CN114735611A - High-altitude operation lifting device - Google Patents
High-altitude operation lifting device Download PDFInfo
- Publication number
- CN114735611A CN114735611A CN202210440961.9A CN202210440961A CN114735611A CN 114735611 A CN114735611 A CN 114735611A CN 202210440961 A CN202210440961 A CN 202210440961A CN 114735611 A CN114735611 A CN 114735611A
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- wheel
- box body
- pull rope
- lifting device
- object placing
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- 238000010276 construction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011172 small scale experimental method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/16—Slings with load-engaging platforms or frameworks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting device for high-altitude operation, which comprises a box body, a first wheel rotationally connected in the box body, a second wheel arranged beside the first wheel, a driving unit arranged outside the box body and used for driving the first wheel to rotate, a pull rope clamped between the first wheel and the second wheel, and an object placing unit detachably connected on the pull rope and used for placing tools and appliances; the second wheel is rotatably connected with the box body, the lower part of the pull rope extends out of the box body, the pull rope is in clearance fit with the box body, and the drive unit drives the pull rope and the second wheel to rotate through friction force when driving the first wheel to rotate. The box body can be hung on a structural member of an operation site, the carrying is convenient, parts and tools placed in the object placing unit are transferred between an operation point at high altitude and the ground by the driving unit, and the labor intensity and the risk of falling objects at high altitude are reduced.
Description
Technical Field
The invention relates to the technical field of electric power construction equipment, in particular to a lifting device for aerial work.
Background
When performing power construction and maintenance on power towers, it is necessary to transfer tools and components between the work site at high altitudes and the ground. These tools and components are of various types, such as screws and nuts, wrenches, and often also elongate rod-like components.
These components and tools are typically pulled from the ground to a high-altitude operating point using a transfer line. Because the high-altitude operation has certain danger, the operation personnel still need to use the transmission rope to carry out the transmission of spare part and instrument by hand, this has just consumed a large amount of physical power of operation personnel, and work efficiency is also low simultaneously, makes operation personnel's physical power decline, has reduced the efficiency of normal operation, has also increased the danger of work.
Patent application publication No. CN214402691U provides an overhead hoist mounted on the top of a building which lifts heavy loads by means of a hoist. It is suitable for the lifting operation of not frequently changing the position, and electric power construction needs often to change the operation position, therefore the device is not suitable for.
Patent application with publication number CN106996195A discloses a support device for high-altitude lifting of a steel structure, which comprises an upright post, a cross beam, an inclined rod, a support bracket, a lifter, a connecting steel cable, an upper joist and a lower joist. It is formed by welding steel structural members, has large volume and is inconvenient to carry.
Disclosure of Invention
The invention aims to provide an aerial work lifting device, which is used for reducing the labor intensity when tools and parts are transferred in the process of carrying out electric power construction and maintenance on an electric power pole tower and simultaneously meeting the requirement of portability.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a high-altitude operation lifting device comprises a box body, a first wheel rotationally connected in the box body, a second wheel arranged beside the first wheel, a driving unit arranged outside the box body and used for driving the first wheel to rotate, a pull rope clamped between the first wheel and the second wheel, and an object placing unit detachably connected to the pull rope and used for placing tools and appliances; the second wheel is rotatably connected with the box body, the lower part of the pull rope extends out of the box body, the pull rope is in clearance fit with the box body, and the drive unit drives the first wheel to rotate and drives the pull rope and the second wheel to rotate through friction force.
Furthermore, the first wheel and the second wheel are at least two pairs, a first conveying belt which is annularly wound outside the first wheel is arranged in the box body, a second conveying belt which is annularly wound outside the second wheel is arranged in the box body, and the pull rope is clamped between the first conveying belt and the second conveying belt.
Furthermore, the first wheel and the second wheel are both provided with ring grooves used for being matched with the pull rope.
Further, a groove used for being matched with the pulling rope is formed in the outer face of the first conveyor belt and/or the second conveyor belt.
Furthermore, the article placing unit comprises a hanging rope connected with the pull rope and an article placing bag fixedly connected to the hanging rope and provided with an upward opening, and a binding belt used for tightly binding the opening of the article placing bag is fixedly arranged at the upper part of the article placing bag.
