CN113682975A - High-altitude portable tower dismantling derrick mast - Google Patents
High-altitude portable tower dismantling derrick mast Download PDFInfo
- Publication number
- CN113682975A CN113682975A CN202111104608.5A CN202111104608A CN113682975A CN 113682975 A CN113682975 A CN 113682975A CN 202111104608 A CN202111104608 A CN 202111104608A CN 113682975 A CN113682975 A CN 113682975A
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- Prior art keywords
- plate
- dismantling
- tower
- standard knot
- base piece
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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
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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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
-
- 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
-
- 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
- B66C23/84—Slewing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a high-altitude portable tower dismantling derrick mast which is applied to a tower crane consisting of a plurality of standard knots, and comprises a left base piece, a right base piece, a stay bar, a suspension arm and a rotary supporting seat, wherein the left base piece and the right base piece are arranged outside the middle standard knot, the opposite end parts of the left base piece and the right base piece are fixedly connected to form a frame body, the frame body is fixedly arranged on the middle standard knot, the bottom end part of the stay bar is rotatably connected with the frame body through the rotary supporting seat, the suspension arm is positioned above the top standard knot, and the fixed end of the suspension arm is fixedly connected with the top end part of the stay bar; the tower dismantling derrick comprises a crane boom, a tower dismantling derrick mast and a tower dismantling derrick mast, and is characterized by further comprising a traction assembly and a descending assembly, wherein the traction assembly is arranged on the crane boom and used for hoisting a top standard knot, and the descending assembly is arranged on the standard knot and a frame body and used for adjusting the height of the tower dismantling derrick mast. The invention has the advantages of convenient and rapid assembly and disassembly, small size of a single part, capability of manual carrying, capability of freely rotating to realize 360-degree hoisting, large hoisting angle and strong operability.
Description
Technical Field
The invention relates to the technical field of tower crane disassembly, in particular to a high-altitude portable tower disassembling derrick mast.
Background
At present, the high-altitude dismantling of the tower crane is implemented by a dismantling process of dismantling a large tower crane by a small tower crane, and the last small tower crane is dismantled manually. However, parts of the small tower crane cannot be carried manually, a platform needs to be temporarily built and the mechanism needs to be dismantled at one time, and therefore the small tower crane is high in labor intensity, low in working efficiency, wasteful in materials and low in safety.
Disclosure of Invention
In view of the above problems, the invention provides a high-altitude portable tower dismantling derrick mast, which solves the problems of high dismantling labor intensity, low working efficiency, material waste and low safety of a small tower crane in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: a high-altitude portable tower dismantling derrick mast is applied to a tower crane consisting of a plurality of standard knots, and comprises a left base piece, a right base piece, a stay bar, a suspension arm and a rotary supporting seat, wherein the left base piece and the right base piece are arranged outside the middle standard knot, the opposite end parts of the left base piece and the right base piece are fixedly connected to form a frame body, the frame body is fixedly arranged on the middle standard knot, the bottom end part of the stay bar is rotatably connected with the frame body through the rotary supporting seat, the suspension arm is positioned above the top standard knot, and the fixed end of the suspension arm is fixedly connected with the top end part of the stay bar; the tower dismantling derrick comprises a crane boom, a tower dismantling derrick mast and a tower dismantling derrick mast, and is characterized by further comprising a traction assembly and a descending assembly, wherein the traction assembly is arranged on the crane boom and used for hoisting a top standard knot, and the descending assembly is arranged on the standard knot and a frame body and used for adjusting the height of the tower dismantling derrick mast.
Preferably, the rotary support seat comprises a bottom plate, an outer sleeve plate, an inner rotary plate and a connecting plate, the bottom plate is fixedly arranged on the frame body, the outer sleeve plate is fixedly connected to the bottom plate, the inner rotary plate is nested in the middle of the outer sleeve plate, a plurality of balls are arranged between the inner rotary plate and the outer sleeve plate, and the top end of the inner rotary plate is fixedly connected with the bottom end of the support rod through the connecting plate.
As the preferred scheme, still include spacing subassembly, spacing subassembly is including fixed the supporting seat that sets up in the vaulting pole surface and locate the baffle in the middle of the supporting seat, run through on supporting seat and the baffle and be provided with fixed bolt and activity bolt, just fixed bolt is located the activity bolt top, gyration supporting seat periphery has profile of tooth portion, the baffle edge is mutually supported with profile of tooth portion.
