CN211008424U - Portable firm formula rope ladder - Google Patents

Portable firm formula rope ladder Download PDF

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Publication number
CN211008424U
CN211008424U CN201921539575.5U CN201921539575U CN211008424U CN 211008424 U CN211008424 U CN 211008424U CN 201921539575 U CN201921539575 U CN 201921539575U CN 211008424 U CN211008424 U CN 211008424U
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China
Prior art keywords
ratchet
connecting belt
rope ladder
ratchet wheel
wheel
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CN201921539575.5U
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Chinese (zh)
Inventor
陈佳健
董志聪
黄建明
陈清江
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Guangdong Power Grid Co Ltd
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN201921539575.5U priority Critical patent/CN211008424U/en
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Abstract

The utility model provides a portable stable rope ladder, which comprises a first hook, a second hook, a ratchet mechanism, a first connecting belt and a second connecting belt, wherein the ratchet mechanism comprises a ratchet wheel, a non-return pawl and a fixed side plate, the ratchet wheel is arranged on one side of the fixed side plate, and the non-return pawl is arranged on one side of the fixed side plate and is inserted into a wheel groove of the ratchet wheel; one end of the first connecting belt is connected with the first lifting hook, and the other end of the first connecting belt is connected with a fixed shaft arranged between the fixed side plates; one end of the second connecting belt is connected with the rotating shaft arranged between the ratchet wheels, and the other end of the second connecting belt is connected with the second lifting hook; a plurality of pedal buckles are detachably arranged on the second connecting belt. The first lifting hook and the second lifting hook the fixing device, then the ratchet wheel is rotated in a single direction to adjust the length of the second connecting belt to a tensioned linear state of the rope ladder, and the ratchet wheel is locked through the non-return ratchet in the ratchet mechanism, so that the installation and fixation of the rope ladder are completed.