Furthermore, the pull rope is fixedly connected with a binding belt above the object containing bag.
Furthermore, the bottom end of the pull rope is fixedly connected with a hook B.
Furthermore, the second wheel center rotates and is connected with the second pivot, second pivot and box sliding connection, the first pivot of first round of center fixedly connected with, first pivot runs through with the box and rotates and be connected, the fixed outer end that sets up in first pivot of drive unit.
Furthermore, a tension spring is arranged between the first rotating shaft and the second rotating shaft.
Furthermore, the pull ropes are connected end to form a ring.
The invention has the positive effects that:
1. the invention is provided with the box body, the first wheel, the second wheel, the pull rope and the object placing unit are arranged in the box body, the box body can be hung on a structural member of an operation site, the carrying is convenient, and parts and tools placed in the object placing unit can be transferred between an operation point at high altitude and the ground by swinging the crank connected to the first wheel, so that the labor intensity and the risk of falling objects at high altitude are reduced.
2. The object placing unit comprises a hanging rope, a binding belt, an object placing bag, a binding belt and a hook B, and can be used for fixing various long, short, large and small parts and tools.
3. After the end-to-end connection of the pull ropes, the lifting operation can be continuously carried out, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic external view of example 1;
FIG. 2 is a schematic view of the inside of the case in embodiment 1;
FIG. 3 is a left side view of the first wheel of FIG. 2;
FIG. 4 is a schematic structural view of the inside of a case in embodiment 2;
FIG. 5 is a left side view of the first wheel of FIG. 4;
FIG. 6 is a schematic external view of example 3;
in the figure:
1. a box body; 2. hooking; 3. a crank; 4. opening; 5. pulling a rope; 6. hanging a rope; 7. binding a belt; 8. a storage bag; 9. binding a belt; 10. a hook B is arranged; 11. a first wheel; 12. a tension spring; 13. a second wheel; 14. a fixed pulley; 15. a ratchet mechanism; 16. a balancing weight; 17. buckling; 18. a first conveyor belt; 19. a second conveyor belt.
Detailed Description
The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few examples of the present application and not all examples. The following description of the embodiments is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in the embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The present invention will be further explained and illustrated with reference to the following specific embodiments and the accompanying drawings, wherein the following embodiments are only preferred embodiments, not all embodiments, and should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, an aerial work lifting device includes a rectangular box 1, a first wheel 11 rotatably connected in the box 1, a second wheel 13 disposed at the right of the first wheel 11, a driving unit disposed at the front side of the box 1 for driving the first wheel 11 to rotate, a pull rope 5 clamped between the first wheel 11 and the second wheel 13, and a storage unit detachably connected to the pull rope 5 for storing tools and instruments. The top surface of the box body 1 is welded with a hook A2 which is hung on a structural member on an operation site.
The second wheel 13 is rotatably connected with the box body 1, the lower end of the pull rope 5 extends out of the box body 1, the pull rope 5 is in clearance fit with the box body 1, and the drive unit drives the pull rope 5 and the second wheel 13 to rotate through friction force when driving the first wheel 11 to rotate. The drive unit is the crank 3 that sets up in box 1 front side, crank 3 and first round 11 fixed connection, all be equipped with on first round 11 and the second round 13 and be used for with 5 complex annulars of stay cord.
The object placing unit comprises a hanging rope 6 connected with a pull rope 5 and an object placing bag 8 sewn on the hanging rope 6 and provided with an upward opening, and a binding belt 9 used for binding the opening of the object placing bag 8 is sewn at the upper part of the object placing bag. The hanging rope 6 is fixedly connected with a binding belt 7 above the object placing bag 8. The bottom end of the pull rope 5 is fixedly connected with a hook B10.
Small parts and tools such as screws, nuts and the like can be placed in the storage bag 8, and the small parts and the tools can be prevented from falling out after the binding belt 9 is tightened. When long rod-shaped parts are hoisted, one end of each part can extend into the storage bag 8, the binding belt 9 is tightened, and the other end of each part is bound on the hanging rope 6 through the binding belt 7, so that the parts are prevented from falling. The hook B10 can be used for hanging tool bags or other articles.
