CN112112550A - Novel rope ladder head with protective structure - Google Patents
Novel rope ladder head with protective structure Download PDFInfo
- Publication number
- CN112112550A CN112112550A CN202010985954.8A CN202010985954A CN112112550A CN 112112550 A CN112112550 A CN 112112550A CN 202010985954 A CN202010985954 A CN 202010985954A CN 112112550 A CN112112550 A CN 112112550A
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- Prior art keywords
- rod
- ladder
- head
- side wall
- hook
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Abstract
The invention discloses a novel rope ladder head with a protective structure, which comprises a ladder head assembly and a ladder frame assembly, wherein the ladder head assembly comprises a ladder head and an anti-falling fastener, and the anti-falling fastener is arranged in the side wall of a shaving head; the ladder rack assembly comprises a ladder rack and a connecting piece, the connecting piece is arranged at the end part of the ladder rack, and the ladder rack is connected with a ladder head through the connecting piece; the novel rope ladder head is additionally provided with the anti-falling fastener at the end part of the wire hanging rack, the fastener is simple in structure, good in matching effect and high in safety after being fastened; the connecting piece can adjust the connection state of the ladder head and the ladder frame, so that the connecting piece corresponds to different use states, and the application range of the device is widened.
Description
Technical Field
The invention relates to the technical field of electric power overhaul tools, in particular to a novel rope ladder head with a protection structure.
Background
The existing rope ladder head has been used for decades, although the overall structure of the rope ladder head is not changed greatly, a potential safety hazard exists in the use process, because the hanging wire mode of the rope ladder head is a mode of firstly crossing a transverse hanger, and the other two sides of the rope ladder head have no one-time door closing function, the rope ladder head is easy to deform, so that the door of the rope ladder head cannot be closed successfully, and the stability is not good; simultaneously in current electric power overhaul rope ladder head, the setting of arc surrounding rod does not have the function of adjustable activity, consequently to the maintainer of different heights, is inconvenient also unreasonable. And current electric power overhauls equipment, can have two kinds of maintenance states, the first kind is with the rope ladder head articulate on a electric wire, the second kind is with the rope ladder head articulate on two parallel electric wires, but current rope ladder head does not support the switching of two kinds of user states. Therefore, the scheme of the application provides a novel rope ladder head with a protective structure, which is used for solving the existing problems.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned problems occurring in the conventional rope ladder head.
Therefore, the technical problem to be solved by the invention is to provide a novel rope ladder head with a protective structure, and the novel rope ladder head aims to solve the problems of poor structure, low safety and single use state of the conventional rope ladder head.
In order to solve the technical problems, the invention provides the following technical scheme: a novel rope ladder head with a protective structure comprises a ladder head assembly and a ladder frame assembly, wherein the ladder head assembly comprises a ladder head and an anti-falling fastener, and the anti-falling fastener is arranged in the side wall of a shaving head; the ladder comprises a ladder frame, a connecting piece and a protection piece, wherein the connecting piece is arranged at the end part of the ladder frame, the ladder frame is connected with a ladder head through the connecting piece, and the protection piece is arranged on the ladder frame.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the ladder head comprises a hook rod and a guide wheel, and the guide wheel is rotatably arranged at the bending part of the hook rod through a driving shaft which can be matched.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the anti-falling fastener comprises an anti-falling rod and an adjusting buckle, one end of the anti-falling rod is hinged to the hook-shaped end of the hook-shaped rod, the adjusting buckle is arranged in an installation groove formed in the bending part of the hook-shaped rod, and the free end of the anti-falling rod can be buckled and connected with the adjusting buckle.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the adjusting buckle comprises a central shaft, a profile rod and a return spring, wherein the central shaft is transversely connected in the mounting groove, the profile bottom of the profile rod is movably sleeved on the outer wall of the central shaft, the return spring is sleeved on the central shaft, one end of the return spring is connected with the profile rod, and the other end of the return spring is connected with the inner cavity side wall of the mounting groove.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the side wall of the profile rod is also provided with a profile rod, the short side of the profile rod is connected with the side wall of the profile rod, and the long side of the profile rod extends to the outer side of the hook rod.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the ladder frame comprises ladder rods and ladder beams, the ladder rods are symmetrically connected to the two ends of the ladder beams, and the number of the ladder beams is not less than three.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the connecting piece comprises an inserting part, a slot part and a connecting pipe, the inserting part is positioned at the end part of the rod body of the hook-shaped rod, the slot part is positioned at the end part of the rod body of the ladder rod, the inserting part and the slot part can be matched with each other, and the connecting pipe is matched and sleeved at the joint of the inserting part and the slot part.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the inserting part comprises an inserting head, a fastening external thread and a first internal thread, the inserting head is positioned on the side wall of the end part of the hook-shaped rod, the fastening external thread is arranged on the circumferential side wall of the inserting head, and the first internal thread is positioned on the side wall of the rod body of the hook-shaped rod; the inserting groove part comprises an inserting groove, a fastening internal thread and a second internal thread, the inserting groove is connected with the inserting connector in a matched mode, the fastening internal thread is arranged in the groove of the inserting groove, and the second internal thread is located on the side wall of the ladder bar body; the inner cavity of the connecting pipe is hollow, external threads are symmetrically arranged at two ends in the connecting pipe, and the external threads can be matched and connected with the first internal threads and the second internal threads respectively;
as a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the fastening external thread can be connected with the fastening internal thread in a matched mode, and the fastening internal thread comprises a first fastening internal thread and a second fastening internal thread which are distributed at an interval of 90 degrees.
As a preferable aspect of the novel rope ladder head with a protective structure of the present invention, wherein: the protection piece includes arc rail, limiting spring and gag lever post, the body of rod tip of arc rail articulates on the upper end lateral wall of ladder bar, and limiting spring one end articulate in on the body of rod of ladder bar, the other end connect in on the tip lateral wall of arc rail, the one end of gag lever post articulate in on the body of rod of ladder bar, the other end can swing joint in on the body of rod lateral wall of arc rail.
The invention has the beneficial effects that:
the novel rope ladder head is additionally provided with the anti-falling fastener at the end part of the wire hanging rack, the fastener is simple in structure, good in matching effect and high in safety after being fastened; the connecting piece can adjust the connecting state of the ladder head and the ladder frame to correspond to different using states, thereby improving the application range of the device; and the protection piece in the ladder pole can increase the regulation application scope of arc surrounding rod, effectively improves the result of use of rope ladder head.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic overall structure diagram of the novel rope ladder head with a protective structure of the invention.
Fig. 2 is a side bottom view of the novel rope ladder head with a protective structure according to the present invention.
Fig. 3 is a schematic structural view of the adjusting buckle of the novel rope ladder head with the protective structure.
Fig. 4 is a schematic view showing a separation and enlargement structure of the connector of the novel rope ladder head with the protection structure of the invention.
Fig. 5 is a schematic view of the internal structure of the connector of the novel rope ladder head with the protective structure of the invention.
Fig. 6 is a schematic view showing the action fastening process of the anti-drop fastener of the novel rope ladder head with the protective structure of the present invention.
Fig. 7 is a schematic view of the overall structure of the novel rope ladder head with the protection structure in the second state.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1, for the first embodiment of the present invention, there is provided a novel rope ladder head with a guard structure, the rope ladder head comprising a ladder head assembly 100 and a ladder frame assembly 200, wherein the ladder head assembly 100 comprises a ladder head 101 and a retaining fastener 102, the retaining fastener 102 is disposed in a side wall of a shaving head 101; the ladder frame assembly 200 comprises a ladder frame 201 and a connecting piece 202, wherein the connecting piece 202 is arranged at the end part of the ladder frame 201, and the ladder frame 201 is connected with the ladder head 101 through the connecting piece 202.
The improved novel rope ladder head keeps an external structure similar to that of a traditional rope ladder head and has the characteristics of firmness and durability of the traditional rope ladder head, and the difference is that an anti-falling fastener 102 is further arranged in the ladder head assembly 100, the ladder head assembly 100 is a hanging part of the upper half part of the rope ladder head, the ladder head 101 is used for being hung on a power cable, and the anti-falling fastener 102 is used for reinforcing the ladder head 101 to prevent the rope ladder head from falling off the power cable; the ladder frame assembly 200 is a portion of the lower half of the rope ladder head on which the maintainers step, wherein the ladder frame 201 is similar to the conventional ladder structure and is used for the maintainers to climb on, and the connecting member 202 is used for connecting the ladder head 101 and the ladder frame 201, and the connecting member 202 has an innovative structure in that the installation angles of the ladder head 101 and the ladder frame 201 can be adjusted, so that different use states can be achieved.
