CN111606227A - Liftable balance weight and crane - Google Patents
Liftable balance weight and crane Download PDFInfo
- Publication number
- CN111606227A CN111606227A CN202010524338.2A CN202010524338A CN111606227A CN 111606227 A CN111606227 A CN 111606227A CN 202010524338 A CN202010524338 A CN 202010524338A CN 111606227 A CN111606227 A CN 111606227A
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- China
- Prior art keywords
- weight
- movable
- hole
- counterweight
- liftable
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The application relates to the technical field of mechanical equipment, in particular to a liftable counterweight and a crane. The liftable counterweight is used for the crane and comprises a connecting rope and a movable counterweight; one end of the connecting rope is connected with a winding drum of the crane, the other end of the connecting rope is connected with the movable counterweight, and the winding drum rotates to drive the connecting rope to move, so that the connecting rope pulls the movable counterweight to lift or descend. The application provides a can promote the counter weight, through setting up the promotion of connecting rope drive activity counter weight, device simple structure, it is with low costs to the asynchronous problem that exists in the mode of adopting hydro-cylinder drive activity counter weight has been solved.
Description
Technical Field
The application relates to the technical field of mechanical equipment, in particular to a liftable counterweight and a crane.
Background
In the prior art, the mobile crane lifts the movable counter weight in a mode of jacking or lifting a plurality of oil cylinders, the production cost is high, and the problem that a plurality of oil cylinders are asynchronous in operation exists in the lifting process.
Disclosure of Invention
The application aims to provide a liftable balance weight and a crane, which are used for lifting a movable balance weight.
The application provides a liftable balance weight for a crane, wherein the liftable balance weight comprises a connecting rope and a movable balance weight;
one end of the connecting rope is connected with a winding drum of the crane, the other end of the connecting rope is connected with the movable counterweight, and the winding drum rotates to drive the connecting rope to move, so that the connecting rope pulls the movable counterweight to lift or descend.
In the above technical solution, further, the number of the connecting ropes is at least two, and the connecting ropes are arranged at intervals.
In the above technical solution, further, the connecting rope is detachably connected to the movable counterweight.
In the above technical solution, further, the device further comprises a dismounting assembly;
the dismounting assembly comprises a first bolt and a first hanging ring, and the first hanging ring is connected with the end part of the connecting rope;
the movable balance weight is provided with a first placing hole and a second placing hole, and the first placing hole is intersected with the second placing hole;
the first hanging ring arranged in the first placing-in hole is connected with the first bolt arranged in the second placing-in hole, and the first bolt is inserted into the first hanging ring at the intersection of the first placing-in hole and the second placing-in hole.
In the above technical solution, further, a hanging piece is arranged at an end of the connection rope, and the hanging piece is detachably connected with a hanging hole formed in the winding drum.
In the above technical solution, further, the hanging member is a hook, and the hook can be hung in the hanging hole;
or the hanging part is a second hanging ring, a second bolt is arranged between the hanging part and the winding drum, and the second bolt sequentially penetrates through the second hanging ring and the hanging hole.
In the technical scheme, the movable counterweight device further comprises a fixed counterweight, and the connecting rope pulls the movable counterweight to be close to or far away from the fixed counterweight;
the fixed counterweight is provided with a through hole, and the connecting rope passes through the through hole to be connected with the movable counterweight.
In the above technical solution, further, the movable counterweight and the fixed counterweight are correspondingly provided with a connecting hole to connect the movable counterweight and the fixed counterweight.
In the above technical solution, further, the counterweight support is further included, and the counterweight support is used for supporting the movable counterweight.
The application also provides a crane, which comprises the lifting counterweight.
Compared with the prior art, the beneficial effect of this application is:
the liftable counter weight is used for a crane and comprises a connecting rope and a movable counter weight; the one end of connecting the rope is connected with the reel of hoist, and the other end of connecting the rope is connected with the movable balance weight, and the reel rotates and connects the rope motion in order to drive to make and connect rope pulling movable balance weight promotion or decline.
The counterweight of the crane mainly plays a role in keeping the balance of the crane body. The application provides a can promote counter weight and connect rope promotion movable counter weight through setting up, connects the one end of rope and is connected with the reel of hoist, and the reel rotates and can drive and connect the rope around on the reel to the other end that makes the connection rope promotes, and the other end of connecting the rope still is connected with movable counter weight, thereby movable counter weight can promote the counter weight that has increased the hoist. When the movable counterweight is not needed, the movable counterweight can be lowered through the connecting rope, so that the weight of the counterweight is reduced. And the movable counter weight is lifted by using the winding drum and the connecting rope without the problem of asynchronous lifting.
