CN204827204U

CN204827204U - Portable guardrail of ladder for oil -well rig

Info

Publication number: CN204827204U
Application number: CN201520545281.9U
Authority: CN
Inventors: 郭志霞; 田小庆; 刘志; 李栋; 吕威; 兰海
Original assignee: LANGFANG FUBANGDE PETROLEUM MACHINERY MANUFACTURING Co Ltd
Current assignee: LANGFANG FUBANGDE PETROLEUM MACHINERY MANUFACTURING Co Ltd
Priority date: 2015-07-25
Filing date: 2015-07-25
Publication date: 2015-12-02
Anticipated expiration: 2025-07-25

Abstract

The utility model discloses a portable guardrail of ladder for oil -well rig, including the ladder, one side of ladder is connected with the railing through U type connecting block, and the other end of railing is connected with the handrail through last connecting block, and a bottom railing upper end is fixed to be equipped with the locking piece, is equipped with the draw -in groove on the locking piece, and the handrail is close to the fixed spring that is equipped with in one side of bottom railing, and the other end of spring is connected with handle button, the other end fixedly connected with of handle button and card slot well -matched's lockpin. The beneficial effect of the utility model: the utility model discloses when the rig was moved, any article need not dismantled to whole ladder, placed after the guardrail is folding and just can transport along with the ladder on the ladder, sparingly transported space and cost of transportation, the rig moves transports to position back, need not reinstallate, directly mention locking can, the single one hand of whole operation process was accomplished in tens seconds fast, used manpower sparingly and the time, the design of U type connecting block and railing, it is folding to on one side only to have restricted the guardrail.

Description

Oil-well rig ladder Portable fence

Technical field

The utility model relates to ladder guard bar technique field, specifically, relates to a kind of oil-well rig ladder Portable fence.

Background technology

Due to oil-well rig huge structure, parts are higher, arrive certain region to need by means of ladder, on the car body of such as drilling floor surface, slurry tank, truck-mounted drilling rig etc., according to the size of rig and the difference of parts, the ladder being provided with height and varying in size, petroleum industry is very strict to HSE management expectancy, ladder must have safety prevention measure, and therefore supporting guardrail all wanted by all ladders.

But at present on rig ladder used and guardrail more original, mainly there is the deficiency of following several respects in it: 1, during each moving drilling machine all needs guardrail and ladder to take apart, transport separately, re-assembly after place of arrival again, waste time and energy; 2, because guardrail is frame form, space structures is large, and transport takes up room large, increases cost of transportation; 3, when rig substructure is higher, guardrail reaches about 15 meters, for reducing structure convenient operation, usually multiple unit is divided into, each unit is fixed by securing members such as several steady pin, safety pins respectively, and therefore a ladder installation accessories is a lot, and volume is little, not easily preserve, easily lose in transport and unloading process; Unloading process easily falls, and causes injury to personnel; 4, when fence unit is different, need numbering, check the number and install, once a unit is wrongly installed, other needs to dismantle other unit installed, and reinstalls, and increases workload, adds installation complexity; 5, dismounting and installation process need many people compounding practice, and it is large that work is slight, and cost of labor is high.

For the problem in above-mentioned correlation technique, at present effective solution is not yet proposed.

Utility model content

The purpose of this utility model is to provide a kind of oil-well rig ladder Portable fence, to overcome currently available technology above shortcomings.

For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that

A kind of oil-well rig ladder Portable fence, comprise ladder, the side of described ladder is connected with some railings by some U-shaped contiguous blocks, the other end of described railing is connected with handrail by some upper contiguous blocks, described U-shaped contiguous block, railing and one_to_one corresponding identical with the number of upper contiguous block is arranged, in described railing, a nethermost upper end is fixed with lock dog, described lock dog is provided with draw-in groove, described handrail is fixed with spring near the inner side of nethermost railing, the other end of described spring is connected with lever knob, the other end of described lever knob is fixedly connected with the lock pin matched with described draw-in groove, one end of described U-shaped contiguous block is provided with opening, and the other end of described U-shaped contiguous block is arranged in vertical closing, and wherein, the direction of all described openings is consistent and consistent with the direction of falling of described railing.

Further, all pinned connection is passed through between described U-shaped contiguous block and railing and between described railing and upper contiguous block.

Further, described bearing pin is provided with the safety pin matched.

The beneficial effects of the utility model: the utility model oil-well rig is with ladder Portable fence when moving drilling machine, and ladder does not need to dismantle any object, are placed on ladder after guardrail is folding, just can transport with ladder, saving transport space and cost of transportation; After rig movement puts in place, do not need to reinstall, directly mention and lock, the single one hand of whole operating process completed fast in tens seconds, saved manpower and time; The design of U-shaped contiguous block and railing, limits guardrail only to an edge contraction; Lock pin and lock block structure are simply, easy to operate; Pure frame for movement fabricating cost is low, durable in use, and the operation in the wild of applicable rig uses.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the oil-well rig ladder Portable fence raised configuration figure according to the utility model embodiment;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 is that the U-shaped contiguous block according to the utility model embodiment is connected front view with railing;

Fig. 4 is that the U-shaped contiguous block according to the utility model embodiment is connected top view with railing;

Fig. 5 is the structural representation that the oil-well rig ladder Portable fence according to the utility model embodiment folds 45 degree;

Fig. 6 is the structural representation that the oil-well rig ladder Portable fence according to the utility model embodiment folds 90 degree.

