CN112112551A - Novel rope ladder head of structure - Google Patents
Novel rope ladder head of structure Download PDFInfo
- Publication number
- CN112112551A CN112112551A CN202010988520.3A CN202010988520A CN112112551A CN 112112551 A CN112112551 A CN 112112551A CN 202010988520 A CN202010988520 A CN 202010988520A CN 112112551 A CN112112551 A CN 112112551A
- Authority
- CN
- China
- Prior art keywords
- rod
- ladder
- head
- shaped rod
- ladder head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a rope ladder head with a novel 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 rope ladder head with a novel 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 safety hazard exists in the use process, because the hanging line mode of the rope ladder head is a mode of firstly crossing a transverse hanging mode, and the other two sides of the rope ladder head do not have a one-off 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. 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 structure of the rope ladder head, and the novel structure 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 rope ladder head with a novel structure, and the rope ladder head aims to solve the problems of poor structure, low safety and single use state of the existing rope ladder head.
In order to solve the technical problems, the invention provides the following technical scheme: a rope ladder head with a novel 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; ladder frame subassembly, including ladder frame and connecting piece, the connecting piece set up in the tip of ladder frame, ladder frame passes through the connecting piece links to each other with the ladder head.
As a preferable aspect of the rope ladder head of the novel 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 rope ladder head of the novel 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 rope ladder head of the novel 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 rope ladder head of the novel 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 rope ladder head of the novel structure of the present invention, wherein: the ladder frame comprises ladder rods, ladder beams and arc-shaped enclosing rods, the ladder rods are symmetrically connected to the two ends of the ladder beams, and the arc-shaped enclosing rods are movably hinged to the upper end rod body of each ladder rod.
As a preferable aspect of the rope ladder head of the novel 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 rope ladder head of the novel structure of the present invention, wherein: the insertion part comprises an insertion head and a first internal thread, the insertion head is arranged on the side wall of the end part of the hook-shaped rod, and the first internal thread is positioned on the side wall of the rod body of the hook-shaped rod.
As a preferable aspect of the rope ladder head of the novel structure of the present invention, wherein: the inserting groove part comprises an inserting groove and a second internal thread, the inserting groove is connected with the inserting connector in a matched mode, and the second internal thread is located on the side wall of the ladder rod body.
As a preferable aspect of the rope ladder head of the novel structure of the present invention, wherein: 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.
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 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.
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 view of the overall structure of the rope ladder head of the novel structure of the present invention.
Fig. 2 is a schematic side-view and bottom-view structure of the rope ladder head with the novel structure of the invention.
Fig. 3 is a schematic structural view of an adjusting buckle body of the rope ladder head with a novel structure of the invention.
Fig. 4 is a schematic view showing the action fastening process of the anti-drop fastener of the rope ladder head with the novel structure of the invention.
Fig. 5 is a schematic view showing a separated and enlarged structure of a connector of the rope ladder head of the novel structure of the present invention.
Fig. 6 is a schematic view of the overall structure of the rope ladder head 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, a novel structure of a rope ladder head is provided, the rope ladder head comprises a ladder head assembly 100 and a ladder frame assembly 200, wherein the ladder head assembly 100 comprises a ladder head 101 and an anti-falling fastener 102, the anti-falling 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 and 4, 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 to 4, a third embodiment of the present invention is different from the second embodiment in that: 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. 5, a fourth embodiment of the present invention is different from the third embodiment in that: the ladder frame 201 comprises ladder bars 201a, ladder beams 201b and arc-shaped enclosing rods 201c, the ladder bars 201a are symmetrically connected to the two ends of the ladder beams 201b, and the arc-shaped enclosing rods 201c are movably hinged to the upper end rod body of the ladder bars 201 a. .
Compare in embodiment 3, furtherly, ladder frame 201 is similar with the latter half structure of traditional rope ladder head, mainly used maintainer's foot is stepped on and is climbed, ladder pole 201a and ladder roof beam 201b have constituted the main part of ladder frame 201, and still installed arc enclosing rod 201c additional, be used for assisting maintainer to step on ladder roof beam 201b and keep stable, arc enclosing rod 201 c's articulated department still is provided with spacing support, make arc enclosing rod 201c expand the back and keep perpendicular with ladder pole 201a, and still be provided with the hanging beam in the upper end of ladder frame 201, be used for placing required instrument of power cable maintenance and equipment.
