CN214399586U - Liftable cantilever hoisting accessory - Google Patents

Abstract

The utility model discloses a liftable cantilever hoisting accessory, including stand, cantilever, the stand is including last cylinder, center pillar body, the lower cylinder that connects gradually, well cylinder can be respectively for last cylinder, the flexible regulation of lower cylinder and hookup location between them, the cantilever is connected go up the cylinder, go up the cylinder with the cylinder is fixed with bearing structure, two respectively down the cylinder and the piston rod of vertical setting are connected to bearing structure, the cylinder with the cantilever is located respectively the both sides of stand. The beneficial effects of the utility model reside in that, can adjust the height of stand, change the level of cantilever.

Description

Liftable cantilever hoisting accessory

Technical Field

The utility model relates to a hoisting accessory, especially liftable cantilever hoisting accessory.

Background

The cantilever hoisting device belongs to an industrial component, belongs to a light working strength crane, and consists of a stand column and a cantilever, wherein the cantilever is used for hoisting an electric hoist to hoist cargoes, and the cantilever has the characteristics of light dead weight, large span, large hoisting capacity, economy and durability.

Prior art publication No. CN205387440U discloses a cantilever hoisting device, which comprises a base (1), a rotating column (2), a cantilever (3), a traveling crane (4), a lifting motor (5), a translation motor (6), a rotating motor (7) and a lifting hook (8), wherein the rotating column is rotatably installed on the base, a horizontal sliding groove is formed in the cantilever, the translation motor drives the traveling crane to slide along the horizontal sliding groove, and the lifting motor drives the lifting hook to lift and lower to hoist a heavy object. In order to realize intelligent control, a controller of the cantilever lifting device can be divided into four basic modules including lifting, translation, rotation and descending stroke adjusting modules, and comprises a lifting and moving process control module for performing stroke logic control on the four basic modules, a return process control module for performing stroke logic control on the return process, a crane fault removing module, an emergency condition processing module and the like. The cantilever hoisting device is simple in structure and convenient to operate, can realize intellectualization and automation, and ensures the safety and stability of the hoisting process.

The stand column of the cantilever lifting device can only rotate and cannot lift, so that the height of the cantilever is fixed, when the required lifting height of the goods is lower, the length of a rope or a chain for lifting a lifting hook is too long, the suspended goods are easy to shake, inconvenience is caused to the unloaded goods, potential safety hazards are easily caused to workers, the highest point of the goods can be lifted naturally, and the working efficiency can be reduced undoubtedly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a liftable cantilever hoisting accessory, can adjust the height of stand, change the level of cantilever.

The utility model discloses a realize through following technical scheme.

The utility model provides a cantilever hoisting accessory, includes stand, cantilever, the stand is including the last cylinder, center pillar body, lower cylinder that connect gradually, go up the cylinder with well cylinder with the equal relative telescopic adjustment of cylinder down, the cantilever is connected go up the cylinder, go up the cylinder with lower cylinder is fixed with bearing structure, two respectively bearing structure connects the cylinder and the piston rod of vertical setting, the cylinder with the cantilever is located respectively the both sides of stand.

As a further improvement of the utility model, the bearing structure fixedly connected with mount pad of cylinder down, cylinder fixed mounting be in the mount pad, the top of its piston rod with the bearing structure fixed connection of last cylinder.

As a further improvement of the present invention, the support structure comprises two curved and attached supports fixed to the upper column surface, two supports having an extension extending to the upper column surface, two extension and the mounting seat fixed to the piston rod.

As a further improvement of the present invention, the support body and the upper column body/the lower column body are formed by a plurality of fastening members which penetrate through both and do not extend into the upper column body/the lower column body.

As a further improvement of the present invention, the mounting base bottom has downwardly extending fixing rods, two there is a gap between the extension bodies, the piston rod/the fixing rod stretches into two between the extension bodies and by the fastener fixed connection that runs through the three.

As a further improvement of the present invention, the upper cylinder body, the middle cylinder body, the lower cylinder body is a hollow tubular structure, the upper cylinder body with the lower cylinder body respectively slip cap in the both ends of the middle cylinder body, the upper cylinder body, the middle cylinder body, the lower cylinder body is vertically provided with two rows of through holes symmetrical about the central axis, the upper cylinder body with the middle cylinder body, the lower cylinder body with the middle cylinder body is by the fastener fixed connection who passes the through hole.

As a further improvement of the utility model, the cantilever includes a plurality of side by side and adjacent articulated unit festival, is located the cantilever head end the unit festival with it is articulated to go up the cylinder, is located the unit festival of cantilever tail end is connected with hangs the head, it has the hanging hole that is used for hanging the calabash to hang the head.

As a further improvement of the utility model, adjacent two the top of unit festival and the relative one side in bottom have joint complex draw-in groove and block tongue, both run through and insert and establish the fixed pin, and adjacent two fixed pins between the unit festival are coaxial.

As a further improvement of the present invention, the bottom of the lower column body has a bottom plate, the surface of the bottom plate and the surface of the lower column body are connected with a plurality of reinforcing ribs therebetween.

The utility model has the advantages that:

1. the telescopic sliding of the upper cylinder body and the middle cylinder body can be realized by driving the air cylinder according to the required cargo lifting height, so that the height of the upright post is adjusted, the horizontal height of the lifting cantilever is increased, and the cargo lifting efficiency is improved;

2. the cylinder and the cantilever are respectively arranged on two sides of the stand column, so that a piston rod of the cylinder plays a role in balancing the upper cylinder body, the deviation of the central axis of the upper cylinder body and the central cylinder body is avoided, and the stand column cannot be clamped when being lifted.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate an understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic front view of a cantilever crane in embodiment 1;

FIG. 2 is a partially enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic top view of the embodiment 1 of the hanging head;

fig. 4 is a schematic front view of a lifting cantilever crane apparatus of embodiment 2;

FIG. 5 is a schematic sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 4;

fig. 7 is a schematic cross-sectional view of fig. 4 taken along line C-C.

Detailed Description

The invention is explained in more detail below with reference to the drawings and exemplary embodiments.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

Example 1:

referring to fig. 1-3, a cantilever hoisting device comprises an upright post 1 and a cantilever 2, wherein the cantilever 2 comprises a plurality of unit sections 21, the unit sections 21 are arranged side by side along the length direction of the cantilever 2, adjacent unit sections 21 are hinged, the unit section 21 at the head end of the cantilever 2 is hinged to the upright post 1, the unit section 21 at the tail end is connected with a hoisting head 22, and the hoisting head 22 is used for hoisting a hoist.

The utility model discloses a cantilever hoisting accessory, the object of main application is the small-size goods that small-size goods especially weight is lighter, can twist reverse the position that cantilever 2 adjusted hanging head 22 according to the position of lifting by crane the goods before the use, can direct manual promotion and removal goods after lifting by crane the goods, the unit festival 21 of cantilever 2 makes the corresponding deformation of cantilever 2 through twisting back, the turned angle between two adjacent unit festival 21 of course is limited, the biggest angle of pivoted is about 90, therefore the removal scope of goods still receives the restriction.

The front side and the rear side of the top end of the unit section 21 are respectively provided with a clamping groove 23 and a clamping tongue 24, the clamping grooves are used for being matched with the clamping tongues 24 or the clamping grooves 23 on the corresponding sides of the top ends of the adjacent unit sections 21 in a clamping mode, the clamping grooves 23 and the clamping tongues 24 are connected through fixing pins 25 penetrating through the clamping grooves and the clamping tongues 24, the front side and the rear side of the bottom end of the unit section 21 are also provided with the same clamping grooves 23 and the same clamping tongues 24, and the clamping grooves and the clamping tongues 24 are also connected through the fixing pins 25. Two upper and lower fixed pins 25 that are located unit festival 21 homonymy are public axle to the card is died when avoiding unit festival 21 to rotate, when cantilever 2 lifts by crane the goods, the load of pin joint between the adjacent unit festival 21 is great, consequently sets up hinge structure respectively at top, bottom and can improve load capacity and stable structure, in addition, cantilever 2 can appear crooked condition under the heavier condition of load, two articulated structures about unit festival 21 also can reduce crooked degree.

In addition, one end of the fixing pin 25 is provided with a pull ring 251, the positioning pin 25 can be pulled out through the pull ring 251, the unit section 21 can be detached conveniently, and the unit section 21 can be increased or reduced conveniently according to requirements.

Although the upper part and the lower part of the adjacent unit sections 21 are hinged to each other to reduce the bending degree of the cantilever 2, the cantilever 2 is limited by mechanical gaps between parts, and the cantilever 2 can be bent under the condition of hanging goods, so that the horizontal height of the hanging head 22 is lower than the head end of the cantilever 2, the lifting amplitude of the hung goods is influenced, and inconvenience is caused. Therefore, the cantilever 2 is inclined upwards from the head end to the tail end by a certain angle, namely the horizontal height of the top end of the unit section 21 is gradually increased, the cantilever 2 is in an arch bridge shape when hanging goods, and the tail end of the cantilever 2 can be lifted, namely the position of the hanging head 22.

Further, the top ends of all the unit sections 21 are flush, and the direction of the unit section 21 at the head end pointing to the unit section 21 at the tail end is inclined upward relative to the horizontal line, so that the hinge relation between the adjacent unit sections 21 is not affected.