Description

Portable firm formula rope ladder
Technical Field
The utility model relates to an automatic technical field of technology production, more specifically relates to a portable firm formula rope ladder.
Background
When the power failure maintenance is carried out on the power transmission line, operation and maintenance personnel use the traditional rope ladder for a long time to carry out operation from the cross arm to the lead through the insulator string. Because the lower extreme of traditional rope ladder does not have the fixed point, only relies on upper end and cross arm fixed, therefore during operation personnel passed through wire about traditional rope ladder, can produce the horizontal hunting, need consume considerable physical power and keep the balance of climbing in-process, and when the cluster that dangles is synthetic insulator chain, the rope ladder that rocks probably takes place to bump with the insulator and presses, causes the damage of insulator.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the rope ladder left and right sides swing easily and cause the defect of damage to the insulator, provide a portable firm formula rope ladder.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a portable stable rope ladder comprises a first lifting hook, a second lifting hook, a ratchet mechanism, a first connecting belt and a second connecting belt, wherein the ratchet mechanism comprises a ratchet wheel, a non-return pawl and a fixed side plate, the ratchet wheel is arranged on one side of the fixed side plate, and the non-return pawl is arranged on one side of the fixed side plate and inserted into a wheel groove of the ratchet wheel; one end of the first connecting belt is connected with the first lifting hook, and the other end of the first connecting belt is connected with a fixed shaft arranged between the fixed side plates; one end of the second connecting belt is connected with the rotating shaft arranged between the ratchet wheels, and the other end of the second connecting belt is connected with the second lifting hook; a plurality of pedal buckles are detachably arranged on the second connecting belt.
In the technical scheme, when the power transmission line is overhauled in a power failure mode, a first lifting hook and a second lifting hook in the rope ladder are used for hooking the fixing equipment; the ratchet mechanism is used for adjusting the length of the second connecting belt; the pedal on the second connecting band is buckled and can be dismantled the setting, and the operation personnel can set up the quantity that the pedal was buckled according to the operation demand to connect through the second connecting band. In the use process, the first lifting hook hooks the angle steel at the cross arm position of the power transmission line iron tower, the second lifting hook hooks the wire of the power transmission line, then the ratchet wheel is rotated in a single direction to adjust the length of the second connecting band, so that the rope ladder is in a tensioned linear state, and after the length adjustment of the second connecting band is completed, the ratchet wheel is locked through the non-return pawl in the ratchet mechanism, so that the installation and fixation of the rope ladder are completed, the fixation of two ends of the rope ladder is realized, and the left-right swinging of the rope ladder is avoided.
Preferably, the thickness of the non-return pawl is equal to the thickness of the wheel groove of the ratchet wheel, so that the ratchet wheel is effectively locked.
Preferably, the first connecting belt and the second connecting belt are made of nylon belts, so that the load-bearing capacity is high.
Preferably, the ratchet mechanism further comprises a handle, wherein one end of the handle is provided with an active pawl, the handle is arranged on the outer side of the ratchet wheel, the active pawl is inserted into a wheel groove of the ratchet wheel, one side of the active pawl is attached to the wall of the wheel groove, and the other side of the active pawl is an inclined surface. One side of the driving pawl, which is attached to the groove wall of the wheel groove, is used for pushing the ratchet wheel to rotate under the action of the rotation of the handle, and the inclined surface of the other side of the driving pawl is a smooth inclined surface, so that the driving pawl can be conveniently separated from the wheel groove.
Preferably, the other end of the handle is provided with a grip.
Preferably, the ratchet mechanism further comprises a locking mechanism for inserting the locking mechanism into the wheel groove of the ratchet wheel when the ratchet wheel needs to be locked.
Preferably, the side surface of the handle is provided with a slot matched with the clamping pieces arranged at the two ends of the locking mechanism, and the locking mechanism is arranged in a sliding connection with the slot through the clamping pieces arranged at the two ends of the locking mechanism; when the locking mechanism is far away from one end of the ratchet wheel in the slot position, the locking mechanism is separated from the ratchet wheel, and when the locking mechanism is close to one end of the ratchet wheel in the slot position, one side of the locking mechanism is inserted into the wheel groove of the ratchet wheel.
Preferably, the slot position is provided with a protruding structure for clamping the locking mechanism in the process of rotating work of the ratchet mechanism, so that the locking mechanism is prevented from sliding along the slot position to one end close to the ratchet wheel to cause the ratchet wheel to be locked.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
