CN113845047A - Auxiliary device is demolishd to tower crane - Google Patents
Auxiliary device is demolishd to tower crane Download PDFInfo
- Publication number
- CN113845047A CN113845047A CN202111104907.9A CN202111104907A CN113845047A CN 113845047 A CN113845047 A CN 113845047A CN 202111104907 A CN202111104907 A CN 202111104907A CN 113845047 A CN113845047 A CN 113845047A
- Authority
- CN
- China
- Prior art keywords
- tower crane
- support
- support arm
- arm
- pulley
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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
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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
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- 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
- B66C23/64—Jibs
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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
- 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
-
- 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
- B66C23/88—Safety gear
Abstract
The application discloses auxiliary device is demolishd to tower crane for the tower crane is demolishd in the assistance, improves and demolishs efficiency and security. The application includes: the fore-stock, the after-poppet, the pulley, back-pull assembly and connecting cable wire, fore-stock and after-poppet are fixed in on the cantilever crane of tower crane, the top of fore-stock and after-poppet all is provided with the pulley, the pulley is used for supporting the cable wire of the hoist engine of tower crane, the cable wire is promoted or descends demolishing the piece under the drive of hoist engine, back-pull assembly fixes the after-poppet, and provide balanced pulling force behind for the after-poppet, connecting cable wire is used for connecting fore-stock and after-poppet, and provide balanced pulling force behind for the fore-stock, fore-stock and after-poppet all are provided with left support arm and right support arm, left side support arm and right support arm are fixed in the both sides of the cantilever crane of tower crane respectively, the bottom mounting of left side support arm and right support arm is on the cantilever crane, the top of left side support arm and right support arm is close to each other and connects, and form fixed triangle each other.
Description
Technical Field
The application relates to the technical field of engineering machinery, in particular to a tower crane dismantling auxiliary device.
Background
The tower crane is a kind of common engineering machinery in construction engineering, and is also called tower crane, and is used to hang construction raw materials such as reinforcing steel bar, wood ridge, concrete, steel pipe and the like for construction by the extension (height) of one section by one section (called 'standard section' for short). The tower crane is an indispensable device on a construction site.
When the tower crane is dismantled, the boom of the tower crane generally drops on the tower body by itself and is then dismantled, but in order to meet the requirement of large-scale operation on a construction site, the boom of the tower crane is generally long, and in places with limited space, for example, when the tower crane is arranged between two buildings, the boom is limited by the building and cannot drop by itself, at this time, a part of the boom needs to be dismantled, in the prior art, the boom is dismantled by generally adopting a large crane, but the large crane can not enter the field for operation due to the space limitation, even if the large crane can enter the field, the large crane needs to fix and slowly expand the boom, a large amount of time is needed, the efficiency of the mode is very low, and therefore, an efficient, safe and reliable dismantling scheme is urgently needed.
Disclosure of Invention
In order to solve the technical problem, the application provides an auxiliary device is demolishd to tower crane, includes: the tower crane comprises a front support, a rear support, a pulley, a back-pull assembly and a connecting steel cable, wherein the front support and the rear support are fixed on an arm support of a tower crane, the pulley is arranged at the top of the front support and the top of the rear support, the pulley is used for supporting the steel cable of a winch of the tower crane, the steel cable is driven by the winch to lift or descend a demolition member, the back-pull assembly is used for fixing the rear support and providing back balance tension for the rear support, the connecting steel cable is used for connecting the front support and the rear support and providing back balance tension for the front support, the front support and the rear support are provided with a left support arm and a right support arm, the left support arm and the right support arm are respectively fixed at two sides of the arm support of the tower crane, the bottom ends of the left support arm and the right support arm are fixed on the arm support, the top ends of the left support arm and the right support arm are close to each other and connected, and form a fixed triangle with each other.
Optionally, the bottom of the front bracket and the bottom of the rear bracket are connected with each other, so that a fixed triangle is formed among the front bracket, the rear bracket and the connecting cable.
Optionally, a movable wheel is arranged at a joint between the bottom of the front support and the bottom of the rear support, the movable wheel is supported on a slide rail of the arm support, and the front support and the rear support move on the slide rail through the movable wheel.
Optionally, the left support arm and the right support arm are formed by fastening and connecting two or more sections of steel pipes through flanges.
Optionally, the bottom of the left support arm and the bottom of the right support arm are connected with each other through a connecting piece.
Optionally, the connector is a steel cable.
Optionally, the rear pulling assembly is a chain block.
Optionally, an anti-jump groove assembly is arranged on the pulley, and the anti-jump groove assembly is used for limiting the steel cable on a pulley groove of the pulley.
The anti-jumping groove assembly is mounted at the top of the pulley.
Optionally, the flanges are connected to each other by six bolts.