It is also possible to set all the unit sections 21 in an upright state and then gradually raise the position from the head end to the top end of the tail unit section 21 so that the top of the cantilever 2 is stepped.

Hang head 22 including inlay card structure 221 and suspended structure 222, inlay card structure 221 is being located cantilever 2 tail end along the direction buckle towards the head end outside cantilever 2 the middle part of unit festival 21, two lateral parts laminating about inlay card structure 221 are in two sides of unit festival 21, two lateral parts and the unit festival 21 of calliper structure are by the fixed pin 223 fixed connection who runs through the three, in addition, calliper structure can be with unit festival 21 interference fit to fixed not hard up phenomenon appears. A gap is formed between the middle part of the caliper structure and the unit section 21 to compensate for the structural gap, so that the hanging head 22 is prevented from deforming and damaging the unit section 21 when hanging goods with excessive weight.

The hanging structure 222 is a vertical plate-shaped structure, and is integrally connected to the middle position of the middle portion of the clamping structure 221 and extends out of the cantilever 2, and a set of reinforcing ribs 224 are respectively connected between the upper portion and the lower portion of the hanging structure 222 and the middle portion of the caliper structure, so that the structural strength is improved to avoid bending deformation of the hanging structure 222.

The part of the hanging structure 222, which is far away from the caliper structure, is provided with a hanging hole 222-1 for hanging a hoist, and the front side and the rear side of the hanging hole are respectively provided with a smaller auxiliary hole 222-2 for binding a rope to be connected to the hoist, so that the hanging balance is improved, and the hoist is prevented from shaking.

In addition, the length of the unit section 21 is gradually reduced along the direction from the head end to the tail end of the cantilever 2, and then is kept unchanged, so that the gravity center of the cantilever 2 is deviated to one side of the upright post 1, and the deviation degree of the whole gravity center is reduced when the goods are hung.

Example 2:

referring to fig. 4-7, a lifting cantilever crane comprises a vertical column 1 and a cantilever 2, wherein the vertical column 1 is of a lifting structure, which comprises an upper column body 11, a middle column body 12 and a lower column body 13 which are all hollow tubular structures, wherein the diameters of the upper column body 11 and the lower column body 13 are the same, the diameter of the middle column body 12 is slightly smaller than the diameters of the upper column body and the lower column body, the lower end of the upper column body 11 is slidably sleeved at the upper end of the middle column body 12, the upper end of the lower column body 13 is slidably sleeved at the upper end of the middle column body 12, the bottom end of the lower column body 13 is fixed with a chassis 14, a plurality of threaded holes are arranged on the chassis 14 around the lower column body 13, and is fixed on the workbench by using screws, the diameter of the chassis 14 is about twice of the diameter of the lower column body 13, and a plurality of reinforcing ribs 141 are connected between the surface of the chassis 14 and the surface of the lower column body 13, so that the structural strength of the bottom end of the upright post 1 is enhanced, and the condition that the upright post 1 inclines is avoided.

With the view angle of fig. 4, the cantilever 2 is connected to the right side of the upper column 1, the upper column 11 and the lower column 13 are respectively fixed with the supporting structure 3, the cylinder 4 is arranged on the left side of the column 1 and between the two supporting structures 3, the cylinder 4 is fixedly mounted on the supporting structure 3 below, the top end of the piston rod 41 of the cylinder 4 is fixed on the supporting structure 3 above, the upper column 11, the middle column 12 and the lower column 13 are respectively provided with two rows of through holes 1-1 along the vertical direction, the driving cylinder 4 can push the upper column 11 to adjust the overall height of the column 1, then the position of the middle column 12 is adjusted to make the middle column 12 respectively align with the through holes of the upper column 11 and the lower column 13, the upper column 11 and the middle column 12 are fixedly connected by using the fixing pin 15, and the middle column 12 and the lower column 13 are fixedly connected.

Cantilever 2 makes the axis vertical direction that deviates slightly in cylinder 11 in the easy pulling when hanging the goods, make go up the cylinder 11 and the middle cylinder 12 between appear sliding flexible problem of card owner easily, and middle cylinder 12 also appears the axis vertical direction that deviates slightly easily under the radial effort of last cylinder 11, make middle cylinder 12 also appear sliding flexible problem of card owner with lower cylinder 13, and set up cylinder 4 at the opposite side, the pulling effort that piston cylinder 4 applied to last cylinder 11 can balance the atress condition of going up cylinder 11, avoid the axis phenomenon of deviating to appear, therefore cylinder 4 not only can play the effect of automatic rising flexible stand 1, can also play the effort of balanced last cylinder 11, avoid stand 1 to appear slope and sliding flexible problem of card owner.

