CN113772546B

CN113772546B - Disc crane lifting device

Info

Publication number: CN113772546B
Application number: CN202111075206.7A
Authority: CN
Inventors: 李忠芳; 乔印虎
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-12-20
Anticipated expiration: 2041-09-14
Also published as: CN113772546A

Abstract

The invention discloses a disk-shaped crane lifting device, which relates to the field of crane lifting protection and comprises a carrying seat arranged on a slide rail, wherein the bottom of the carrying seat is provided with a lifting seat, two sides of the bottom of the carrying seat are fixedly connected with lifting disks, the lifting disks are jointly and rotatably connected with a bearing sleeve, an adjusting screw shaft is arranged in the bearing sleeve, the end part of the adjusting screw shaft is connected with an arc-shaped lifting plate through an adjusting and controlling assembly, the side walls of two sides of the arc-shaped lifting plate are fixedly connected with fixed arc-shaped plates, and a limiting slide plate is slidably connected onto the fixed arc-shaped plates. According to the invention, the lifting auxiliary part consisting of the arc-shaped lifting plate is arranged below the original winding drum, and the arc-shaped lifting plate can reasonably change the inner diameter according to the gravity of goods and the lifting speed, so that the angle between the arc-shaped lifting plate and the winding drum is increased, the arc-shaped lifting plate mainly bears the traction force of a steel wire rope, and the condition that the winding drum fails during high-speed lifting is ensured.

Description

Disc crane lifting device

Technical Field

The invention relates to the technical field of lifting protection of cranes, in particular to a disc-shaped crane lifting device.

Background

The heavy machine mainly comprises a hoisting mechanism, an operating mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like; the hoisting mechanism is a basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system; the running mechanism is used for longitudinally and horizontally moving a heavy object or adjusting the working position of the crane and generally consists of a motor, a reducer, a brake and wheels; the luffing mechanism is only arranged on the jib crane, the amplitude is reduced when the jib crane is lifted up, the amplitude is increased when the jib crane is lifted down, and the luffing mechanism is divided into balanced luffing and unbalanced luffing; the slewing mechanism is used for slewing the arm support and consists of a driving device and a slewing bearing device; the metal structure is the framework of the crane, and the main bearing parts such as a bridge frame, an arm support and a portal frame can be box-shaped structures or truss structures, can also be web structures, and can use section steel as a supporting beam.

The type of crane often used in industry is a gantry crane, which includes a gantry running on one or more rails, a trolley running on the gantry, and a hoist fixed to the trolley for a load, and the current hoist realizes control of the hoisting speed of the hoist mainly by changing the rotation speed of a hoisting motor when performing speed raising, and this way easily causes the winding of a winder when rotating fast, and changing the rotation speed of the motor also causes increase of the linear speed, so that the traction force of a steel wire rope is increased, which affects the service life of the steel wire rope, and the locking of the steel wire rope is realized by self-locking of the hoist, and the safety effect is very poor, and thus a disc-shaped hoist lifting device is proposed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a disc-shaped crane lifting device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a disc hoist hoisting device, is including installing the seat of taking on the slide rail, it is provided with the promotion seat to carry a base bottom, it is provided with the rolling subassembly that rolling wire rope used on the seat to promote, is located rolling subassembly one side it is provided with the reciprocal guide subassembly that is used for guaranteeing the even rolling of steel wire to promote the seat inner wall, it promotes the dish to carry a base both sides fixedly connected with, it bears the sleeve to promote the dish to rotate jointly, it is provided with the regulation lead screw axle in the sleeve to bear, regulation lead screw axle tip is connected with the arc lifting plate through regulation and control subassembly, the equal fixedly connected with fixed arc of arc lifting plate both sides lateral wall, sliding connection has the restriction slide on the fixed arc, restriction slide lateral wall evenly is provided with the ratchet locating part, restriction slide opposite side is provided with the extrusion joint accuse subassembly.

Preferably, the winding assembly comprises a mounting opening arranged on the lifting seat, the inner wall of the mounting opening is rotatably connected with a collecting shaft, the outer side wall of the collecting shaft is fixedly connected with a winding drum, and the side wall of the lifting seat is provided with a driving collecting shaft for rotating a servo motor.