In figure:

1, ladder; 2, U-shaped contiguous block; 3, railing; 4, handrail; 5, upper contiguous block; 6, bearing pin; 7, spring; 8, lever knob; 9, lock pin; 10, lock dog; 11, safety pin.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.

As shown in Figure 1-2, embodiment of the present utility model provides a kind of oil-well rig Portable ladder railing, and backbone components includes ladder 1, multiple railing 3 and handrail 4, ladder 1 is welded with multiple U-shaped contiguous block 2, handrail 4 is welded with multiple upper contiguous block 5.U-shaped contiguous block 2, upper contiguous block 5 and railing 3 all have pin-and-hole, and three's quantity is identical, the installation site of each group is corresponding, three is linked together by bearing pin 6, and bearing pin 6 inserts safety pin 11, prevents bearing pin 6 slippage.The termination of handrail 4 is welded with spring 7, the other end of spring 7 is connected with lever knob 8, and the other end of lever knob 8 is welded with lock pin 9, is welded with lock dog 10 first railing upper end, lock dog 10 is designed with draw-in groove, and lock pin 9 is stuck in draw-in groove and realizes railing 3 and handrail 4 interlocks.

As seen in figures 3-6, the opening of all U-shaped contiguous blocks 2 is all to same direction, i.e. railing 3 direction of falling, U-shaped contiguous block 2 blind end plays position-limiting action, and railing 3 is maximum can only rise to and ladder 1 upright position in restriction, prevents from folding to railing 3 other end.

Be railing folding process figure as seen in figs. 5-6, volume after folding be little, compact conformation, convenient transportation.

During concrete use, as shown in Figure 1-2, when moving drilling machine ladder needs transport, do not dismantle any object, hold lever knob 8 and handrail 4, apply power F to handrail 4 direction, spring 7 is compressed, at this moment lock pin 9 skids off in the draw-in groove of lock dog 10, pulled to handle side by handrail 4, each railing, realizes folding (as seen in figs. 5-6) for the center of circle is rotated with the fixed pin shaft 6 of U-shaped contiguous block 2 simultaneously, until forward folding 90 degree of states of Fig. 6 to, ladder just can transport.

Rise ladder process and folding process reversible, namely move to when rig and subscribe well site, when ladder is installed, the handrail 4 of lever knob 8 end is mentioned, at this moment each railing 3 rotates around the fixed pin shaft 6 of U-shaped contiguous block 2, when forwarding railing 3 to ladder 1 upright position, railing 3 lower end contacts with U-shaped contiguous block 2 blind end, limit value railing 3 is rotated further, ensure that railing 3 and ladder 1 are in plumbness, then release handle button 8, under the bounce-back of spring 7, make lever knob 8 move down, slide in the draw-in groove of lock dog 10 with pendulum lock pin 9, realize the locking of railing 3 and handrail 4.Whole process does not need to install any object, can complete at tens seconds.

The utility model is applied widely, is not only applicable to, on oil-well rig ladder, also can be used for the railing of other purposes, as oil-well rig mud solid controlling system railing, drilling floor surface railing, oil tank railing, water pot railing etc.

In sum, by means of technique scheme of the present utility model, the utility model oil-well rig with ladder Portable fence when moving drilling machine, ladder does not need to dismantle any object, be placed on ladder after guardrail is folding, just can transport with ladder, save transport space and cost of transportation; After rig movement puts in place, do not need to reinstall, directly mention and lock, the single one hand of whole operating process completed fast in tens seconds, saved manpower and time; The design of U-shaped contiguous block and railing, limits guardrail only to an edge contraction; Lock pin and lock block structure are simply, easy to operate; Pure frame for movement fabricating cost is low, durable in use, and the operation in the wild of applicable rig uses.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims

1. an oil-well rig ladder Portable fence, comprise ladder (1), it is characterized in that, the side of described ladder (1) is connected with some railings (3) by some U-shaped contiguous blocks (2), the other end of described railing (3) is connected with handrail (4) by some upper contiguous blocks (5), described U-shaped contiguous block (2), railing (3) and one_to_one corresponding identical with the number of upper contiguous block (5) is arranged, in described railing (3), a nethermost upper end is fixed with lock dog (10), described lock dog (10) is provided with draw-in groove, described handrail (4) is fixed with spring (7) near the inner side of nethermost railing (3), the other end of described spring (7) is connected with lever knob (8), the other end of described lever knob (8) is fixedly connected with the lock pin (6) matched with described draw-in groove, one end of described U-shaped contiguous block (2) is provided with opening, and the other end of described U-shaped contiguous block (2) is arranged in vertical closing, and wherein, the direction of all described openings is consistent with the direction of falling of described railing (3).

2. oil-well rig ladder Portable fence according to claim 1, is characterized in that, described U-shaped contiguous block (2) is all connected by bearing pin (6) with between railing (3) and between described railing (3) with upper contiguous block (5).

3. oil-well rig ladder Portable fence according to claim 2, is characterized in that, described bearing pin (6) is provided with the safety pin (11) matched.