According to the technical scheme, the method has the following advantages:
the device that this application provided can be applied to demolising of tower crane cantilever crane, when demolising the tower crane cantilever crane, fixes the device on the cantilever crane, thereby promotes or descends demolishs the piece through the cable wire of fore-stock and the fixed pulley of after-poppet supporting hoist engine for demolishing of cantilever crane becomes simpler, convenient, and very big degree has improved demolishs efficiency. And in the device that this application provided, the back draws the subassembly can provide the balanced pulling force of back for the fore-stock and through connecting the cable wire, structural strength has been strengthened to very big degree, and fore-stock and after-stock all are provided with left support arm and right support arm in the both sides of cantilever crane, can resist the load of side direction, thereby guarantee the stability of device, can overcome the tower crane and produce the side direction that causes when rocking or unbalance in the eminence, improvement operation security and device reliability that can be very big.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a tower crane auxiliary demolition apparatus provided in the present application;
FIG. 2 is a schematic structural view of another embodiment of a tower crane auxiliary demolition apparatus provided in the present application;
fig. 3 is the supplementary structure schematic diagram of dismantling the device when installing on the tower crane of tower crane that provides in this application.
Detailed Description
When the tower crane is dismantled, the boom of the tower crane generally drops on the tower body by itself and is then dismantled, but in order to meet the requirement of large-scale operation on a construction site, the boom of the tower crane is generally long, and in places with limited space, for example, when the tower crane is arranged between two buildings, the boom is limited by the building and cannot drop by itself, at this time, a part of the boom needs to be dismantled, in the prior art, the boom is dismantled by generally adopting a large crane, but the large crane can not enter the field for operation due to the space limitation, even if the large crane can enter the field, the large crane needs to fix and slowly expand the boom, a large amount of time is needed, the efficiency of the mode is very low, and therefore, an efficient, safe and reliable dismantling scheme is urgently needed.
Based on this, this application provides a tower crane demolishs auxiliary device for the tower crane is demolishd in the assistance, improves and demolishs efficiency.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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.
Referring to fig. 1, fig. 2 and fig. 3, the tower crane dismantling auxiliary device provided in the present application includes: the tower crane comprises a front support 1, a rear support 2, pulleys 3, a rear pull assembly 4 and a connecting steel cable 5, wherein the front support 1 and the rear support 2 are fixed on an arm support 7 of the tower crane, the pulleys 3 are arranged at the tops of the front support 1 and the rear support 2, the pulleys 3 are used for supporting the steel cable of a winch of the tower crane, the steel cable is driven by the winch to lift or descend a demolition member, the rear pull assembly 4 is used for fixing the rear support 2 and does not provide backward balance tension for the rear support 2, the connecting steel cable 5 is used for connecting the front support 1 and the rear support 2 and provides backward balance tension for the front support 1, the front support 1 and the rear support 2 are provided with a left support arm 01 and a right support arm 02, the left support arm 01 and the right support arm 02 are respectively fixed on two sides of the arm support 7 of the tower crane, the bottom ends of the left support arm 01 and the right support arm 02 are fixed on the arm 7, the top ends of the left support arm 01 and the right support arm 02 are mutually close to each other, and form a fixed triangle with each other.
In practical application, if the boom 7 of the tower crane is too long and is limited by other buildings, the boom 7 cannot be dismounted by self-descending, a part of the length of the boom 7 needs to be firstly dismounted, or the boom 7 is completely dismounted, when the device provided by the application is mounted on the boom 7, two groups of left support arms 01 and right support arms 02 are respectively mounted at two sides of the boom 7 during mounting to form two supports, namely a front support 1 close to the front end of the boom 7 and a rear support 2 close to a tower body, the bottoms of the front support 1 and the rear support 2 are fixedly connected with each other, a certain distance is reserved between the tops of the front support 1 and the rear support 2, and the front support and the rear support are connected through a connecting steel cable 5 to form a fixed triangle.
Alternatively, the bottom of the front bracket 1 and the bottom of the rear bracket 2 are connected to each other such that a fixed triangle is formed between the front bracket 1, the rear bracket 2, and the connecting cable 5.
The device that this application provided can be applied to demolising of tower crane cantilever crane 7, when demolising tower crane cantilever crane 7, fixes the device on cantilever crane 7, through fore- stock 1 and 2 fixed pulley 3 of after-poppet and thus the cable wire that supports the hoist engine promotes or descends demolishing the piece for demolishing of cantilever crane 7 becomes simpler, convenient, and very big degree has improved demolishs efficiency. And in the device that this application provided, back-pull assembly 4 can provide the balanced pulling force of back for fore-stock 1 for after-poppet 2 and through connecting cable 5, structural strength has been strengthened to very big degree, and fore-stock 1 and after-poppet 2 all are provided with left support arm 01 and right support arm 02 in the both sides of cantilever crane 7, can resist the load of side direction, thereby guarantee the stability of device, can overcome the tower crane and produce the side direction that causes when rocking or unbalance in the eminence, improvement operation security and device reliability that can be very big.
Optionally, a movable wheel 6 is arranged at a joint between the bottom of the front support 1 and the bottom of the rear support 2, the movable wheel 6 is supported on a slide rail of the arm support 7, and the front support 1 and the rear support 2 move on the slide rail through the movable wheel.
By arranging the movable wheels 6 at the bottoms of the front bracket 1 and the rear bracket 2, the movable wheels 6 can be
Optionally, the left support arm 01 and the right support arm 02 are formed by fastening two or more sections of steel pipes through a flange 03.
