter sleeve (17) is provided with screwed joint (18), screwed joint (18) spiro union is at the tip of sleeve pipe (13), the surface of adapter sleeve (17) is provided with battery box (19), the surface of battery box (19) is provided with electro-magnet (20), and butt joint groove (21) have been seted up on the surface of sleeve pipe (9), the inside of butt joint groove (21) is pegged graft and is had mounting bracket (22), the surface of mounting bracket (22) is provided with reinforcement even board (23), the surface of reinforcement even board (23) is provided with reinforcement gusset (24), and the inside of mounting bracket (22) is provided with pneumatic cylinder (25), the surface of push pedal (26) including the piston rod of pneumatic cylinder (25) is fixed, the surface of push pedal (26) is provided with damping strip (27) in, mounting groove (28) have been seted up on the surface of mounting panel (1), the inside of mounting groove (28) is provided with connecting cylinder (29), the inside grafting of connecting cylinder (29) has telescopic screw (30), telescopic screw (30)'s surface is provided with handle pole (31), and the tip cover of telescopic screw (30) is equipped with second bearing (32), install in bearing groove (33) second bearing (32), the surface at lifter plate (34) is seted up in bearing groove (33), the surface of lifter plate (34) is provided with buckle (35).

2. The hoisting device for a gantry crane according to claim 1, wherein: the traction column (2) is of an I-shaped circular cylinder structure, the traction column (2) is provided with a plurality of traction columns, the traction columns (2) are distributed in a square arrangement mode, the transmission rod (6) is of a circular cylinder structure, the first bearings (7) are arranged in two modes, the two first bearings (7) are respectively arranged in the mounting plate (1) and the sleeve (9), the limiting ring (10) is of a circular-ring-shaped plate structure, the limiting ring (10) is provided with two limiting rings, the two limiting rings (10) are respectively arranged at two ends of the transmission rod (6), and balls (11) are embedded in the surface of the limiting ring (10).

3. The hoisting device for a gantry crane according to claim 1, wherein: the sleeve pipe (13) is a round pipe-shaped structure, the inner wall of the sleeve pipe (13) is provided with internal threads, the sliding blocks (14) are square column structures, the two sliding blocks (14) are symmetrically distributed about the sleeve pipe (13), the surface of the connecting sleeve (17) is provided with screws, and the screws penetrate through the connecting sleeve (17) and then are screwed on the outer wall of the sleeve pipe (13).

4. The hoisting device for a gantry crane according to claim 1, wherein: butt joint groove (21) are square structure, butt joint groove (21) are provided with a plurality ofly, a plurality of butt joint grooves (21) are "ten" font and arrange on the outer wall of sleeve (9), consolidate even board (23) and be convex platelike structure, consolidate even board (23) and be provided with two sets ofly, two sets of consolidations link board (23) about mounting bracket (22) symmetric distribution, and consolidate the surface of linking board (23) and be provided with the screw, the screw runs through and consolidates even board (23) back spiro union on the surface of butt joint groove (21), it is right trapezoid platelike structure to consolidate gusset (24), one of them right angle limit of consolidating gusset (24) is fixed at the outer wall of mounting bracket (22).

5. The hoisting device for a gantry crane according to claim 1, wherein: the end part of a piston rod of the hydraulic cylinder (25) is centered on the inner ring surface of the inner push plate (26), the inner push plate (26) is of a circular arc plate-shaped structure, the damping strips (27) are of a circular arc structure, the damping strips (27) are arranged in a plurality, and the damping strips (27) are distributed along the circular arc of the inner push plate (26) at equal intervals.

6. The hoisting device for a gantry crane according to claim 1, wherein: mounting groove (28) are circular cylinder structure, and connecting cylinder (29) are "T" font drum structure, and the tip plate body surface of connecting cylinder (29) is provided with the screw, and the screw passes through the tip plate body rear spiro union of connecting cylinder (29) on the surface of mounting panel (1), and the inner wall of connecting cylinder (29) is provided with the internal thread, and handle pole (31) are provided with a plurality ofly, and a plurality of handle poles (31) are "ten" font and arrange the distribution.

7. The hoisting device for a gantry crane according to claim 1, wherein: the lifting plate (34) is of a square plate-shaped structure, the lifting plate (34) is centered on the outer annular surface of the buckling plate (35), the buckling plate (35) is of a circular arc plate-shaped structure, and the buckling plate (35) corresponds to the inner push plates (26) one to one.