The application provides a can promote the counter weight, through setting up the promotion of connecting rope drive activity counter weight, device simple structure, it is with low costs, need not to adopt a plurality of hydro-cylinders to promote activity counter weight, solved the asynchronous problem that exists in the mode that adopts hydro-cylinder drive activity counter weight.
The application also provides a crane which comprises the lifting counterweight. Based on the above analysis, the crane has the above beneficial effects, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic cross-sectional view of a liftable weight provided herein from a first perspective;
FIG. 2 is a schematic cross-sectional view of a liftable weight provided herein from a second perspective;
FIG. 3 is a second cross-sectional view of the liftable weight provided by the present application from a second perspective;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 101-connecting ropes; 102-a movable weight; 103-a reel; 104-a disassembly and assembly component; 105-a first pin; 106-first suspension loop; 107-first access hole; 108-a second access hole; 109-counterweight support; 110-a hanging hole; 111-fixing a counterweight; 112-a through hole; 113-connecting hole.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. 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 application.
In the description of the present application, 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, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example one
Referring to fig. 1 to 4, the present application provides a liftable balance weight for a crane, the liftable balance weight including a connecting rope 101, a movable balance weight 102, and a fixed balance weight 111; one end of the connecting rope 101 is connected with a winding drum 103 of the crane, the other end of the connecting rope 101 is connected with the movable counterweight 102, and the winding drum 103 rotates to drive the connecting rope 101 to lift so that the connecting rope 101 pulls the movable counterweight 102 to be close to or far away from the fixed counterweight 111.
The counterweight of the crane mainly plays a role in keeping the balance of the crane body. For some large tonnage cranes, it is necessary to add a movable counterweight 102 in addition to being equipped with a fixed counterweight 111. The application provides a can promote counter weight and connect rope 101 through setting up and promote movable counter weight 102, the one end of connecting rope 101 is connected with the reel 103 of hoist, reel 103 rotates and to drive and connects rope 101 and wind on reel 103, so that the other end of connecting rope 101 promotes, the other end of connecting rope 101 still is connected with movable counter weight 102, movable counter weight 102 can promote to laminate with fixed counter weight 111 in order to increase counter weight, thereby constitute the whole counter weight of hoist jointly with fixed counter weight 111. When the movable weight 102 is not needed, the movable weight 102 can also be lowered through the connecting cord 101 to reduce the weight of the weight. And there is no problem of lifting out of synchronization with the movable weight 102 using the winding drum 103 and the connecting rope 101.
The application provides a can promote counter weight, through setting up the promotion of connecting rope 101 drive movable counter weight 102, device simple structure, it is with low costs to the asynchronous problem that exists in the mode that adopts hydro-cylinder drive movable counter weight 102 has been solved.
Alternatively, the connecting rope 101 may be a wire rope, a chain, or the like.
In an optional scheme of this embodiment, in order to realize that the movable weight 102 is more stable during lifting, at least two connecting ropes 101 are provided, and the connecting ropes 101 are arranged at intervals, so that the movable weight 102 is prevented from being inclined during lifting. Two connecting ropes 101 are shown in the figure, and specifically, three, four, etc. connecting ropes 101 can be provided according to actual conditions.
In an optional scheme of this embodiment, the connecting rope 101 is detachably connected to the movable weight 102, and the connecting rope 101 and the movable weight 102 can be detached without the movable weight 102; when the movable weight 102 is required, the connection cord 101 is connected to the movable weight 102.
In an optional solution of this embodiment, the liftable weight further includes a dismounting assembly 104; the dismounting assembly 104 comprises a first bolt 105 and a first hanging ring 106, wherein the first hanging ring 106 is connected with the end part of the connecting rope 101; the movable weight 102 is opened with a first insertion hole 107 and a second insertion hole 108, and the first insertion hole 107 intersects with the second insertion hole 108. As shown in fig. 4, the first insertion hole 107 may be opened on the top surface of the movable weight 102 and extend in the height direction, so that the first hanging ring 106 can more conveniently enter the first insertion hole 107 from the top, the second insertion hole 108 is opened on the side surface of the movable weight 102 and extends in the horizontal direction, the first pin 105 can enter the second insertion hole 108 and can be inserted into the first hanging ring 106 at the intersection of the first insertion hole 107 and the second insertion hole 108. When the connecting rope 101 drives the first hanging ring 106 to lift, the movable counterweight 102 can be driven to lift by sequentially passing through the connecting ring and the first bolt 105 of the movable counterweight 102.