(1) the combination of the first lifting hook, the second lifting hook, the first connecting belt, the second connecting belt and the pedal buckle is adopted to form a main body of the rope ladder, and the length of the main body of the rope ladder is adjusted by adopting a ratchet mechanism, so that the main body of the rope ladder is in a tensioned linear state, the left-right swinging of the rope ladder in the operation process is avoided, and the problem that the insulator is damaged by the left-right swinging of the rope ladder is effectively solved;
(2) the handle is adopted to rotate the ratchet wheel to adjust the length of the rope ladder main body, so that the operation difficulty of operators is effectively reduced, and the operation risk of transferring operation tools during high-altitude operation is reduced;
(3) the ratchet wheel is locked and fixed through the locking mechanism, and the phenomenon that the ratchet wheel jumps is avoided.
Drawings
Fig. 1 is a schematic structural view of the portable stable rope ladder of the present invention.
Fig. 2 is a schematic structural diagram of the ratchet mechanism of the present invention.
Fig. 3 is a schematic view of the connection between the ratchet mechanism and the locking mechanism of the present invention.
Fig. 4 is a schematic view of the connection between the ratchet mechanism and the locking mechanism of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides a portable stable rope ladder, as shown in fig. 1, which is a schematic structural diagram of the portable stable rope ladder of the present embodiment.
The portable steady rope ladder of the embodiment comprises a first hook 1, a second hook 2, a ratchet mechanism 3, a first connecting belt 4 and a second connecting belt 5, wherein the ratchet mechanism 3 comprises a ratchet wheel 31, a check pawl 32 and a fixed side plate 33. In this embodiment, the ratchet 31 is disposed on one side of the fixed side plate 33, and the non-return pawl 32 is disposed on one side of the fixed side plate 33 and inserted into the wheel groove of the ratchet 31; one end of the first connecting belt 4 is connected with the first hook 1, and the other end of the first connecting belt 4 is connected with a fixed shaft 34 arranged between the fixed side plates 33; one end of the second connecting belt 5 is connected with a rotating shaft 35 arranged between the ratchet wheels 31, and the other end of the second connecting belt 5 is connected with the second hook 2; the second connecting belt 5 is detachably provided with a plurality of pedal buckles 6.
In this embodiment, the thickness of the check pawl 32 is equal to the thickness of the groove of the ratchet wheel 31.
In this embodiment, the first connecting tape 4 and the second connecting tape 5 are made of nylon tapes.
In a specific implementation process, firstly, the step buckle 6 is installed and arranged on the second connecting band 5 according to the current operation condition, the second connecting band 5 which is not provided with the step buckle 6 and has a certain length is reserved at one end of the second connecting band 5 connected with the ratchet mechanism 3, the length of the second connecting band 5 is adjusted through the ratchet mechanism 3, then the first hook 1 hooks the angle steel at the cross arm position of the power transmission line iron tower, the second hook 2 hooks the conducting wire of the power transmission line, the length of the second connecting band 5 is adjusted by rotating the ratchet 31 in a single direction through a tool such as a wrench and the like, the second connecting band 5 is adjusted to be in a tensioned linear state of the rope ladder, namely, the installation and fixation of the rope ladder are completed, and after the length adjustment of the second connecting band 5 is completed, the non-return pawl 32 in the ratchet mechanism 3 locks the ratchet 31.
In this embodiment, adopt first lifting hook 1, second lifting hook 2, first connecting band 4, second connecting band 5 and the combination setting of pedal knot 6 to constitute the main part of rope ladder to combine ratchet 3 to adjust the length of second connecting band 5, make the rope ladder main part tighten up and be the linear state of tensioning, thereby avoid the rope ladder to take place the horizontal hunting, avoid the rope ladder to cause the damage to the insulator, can effectively reduce the operation degree of difficulty of operation personnel simultaneously.
Example 2
The portable stable rope ladder provided in the embodiment comprises a first hook 1, a second hook 2, a ratchet mechanism 3, a first connecting belt 4 and a second connecting belt 5, wherein the ratchet mechanism 3 comprises a ratchet wheel 31, a non-return pawl 32 and a fixed side plate 33. In this embodiment, the ratchet 31 is disposed on one side of the fixed side plate 33, and the non-return pawl 32 is disposed on one side of the fixed side plate 33 and inserted into the wheel groove of the ratchet 31; one end of the first connecting belt 4 is connected with the first hook 1, and the other end of the first connecting belt 4 is connected with a fixed shaft 34 arranged between the fixed side plates 33; one end of the second connecting belt 5 is connected with a rotating shaft 35 arranged between the ratchet wheels 31, and the other end of the second connecting belt 5 is connected with the second hook 2; the second connecting belt 5 is detachably provided with a plurality of pedal buckles 6.