The rest of the structure is the same as that of example 3.
Example 5
Referring to fig. 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 portion 202a includes a plug 202a-1 and a first internal thread 202a-2, the plug 202a-1 being provided on the end side wall of the hook lever 101a, and the first internal thread 202a-2 being provided on the body side wall of the hook lever 101 a.
The socket part 202b comprises a socket 202b-1 and a second internal thread 202b-2, the socket 202b-1 is connected with the plug 202a-1 in a matching way, and the second internal thread 202b-2 is arranged on the side wall of the rod body of the ladder rod 201 a.
The connecting pipe 202c has a hollow inner cavity, and external threads 202c-1 are symmetrically arranged at two ends in the pipe, and the external threads 202c-1 can be respectively connected with the first internal threads 202a-2 and the second internal threads 202b-2 in a matching manner.
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 side wall of the end of the hook-shaped rod 101a and extends axially along the rod body, the plug 202a-1 can be square, rhombic or other regular shapes which can conveniently judge the rotation angle, and the square is preferred in the scheme; the hook-shaped rod 101a at the end of the connector 202a-1 has a first internal thread 202a-2 on its sidewall, and the first internal thread 202a-2 has the same thread as the second internal thread 202a-2 and can be coupled with the second internal thread 202b-2 in the connecting tube 202c to reinforce the joint between the ladder bar 201a and the hook-shaped rod 101 a.
Furthermore, the insertion groove 202b-1 in the insertion groove part 202b is opened on the side wall of the end part of the ladder bar 201a, and the depth and the shape of the groove are matched with those of the insertion head 202 a-1. Preferably, a through hole a is further formed in the side wall of the plug 202a-1, the through hole a is formed by a one-way hole a1 and a two-way hole a2 which are perpendicular to each other, a through hole B penetrating through the plug slot 202B-1 is formed in the plug slot portion 202B, the through hole B can be communicated with any one of the one-way hole a1 and the two-way hole a2, and a pin T is arranged to be inserted into the through hole B in a matching manner, so that the connection effect of the ladder bar 201a and the hook bar 101a is improved.
The rest of the structure is the same as that of example 3.
With reference to fig. 1-6, before use, the connection state of the ladder bar 201a and the hook bar 101a is adjusted according to the use condition, when in connection, the plug 202a-1 is inserted into the plug groove 202B-1, the through hole B is communicated with the one-way hole a1 or the two-way hole a2, the pin T is inserted, and then the connection tube 202c at the end of the ladder bar 201a or the hook bar 101a is screwed to be completely wrapped outside the plug groove 202B-1.
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.
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 rope ladder head of novel 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);
ladder frame subassembly (200), including ladder frame (201) and connecting piece (202), connecting piece (202) set up in the tip of ladder frame (201), ladder frame (201) pass through connecting piece (202) link to each other with ladder head (101).
2. The rope ladder head of novel 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 rope ladder head of the new structure as set forth 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 rope ladder head of the new structure as set forth 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 rope ladder head of novel 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 rope ladder head of novel structure as claimed in claim 5, wherein: ladder frame (201) encloses pole (201c) including terraced pole (201a), terraced roof beam (201b) and arc, the both ends symmetric connection of terraced roof beam (201b) has terraced pole (201a), and arc encloses pole (201c) activity hinge on the upper end body of rod of terraced pole (201 a).
7. The rope ladder head of novel 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 rope ladder head of novel structure as claimed in claim 7, wherein: the plug part (202a) comprises a plug connector (202a-1) and a first internal thread (202a-2), the plug connector (202a-1) is arranged on the end side wall of the hook-shaped rod (101a), and the first internal thread (202a-2) is arranged on the rod body side wall of the hook-shaped rod (101 a).
9. The rope ladder head of novel structure as claimed in claim 8, wherein: the inserting groove part (202b) comprises an inserting groove (202b-1) and a second internal thread (202b-2), the inserting groove (202b-1) is connected with the inserting head (202a-1) in a matched mode, and the second internal thread (202b-2) is located on the side wall of the rod body of the ladder rod (201 a).