Example 2
Referring to fig. 1, 2, 4, 5 and 6, a second embodiment of the present invention, which differs from the first embodiment, is: the ladder head 101 includes a hook bar 101a and a guide wheel 101b, and the guide wheel 101b is rotatably provided to a bent portion of the hook bar 101a by a drive shaft 101c engageable therewith.
Compared with the embodiment 1, further, as shown in fig. 1, 2 and 4, the hook-shaped rod 101a in the ladder head 101 is in the shape of question mark, the rod body is formed by bending a rod, the integral structure is firmer, and as shown in the figure, the guide wheel 101b is rotatably arranged at the hook-shaped bending part of the hook-shaped rod 101 a; it should be noted that the longitudinal center line of the guide wheel 101b and the tail end rod body of the hook rod 101a are always located on the same straight line, an arc-shaped groove is formed in the circumferential side wall of the guide wheel 101b, and when the guide wheel is hung, the electric power cable is limited in the mutual grooves; preferably, the axis of the guide pulley 101b is installed by a driving shaft 101c, and one end of the driving shaft 101c near the opening of the bending part of the hooked rod 101a is provided with a matching opening S, through which the driving shaft 101c can be connected with an output shaft of an externally installed motor, so that when the rope ladder is hung on a power cable, the movement of the rope ladder head can be facilitated.
The rest of the structure is the same as that of embodiment 1.
Example 3
Referring to fig. 2, 3 and 5, a third embodiment of the present invention, which differs from the second embodiment, is: the anti-falling fastener 102 includes an anti-falling rod 102a and an adjusting buckle 102b, one end of the anti-falling rod 102a is hinged to the hook-shaped end of the hook-shaped rod 101a, the adjusting buckle 102b is arranged in the mounting groove M formed in the bent portion of the hook-shaped rod 101a, and the free end of the anti-falling rod 102a can be connected with the adjusting buckle 102b in a buckling manner.
The adjusting buckle 102b comprises a central shaft 102b-1, a V-shaped rod 102b-2 and a return spring 102b-3, wherein the central shaft 102b-1 is transversely connected in the installation groove M, the V-shaped bottom of the V-shaped rod 102b-2 is movably sleeved on the outer wall of the central shaft 102b-1, the return spring 102b-3 is sleeved on the central shaft 102b-1, one end of the return spring is connected with the V-shaped rod 102b-2, and the other end of the return spring is connected with the inner cavity side wall of the installation groove M.
The side wall of the V-shaped rod 102b-2 is also provided with an L-shaped rod 102b-21, the short side of the L-shaped rod 102b-21 is connected with the side wall of the V-shaped rod 102b-2, and the long side extends to the outer side of the hooked rod 101 a.
Compared with the embodiment 2, further, the anti-falling off rod 102a of the anti-falling off fastener 102 has one end hinged to the hook-shaped end of the hook-shaped rod 101a and located at the lower end of the guide wheel 101b, and the other end is a free end capable of being fastened with the adjusting buckle 102b, and the adjusting buckle 102b is located on the hook-shaped rod 101a and at a position corresponding to the hinged end of the anti-falling off rod 102a, as shown in the figure.
Specifically, the V-shaped bottom of the V-shaped rod 102b-2 of the adjusting buckle 102b is connected to the central shaft 102b-1 and can freely deflect around the central shaft 102b-1, and the V-shaped rod 102b-2 can be used in cooperation with the anti-falling rod 102a, so as to abut against the anti-falling rod 102a, thereby generating a fastening buckling effect. Meanwhile, the side wall of the body of the V-shaped rod 102b-2 is also provided with an L-shaped rod 102b-21, the L-shaped rod 102b-21 is used for assisting in changing the position of the V-shaped rod 102b-2, further changing the engaging state, in detail, the L-shaped long sides of the L-shaped bars 102b-21 extend outside the body of the hook bar 101a, the end parts of the L-shaped rods can be connected through cables or steel wires and can be controlled by a maintainer, when the buckling state of the V-shaped rod 102b-2 and the anti-falling rod 102a needs to be relieved, the maintainer can pull the L-shaped rod 102b-21, so that the V-shaped rod 102b-2 is displaced along the central axis 102b-1, the anti-slip rod 102a is released, and when the buckled state is released, the return spring 102b-3 pushes the V-shaped rod 102b-2 to return to the original state for buckling in the next connection.
The rest of the structure is the same as that of embodiment 2.
Example 4
Referring to fig. 1, 2, 4 and 7, a fourth embodiment of the present invention, which differs from the third embodiment, is: the ladder frame 201 comprises ladder bars 201a and ladder beams 201b, the ladder bars 201a are symmetrically connected to two ends of the ladder beams 201b, and the number of the ladder beams 201b is not less than three.
Compare in embodiment 3, further, ladder frame 201 is similar with the latter half structure of traditional rope ladder head, and mainly used maintainer's foot is stepped on and is climbed, and ladder pole 201a and ladder beam 201b constitute the main part of ladder frame 201, and is similar with the ladder structure of traditional subaerial use, and ladder beam 201b is provided with and is no less than three aim at, reinforcing and the holistic fastening nature of being connected of ladder pole 201a, and simultaneously, ladder beam 201b is the more, and maintainer can have more highly to select. And the upper end of the ladder frame 201 is also provided with a hanging beam for placing tools and equipment required by the maintenance of the power cable.
The rest of the structure is the same as that of example 3.
Example 5
Referring to fig. 4 and 5, a fifth embodiment of the present invention, which is different from the fourth embodiment, is: the connecting member 202 includes a plug portion 202a, a slot portion 202b and a connecting tube 202c, the plug portion 202a is located at the rod body end of the hook rod 101a, the slot portion 202b is located at the rod body end of the ladder rod 201a, the plug portion 202a and the slot portion 202b can be matched with each other, and the connecting tube 202c is matched and sleeved at the joint of the two.
The plug part 202a comprises a plug 202a-1, a fastening external thread 202a-2 and a first internal thread 202a-3, the plug 202a-1 is positioned on the end side wall of the hook rod 101a, the fastening external thread 202a-2 is opened on the circumferential side wall of the plug 202a-1, and the first internal thread 202a-2 is positioned on the rod body side wall of the hook rod 101 a;
the inserting groove part 202b comprises an inserting groove 202b-1, a fastening internal thread 202b-2 and a second internal thread 202b-3, the inserting groove 202b-1 is connected with the inserting head 202a-1 in a matching mode, the fastening internal thread 202b-2 is arranged in the groove of the inserting groove 202b-1, and the second internal thread 202b-2 is located on the side wall of the rod body of the ladder rod 201 a;
the inner cavity of the connecting pipe 202c is hollow, external threads 202c-1 are symmetrically arranged at two ends in the connecting pipe, and the external threads 202c-1 can be respectively matched and connected with the first internal threads 202a-2 and the second internal threads 202 b-2;
fastening male screw 202a-2 is capable of being coupled with fastening female screw 202b-2, and fastening female screw 202b-2 includes first fastening female screw 202b-21 and second fastening female screw 202b-22, which are spaced apart by 90 degrees.
Compared with the embodiment 4, further, the connecting member 202 includes a plug portion 202a disposed at the end of the hook rod 101a, a slot portion 202b disposed on the sidewall of the top of the rod 201a, and a connecting tube 202c fittingly disposed at the connection portion between the plug portion 202a and the slot portion 202 b.
Specifically, the plug 202a-1 in the plug 202a is located on the end side wall of the hook rod 101a and extends axially along the rod body, and the outer side wall of the plug 202a-1 is provided with a fastening external thread 202a-2 for fastening connection; the side wall of the hook rod 101a at the tail end of the plug 202a-1 is provided with a first internal thread 202 a-2; it should be noted that a protrusion T is further provided on a side wall of the plug 202a-1 near the hook rod 101a for keeping a limit during plugging.
Further, a plug groove 202b-1 in the plug groove portion 202b is opened in the side wall of the end portion of the ladder bar 201a, and the depth of the groove is matched with that of the plug 202 a-1. Fastening internal threads 202b-2 are arranged on the side wall of the inner cavity of the insertion groove 202b-1, two groups of non-interfering internal thread grooves are arranged, and the thread ports of the two groups of internal thread grooves are spaced by 90 degrees; and are each capable of mating engagement with the fastening external threads 202 a-2. It should be further noted that there are two grooves V at the notch of the insertion groove 202b-1, corresponding to the two sets of fastening internal threads 202b-2, and capable of correspondingly fitting with the projection T. Namely, when the plug 202a-1 is plugged with the plug groove 202b-1, the rapid assembly can be guided by referring to the matching of the projection T and the groove V, and the assembly efficiency is further improved.