The left support arm 01 and the right support arm 02 can be formed by connecting and fastening a plurality of sections of steel pipes through flanges 02, and the flanges are connected through six bolts. Not only is convenient to assemble, but also is convenient to disassemble and move at high positions.
Optionally, the bottom of the left arm 01 and the bottom of the right arm 02 are connected to each other by a connecting member 04.
Optionally, the connector is a steel cable.
The bottoms of the left arm 01 and the right arm 02 can be fastened and connected with each other through a steel cable, so that the stability is improved.
Optionally, the back-pull assembly 4 is a chain block.
The backhitch assembly may be a chain block, such as a chain block or an electric block.
Optionally, a jump-groove preventing assembly 31 is provided on the pulley 3, and the jump-groove preventing assembly 31 is used for limiting the steel cable on the pulley groove of the pulley 3.
The anti-jumping groove component 31 can be arranged at the top of the pulley, and the anti-jumping groove component 31 can well limit the steel cable on the pulley groove of the pulley to prevent the steel cable from jumping the groove.
The device that this application provided can be applied to demolising of tower crane cantilever crane, when demolising the tower crane cantilever crane, fixes the device on the cantilever crane, through fore- stock 1 and 2 fixed pulley 3 of after-poppet and thus the cable wire that supports the hoist engine promotes or descends demolishing the piece for demolishing of cantilever crane becomes simpler, convenient, and very big degree has improved demolishs efficiency. And in the device that this application provided, back-pull assembly 4 can provide the balanced pulling force of back for fore-stock 1 for after-poppet 2 and through connecting cable 5, structural strength has been strengthened to very big degree, and fore-stock 1 and after-poppet 2 all are provided with left support arm 01 and right support arm 02 at the both sides of cantilever crane, can resist the load of side direction, thereby guarantee the stability of device, can overcome the tower crane and produce the side direction that causes when rocking or unbalance in the eminence, improvement operation security and device reliability that can be very big.
It is intended that the foregoing description of the disclosed embodiments enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an auxiliary device is demolishd to tower crane which characterized in that includes: the tower crane comprises a front support, a rear support, a pulley, a back-pull assembly and a connecting steel cable, wherein the front support and the rear support are fixed on an arm support of a tower crane, the pulley is arranged at the top of the front support and the top of the rear support, the pulley is used for supporting the steel cable of a winch of the tower crane, the steel cable is driven by the winch to lift or descend a demolition member, the back-pull assembly is used for fixing the rear support and providing back balance tension for the rear support, the connecting steel cable is used for connecting the front support and the rear support and providing back balance tension for the front support, the front support and the rear support are provided with a left support arm and a right support arm, the left support arm and the right support arm are respectively fixed at two sides of the arm support of the tower crane, the bottom ends of the left support arm and the right support arm are fixed on the arm support, the top ends of the left support arm and the right support arm are close to each other and connected, and form a fixed triangle with each other.
2. The tower crane dismantling assist device as claimed in claim 1, wherein a bottom of said front bracket and a bottom of said rear bracket are connected to each other so that a fixing triangle is formed between said front bracket, said rear bracket and said connecting wire rope.
3. The tower crane dismantling auxiliary device according to claim 1, wherein a movable wheel is provided at a connection between a bottom of the front bracket and a bottom of the rear bracket, the movable wheel is supported on a slide rail of an arm support, and the front bracket and the rear bracket are moved on the slide rail by the movable wheel.
4. The auxiliary device is demolishd to tower crane according to claim 1, wherein left side support arm and right side support arm are by two sections or two or more than two sections steel pipes through the ring flange fastening connection to constitute.
5. The tower crane dismantling auxiliary device according to claim 4, wherein the flanges are connected to each other by six bolts.
6. The tower crane dismantling auxiliary device according to claim 1, wherein the bottom of the left support arm and the bottom of the right support arm are connected to each other by a connecting member.
7. The tower crane dismantling assist device as claimed in claim 6, wherein said connector is a steel cable.
8. The tower crane dismantling assist device of claim 1, wherein said pull-back assembly is a chain block.
9. The tower crane dismantling auxiliary device according to claim 1, wherein an anti-jump groove assembly is disposed on the pulley, and the anti-jump groove assembly is used for restraining the steel cable on a pulley groove of the pulley.
10. The tower crane dismantling assist device of claim 9 wherein said anti-jump slot assembly is mounted on top of said pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104907.9A CN113845047A (en) | 2021-09-22 | 2021-09-22 | Auxiliary device is demolishd to tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104907.9A CN113845047A (en) | 2021-09-22 | 2021-09-22 | Auxiliary device is demolishd to tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113845047A true CN113845047A (en) | 2021-12-28 |
Family
ID=78974877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111104907.9A Pending CN113845047A (en) | 2021-09-22 | 2021-09-22 | Auxiliary device is demolishd to tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113845047A (en) |
-
2021
- 2021-09-22 CN CN202111104907.9A patent/CN113845047A/en active Pending
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