CN210530713U

CN210530713U - Comparatively firm ladder is hung with safety to oil development

Info

Publication number: CN210530713U
Application number: CN201920586953.9U
Authority: CN
Inventors: 陈高峰
Original assignee: Tianjin Guangyuan Bofa Petroleum Machinery Co Ltd
Current assignee: Tianjin Guangyuan Bofa Petroleum Machinery Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-05-15
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a ladder is hung to comparatively firm oil division adoption safety, two main pillars about including, be connected with a plurality of horizontal poles between the main pillar perpendicularly, top one side fixed mounting of main pillar has a mount pad, the preceding terminal surface both sides of mount pad are fixed respectively and are provided with a curved couple, the inside of couple is provided with the insurance knee of an activity. A ladder is hung with safety to comparatively firm oil development, through an insurance knee of inside movable mounting at the couple, and a spacing knot and an arc spring are installed respectively to the end of insurance knee, under the normality, spacing knot is blocked by spacing tapered end, and spacing tapered end then links through a transmission strip and switch blend stop, through when hanging ladder safely, pops out the locking suspended object with insurance knee automatically, makes it can't break away from the suspended object, has further guaranteed the safe safety in utilization who hangs the ladder.

Description

Comparatively firm ladder is hung with safety to oil development

Technical Field

The utility model relates to a ladder field is hung to the safety, in particular to ladder is hung with safety to comparatively firm oil development.

Background

Safety hanging ladder is the safe device of ascending a height that a special type operation used, install a device that is used for grabbing to hang additional through the top at ordinary cat ladder, make things convenient for personnel will hang the ladder in the bottom and hang on certain thing of a take the altitude to scramble, be fit for the local operation of various tunnels in the oil development operation, however, ordinary hanging ladder is comparatively simple as a result, its top does not have automatic locking safeties, when personnel scramble hanging ladder and lead to its bottom to rock, the hanging ladder top drops easily, cause the injury that falls of personnel.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a safe hanging ladder for stable oil extraction, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a ladder is hung to comparatively firm oil division adoption safety, includes two main pillars about, be connected with a plurality of horizontal poles between the main pillar perpendicularly, top one side fixed mounting of main pillar has a mount pad, the preceding terminal surface both sides of mount pad are fixed respectively and are provided with a curved couple, the inside of couple is provided with the insurance knee of a activity.

Preferably, the mounting seat and the hook are integrally formed members, and the mounting seat is mounted on the main pillar through a bolt.

Preferably, an arc-shaped sliding groove penetrating the inside is formed in the outer side face of the hook along the center line of the hook, the safety bent rod is arranged inside the sliding groove, and the tail of the safety bent rod is fixedly installed on a fixing head.

Preferably, one side of the bottom surface of the fixing head is fixedly provided with a limiting buckle, the other side of the bottom surface of the fixing head is fixedly provided with an arc-shaped spring, the other end of the arc-shaped spring is fixed on a fixing block fixedly arranged at the bottom of the sliding groove, the side surface of the fixing head is fixedly provided with a connecting column, the connecting column extends out of the sliding groove and is connected with a sliding switch on the outer side surface of the hook.

Preferably, the hook is provided with a movable groove on the inner wall at the tail end of the sliding groove, the inside of each movable groove is provided with a limit spring, one end of each limit spring is fixed at the bottom of each movable groove, the other end of each limit spring is fixedly connected to a limit block, a limit lock head is fixedly installed at the other end of each limit block, and the limit lock head extends out of the movable groove and extends into the inside of the sliding groove to clamp the limit buckle on the fixing head.

Preferably, one side of stopper is through a connecting pin swing joint to a transmission strip on, the other end of transmission strip then links to each other through the end of No. two connecting pins with a switch blend stop, the afterbody of switch blend stop stretches into the inside in activity groove, and the head then keeps off at the opening part of couple, the part that the switch blend stop stretches into the activity groove is then on the inner wall in activity groove through a fixed pin movable mounting at the front end that is located to be connected with the transmission strip.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up a curved spout in the couple at the safe string ladder top to at a insurance knee of internally mounted of spout, simultaneously at a switch blend stop of side-mounting of couple, can touch the switch blend stop when hanging safe string ladder, thereby open the insurance knee, make insurance knee pop out from the couple is inside, seal the opening part that pins the couple, make the couple firmly hang on the suspender, can not drop because of rocking, improve the security of safe string ladder use.