The connecting pipe 202c is used for reinforcing the joint of the hook rod 101a and the ladder bar 201a for the second time, the first internal thread 202a-2 and the second internal thread 202a-2 have the same lines and can be matched and connected with the second internal thread 202b-2 in the connecting pipe 202c, and further are coated on the outer side of the joint of the ladder bar 201a and the hook rod 101a, so that the connection safety is improved.
The rest of the structure is the same as that of example 4.
Example 6
Referring to fig. 1, 4, 6 and 7, a fifth embodiment of the present invention, which is different from the fourth embodiment, is: the protection piece 203 comprises an arc surrounding rod 203a, a limiting spring 203b and a limiting rod 203c, the end part of the rod body of the arc surrounding rod 203a is hinged on the upper end side wall of the ladder rod 201a, one end of the limiting spring 203b is hinged on the rod body of the ladder rod 201a, the other end of the limiting spring is connected on the end side wall of the arc surrounding rod 203a, one end of the limiting rod 203c is hinged on the rod body of the ladder rod 201a, and the other end of the limiting rod can be movably connected on the rod body side wall of the arc surrounding rod 203 a.
Compared with the embodiment 5, further, the protection piece 203 is a component arranged on the ladder frame 201 for protecting the maintainers, wherein two ends of the arc-shaped surrounding rod 203a are respectively hinged on the rod bodies of the two ladder rods 201 a; one end of the limiting spring 203b is fixedly connected to the outer side wall of the ladder bar 201a, and the other end of the limiting spring is fixedly connected to the bar body side wall of the arc surrounding bar 203a and used for keeping the half-containing state of the arc surrounding bar 203 a; the limiting rod 203c is connected to the side wall of the rod body of the ladder rod 201a and is used for limiting the arc surrounding rod 203a to keep a certain fixed angle; as shown in the drawing, one end of the limiting rod 203c is hinged to the rod body of the ladder rod 201a, the other end of the limiting rod is movably connected to the side wall of the rod body of the arc surrounding rod 203a, and in particular, the hook 203c-1 is arranged at one end of the limiting rod 203c connected with the arc surrounding rod 203 a; the rod body of the arc surrounding rod 203a is provided with a plurality of hanging nails 203a-1, and the hook 203c-1 can be matched and hung on any hanging nail 203 a-1. When in use, the unfolding position of the arc-shaped surrounding rod 203a can be adjusted by manually controlling the combination of the card connecting block 203c-12 and a certain limiting hole 203a-2, so that the position of the arc-shaped surrounding rod 203a is kept unchanged.
The rest of the structure is the same as that of example 5.
With reference to fig. 1 to 7, before use, the ladder bar 201a and the hook bar 101a are assembled according to the use environment, the connection state of the ladder bar 201a and the hook bar 101a is adjusted, during connection, the plug 202a-1 is inserted into the plug groove 202b-1, the assembly of the ladder bar 201a and the hook bar is guided by the matching of the protrusion T and the groove V, and then the ladder bar 201a or the hook bar 101a is screwed, so that the fastening external thread 202a-2 is matched and connected with the first fastening internal thread 202b-21 or the second fastening internal thread 202b-22, and the axes of the guide wheels 101b are parallel or collinear, so as to adapt to different use environments; the connecting pipe 202c at the end of the ladder bar 201a or the hook bar 101a is completely covered outside the joint of the ladder bar 201a and the hook bar, so that the connecting effect and the safety are improved.
In the using process, the process of hanging the electric power cable is the same as the using process of the traditional rope ladder head, so that the guide wheel 101b is positioned above the electric power cable, and the difference is that a maintainer can push the anti-falling rod 102a to deflect, so that the free end of the anti-falling rod 102a pushes the V-shaped rod 102b-2 to deflect around the central shaft 102b-1, when the free end of the anti-falling rod 102a deflects to the other side of the V-shaped rod 102b-2, one side of the V-shaped rod 102b-2 props against the side wall of the mounting groove M, and the other side props against the anti-falling rod 102a, so that the anti-falling rod 102a cannot deflect to the initial position, is stably fixed below the guide wheel 101 b. When the release is needed, the cable connected to the L-shaped rod 102b-21 can be pulled, so that the V-shaped rod 102b-2 is laterally displaced along the central shaft 102b-1, the abutting structure between the V-shaped rod 102b-2 and the anti-falling rod 102a disappears, the anti-falling rod 102a is released, and after the cable is released, the V-shaped rod 102b-2 returns to the initial position under the reset action of the reset spring 102b-3 for the next matching use.
For the protection part 203 in the ladder rack assembly 200, in the using process, after climbing the ladder rod 201a, a maintainer can unfold the arc surrounding rod 203a to unfold the arc surrounding rod from the folded and stored state, the maintainer can lean the back or waist on the arc rod body of the arc surrounding rod 203a and is also suitable for people with different heights to use, and due to the existence of the limiting spring 203b, the adjustable arc surrounding rod 203a can be kept in a certain variable angle, and the hook 203c-1 is matched with a certain hanging nail 203a-1 to further keep the arc surrounding rod 203a to keep a certain closed angle unchanged, so that a plurality of using states are provided.
The novel structure of this scheme can adjust out two kinds of structures to be suitable for two kinds of behaviour in service, and simple structure, easy dismounting, sound construction has fine practicality.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a novel rope ladder head with protective structure which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the ladder head assembly (100) comprises a ladder head (101) and an anti-falling fastener (102), wherein the anti-falling fastener (102) is arranged in the side wall of the shaving head (101);
the ladder frame assembly (200) comprises a ladder frame (201), a connecting piece (202) and a protection piece (203), wherein the connecting piece (202) is arranged at the end part of the ladder frame (201), the ladder frame (201) is connected with a ladder head (101) through the connecting piece (202), and the protection piece (203) is arranged on the ladder frame (201).
2. The novel rope ladder head with protective structure as claimed in claim 1, wherein: the ladder head (101) comprises a hook-shaped rod (101a) and a guide wheel (101b), and the guide wheel (101b) is rotatably arranged at the bending part of the hook-shaped rod (101a) through a driving shaft (101c) which can be matched.
3. The novel rope ladder head with protective structure as claimed in claim 2, wherein: the anti-drop fastener (102) comprises an anti-drop rod (102a) and an adjusting buckle (102b), one end of the anti-drop rod (102a) is hinged to the hook-shaped end part of the hook-shaped rod (101a), the adjusting buckle (102b) is arranged in an installation groove (M) formed in the bent part of the hook-shaped rod (101a), and the free end of the anti-drop rod (102a) can be connected with the adjusting buckle (102b) in a buckling mode.
4. The novel rope ladder head with protective structure as claimed in claim 3, wherein: the adjusting buckle (102b) comprises a central shaft (102b-1), a V-shaped rod (102b-2) and a return spring (102b-3), wherein the central shaft (102b-1) is transversely connected in the mounting groove (M), the V-shaped bottom of the V-shaped rod (102b-2) is movably sleeved on the outer wall of the central shaft (102b-1), the return spring (102b-3) is sleeved on the central shaft (102b-1), one end of the return spring is connected with the V-shaped rod (102b-2), and the other end of the return spring is connected with the side wall of the inner cavity of the mounting groove (M).
5. The novel rope ladder head with protective structure as claimed in claim 4, wherein: the side wall of the V-shaped rod (102b-2) is also provided with an L-shaped rod (102b-21), the short side of the L-shaped rod (102b-21) is connected with the side wall of the V-shaped rod (102b-2), and the long side extends to the outer side of the hook-shaped rod (101 a).
6. The novel rope ladder head with protective structure of claim 5, characterized in that: ladder frame (201) include ladder pole (201a) and ladder roof beam (201b), the both ends symmetric connection of ladder roof beam (201b) has ladder pole (201a), three are no less than in ladder roof beam (201 b).
7. The novel rope ladder head with protective structure as claimed in claim 6, wherein: the connecting piece (202) comprises an inserting part (202a), a slot part (202b) and a connecting pipe (202c), the inserting part (202a) is located at the end part of the rod body of the hook-shaped rod (101a), the slot part (202b) is located at the end part of the rod body of the ladder rod (201a), the inserting part (202a) and the slot part (202b) can be matched with each other, and the connecting pipe (202c) is matched and sleeved at the connecting position of the inserting part and the slot part.