Preferably, the reciprocating guide assembly comprises a guide screw post rotatably connected to the inner wall of the mounting port, the outer side wall of the guide screw post is in threaded connection with a guide ring, and the outer side wall of the guide ring is rotatably connected with a reciprocating I-shaped ring for ensuring that the steel wire is uniformly wound; the guide lead screw post both sides all are provided with the spacing guide post of installation mouth inner wall fixedly connected with, set up the sliding hole that cup joints mutually with spacing guide post on the guide ring.

Preferably, regulation and control subassembly moves the mouth including seting up a plurality of rectangles on bearing the sleeve, it has the nut adjustable ring to adjust lead screw axle lateral wall threaded connection, the nut adjustable ring rotates and is connected with adjusting branch, adjusting branch runs through rectangle and moves mouthful outside extension to rotate with arc lifting plate inner wall and be connected.

Preferably, one side of the bearing sleeve penetrates through the side wall of the lifting plate to extend outwards and is fixedly connected with a driving fluted disc, the end part of the collecting shaft penetrates through the side wall of the lifting seat to extend outwards and is fixedly connected with a transmission gear, and the transmission gear is meshed with the driving fluted disc.

Preferably, the ratchet locating part is including seting up the rectangular connection mouth on the restriction slide lateral wall, the rectangular connection mouth inner wall rotates and is connected with the pivot, the pivot is connected with outer swivel through the ratchet subassembly, the even fixedly connected with of outer swivel lateral wall is a plurality of touch posts that block that are used for blockking wire rope.

Preferably, extrusion allies oneself with accuse subassembly is including seting up the rectangle on fixed arc and moving the mouth, the restriction slide runs through the rectangle and moves the mouth, restriction slide tip is connected with the conflict dish through the restriction post, the conflict spring and the fixed arc lateral wall fixed connection on the restriction post lateral wall are established through the cover to the conflict dish.

Preferably, promote the arc fixed disk of a set inside wall fixedly connected with indent evagination, conflict dish tip fixedly connected with presses the post, press the inconsistent conflict ball of post tip fixedly connected with and arc fixed disk.

Preferably, the hoisting disk side wall is provided with an adjusting motor fixedly connected with an adjusting screw shaft, the number of the thread layers on the outer side wall of the adjusting screw shaft is two, and the two thread layers are arranged in opposite spiral directions.

Compared with the prior art, the invention has the beneficial effects that:

1. this device is provided with the promotion auxiliary member of constituteing by the arc lifting plate through the below at original receipts spool, and the reasonable change internal diameter can be carried out according to the gravity of goods and the needs of the speed of promotion to the arc lifting plate that makes and the angle increase between the winding spool for the arc lifting plate mainly bears wire rope's traction force, guarantees when high-speed the promotion, and the condition that the winding spool can not produce the inefficacy.

2. When needs slow down or restrict wire rope and remove, the internal diameter of accessible adjustment arc promotion board for the restriction slide above that realizes removing under the effect of arc fixed disk, can realize restricting wire rope's removal on setting up the outer swivel on the restriction slide, thereby reduce wire rope and move the speed, can realize hovering to the goods with the servo motor of receipts reel jointly, ensure the safety in the equipment use.

Drawings

Fig. 1 is a schematic perspective view of a disc-shaped crane lifting device according to the present invention;

FIG. 2 is a schematic structural diagram of a disc-shaped crane lifting device according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;

FIG. 5 is a schematic side view of a disc crane lifting device according to the present invention;

FIG. 6 is a schematic top sectional view of a disc crane lifting device according to the present invention;

FIG. 7 is a schematic structural view of a ratchet assembly of a disc crane lifting device according to the present invention; .

In the figure: the device comprises a carrying seat 1, a lifting seat 2, a lifting disc 3, a bearing sleeve 4, an adjusting lead screw shaft 5, an arc-shaped lifting plate 6, a fixed arc-shaped plate 7, a limiting sliding plate 8, a collecting shaft 9, a winding drum 10, a servo motor 11, a guide lead screw column 12, a guide ring 13, an I-shaped ring 14, a limiting guide column 15, a rectangular moving port 16, a nut adjusting ring 17, an adjusting support rod 18, a driving fluted disc 19, a transmission gear 20, a rotating shaft 21, a ratchet wheel assembly 22, an outer rotating ring 23, a blocking contact column 24, a contact disc 25, an arc-shaped fixed disc 26, a pressure column 27, a contact ball 28 and an adjusting motor 29.