Drawings

Fig. 1 is a schematic view of the overall structure of the more stable safety hanging ladder for oil exploitation of the present invention;

FIG. 2 is a side view of the hook structure of the safety hanging ladder for oil exploitation of the present invention;

FIG. 3 is a cross-sectional view of the inner structure of the hook of the safety hanging ladder for oil exploitation;

FIG. 4 is a top view of a fixed head structure of a more stable safety hanging ladder for oil exploitation according to the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 3;

fig. 6 is the utility model relates to a comparatively firm oil development is with safe movable groove inner structure plan view who hangs ladder.

In the figure: 1. a main support; 2. a cross bar; 3. a mounting seat; 4. hooking; 5. a chute; 6. a bumper bent rod; 7. a slide switch; 8. a barrier strip is opened and closed; 9. a fixed head; 10. connecting columns; 11. a limit buckle; 12. an arc-shaped spring; 13. a fixed block; 14. a movable groove; 15. a limiting spring; 16. a limiting block; 17. a first connecting pin; 18. a limiting lock head; 19. a drive bar; 20. a fixing pin; 21. and a second connecting pin.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a relatively stable safety hanging ladder for oil extraction comprises a left main pillar 1 and a right main pillar 1, a plurality of cross rods 2 are vertically connected between the main pillars 1, a mounting seat 3 is fixedly mounted on one side of the top end of each main pillar 1, an arc-shaped hook 4 is fixedly arranged on each of two sides of the front end face of each mounting seat 3, and a movable safety bent rod 6 is arranged inside each hook 4.

The mounting seat 3 and the hook 4 are integrally formed components, and the mounting seat 3 is mounted on the main support 1 through bolts; an arc-shaped sliding chute 5 which runs through the inside is respectively arranged on the outer side surface of the hook 4 along the central line of the hook 4, the safety bent rod 6 is arranged inside the sliding chute 5, and the tail part of the safety bent rod 6 is fixedly arranged on a fixed head 9; a limiting buckle 11 is fixedly arranged on one side of the bottom surface of the fixed head 9, an arc-shaped spring 12 is fixedly arranged on the other side of the bottom surface of the fixed head 9, the other end of the arc-shaped spring 12 is fixed on a fixed block 13 fixedly arranged at the bottom of the sliding chute 5, a connecting column 10 is fixedly arranged on the side surface of the fixed head 9, the connecting column 10 extends out of the sliding chute 5 and is connected with a sliding switch 7 on the outer side surface of the hook 4; the inner wall of the tail end of the sliding groove 5 of the hook 4 is provided with a movable groove 14, a limiting spring 15 is arranged inside each movable groove 14, one end of each limiting spring 15 is fixed at the bottom of the corresponding movable groove 14, the other end of each limiting spring 15 is fixedly connected to a limiting block 16, the other end of each limiting block 16 is fixedly provided with a limiting lock head 18, and each limiting lock head 18 extends out of the corresponding movable groove 14 and extends into the corresponding sliding groove 5 to clamp the limiting buckle 11 on the corresponding fixing head 9; one side of the limiting block 16 is movably connected to a transmission strip 19 through a first connecting pin 17, the other end of the transmission strip 19 is connected with the tail end of a switch barrier strip 8 through a second connecting pin 21, the tail part of the switch barrier strip 8 extends into the movable groove 14, the head part of the switch barrier strip 8 is blocked at the opening of the hook 4, and the part of the switch barrier strip 8 extending into the movable groove 14 is movably arranged on the inner wall of the movable groove 14 through a fixing pin 20 at the front end connected with the transmission strip 19.