8. The novel rope ladder head with protective structure as claimed in claim 7, wherein: the plug part (202a) comprises a plug connector (202a-1), a fastening external thread (202a-2) and a first internal thread (202a-3), the plug connector (202a-1) is positioned on the end side wall of the hook-shaped rod (101a), the fastening external thread (202a-2) is opened on the circumferential side wall of the plug connector (202a-1), and the first internal thread (202a-2) is positioned on the rod body side wall of the hook-shaped rod (101 a);
the socket part (202b) comprises a socket groove (202b-1), a fastening internal thread (202b-2) and a second internal thread (202b-3), the socket groove (202b-1) is matched and connected with the plug connector (202a-1), the fastening internal thread (202b-2) is arranged in the socket groove of the socket groove (202b-1), and the second internal thread (202b-2) is positioned on the side wall of the rod body of the ladder rod (201 a);
the connecting pipe (202c) is hollow in an inner cavity, external threads (202c-1) are symmetrically arranged at two ends in the connecting pipe, and the external threads (202c-1) can be matched and connected with the first internal threads (202a-2) and the second internal threads (202b-2) respectively.
9. The novel rope ladder head with protective structure as claimed in claim 8, wherein: the fastening external thread (202a-2) can be matched and connected with the fastening internal thread (202b-2), and the fastening internal thread (202b-2) comprises a first fastening internal thread (202b-21) and a second fastening internal thread (202b-22) which are distributed at intervals of 90 degrees.
10. The novel rope ladder head with protective structure of claim 9, characterized in that: the protection piece (203) comprises an arc surrounding rod (203a), a limiting spring (203b) and a limiting rod (203c), the rod body end part of the arc surrounding rod (203a) is hinged to the upper end side wall of the ladder rod (201a), one end of the limiting spring (203b) is hinged to the rod body of the ladder rod (201a), the other end of the limiting spring is connected to the end side wall of the arc surrounding rod (203a), one end of the limiting rod (203c) is hinged to the rod body of the ladder rod (201a), and the other end of the limiting spring can be movably connected to the rod body side wall of the arc surrounding rod (203 a).
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| CN202010985954.8A CN112112550B (en) | 2020-09-18 | 2020-09-18 | Novel rope ladder head with protective structure |
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| CN202010985954.8A CN112112550B (en) | 2020-09-18 | 2020-09-18 | Novel rope ladder head with protective structure |
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| CN112112550B CN112112550B (en) | 2022-05-06 |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS641890A (en) * | 1987-06-24 | 1989-01-06 | Nippon Telegr & Teleph Corp <Ntt> | Ladder hook |
| JPH07277667A (en) * | 1994-04-04 | 1995-10-24 | Masanori Kusushige | Hook device |
| EP1939132A2 (en) * | 2006-12-27 | 2008-07-02 | Pfeifer Holding GmbH & Co. KG | Remote-controlled load holder or hook |
| CN201802298U (en) * | 2010-09-29 | 2011-04-20 | 新疆电力公司昌吉电业局 | Overhead power transmission line electrified ladder head locking device |
| CN203452636U (en) * | 2013-08-22 | 2014-02-26 | 北京安龙科技集团有限公司 | Rope ladder |
| CN103993826A (en) * | 2014-05-30 | 2014-08-20 | 国家电网公司 | Safety rope ladder capable of automatically sealing door |
| WO2014206859A1 (en) * | 2013-06-27 | 2014-12-31 | Dellai Graziano | Automatic lifting hook |