The ratchet mechanism 3 in this embodiment further includes a handle 36, wherein one end of the handle 36 is provided with an active pawl, the handle 36 is disposed outside the ratchet wheel 31, the active pawl is inserted into a wheel groove of the ratchet wheel, one side of the active pawl is attached to a wall of the wheel groove of the ratchet wheel 31, and the other side of the active pawl is an inclined surface. One side of the driving pawl, which is attached to the wheel groove wall of the ratchet wheel 31, is used for pushing the ratchet wheel 31 to rotate under the action of the rotation of the handle 36, and the inclined surface on the other side of the driving pawl is a smooth inclined surface, so that the driving pawl can be conveniently separated from the wheel groove of the ratchet wheel 31.
In this embodiment, a handle 37 is disposed at the other end of the handle 36, so that the operator can rotate the handle 36.
In the specific implementation process, firstly, the step buckles 6 are arranged on the second connecting belt 5 according to the current operation condition, a certain length of the second connecting belt 5 which is not provided with the step buckles 6 is reserved at one end of the second connecting belt 5 connected with the ratchet mechanism 3, the length of the second connecting belt 5 is adjusted through the ratchet mechanism 3, then the first hook 1 hooks the angle steel at the cross arm position of the power transmission line iron tower, the second hook 2 hooks the lead of the power transmission line, an operator rotates the handle 36 anticlockwise within the range of 0-180 degrees through the handle 37, the active pawl arranged at one end of the handle 36 is inserted into the wheel groove of the ratchet wheel 31, and one side of the active pawl is attached to the wall of the wheel groove of the ratchet wheel 31 and pushes the ratchet wheel 31 to rotate; when the handle 36 rotates clockwise in the opposite direction, the driving pawl slides away from the wheel groove through the inclined surface on the other side, the steps are repeated until the second connecting belt 5 is adjusted to be in a tensioned linear state, namely the installation and fixation of the rope ladder are completed, and after the length adjustment of the second connecting belt 5 is completed, the non-return pawl 32 in the ratchet mechanism 3 locks the ratchet wheel 31.
In this embodiment, the ratchet wheel 31 is rotated by the additional handle 36 and the driving pawl arranged at one end of the handle 36, so that the ratchet wheel has the characteristics of light weight and convenience in mounting and carrying under the condition of meeting the safety requirement, and in the climbing operation, the operation difficulty of operators can be effectively reduced, the work efficiency is improved, and meanwhile, the operation risk of transferring large tools at high altitude is reduced.
Example 3
In this embodiment, the portable stable rope ladder includes a first hook 1, a second hook 2, a ratchet mechanism 3, a first connecting belt 4, and a second connecting belt 5, in which the ratchet mechanism 3 includes a ratchet 31, a non-return pawl 32, and a fixed side plate 33. In this embodiment, the ratchet 31 is disposed on one side of the fixed side plate 33, and the non-return pawl 32 is disposed on one side of the fixed side plate 33 and inserted into the wheel groove of the ratchet 31; one end of the first connecting belt 4 is connected with the first hook 1, and the other end of the first connecting belt 4 is connected with a fixed shaft 34 arranged between the fixed side plates 33; one end of the second connecting belt 5 is connected with a rotating shaft 35 arranged between the ratchet wheels 31, and the other end of the second connecting belt 5 is connected with the second hook 2; the second connecting belt 5 is detachably provided with a plurality of pedal buckles 6.
The ratchet mechanism 3 in this embodiment further includes a handle 36, wherein one end of the handle 36 is provided with an active pawl, the handle 36 is disposed outside the ratchet wheel 31, the active pawl is inserted into a wheel groove of the ratchet wheel, one side of the active pawl is attached to a wall of the wheel groove of the ratchet wheel 31, and the other side of the active pawl is an inclined surface. One side of the driving pawl, which is attached to the wheel groove wall of the ratchet wheel 31, is used for pushing the ratchet wheel 31 to rotate under the action of the rotation of the handle 36, and the inclined surface on the other side of the driving pawl is a smooth inclined surface, so that the driving pawl can be conveniently separated from the wheel groove of the ratchet wheel 31.
Fig. 2 is a schematic structural view of the ratchet mechanism 3 of the present embodiment.
The portable and stable rope ladder in this embodiment further includes a locking mechanism 7, which is used to insert one side of the locking mechanism 7 additionally provided in this embodiment into the wheel groove of the ratchet wheel 31 when the ratchet wheel 31 needs to be locked, so as to further ensure the locking of the ratchet wheel 31. In this embodiment, a metal sheet is used as the locking mechanism 7, and the thickness of the locking mechanism 7 is equal to the width of the wheel groove of the ratchet wheel 31.
Fig. 3 and 4 are schematic views showing the connection between the ratchet mechanism 3 and the locking mechanism 7 of the present embodiment.
The side of the handle 36 in this embodiment is provided with a slot 38 matched with the fasteners 71 arranged at the two ends of the locking mechanism 7, the slot 38 is provided with a protruding structure, and the locking mechanism 7 is slidably connected with the slot 38 through the fasteners 71 arranged at the two ends of the locking mechanism 7.
