CN220950908U - Install at folding handrail of balanced heavy - Google Patents

Abstract

The utility model discloses a foldable handrail installed on a counterweight, which comprises at least one handrail assembly, wherein the handrail assembly is fixed on the counterweight through bolts, and the handrail assembly comprises: the handrail, fixed bolster, bolt, fixed pin, the handrail passes through the bolted connection on the fixed bolster, makes the handrail rotate round the bolt, and on the fixed pin installation fixed bolster, be equipped with the through-hole of installation fixed pin on the handrail, through fixed pin adjustment handrail position, the handrail need not make a round trip the dismouting, convenient operation is simple, is applicable to different balancing weights, has the commonality, economical and practical more.

Description

Install at folding handrail of balanced heavy

Technical Field

The utility model relates to an armrest on a counterweight, in particular to a foldable armrest arranged on the counterweight.

Background

When the existing crane is used for hanging the combined type balancing weights, the hanging steel wire ropes are required to be disassembled, but as the tonnage is increased, the weight of the hung combined type balancing weights is increased, the width and height dimensions are increased, as shown in the embedded type handrail structure of the balancing weights in the figure 1, holes are formed in the balancing weights to serve as foot stepping supporting points, holes are formed in the top balancing weights, and casting handrails are used as hand supporting points in the climbing process, so that the climbing of the balancing weights is performed, the steel wire ropes at the hanging points are relieved, in the figure 1, the handrail is embedded, the handrail is 2, the foot supporting points are 3, and the hanging points of the balancing weights are 4; this kind of mode needs to climb to balanced heavy upper surface and accomplishes the work of disassembling wire rope, and the overseas market requires single the hanging balanced heavy, has more put forward higher requirement to the climbing passageway, adopts the mode of handrail, and the handrail on the current balanced climbing passageway is because the interference problem when hanging, often casts the inside of balanced heavy, and the handrail height is too low, and the people is when climbing the top, and waist distortion degree is great, and comfort level and humanization are relatively poor.

Some manufacturers consider this problem, and adopt stock to insert the balance weight as climbing handrail, and balanced bar-shaped handrail structure as shown in fig. 2, and 5 is the handrail, need take out from storage position department and install on balanced heavy when using, the problem of climbing comfort level can be very big be alleviated, but the assembly is assembled to taking out the handrail before the articulated balance weight, and the balanced heavy is articulated in revolving stage because of interfering the problem when need demolish bar-shaped handrail, and convenient operation influences the articulated efficiency.

The climbing pole of U type handrail assembly is adopted to the side of still some manufacturer's climbing to the balanced heavy, and climbing pole structure of balanced heavy pole U type handrail assembly as shown in fig. 3, and 6 is the handrail assembly, and the climbing pole of cast-in U type handrail, workman carry out the climbing of balanced heavy through climbing pole, and this kind of external U type handrail of mode occupies the space great, and space utilization is low, appears interfering the collision problem easily.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides the foldable handrail arranged on the balancing weight, when the handrail is fixed to 90 degrees through the spring pin, the height of the handrail can be improved, the comfort level when the balancing weight is climbed is increased, meanwhile, the handrail can be limited by the spring pin mechanism, the safety and reliability are realized, the handrail can be folded by adjusting the spring pin, the balance weight sink structure is matched, the whole height is lower than the upper plane of the balancing weight, and the interference problem when the balancing weight is hung is avoided.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a collapsible armrest mounted to a counterweight, comprising at least one armrest assembly secured to the counterweight by bolts, the armrest assembly comprising: the handrail is hinged to the fixed support through the bolts, the handrail rotates around the bolts between 0 and 90 degrees, the fixed pins are arranged on the fixed support, through holes for installing the fixed pins are formed in the handrail, and the position of the handrail is adjusted through the fixed pins.

Further, the fixing pin is a pin shaft or a spring pin.

Further, the fixing pin is provided at a position to fix the armrest at 90 degrees.

Further, the balance weight is provided with a sinking groove for installing the foldable handrail.

Further, the foldable handrail comprises a handrail assembly, and the fixing support is of a unitary structure, and comprises: the mounting panel is fixed on the fixed group of two curb plates on the mounting panel.

Furthermore, the handrail is of a C-shaped structure, and two ends of the handrail are hinged to the two side plate fixing groups through bolts.

Further, the foldable handrail includes more than one handrail assembly, the fixed bolster is the mount pad, the mount pad includes: the mounting panel is fixed with the curb plate fixed group on the bottom plate.

Further, the handrail is in a rod-shaped structure.

The beneficial effects of the utility model are as follows: the handrail can be folded and can be increased in height, the comfort level when climbing the balancing weight is improved, when the handrail is fixed to 90 degrees through the spring pin, the comfort level when climbing the balancing weight is guaranteed, the handrail can be limited by the spring pin mechanism, safety and reliability are achieved, the handrail can be folded through adjusting the spring pin, the balancing weight sinking groove structure is matched, the whole height is lower than the upper plane of the balancing weight, interference problems are avoided when the balancing weight is hung, the handrail does not need to be dismounted back and forth, operation is convenient and simple, the balancing weight is applicable to different balancing weights, universality is achieved, and economical and practical effects are achieved.