| CN204609743U (en) * | 2015-03-31 | 2015-09-02 | 国家电网公司 | With the aluminium alloys hanging ladder of Self-enclosing structure |
| CN204751919U (en) * | 2015-06-30 | 2015-11-11 | 浙江五联建设有限公司 | Auto -lock hook assembly |
| CN205400560U (en) * | 2016-02-26 | 2016-07-27 | 唐伟斌 | Convenient storage's electric power overhaul ladder |
| CN205558788U (en) * | 2016-03-22 | 2016-09-07 | 国网山东省电力公司费县供电公司 | Iron tower cat ladder |
| CN206468285U (en) * | 2017-01-16 | 2017-09-05 | 北京天泽电力器材有限公司 | A kind of detachable centipede type ladder |
| CN208502645U (en) * | 2018-01-22 | 2019-02-15 | 张凤菊 | Livewire work insulating ladder |
| CN209430108U (en) * | 2018-10-09 | 2019-09-24 | 国网青海省电力公司检修公司 | Automatic blocking rope ladder head |
| CN209536793U (en) * | 2018-11-19 | 2019-10-25 | 甘肃博睿交通重型装备制造有限公司 | A kind of mousing-hook safety device |
| CN111146758A (en) * | 2020-01-24 | 2020-05-12 | 天津市中力防雷技术有限公司 | Tripping mechanism and surge protector adopting same |
| CN210763938U (en) * | 2019-11-05 | 2020-06-16 | 江苏海港成套设备安装有限公司 | Rotatory lifting hook in oil field |
| CN210829048U (en) * | 2019-07-26 | 2020-06-23 | 国网山东省电力公司泰安供电公司 | Special ladder for jumper maintenance of 110kV-220kV strain tower |
| CN210979528U (en) * | 2020-01-13 | 2020-07-10 | 中山市锐晟照明有限公司 | Adsorption type wall lamp |
-
2020
- 2020-09-18 CN CN202010985954.8A patent/CN112112550B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS641890A (en) * | 1987-06-24 | 1989-01-06 | Nippon Telegr & Teleph Corp <Ntt> | Ladder hook |
| JPH07277667A (en) * | 1994-04-04 | 1995-10-24 | Masanori Kusushige | Hook device |
| EP1939132A2 (en) * | 2006-12-27 | 2008-07-02 | Pfeifer Holding GmbH & Co. KG | Remote-controlled load holder or hook |
| CN201802298U (en) * | 2010-09-29 | 2011-04-20 | 新疆电力公司昌吉电业局 | Overhead power transmission line electrified ladder head locking device |
| WO2014206859A1 (en) * | 2013-06-27 | 2014-12-31 | Dellai Graziano | Automatic lifting hook |
| CN203452636U (en) * | 2013-08-22 | 2014-02-26 | 北京安龙科技集团有限公司 | Rope ladder |
| CN103993826A (en) * | 2014-05-30 | 2014-08-20 | 国家电网公司 | Safety rope ladder capable of automatically sealing door |
| CN204609743U (en) * | 2015-03-31 | 2015-09-02 | 国家电网公司 | With the aluminium alloys hanging ladder of Self-enclosing structure |
| CN204751919U (en) * | 2015-06-30 | 2015-11-11 | 浙江五联建设有限公司 | Auto -lock hook assembly |
| CN205400560U (en) * | 2016-02-26 | 2016-07-27 | 唐伟斌 | Convenient storage's electric power overhaul ladder |
| CN205558788U (en) * | 2016-03-22 | 2016-09-07 | 国网山东省电力公司费县供电公司 | Iron tower cat ladder |
| CN206468285U (en) * | 2017-01-16 | 2017-09-05 | 北京天泽电力器材有限公司 | A kind of detachable centipede type ladder |
| CN208502645U (en) * | 2018-01-22 | 2019-02-15 | 张凤菊 | Livewire work insulating ladder |
| CN209430108U (en) * | 2018-10-09 | 2019-09-24 | 国网青海省电力公司检修公司 | Automatic blocking rope ladder head |
| CN209536793U (en) * | 2018-11-19 | 2019-10-25 | 甘肃博睿交通重型装备制造有限公司 | A kind of mousing-hook safety device |
| CN210829048U (en) * | 2019-07-26 | 2020-06-23 | 国网山东省电力公司泰安供电公司 | Special ladder for jumper maintenance of 110kV-220kV strain tower |
| CN210763938U (en) * | 2019-11-05 | 2020-06-16 | 江苏海港成套设备安装有限公司 | Rotatory lifting hook in oil field |
| CN210979528U (en) * | 2020-01-13 | 2020-07-10 | 中山市锐晟照明有限公司 | Adsorption type wall lamp |
| CN111146758A (en) * | 2020-01-24 | 2020-05-12 | 天津市中力防雷技术有限公司 | Tripping mechanism and surge protector adopting same |
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|---|---|
| CN112112550B (en) | 2022-05-06 |
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