Preferably, the first insertion hole 107 and the second insertion hole 108 are vertically arranged, and the first pin 105 and the first suspension loop 106 are stressed in a balanced manner, so that the connection structure is more stable and reliable. Alternatively, the second insertion hole 108 may be a blind hole, and the insertion of the first pin 105 into the bottom of the blind hole indicates that the first pin 105 is installed in place, and the first pin 105 penetrates through the first hanging ring 106.
In an alternative solution of this embodiment, a suspension member is provided at an end of the connection rope 101, and the suspension member is detachably connected to a suspension hole 110 formed in the winding drum 103, so as to facilitate the assembly and disassembly of the device.
Specifically, the hanging part can be a hook, and the hook can be hung in the hanging hole 110 to realize detachable connection with the winding drum 103; or the hanging part is a second hanging ring, a second bolt is arranged between the hanging part and the winding drum 103, and the second bolt sequentially passes through the second hanging ring and the hanging hole 110 to realize the detachable connection with the winding drum 103.
Example two
The liftable weight in the second embodiment is an improvement on the above embodiment, the technical contents disclosed in the above embodiment are not described repeatedly, and the contents disclosed in the above embodiment also belong to the contents disclosed in the second embodiment.
Referring to fig. 1 to 4, in an alternative embodiment of the present invention, when the volume of the fixed weight 111 is too large, the connecting rope 101 connected to the winding drum 103 and the movable weight 102 needs to pass through the fixed weight 111, and a through hole 112 is formed in the fixed weight 111, so that the connecting rope 101 can pass through the through hole 112 to be connected to the movable weight 102.
The number and positions of the through holes 112 need to be set in correspondence with the number and positions of the connection strings 101.
In an optional scheme of this embodiment, after the movable counterweight 102 is lifted to fit with the fixed counterweight 111, the movable counterweight 102 and the fixed counterweight 111 need to be connected together, so that the overall counterweight is more stable; specifically, a connection hole 113 is formed at the movable weight 102 corresponding to the fixed weight 111 to connect the movable weight 102 to the fixed weight 111, and the connection hole 113 may be opened at the edges of the movable weight 102 and the fixed weight 111 and connected by a fastener such as a bolt.
In an alternative of this embodiment, the liftable weight further includes a weight holder 109, the weight holder 109 is used for holding the movable weight 102, and the movable weight 102 can be disposed on the weight holder 109 when the movable weight 102 is not lifted.
EXAMPLE III
An embodiment of the present application provides a crane, including the liftable counterweight of any of the above embodiments, and therefore, all the beneficial technical effects of the liftable counterweight of any of the above embodiments are achieved, and are not described herein again.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application. Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.
Claims (10)
1. A liftable counterweight for a crane, said liftable counterweight comprising a connecting rope and a movable counterweight;
one end of the connecting rope is connected with a winding drum of the crane, the other end of the connecting rope is connected with the movable counterweight, and the winding drum rotates to drive the connecting rope to move, so that the connecting rope pulls the movable counterweight to lift or descend.
2. A liftable weight according to claim 1, wherein the number of the connecting cords is at least two and the connecting cords are spaced apart.
3. A liftable weight according to claim 1, wherein the connecting cord is detachably connected to the movable weight.
4. A liftable weight according to claim 3, further comprising a knock-out assembly;
the dismounting assembly comprises a first bolt and a first hanging ring, and the first hanging ring is connected with the end part of the connecting rope;
the movable balance weight is provided with a first placing hole and a second placing hole, and the first placing hole is intersected with the second placing hole;
the first hanging ring arranged in the first placing-in hole is connected with the first bolt arranged in the second placing-in hole, and the first bolt is inserted into the first hanging ring at the intersection of the first placing-in hole and the second placing-in hole.
5. A liftable weight according to claim 1, wherein the end of the connecting cord is provided with a suspension member detachably connected to the suspension hole formed in the drum.
6. A liftable weight according to claim 5, wherein the suspension member is a hook, the hook being capable of being suspended in the suspension hole;
or the hanging part is a second hanging ring, a second bolt is arranged between the hanging part and the winding drum, and the second bolt sequentially penetrates through the second hanging ring and the hanging hole.