Support structure 3 includes two supporters 31, the one end of two supporters 31 is extended and is had extension body 32, wherein two supporters 31 are curved shape, the laminating is fixed at last cylinder 11/cylinder 13 surface down, and two extension bodies 32 extend to the cylinder 11/cylinder 13 outside down, cylinder 4/piston rod 41 and two extension bodies 32 fixed connection, cantilever 2 is kept away from at the position of last cylinder 11/cylinder 13 to two supporters 31 laminating of support structure 3, make the piston rod 41 concentrate more in the one side of keeping away from cantilever 2 to the effort of last cylinder 11, can play better balanced function.

The supporting body 31 is fixedly connected with the upper column 11/lower column 13 by a plurality of fasteners 33 which penetrate through the two and do not extend into the upper column 11/lower column 13, so as to avoid interference caused by sliding and stretching of the centering column 12 along the upper column 11/lower column 13.

A mounting seat 42 is further disposed between the lower supporting structure 3 and the cylinder 4, a rod-shaped structure 43 extending downward is disposed at the bottom of the mounting seat 42, a gap is formed between the two extending bodies 32 of the supporting structure 3, and the rod-shaped structure 43 is inserted into the gap and fixedly connected with the gap by a fastener 34 penetrating through the three. Since the piston rod 41 is fixedly connected to the upper support structure 3, the mounting seat 42 can be balanced with only one connection point, which simplifies the structure of the mounting seat 42 and reduces the weight.

Similarly, the top end of the piston rod 41 extends into the space between the two extending bodies 32 of the corresponding support structure 3, and is fixedly connected by the fastener 34 penetrating through the three.

Example 3:

a cantilever hoisting device combines the cantilever of embodiment 1 with the upright of embodiment 2.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a liftable cantilever hoisting accessory, includes stand, cantilever, its characterized in that, the stand is including the last cylinder, well cylinder, the lower cylinder that connect gradually, go up the cylinder with well cylinder with the equal relative flexible regulation of cylinder down, the cantilever is connected go up the cylinder, go up the cylinder with lower cylinder is fixed with bearing structure, two respectively bearing structure connects the cylinder and the piston rod of vertical setting respectively, the cylinder with the cantilever is located respectively the both sides of stand.

2. The liftable cantilever crane apparatus of claim 1, wherein the supporting structure of the lower column is fixedly connected with a mounting base, the cylinder is fixedly mounted on the mounting base, and the top end of the piston rod of the cylinder is fixedly connected with the supporting structure of the upper column.

3. The liftable cantilever hoisting apparatus according to claim 2, wherein the supporting structure comprises two arc-shaped supporting bodies attached and fixed on the surface of the upper column/the lower column, one end of each of the two supporting bodies is provided with an extension body extending to the outer side of the upper column/the lower column, and the two extension bodies are fixedly connected with the mounting base/the piston rod.

4. The liftable cantilever crane apparatus of claim 3, wherein the support body is fixedly connected to the upper/lower column by a plurality of fasteners extending through both and not extending into the upper/lower column.

5. The liftable cantilever crane apparatus of claim 3, wherein the bottom of the mounting base has a downwardly extending fixing rod, a gap is provided between the two elongated bodies, and the piston rod/fixing rod extends between the two elongated bodies and is fixedly connected by a fastener penetrating the two elongated bodies.

6. The liftable cantilever crane apparatus of claim 1, wherein the upper column, the middle column and the lower column are all hollow tubular structures, the upper column and the lower column are respectively slidably sleeved at two ends of the middle column, two rows of through holes symmetrical about a central axis are vertically arranged on the upper column, the middle column and the lower column, and the upper column and the middle column, the lower column and the middle column are fixedly connected by fasteners passing through the through holes.

7. The liftable cantilever crane apparatus of claim 1, wherein the bottom end of the lower column has a bottom plate, and a plurality of reinforcing ribs are connected between the surface of the bottom plate and the surface of the lower column.

8. The liftable cantilever crane apparatus of claim 1, wherein the cantilever comprises a plurality of side-by-side and adjacent hinged unit sections, the unit section at the head end of the cantilever is hinged to the upper column, the unit section at the tail end of the cantilever is connected to a hanging head, and the hanging head has a hanging hole for hanging a hoist.

9. The liftable cantilever crane apparatus of claim 8, wherein the opposite sides of the top end and the bottom end of two adjacent unit sections have a clamping groove and a clamping tongue which are in clamping fit with each other, the clamping groove and the clamping tongue are inserted with a fixing pin, and the two fixing pins between two adjacent unit sections are coaxial.

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