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.

Referring to fig. 1-7, a disc crane hoisting device, including installing carrying seat 1 on the slide rail, carry 1 top of seat and be provided with the drive arrangement who carries out the connection with the slide rail, for prior art, do not do this and give unnecessary details here, carry 1 bottom of seat and be provided with lifting seat 2, be provided with the rolling subassembly that rolling wire rope used on lifting seat 2, furthermore, the rolling subassembly is including setting up the installing port on lifting seat 2, the installing port inner wall rotates and is connected with collection axle 9, collection axle 9 lateral wall fixedly connected with receipts reel 10, winding reel 10 can realize dragging and rolling effect to wire rope, its main function of pulling is undertaken through fixed arc 7, it collects axle 9 and carries out pivoted servo motor 11 to promote 2 lateral walls of seat, servo motor 11 is prior art, do not do here again.

The inner wall of the lifting seat 2 positioned on one side of the winding component is provided with a reciprocating guide component for ensuring that the steel wire is uniformly wound, further, the reciprocating guide component comprises a guide screw post 12 which is rotatably connected to the inner wall of the mounting opening, wherein the side wall of the lifting seat 2 is provided with a motor for driving the guide screw post 12 to rotate, and the motor can realize forward and reverse rotation, so that the guide screw post can realize forward and reverse rotation, and the guide ring 13 in threaded connection with the guide ring can realize reciprocating movement, so that the I-shaped ring 14 on the lifting seat can realize threaded connection of the outer side wall of the guide screw post 12 of the steel wire rope, and the outer side wall of the guide ring 13 is rotatably connected with a reciprocating I-shaped ring 14 for ensuring that the steel wire is uniformly wound; guide lead screw post 12 both sides all be provided with the spacing guide post 15 of installation mouth inner wall fixedly connected with, set up the sliding hole that cup joints mutually with spacing guide post 15 on the guide ring 13, wherein spacing guide post 15 can make guide ring 13 can't rotate, can only realize reciprocating motion.

Lifting discs 3 are fixedly connected to two sides of the bottom of a carrying seat 1, the lifting discs 3 are jointly and rotatably connected with a bearing sleeve 4, the bearing sleeve 4 is connected with the side wall of the lifting disc 3 through a bearing, an adjusting screw shaft 5 is arranged in the bearing sleeve 4, the end part of the adjusting screw shaft 5 is connected with an arc-shaped lifting plate 6 through an adjusting and controlling assembly, a steel wire rope is wound on the arc-shaped lifting plate 6 and effectively pulls the steel wire rope, furthermore, the adjusting and controlling assembly comprises a plurality of rectangular moving openings 16 formed in the bearing sleeve 4, the outer side wall of the adjusting screw shaft 5 is in threaded connection with a nut adjusting ring 17, the nut adjusting ring 17 is rotatably connected with an adjusting strut 18, the adjusting strut 18 penetrates through the rectangular moving openings 16 and extends outwards, and the adjusting strut 18 moves in the rectangular moving openings 16, so that the nut adjusting ring 17 connected with the adjusting strut 18 is prevented from rotating, and the nut adjusting ring 17 is ensured to be capable of adjusting the inner diameter of the arc-shaped lifting plate 6; and is rotationally connected with the inner wall of the arc-shaped lifting plate 6; furthermore, one side of the bearing sleeve 4 penetrates through the side wall of the lifting plate 3 to extend outwards and is fixedly connected with a driving fluted disc 19, the end part of the collecting shaft 9 penetrates through the side wall of the lifting seat 2 to extend outwards and is fixedly connected with a transmission gear 20, and the transmission gear 20 is meshed with the driving fluted disc 19.

The equal fixedly connected with fixed arc 7 of arc lifting plate 6 both sides lateral wall, sliding connection has restriction slide 8 on

fixed arc

7, 8 lateral walls of restriction slide evenly are provided with the ratchet locating part, furthermore, the ratchet locating part is including seting up the rectangular connection mouth on 8 lateral walls of restriction slide, the rectangular connection mouth inner wall rotates and is connected with pivot 21, pivot 21 is connected with outer swivel 23 through ratchet subassembly 22, the even fixedly connected with of outer swivel 23 lateral wall is a plurality of touch posts 24 that block that are used for blockking wire rope.