10. The novel structure of the rope ladder head as claimed in claim 9, wherein: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988520.3A CN112112551B (en) | 2020-09-18 | 2020-09-18 | Novel rope ladder head of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988520.3A CN112112551B (en) | 2020-09-18 | 2020-09-18 | Novel rope ladder head of structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112112551A true CN112112551A (en) | 2020-12-22 |
| CN112112551B CN112112551B (en) | 2022-04-15 |
Family
ID=73799913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010988520.3A Active CN112112551B (en) | 2020-09-18 | 2020-09-18 | Novel rope ladder head of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112112551B (en) |
Citations (21)
| 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 |
| US20050284703A1 (en) * | 2004-06-29 | 2005-12-29 | Deuer Joseph F | Mid-span fall protection system |
| EP1939132A2 (en) * | 2006-12-27 | 2008-07-02 | Pfeifer Holding GmbH & Co. KG | Remote-controlled load holder or 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 |
| 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 |
| CN208087055U (en) * | 2018-01-31 | 2018-11-13 | 中冶建设高新工程技术有限责任公司 | The suspension hook of mousing-hook |
| CN208502645U (en) * | 2018-01-22 | 2019-02-15 | 张凤菊 | Livewire work insulating ladder |
| US20190063152A1 (en) * | 2017-08-28 | 2019-02-28 | Louisville Ladder Inc. | Cable trap system and method |
| 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 |
| 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 |
| CN111408077A (en) * | 2020-05-07 | 2020-07-14 | 中衡卓创国际工程设计有限公司 | Personnel safety escape device based on vertical greening of building outer wall surface |
-
2020
- 2020-09-18 CN CN202010988520.3A patent/CN112112551B/en active Active
Patent Citations (21)
| 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 |
| US20050284703A1 (en) * | 2004-06-29 | 2005-12-29 | Deuer Joseph F | Mid-span fall protection system |
| EP1939132A2 (en) * | 2006-12-27 | 2008-07-02 | Pfeifer Holding GmbH & Co. KG | Remote-controlled load holder or hook |
| 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 |
| US20190063152A1 (en) * | 2017-08-28 | 2019-02-28 | Louisville Ladder Inc. | Cable trap system and method |
| CN208502645U (en) * | 2018-01-22 | 2019-02-15 | 张凤菊 | Livewire work insulating ladder |
| CN208087055U (en) * | 2018-01-31 | 2018-11-13 | 中冶建设高新工程技术有限责任公司 | The suspension hook of mousing-hook |
| 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 |
| 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 |
| CN111408077A (en) * | 2020-05-07 | 2020-07-14 | 中衡卓创国际工程设计有限公司 | Personnel safety escape device based on vertical greening of building outer wall surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112112551B (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410304B (en) | A kind of Novel scaffold system | |
| CN112112551B (en) | Novel rope ladder head of structure | |
| CN112112550B (en) | Novel rope ladder head with protective structure | |
| CN217388041U (en) | Extra-high voltage transmission line jumper wire climbing device | |
| CN114059793B (en) | Civil engineering building structure reinforcing apparatus | |
| CN2767632Y (en) | Extension locking mechanism for metal ladder | |
| CN211648934U (en) | Steel wire rope fastening device for building construction | |
| CN212118806U (en) | Safety belt suspension device for high-altitude operation of transformer substation | |
| CN216701181U (en) | Portable rope threading device | |
| CN217811766U (en) | Assembled partition wall light gauge steel | |
| CN220468494U (en) | Hydraulic control rope inserting auxiliary device | |
| CN113679977A (en) | Rescue rope fixing structure with good safety | |
| CN217307083U (en) | Safety hanging basket for power grid maintenance | |
| CN219431756U (en) | Hanging ladder for electric power construction | |
| CN209008474U (en) | A kind of automobile trigger having both roof pedal, escaping function | |
| CN219046277U (en) | Leakage protection device | |
| CN213015676U (en) | Anti-climbing device of electric power iron tower safety type | |
| CN112366591B (en) | Special tower type middle phase equipotential auxiliary maintenance tool | |
| CN219299021U (en) | Door lock assembly for cab | |
| CN219671095U (en) | Cable-stayed bridge tensioning and anchoring retraction preventing device | |
| CN211949870U (en) | Anti-toppling telegraph pole | |
| CN210200817U (en) | Rail vehicle and storage battery box thereof | |
| CN221097347U (en) | Integral type closed cable joint | |
| CN220542658U (en) | Carbon fiber rib monofilament tensile test tool for inhaul cable | |
| CN216110498U (en) | Wind turbine generator system sliding type maintenance crawling ladder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |