CN112794226A - Large displacement pulley constant force hanger - Google Patents
Large displacement pulley constant force hanger Download PDFInfo
- Publication number
- CN112794226A CN112794226A CN202110300143.4A CN202110300143A CN112794226A CN 112794226 A CN112794226 A CN 112794226A CN 202110300143 A CN202110300143 A CN 202110300143A CN 112794226 A CN112794226 A CN 112794226A
- Authority
- CN
- China
- Prior art keywords
- pulley
- connecting rope
- constant force
- balancing weight
- top plate
- 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.)
- Withdrawn
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Classifications
-
- 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
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/08—Arrangements of sheaves
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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
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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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to a large-displacement pulley constant-force hanging bracket which comprises a top plate, a shell, a pipe clamp, a balancing weight and a connecting rope, wherein a first pulley and a second pulley are fixedly arranged on the top plate, one end of the connecting rope is connected to the top plate, the other end of the connecting rope penetrates through the first pulley and the second pulley in sequence and then is connected with the balancing weight, and the part of the connecting rope, which is positioned between the top plate and the first pulley, is connected with the pipe clamp. The large-displacement pulley constant-force hanger provided by the invention does not use a spring, so that the structure is changed, the friction force is reduced, the precision is improved, and the complexity of the system is reduced. Compared with a small spring box, the spring box has the advantages of reduced failure rate, durability and easiness in maintenance.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a large-displacement pulley constant-force hanger.
Background
In a large number of petrochemical equipment in operation at present in China, the small caliber is frequently connected with high-temperature equipment. When a designer selects the hanging bracket, the selection is difficult, and the span and the vertical displacement of the hanging bracket are considered. Therefore, light weight, large displacement pipeline is a more common option. The light-weight large-displacement pipeline usually uses a small spring box, the parts in the box are smaller, the requirement on precision is higher, the constancy is influenced due to small friction force, and the situation that the spring reaction is insensitive is often caused in reality.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a large-displacement pulley constant-force hanger.
The technical scheme for realizing the purpose of the invention is as follows: the utility model provides a big displacement pulley constant force gallows, has roof, casing, pipe clamp, balancing weight, connects the rope, the roof is fixed to be equipped with first pulley, second pulley, the one end of connecting the rope connect in the roof, the other end of connecting the rope is worn to establish in proper order first pulley behind the second pulley with the balancing weight is connected, it is located to connect the rope the roof with part between the first pulley is connected the pipe clamp.
According to the technical scheme, one end of the connecting rope is connected to the top plate through the turnbuckle.
According to the technical scheme, the other end of the connecting rope is connected to the balancing weight through the balancing weight hanging block.
According to the technical scheme, the shell is provided with two limiting devices which are in mirror symmetry, the two limiting devices are respectively provided with two racks and a tooth block, the tooth block is located between the two racks, the two tooth blocks are connected through the pressing rod, and the pressing rod is connected with the counterweight hanging block.
Above-mentioned technical scheme the casing is the cuboid, casing fixed connection in the below of roof.
According to the technical scheme, the second pulley is located inside the shell.
According to the technical scheme, the connecting rope is a steel wire rope.
After the technical scheme is adopted, the invention has the following positive effects:
the large-displacement pulley constant-force hanger provided by the invention does not use a spring, so that the structure is changed, the friction force is reduced, the precision is improved, and the complexity of the system is reduced. Compared with a small spring box, the spring box has the advantages of reduced failure rate, durability and easiness in maintenance.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: roof 1, casing 2, pipe clamp 3, balancing weight 4, connect rope 5, first pulley 11, second pulley 12, turnbuckle 6, counter weight hoist block 7, rack 81, tooth piece 82, depression bar 83.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when in use, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the invention provides a large-displacement pulley constant-force hanger which comprises a top plate 1, a shell 2, a pipe clamp 3, a balancing weight 4 and a connecting rope 5, wherein the top plate 1 is fixedly provided with a first pulley 11 and a second pulley 12, one end of the connecting rope 5 is connected to the top plate 1, the other end of the connecting rope 5 is connected with the balancing weight 4 after sequentially penetrating through the first pulley 11 and the second pulley 12, and the part of the connecting rope 5, which is positioned between the top plate 1 and the first pulley 11, is connected with the pipe clamp 3. Referring to fig. 1 and 2, specifically, the connecting rope 5 extends downward from the top plate 1, the connecting pipe clamp 3 extends upward and penetrates through the first pulley 11, and then extends in parallel and penetrates through the second pulley 12 and then extends downward to connect with the counterweight 4. The weight block 4 may be, but is not limited to, a brick, a metal block, etc. Wherein, the connecting rope 5 is a steel wire rope.
One end of the connecting rope 5 is connected to the top plate 1 through a turnbuckle 6. The other end of the connecting rope 5 is connected with the balancing weight 4 through a balancing weight hanging block 7. The counterweight hoist block 7 serves on the one hand for fixing the connecting rope 5 and on the other hand for connecting the counterweight 4.
The shell 2 is provided with two limiting devices which are in mirror symmetry, the two limiting devices are respectively provided with two racks 81 and a tooth block 82, the tooth block 82 is located between the two racks 81, the two tooth blocks 82 are connected through a pressure rod 83, and the pressure rod 83 is connected to the counterweight hanging block 7. Referring to fig. 1 and 2, the two position-limiting devices are respectively mirror-symmetrical to the front and rear sides of the housing 2 (the position-limiting device on the rear side is not shown, and it should not affect the understanding of those skilled in the art). When transporting and carrying the present invention, the gear block 82 is clamped between the two racks 81, thereby restricting the movement of the pressing rod 83 and the counterweight hanging block 7. When using the present invention, the rack 81 is removed.