In the specific implementation process, firstly, the pedal buckle 6 is arranged on the second connecting belt 5 according to the current operation condition, and one end of the second connecting belt 5 connected with the ratchet mechanism 3 is reserved with a certain length of the second connecting belt 5 without the pedal buckle 6, which is used for adjusting the length of the second connecting belt 5 through the ratchet mechanism 3, then the first hook 1 hooks the angle steel at the cross arm position of the transmission line iron tower, the second hook 2 hooks the lead of the transmission line, the clamping pieces 71 arranged at two sides of the locking mechanism 7 fix the locking mechanism 7 at one end of the slot position 38 far away from the ratchet wheel 31 through a protruding structure arranged on the slot position 38, an operator rotates the handle 36 anticlockwise within the range of 0-180 degrees through the handle 37, the active pawl arranged at one end of the handle 36 is inserted into the wheel groove of the ratchet wheel 31, one side of the active pawl is attached to the groove wall of the wheel groove of the ratchet wheel 31 and pushes the ratchet wheel 31 to rotate; when the handle 36 rotates clockwise in the opposite direction, the active pawl slides away from the wheel groove through the inclined surface on the other side, and the steps are repeated until the second connecting belt 5 is adjusted to be in a tensioned linear state, so that the installation and fixation of the rope ladder are completed.
When the ratchet wheel 31 needs to be locked, the non-return pawl 32 is inserted into the wheel groove of the ratchet wheel 31 for locking, further, the locking mechanism 7 is pushed, the clamping piece 71 on the locking mechanism 7 is pushed to one end close to the ratchet wheel 31 along the slot position 38, one side of the locking mechanism 7 is inserted into the wheel groove of the ratchet wheel 31, and locking and fixing of the ratchet wheel 31 are achieved.
In this embodiment, locking and fixing of the ratchet wheel 31 are further ensured through the additionally arranged locking mechanism 7, and the phenomenon that the ratchet wheel 31 jumps teeth, which causes loosening of the rope ladder and influences on the safety of operators, is avoided.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a portable firm formula rope ladder which characterized in that includes first lifting hook, second lifting hook, ratchet, first connecting band, second connecting band, wherein: the ratchet mechanism comprises a ratchet wheel, a non-return pawl and a fixed side plate, the ratchet wheel is arranged on one side of the fixed side plate, and the non-return pawl is arranged on one side of the fixed side plate and inserted into a wheel groove of the ratchet wheel; one end of the first connecting belt is connected with the first lifting hook, and the other end of the first connecting belt is connected with a fixed shaft arranged between the fixed side plates; one end of the second connecting belt is connected with the rotating shaft arranged between the ratchet wheels, and the other end of the second connecting belt is connected with the second lifting hook; a plurality of pedal buckles are detachably arranged on the second connecting belt.
2. The portable stabilized rope ladder of claim 1, wherein: the thickness of the non-return pawl is equal to the thickness of the wheel groove of the ratchet wheel.
3. The portable stabilized rope ladder of claim 1, wherein: the first connecting belt and the second connecting belt are made of nylon belts.
4. The portable stabilized rope ladder of claim 1, wherein: the ratchet mechanism further comprises a handle, an active pawl is arranged at one end of the handle, the handle is arranged on the outer side of the ratchet wheel, the active pawl is inserted into a wheel groove of the ratchet wheel, one side of the active pawl is attached to the wall of the wheel groove, and the other side of the active pawl is an inclined plane.
5. A portable stabilized rope ladder according to claim 4, characterized in that: the other end of the handle is provided with a handle.
6. A portable stabilized rope ladder according to claim 4 or 5, characterized in that: the ratchet mechanism further comprises a locking mechanism, and when the ratchet wheel needs to be locked, the locking mechanism is inserted into the wheel groove of the ratchet wheel.
7. The portable stabilized rope ladder of claim 6, wherein: the side of the handle is provided with a slot matched with the clamping pieces arranged at the two ends of the locking mechanism, and the locking mechanism is connected with the slot in a sliding manner through the clamping pieces arranged at the two ends of the locking mechanism.
8. A portable stabilized rope ladder according to claim 7, wherein: and the groove position is provided with a protruding structure.
CN201921539575.5U 2019-09-16 2019-09-16 Portable firm formula rope ladder Active CN211008424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921539575.5U CN211008424U (en) 2019-09-16 2019-09-16 Portable firm formula rope ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921539575.5U CN211008424U (en) 2019-09-16 2019-09-16 Portable firm formula rope ladder

Publications (1)

Publication Number Publication Date
CN211008424U true CN211008424U (en) 2020-07-14

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ID=71478489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921539575.5U Active CN211008424U (en) 2019-09-16 2019-09-16 Portable firm formula rope ladder

Country Status (1)

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CN (1) CN211008424U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500026A (en) * 2019-09-16 2019-11-26 广东电网有限责任公司 A kind of portable firm formula rope ladder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500026A (en) * 2019-09-16 2019-11-26 广东电网有限责任公司 A kind of portable firm formula rope ladder

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