The other side of the limiting sliding plate 8 is provided with an extrusion joint control assembly; further, extrusion allies oneself with accuse subassembly is including seting up the rectangle on fixed arc 7 and moving the mouth, restriction slide 8 runs through the rectangle and moves the mouth, restriction slide 8 tip is connected with the conflict dish 25 through the restriction post, the conflict dish 25 is established at the conflict spring on the restriction post lateral wall and is fixed 7 lateral walls fixed connection of fixed arc through the cover, promote the arc fixed disk 26 of 3 inside wall fixedly connected with indent evaginations of dish, conflict dish 25 end fixedly connected with receives the post 27, receive the inconsistent conflict ball 28 of post 27 end fixedly connected with and arc fixed disk 26.

Further, the side wall of the lifting disc 3 is provided with an adjusting motor 29 fixedly connected with the adjusting screw shaft 5, the number of the thread layers on the outer side wall of the adjusting screw shaft 5 is two, and the two thread layers are arranged in opposite spiral directions.

Specifically, when lifting, the collecting shaft 9 is driven to rotate by the servo motor 11, so that the winding drum 10 arranged on the collecting shaft 9 can draw and wind the steel wire rope, and meanwhile, the driving fluted disc 19 meshed and connected with the transmission gear 20 on the collecting shaft 9 can rotate, so as to drive the bearing sleeve 4 to rotate, so that the adjusting support rod 18 arranged in the bearing sleeve 4 drives the arc-shaped lifting plate 6 to rotate, and the arc-shaped lifting plate 6 is used for assisting in bearing the gravity of the steel wire rope, so as to ensure the lifting of goods;

in the process, when the lifting speed and the lifting traction force need to be adjusted, the adjusting screw shaft 5 can be driven to rotate by an adjusting motor, when the adjusting screw shaft 5 rotates, a nut adjusting ring 17 meshed with a thread layer on the adjusting screw shaft can be driven to move, an adjusting support rod 18 rotatably connected with the nut adjusting ring 17 can act to enable the arc-shaped lifting plate 6 to move outwards, so that the distance between the arc-shaped lifting plate 6 and the bearing sleeve 4 is changed, namely the inner diameter of the arc-shaped lifting plate 6 is changed, the arc-shaped lifting plate 6 can increase the included angle between goods and the collecting shaft 9, and more traction force of the steel wire rope is borne by the arc-shaped lifting plate 6, so that the traction force at one end of the collecting shaft 9 is reduced by utilizing the principle of a fixed pulley, the collecting effect of the collecting shaft 9 is ensured, the collecting shaft 9 is convenient to wind the steel wire rope, and the rotation of the arc-shaped lifting plate 6 is utilized to realize the quick traction of the steel wire rope;

when the lifted goods need to be suspended in the air, in order to ensure safety, the adjusting motor is controlled to enable the adjusting screw shaft 5 to drive the nut adjusting ring 17 to move, so that the arc-shaped lifting plate 6 connected with the adjusting support rod 18 outwards continuously moves, in the process, the end part of the pressed column 27 arranged on the arc-shaped lifting plate 6 is continuously abutted by the arc-shaped fixed disc 26 outwards, the pressed column 27 drives the limiting sliding plate 8 connected with the pressed column 27 to move inwards, the outer rotating ring 23 arranged at the end part of the limiting sliding plate 8 is contacted with the steel wire rope in the moving process, the blocking contact columns 24 arranged on the outer side walls of the outer rotating ring 23 are contacted with the steel wire rope, and the steel wire rope is abutted by the blocking contact columns 24 on the two sides, at this time, when the steel wire rope is driven to slide downwards under the action of the goods, the blocking contact columns 24 on the two sides cannot rotate due to the action of the ratchet wheel assembly 22, and friction limitation of the steel wire rope is realized, so that the moving speed of the steel wire rope when the steel wire rope is lowered is reduced, and finally the steel wire rope is stopped, and the protection effect of the auxiliary protection effect is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A disc-shaped crane lifting device comprises a carrying seat (1) installed on a sliding rail, and is characterized in that a lifting seat (2) is arranged at the bottom of the carrying seat (1), a winding component for winding a steel wire rope is arranged on the lifting seat (2), a reciprocating guide component for ensuring uniform winding of the steel wire is arranged on the inner wall of the lifting seat (2) on one side of the winding component, the reciprocating guide component comprises a guide screw post (12) rotatably connected to the inner wall of an installation opening, the outer side wall of the guide screw post (12) is in threaded connection with a guide ring (13), and the outer side wall of the guide ring (13) is rotatably connected with a reciprocating I-shaped ring (14) for ensuring uniform winding of the steel wire;