Further, the housing 2 is a rectangular parallelepiped, and the housing 2 is fixedly connected below the top plate 1.
Further, the second pulley 12 is located inside the housing 2.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a big displacement pulley constant force gallows which characterized in that: roof (1), casing (2), pipe clamp (3), balancing weight (4), connection rope (5) have, roof (1) is fixed to be equipped with first pulley (11), second pulley (12), the one end of connecting rope (5) connect in roof (1), the other end of connecting rope (5) wears to establish in proper order first pulley (11), behind second pulley (12) with balancing weight (4) are connected, it is located to connect rope (5) roof (1) with part between first pulley (11) is connected pipe clamp (3), second pulley (12) are located the inside of casing (2).
2. The large displacement sheave constant force hanger defined in claim 1, wherein: one end of the connecting rope (5) is connected to the top plate (1) through a turnbuckle (6).
3. The large displacement sheave constant force hanger defined in claim 1, wherein: the other end of the connecting rope (5) is connected with the balancing weight (4) through a balancing weight hanging block (7).
4. The large displacement sheave constant force hanger defined in claim 3, wherein: the shell (2) is provided with two limiting devices which are in mirror symmetry, the two limiting devices are respectively provided with two racks (81) and two tooth blocks (82), the tooth blocks (82) are located between the two racks (81), the two tooth blocks (82) are connected through a pressing rod (83), and the pressing rod (83) is connected to the counterweight hanging block (7).
5. The large displacement sheave constant force hanger defined in claim 1, wherein: the shell (2) is a cuboid, and the shell (2) is fixedly connected to the lower portion of the top plate (1).
6. The large displacement sheave constant force hanger defined in claim 1, wherein: the connecting rope (5) is a steel wire rope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110300143.4A CN112794226A (en) | 2021-03-22 | 2021-03-22 | Large displacement pulley constant force hanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110300143.4A CN112794226A (en) | 2021-03-22 | 2021-03-22 | Large displacement pulley constant force hanger |
Publications (1)
Publication Number | Publication Date |
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CN112794226A true CN112794226A (en) | 2021-05-14 |
Family
ID=75817255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110300143.4A Withdrawn CN112794226A (en) | 2021-03-22 | 2021-03-22 | Large displacement pulley constant force hanger |
Country Status (1)
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CN (1) | CN112794226A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114803850A (en) * | 2022-04-28 | 2022-07-29 | 南通蓝城机械科技有限公司 | Mechanical type jack-up counter weight device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2097119U (en) * | 1990-11-02 | 1992-02-26 | 帖荣俊 | constant force disc spring contact net hanger |
DE102008006892A1 (en) * | 2008-01-31 | 2009-08-06 | Takraf Gmbh | Movable weight loaded belt clamping device i.e. weight clamping station, for use in lower strand of belt conveyor, has belt in lower strand guided into loop that is defined above through bend pulleys and below through hanged tension roller |
CN101507871A (en) * | 2009-03-27 | 2009-08-19 | 华中师范大学 | Constant-force chest developer |
CN101596432A (en) * | 2009-07-22 | 2009-12-09 | 中国石油化工集团公司 | A kind of balance weight structure of furnace tube |
CN204785096U (en) * | 2015-06-30 | 2015-11-18 | 中国石化工程建设有限公司 | Assembly pulley gallows |
CN205479711U (en) * | 2016-01-27 | 2016-08-17 | 江苏电力装备有限公司 | Can detect a constant force gallows in labour |
CN108953769A (en) * | 2018-09-27 | 2018-12-07 | 常州市武进武南管道设备有限公司 | Constant-force spring hanger |
CN209890146U (en) * | 2019-03-20 | 2020-01-03 | 盐城市瑞恒电力石化设备有限公司 | Constant-force supporting and hanging frame for hanging hammer |
-
2021
- 2021-03-22 CN CN202110300143.4A patent/CN112794226A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2097119U (en) * | 1990-11-02 | 1992-02-26 | 帖荣俊 | constant force disc spring contact net hanger |
DE102008006892A1 (en) * | 2008-01-31 | 2009-08-06 | Takraf Gmbh | Movable weight loaded belt clamping device i.e. weight clamping station, for use in lower strand of belt conveyor, has belt in lower strand guided into loop that is defined above through bend pulleys and below through hanged tension roller |
CN101507871A (en) * | 2009-03-27 | 2009-08-19 | 华中师范大学 | Constant-force chest developer |
CN101596432A (en) * | 2009-07-22 | 2009-12-09 | 中国石油化工集团公司 | A kind of balance weight structure of furnace tube |
CN204785096U (en) * | 2015-06-30 | 2015-11-18 | 中国石化工程建设有限公司 | Assembly pulley gallows |
CN205479711U (en) * | 2016-01-27 | 2016-08-17 | 江苏电力装备有限公司 | Can detect a constant force gallows in labour |
CN108953769A (en) * | 2018-09-27 | 2018-12-07 | 常州市武进武南管道设备有限公司 | Constant-force spring hanger |
CN209890146U (en) * | 2019-03-20 | 2020-01-03 | 盐城市瑞恒电力石化设备有限公司 | Constant-force supporting and hanging frame for hanging hammer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114803850A (en) * | 2022-04-28 | 2022-07-29 | 南通蓝城机械科技有限公司 | Mechanical type jack-up counter weight device |
CN114803850B (en) * | 2022-04-28 | 2024-05-14 | 上海金钰尊信息科技开发有限公司 | Mechanical lifting counterweight device |
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Application publication date: 20210514 |