The center of the second wheel 13 is rotatably connected with a second rotating shaft, the second rotating shaft is connected with the front side and the rear side of the box body 1 in a penetrating and sliding manner, a transverse notch 4 is arranged at a position corresponding to the second rotating shaft on the box body 1, and two ends of the second rotating shaft are respectively positioned in the corresponding notches 4. First 11 first pivots of central fixedly connected with of first wheel, the front end of first pivot runs through with the front side of box 1 and rotates and be connected, crank 3 fixed connection is at the front end of first pivot. A ratchet mechanism 15 is arranged between the rear end of the first shaft and the box body 1, and the ratchet mechanism 15 is a bidirectional ratchet mechanism. One end of the pull rope 5 far away from the object placing unit sequentially bypasses the first wheel 11 and the second wheel 13 upwards and then sequentially bypasses the two fixed pulleys 14 rotatably connected to the upper part of the box body 1, and then extends downwards out of the box body 1, and a balancing weight 16 is bound at the end.
The hoisting method of the invention comprises the following steps:
after spare part and instrument are placed, will hang 5 ligatures of rope or hang at 5 left ends of stay cord, wave crank 3, under the effect of first round 11 and second round 12, upwards mention through frictional force and put the thing unit, ratchet 15 prescribes a limit to the moving direction of stay cord 5, prevents to put the thing unit accident and drops. After the balancing weight 16 is arranged, the labor can be saved, and the lifting force can be increased.
Example 2
As shown in fig. 4 and 5, the present embodiment is different from embodiment 1 in that:
the first wheel 11 and the second wheel 13 are three pairs, and the crank 3 is fixedly connected with the first wheel 11 on the upper part of the box body 1. The tension springs 12 are three in number, and the three tension springs 12 are respectively connected to the corresponding first wheel 11 and the second wheel 13.
The first gear 11 and the second gear 13 are provided with first teeth on the outer circles. The inside of the box body 1 is provided with a first conveyor belt 18 which is annularly wound outside the first wheel 11, the inside of the box body 1 is provided with a second conveyor belt 19 which is annularly wound outside the second wheel 13, the inner sides of the first conveyor belt 18 and the second conveyor belt 19 are provided with second teeth matched with the first teeth, and the pull rope 5 is clamped between the first conveyor belt 18 and the second conveyor belt 19.
The first conveyor belt 18 and the second conveyor belt 19 are provided with grooves on the outer surfaces thereof, and the pull rope 5 is located in the grooves.
After the first conveyor belt 18 and the second conveyor belt 19 are arranged, the friction force on the pull rope 5 can be increased, so that heavier parts or tools can be lifted, and the heavy object high-altitude falling accident caused by the slippage of the pull rope 5 can be prevented.
Example 3
As shown in fig. 6, the present embodiment is different from embodiment 2 in that:
the pull ropes 5 are connected end to form a ring, and the balancing weight 16 is removed. The upper end of the hanging rope 6 and the pull rope 5 can be connected in a binding or buckling manner.
The above-mentioned embodiments are described in detail and specifically for the purpose of illustrating the technical ideas and features of the present invention, and it is an object of the present invention to enable those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the present invention only by the embodiments, and it is not limited to the scope of the present invention, i.e. equivalent changes or modifications made within the spirit of the present invention, and it is within the scope of the present invention for those skilled in the art to make local modifications within the system and changes or modifications between subsystems without departing from the structure of the present invention. At present, the technical scheme of the application has been subjected to pilot plant test, namely small-scale experiment before large-scale mass production of products; after the pilot plant test is finished, user use investigation is developed in a small range, and the investigation result shows that the user satisfaction is high; now, the preparation of products for official production and industrialization have been started.
Claims (10)
1. A high-altitude operation lifting device is characterized by comprising a box body (1), a first wheel (11) rotatably connected in the box body (1), a second wheel (13) arranged beside the first wheel (11), a driving unit arranged outside the box body (1) and used for driving the first wheel (11) to rotate, a pull rope (5) clamped between the first wheel (11) and the second wheel (13) and an object placing unit detachably connected to the pull rope (5) and used for placing tools and appliances; the second wheel (13) is rotatably connected with the box body (1), the lower part of the pull rope (5) extends out of the box body (1), the pull rope (5) is in clearance fit with the box body (1), and the drive unit drives the first wheel (11) to rotate and drives the pull rope (5) and the second wheel (13) to rotate through friction force.