both sides of the guide screw rod column (12) are provided with limit guide columns (15) fixedly connected with the inner wall of the mounting port, and the guide ring (13) is provided with sliding holes sleeved with the limit guide columns (15);

the portable type automatic lifting device is characterized in that lifting discs (3) are fixedly connected to two sides of the bottom of the carrying seat (1), the lifting discs (3) are jointly rotatably connected with a bearing sleeve (4), an adjusting screw shaft (5) is arranged in the bearing sleeve (4), the end part of the adjusting screw shaft (5) is connected with an arc-shaped lifting plate (6) through a regulating and controlling assembly, the side walls of two sides of the arc-shaped lifting plate (6) are fixedly connected with fixed arc-shaped plates (7), limiting sliding plates (8) are slidably connected onto the fixed arc-shaped plates (7), ratchet limiting parts are uniformly arranged on the side walls of the limiting sliding plates (8), an extrusion joint control assembly is arranged on the other sides of the limiting sliding plates (8), the extrusion joint control assembly comprises rectangular moving openings formed in the fixed arc-shaped plates (7), the limiting sliding plates (8) penetrate through the rectangular moving openings, the end parts of the limiting sliding plates (8) are connected with abutting discs (25) through limiting columns, and the abutting springs sleeved on the outer side walls of the limiting columns are fixedly connected with the side walls of the fixed arc-shaped plates (7); promote arc fixed disk (26) of dish (3) inside wall fixedly connected with indent evagination, conflict dish (25) tip fixedly connected with presses post (27), press conflict ball (28) that post (27) tip fixedly connected with and arc fixed disk (26) are inconsistent.

2. A disc-shaped crane lifting device as claimed in claim 1, characterized in that the winding component comprises a mounting opening arranged on the lifting seat (2), the inner wall of the mounting opening is rotatably connected with a collecting shaft (9), the outer side wall of the collecting shaft (9) is fixedly connected with a winding drum (10), and the side wall of the lifting seat (2) is provided with a servo motor (11) for driving the collecting shaft (9) to rotate.

3. A disc crane hoist arrangement according to claim 1, characterized in that the adjustment and control assembly comprises a plurality of rectangular moving ports (16) formed in the bearing sleeve (4), the outer side wall of the adjusting screw shaft (5) is screwed with a nut adjusting ring (17), the nut adjusting ring (17) is rotatably connected with an adjusting strut (18), and the adjusting strut (18) extends outwards through the rectangular moving ports (16) and is rotatably connected with the inner wall of the arc-shaped hoist plate (6).

4. A disc crane lifting device according to claim 2, characterized in that one side of the bearing sleeve (4) extends outwards through the side wall of the lifting plate (3) and is fixedly connected with a driving toothed disc (19), the end of the collecting shaft (9) extends outwards through the side wall of the lifting base (2) and is fixedly connected with a transmission gear (20), and the transmission gear (20) is meshed with the driving toothed disc (19).

5. A disc crane lifting device according to claim 1, characterized in that the ratchet wheel limiting member comprises a rectangular connector opened on the side wall of the limiting slide plate (8), the inner wall of the rectangular connector is rotatably connected with a rotating shaft (21), the rotating shaft (21) is connected with an outer rotating ring (23) through a ratchet wheel assembly (22), and the outer side wall of the outer rotating ring (23) is uniformly and fixedly connected with a plurality of blocking contact posts (24) for blocking the steel wire rope.

6. A disc-shaped crane lifting device as claimed in claim 1, characterized in that the side wall of the lifting disc (3) is provided with an adjusting motor (29) fixedly connected with the adjusting screw shaft (5), the number of thread layers on the outer side wall of the adjusting screw shaft (5) is two, and the two thread layers are arranged in opposite spiral directions.