Drawings

FIG. 1 is a block diagram of a counterweight embedded handrail in the background art;

FIG. 2 is a diagram of a counterweight rod handrail structure in the background art;

FIG. 3 is a view of the climbing pole structure of the U-shaped handrail of the balance weight pole;

FIG. 4 is a comparison diagram of two states of the foldable handrail of the embodiment 1;

FIG. 5 is a structural view of a foldable handrail of embodiment 1;

FIG. 6 is a structural view of a foldable handrail of embodiment 2;

In the figure: 1. an armrest is embedded in the handrail; 2. foot support points; 3. a counterweight; 4. a counterweight hanging point; 5. a rod-shaped handrail; 6. a handrail assembly; 6-1, armrests; 6-2, fixing the bracket; 6-3, bolts; 6-4, cotter pin; 6-5, spring pins; 7. sinking groove.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the object and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model.

Example 1

As shown in fig. 4-5, a foldable handrail mounted on a counterweight, the foldable handrail 6-1 comprising a handrail assembly 6, the handrail assembly 6 comprising: the handrail 6-1, the fixed support 6-2, the bolt 6-3 and the spring pin 6-5, wherein the fixed support 6-2 is fixed on the counterweight through the bolt 6-3, the handrail 6-1 is hinged on the fixed support 6-2 through the bolt 6-3, the handrail 6-1 rotates between 0 and 90 degrees around the bolt 6-3, the spring pin 6-5 is arranged on the fixed support 6-2, a through hole for installing the spring pin 6-5 is arranged on the handrail 6-1, and the position of the handrail 6-1 is adjusted through the spring pin 6-5.

The fixing bracket 6-2 is of a whole structure and comprises: the handrail 6-1 is of a C-shaped structure and is formed by bending a pipe, two ends of the handrail 6-1 are hinged to the two side plate fixing groups through bolts 6-3, and 1 or 2 side plates are arranged in each side plate fixing group and are hinged to the handrail 6-1 through bolts 6-3.

The spring pin 6-5 is a spring pin 6-5, the spring pin 6-5 is arranged at a position capable of fixing the handrail 6-1 at 90 degrees, and the counterweight is provided with a sinking groove 7 for installing the foldable handrail 6-1.

The bolt 6-3 for hinging the armrest 6-1 and the fixed bracket 6-2 is also provided with a cotter pin 6-4, and nuts on the bolt 6-3 are placed to loose and fall.

Pulling the spring pin 6-5 sideways, the armrest 6-1 to 90 degrees can be rotated, at this time, the spring pin 6-5 is released and inserted into the side hole of the armrest 6-1, so that the rotation of the armrest is limited, at this time, the armrest is in an operating state, and as shown in fig. 4 (b), the armrest can be used as a hand fulcrum for climbing the counterweight;

The spring pin 6-5 is pulled to place the handrail 6-1 to the 0 degree position, and the handrail assembly 6 is in a folded state at this time, as shown in fig. 4 (a), and the handrail assembly 6 is completely immersed into the balanced and reopened groove, so that the interference condition with the handrail assembly 6 when the turntable is rotationally hung with the balancing weight can be avoided.

Example 2

The improvement in the technology of embodiment 1 is that the armrest 6-1 and the fixed bracket 6-2 in the armrest assembly 6, wherein the foldable armrest 6-1 comprises more than one armrest assembly 6, and as shown in fig. 6, the fixed bracket 6-2 is a mounting seat, and the mounting seat comprises: the handrail 6-1 is of a rod-shaped structure.

The spring pins 6-5 in the embodiment 1 and the embodiment 2 can also be pin shafts, and the pin shafts need to be manually adjusted in the process of operation.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. A collapsible armrest mounted to a counterweight, comprising at least one armrest assembly secured to the counterweight by bolts, the armrest assembly comprising: the handrail is hinged to the fixed support through the bolts, the handrail rotates around the bolts, the fixed pins are arranged on the fixed support, through holes for installing the fixed pins are formed in the handrail, and the position of the handrail is adjusted through the fixed pins.

2. A collapsible handrail for mounting on a counterweight as claimed in claim 1, wherein the securing pin is a pin or a spring pin.

3. A collapsible handrail for mounting on a counterweight according to claim 1, wherein the securing pin is arranged to secure the handrail in a 90 degree position.

4. A collapsible handrail for mounting on a counterweight as claimed in claim 1, wherein the counterweight is provided with a sink for mounting the collapsible handrail.

5. A collapsible handrail for mounting on a counterweight as claimed in claim 3, wherein the collapsible handrail comprises a handrail assembly, and the mounting bracket is of unitary construction comprising: the mounting panel is fixed on the fixed group of two curb plates on the mounting panel.

6. The foldable handrail of claim 5, wherein the handrail is C-shaped and has two ends hinged to the two side plate fixing groups by bolts.

7. A collapsible handrail for mounting on a counterweight as claimed in claim 3, wherein the collapsible handrail comprises more than one handrail assembly, the fixed bracket being a mounting base, the mounting base comprising: the mounting panel is fixed with the curb plate fixed group on the bottom plate.

8. The collapsible handrail of claim 7, wherein the handrail is a rod-like structure.