2. The aerial work lifting device according to claim 1, wherein the number of the first wheels (11) and the number of the second wheels (13) are at least two, a first conveyor belt (18) which is annularly wound outside the first wheels (11) is arranged in the box body (1), a second conveyor belt (19) which is annularly wound outside the second wheels (13) is arranged in the box body (1), and the pull rope (5) is clamped between the first conveyor belt (18) and the second conveyor belt (19).
3. An aerial work lifting device as defined in claim 1, wherein the first wheel (11) and the second wheel (13) are provided with circumferential grooves for engagement with the pull rope (5).
4. An aerial work lifting device as claimed in claim 2, characterised in that the first conveyor (18) and/or the second conveyor (19) is provided with a slot on the outside for engagement with the pull rope (5).
5. The aerial work lifting device according to claim 1, wherein the object placing unit comprises a hanging rope (6) connected with the pull rope (5) and an object placing bag (8) which is fixedly connected to the hanging rope (6) and is opened upwards, and a binding belt (9) for fastening the opening of the object placing bag is fixedly arranged at the upper part of the object placing bag (8).
6. A lifting device for high altitude construction according to claim 3, characterized in that the drawstring (5) has a strap (7) fixedly attached above the bag (8).
7. An aerial work lifting device as defined in claim 3, wherein the bottom end of the pull rope (5) is fixedly connected with a hook B (10).
8. The aerial work lifting device according to claim 1, wherein a second rotating shaft is rotatably connected to the center of the second wheel (13), the second rotating shaft is slidably connected to the box body (1), a first rotating shaft is fixedly connected to the center of the first wheel (11), the first rotating shaft is rotatably connected to the box body (1) in a penetrating manner, and the driving unit is fixedly arranged at the outer end of the first rotating shaft.
9. An aerial work lifting device as defined in claim 8 wherein a tension spring (12) is provided between the first and second shafts.
10. An aerial lift device as claimed in claim 1, wherein the pull rope (5) is connected end to end in a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210440961.9A CN114735611A (en) | 2022-04-25 | 2022-04-25 | High-altitude operation lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210440961.9A CN114735611A (en) | 2022-04-25 | 2022-04-25 | High-altitude operation lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114735611A true CN114735611A (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210440961.9A Pending CN114735611A (en) | 2022-04-25 | 2022-04-25 | High-altitude operation lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114735611A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ587436A (en) * | 2010-08-18 | 2011-01-28 | Marc Taal | A safety block for lifting objects by rope which clamps the rope if the tension on the rope lowers quickly |
| CN206318645U (en) * | 2016-11-25 | 2017-07-11 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable work high above the ground transfer device |
| CN207551799U (en) * | 2017-11-23 | 2018-06-29 | 国网河南省电力公司南阳供电公司 | A kind of working at height tool for transmitting |
| CN111017764A (en) * | 2019-12-19 | 2020-04-17 | 国家电网有限公司 | Overhead working transfer device |
| CN113602993A (en) * | 2021-07-27 | 2021-11-05 | 广西电网有限责任公司北海供电局 | Portable high-altitude transfer device |
-
2022
- 2022-04-25 CN CN202210440961.9A patent/CN114735611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ587436A (en) * | 2010-08-18 | 2011-01-28 | Marc Taal | A safety block for lifting objects by rope which clamps the rope if the tension on the rope lowers quickly |
| CN206318645U (en) * | 2016-11-25 | 2017-07-11 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable work high above the ground transfer device |
| CN207551799U (en) * | 2017-11-23 | 2018-06-29 | 国网河南省电力公司南阳供电公司 | A kind of working at height tool for transmitting |
| CN111017764A (en) * | 2019-12-19 | 2020-04-17 | 国家电网有限公司 | Overhead working transfer device |
| CN113602993A (en) * | 2021-07-27 | 2021-11-05 | 广西电网有限责任公司北海供电局 | Portable high-altitude transfer device |
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Application publication date: 20220712 |