It should be noted that the utility model relates to a more firm safety hanging ladder for oil exploitation, through a safety bent rod 6 movably installed in the interior of the hook 4, the end of the safety bent rod 6 is respectively installed with a limit buckle 11 and an arc spring 12 through a fixing head 9, normally, the limit buckle 11 is blocked by a limit lock 18 extending from the movable groove 14, and the limit lock 18 is movably connected with the switch barrier strip 8 through a transmission strip 19, when in use, the operator lifts the safety hanging ladder at the bottom to make the hook 4 at the top aim at the hanging object, then slowly puts down the safety hanging ladder, when the opening of the hook 4 is close to the hanging object, the safety hanging ladder continues to descend to make the hanging object touch the switch barrier strip 8, because of the blocking of the hanging object, the switch barrier strip 8 rotates with the fixing pin 20 as the circle center, thereby driving the transmission strip 19 to move to the left, the transmission strip 19 drives the limit block 16 to move again, thereby pulling the limit lock head 18 into the movable groove 14, so that the limit lock head 18 can not block the limit buckle 11 on the fixed head 9, at the moment, the fixed head 9 pops the safety bent rod 6 out of the hook 4 under the elastic force of the arc spring 12, thereby locking the hanging object in the closed ring formed by the hook 4 and the safety bent rod 6, and ensuring that the safety hanging ladder can not fall off from the hanging object; after the safety hook is used, the safety bent rod 6 can be retracted into the hook 4 again by using the sliding switch 7 arranged on the outer side of the hook 4, the safety hook ladder is taken down from a suspended object, the switch barrier strip 8 is restored to the original position, and the limiting lock head 18 extends out of the movable groove 14 again under the action of the limiting spring 15 and clamps the limiting buckle 11 on the fixing head 9 for the next use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ladder is hung with safety to comparatively firm oil development which characterized in that: including controlling two main tributary posts (1), be connected with a plurality of horizontal poles (2) between main tributary post (1) perpendicularly, top one side fixed mounting of main tributary post (1) has a mount pad (3), the preceding terminal surface both sides of mount pad (3) are fixed respectively and are provided with a curved couple (4), the inside of couple (4) is provided with insurance knee (6) of a activity.

2. A more firm oil development safety hanging ladder as claimed in claim 1, which is characterized in that: the mounting seat (3) and the hook (4) are integrally formed components, and the mounting seat (3) is mounted on the main support (1) through a bolt.

3. A more firm oil development safety hanging ladder as claimed in claim 1, which is characterized in that: the outer side face of the hook (4) is provided with an arc-shaped sliding groove (5) penetrating the inside along the central line of the hook (4), the safety bent rod (6) is arranged inside the sliding groove (5), and the tail of the safety bent rod (6) is fixedly arranged on a fixing head (9).

4. A more firm oil development safety hanging ladder as claimed in claim 3, characterized in that: one side of the bottom surface of the fixing head (9) is fixedly provided with a limiting buckle (11), the other side of the bottom surface of the fixing head (9) is fixedly provided with an arc-shaped spring (12), the other end of the arc-shaped spring (12) is fixed on a fixing block (13) fixedly arranged at the bottom of the sliding groove (5), the side surface of the fixing head (9) is fixedly provided with a connecting column (10), the connecting column (10) is supposed to extend out of the sliding groove (5) and is connected with a sliding switch (7) on the outer side surface of the hook (4).

5. A more firm oil development uses safe hanging ladder according to claim 4, characterized by that: couple (4) have seted up a movable groove (14) on spout (5) terminal inner wall, the inside of a movable groove (14) is equipped with a spacing spring (15), the bottom in movable groove (14) is fixed to the one end of spacing spring (15), and other end fixed connection is to on a stopper (16), the other end fixed mounting of stopper (16) has a spacing tapered end (18), spacing tapered end (18) stretch out movable groove (14) and stretch into the inside of spout (5) and block spacing knot (11) on fixed head (9).

6. A more firm oil development uses safe hanging ladder according to claim 5, characterized by that: one side of stopper (16) is through a connecting pin (17) swing joint to on a transmission strip (19), the other end of transmission strip (19) then links to each other through the end of No. two connecting pin (21) with a switch blend stop (8), the inside of activity groove (14) is stretched into to the afterbody of switch blend stop (8), and the head then keeps off the opening part at couple (4), the part that activity groove (14) were stretched into in switch blend stop (8) is then through a fixed pin (20) movable mounting on the inner wall of activity groove (14) at the front end that is located and is connected with transmission strip (19).