7. The liftable weight of claim 1, further comprising a fixed weight, the connecting cord pulling the movable weight closer to or away from the fixed weight;
the fixed counterweight is provided with a through hole, and the connecting rope passes through the through hole to be connected with the movable counterweight.
8. The liftable balance weight of claim 7, wherein the movable balance weight is provided with a connecting hole corresponding to the fixed balance weight so as to connect the movable balance weight and the fixed balance weight.
9. The liftable weight of claim 1, further comprising a weight support for holding the movable weight.
10. A crane comprising a liftable counterweight according to any of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524338.2A CN111606227A (en) | 2020-06-10 | 2020-06-10 | Liftable balance weight and crane |
| PCT/CN2021/098935 WO2021249398A1 (en) | 2020-06-10 | 2021-06-08 | Lifting counterweight and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524338.2A CN111606227A (en) | 2020-06-10 | 2020-06-10 | Liftable balance weight and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111606227A true CN111606227A (en) | 2020-09-01 |
Family
ID=72202481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010524338.2A Pending CN111606227A (en) | 2020-06-10 | 2020-06-10 | Liftable balance weight and crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111606227A (en) |
| WO (1) | WO2021249398A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249398A1 (en) * | 2020-06-10 | 2021-12-16 | 三一汽车起重机械有限公司 | Lifting counterweight and crane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE848626A (en) * | 1976-11-23 | 1977-03-16 | TOWER CRANE. | |
| CN202022653U (en) * | 2011-04-26 | 2011-11-02 | 无棣方正福利不锈钢制品有限公司 | Plate-type quick shackle |
| CN103332570A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Hanging winding device of construction hoist with built-in balance weight |
| CN105600690A (en) * | 2015-11-30 | 2016-05-25 | 北汽福田汽车股份有限公司 | Crane and counterweight system thereof |
| CN208046070U (en) * | 2018-05-03 | 2018-11-02 | 广东电网有限责任公司 | Work head and the link rod for using the work head |
| CN209536840U (en) * | 2018-12-08 | 2019-10-25 | 安徽柳工起重机有限公司 | A kind of autocrane counterweight component |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030012146A (en) * | 2001-07-30 | 2003-02-12 | 한현구 | Hoisting apparatus using counterweight |
| JP2004067347A (en) * | 2002-08-08 | 2004-03-04 | Kobelco Contstruction Machinery Ltd | Mobile working machine and its method for attaching and detaching counterweight |
| CN201214604Y (en) * | 2008-05-07 | 2009-04-01 | 长沙中联重工科技发展股份有限公司 | Counterweight apparatus for crane |
| CN202369297U (en) * | 2011-12-21 | 2012-08-08 | 郑州宇通重工有限公司 | Counter weight lifting and placing device of automobile crane |
| CN203065061U (en) * | 2013-02-20 | 2013-07-17 | 中联重科股份有限公司 | Crane and counterweight lifting device thereof |
| CN111606227A (en) * | 2020-06-10 | 2020-09-01 | 三一汽车起重机械有限公司 | Liftable balance weight and crane |
-
2020
- 2020-06-10 CN CN202010524338.2A patent/CN111606227A/en active Pending
-
2021
- 2021-06-08 WO PCT/CN2021/098935 patent/WO2021249398A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE848626A (en) * | 1976-11-23 | 1977-03-16 | TOWER CRANE. | |
| CN202022653U (en) * | 2011-04-26 | 2011-11-02 | 无棣方正福利不锈钢制品有限公司 | Plate-type quick shackle |
| CN103332570A (en) * | 2013-07-10 | 2013-10-02 | 嘉兴市华东建设机械有限公司 | Hanging winding device of construction hoist with built-in balance weight |
| CN105600690A (en) * | 2015-11-30 | 2016-05-25 | 北汽福田汽车股份有限公司 | Crane and counterweight system thereof |
| CN208046070U (en) * | 2018-05-03 | 2018-11-02 | 广东电网有限责任公司 | Work head and the link rod for using the work head |
| CN209536840U (en) * | 2018-12-08 | 2019-10-25 | 安徽柳工起重机有限公司 | A kind of autocrane counterweight component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249398A1 (en) * | 2020-06-10 | 2021-12-16 | 三一汽车起重机械有限公司 | Lifting counterweight and crane |
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| Publication number | Publication date |
|---|---|
| WO2021249398A1 (en) | 2021-12-16 |
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Application publication date: 20200901 |
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