Preferably, the traction assembly comprises a winch, a first pulley, a plurality of second pulleys and a lifting hook, the winch is arranged on the fixing surface, the first pulley is arranged on the vertical surface, the second pulleys are arranged on the suspension arm at intervals, a steel wire rope of the winch sequentially passes through the first pulley and the second pulleys, the tail end of the steel wire rope is connected with the lifting hook, and the lifting hook is used for hooking the top standard knot.
As preferred scheme, the decline subassembly is chain block, the fixed otic placode that is provided with in frame body four corners, the otic placode includes straight otic placode and oblique otic placode, the standard festival surface is equipped with horizontal otic placode and vertical otic placode, just horizontal otic placode is located vertical otic placode top, vertical otic placode passes through connecting bolt and straight otic placode fixed connection, horizontal otic placode and oblique otic placode are connected with chain block both ends respectively.
As the preferred scheme, still be equipped with cat ladder, railing and pavement on the standard festival.
Preferably, the support rod comprises a plurality of sub rods which are connected with each other, and the sub rods are detachably connected with each other through connecting bolts.
Compared with the prior art, the invention has the beneficial effects that: the tower dismantling derrick mast adopts a detachable design, the left base piece, the right base piece, the stay bar and the suspension arm are connected through bolts, the assembly and the disassembly are convenient and rapid, the size of a single part is small, and the single part can be manually carried; the support rod is connected with the frame body through the rotary support seat, can rotate freely to realize 360-degree hoisting, and is large in hoisting angle and strong in operability; through setting up spacing subassembly, when the hoist and mount angle needs to be fixed, overturn the baffle downwards and make its and the profile of tooth portion block of gyration bearing, insert movable bolt again and can realize the fixed of angle, convenient operation. The height of the tower dismantling derrick mast can be conveniently adjusted by using the manual hoist.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
FIG. 1 is a diagram illustrating a state of use of a high-altitude portable tower-dismantling gin pole according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an assembly diagram of the high-altitude portable tower-dismantling gin pole and the tower crane according to the embodiment of the invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural diagram of a high-altitude portable tower-dismantling gin pole according to an embodiment of the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
fig. 7 is a schematic view of a connection structure of the chain block according to the embodiment of the invention.
Reference numbers in the figures: 100 standard knots, 100a horizontal lug plates, 100b vertical lug plates, 200 tower-dismantling derrick masts, 1 base left piece, 2 base right pieces, 3 support rods, 4 suspension arms, 5 rotary supporting seats, 501 bottom plates, 502 outer sleeve plates, 503 inner rotating plates, 504 balls, 505 connecting plates, 6 limiting components, 601 supporting seats, 602 baffles, 603 movable bolts, 604 fixed bolts, 7 lug plates, 7a straight lug plates, 7b inclined lug plates, 8 fixed bolts, 9 connecting bolts, 10 winches, 11 first pulleys, 12 steel wire ropes, 13 second pulleys, 14 lifting hooks and 15 chain blocks.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
An embodiment according to the invention is shown in connection with fig. 1 to 7. A high-altitude portable tower-dismantling derrick mast 200 is applied to a tower crane consisting of a plurality of standard sections 100. In this embodiment, the tower crane is composed of three standard sections 100 of top, middle and bottom, and in order to dismantle the top standard section 100, the tower dismantling derrick mast 200 is fixed on the middle standard section 100.
Referring to fig. 4 and 5, the tower-dismantling gin pole 200 includes a left base piece 1, a right base piece 2, a brace rod 3, a boom 4 and a rotary support seat 5, wherein the left base piece 1 and the right base piece 2 are disposed outside the middle standard knot 100, opposite end portions of the two are fixedly connected to form a frame body, and the frame body is fixedly disposed on the middle standard knot 100. Specifically, the opposite ends of the left base plate 1 and the right base plate 2 are connected into a frame body through fixing bolts 8.
The bottom end of the support rod 3 is rotatably connected with the frame body through a rotary supporting seat 5, the support rod 3 comprises a plurality of sub-rods connected with each other, and the sub-rods are detachably connected through connecting bolts 9. The suspension arm 4 is located above the top standard knot 100, and the fixed end thereof is fixedly connected with the top end part of the stay bar 3.
Referring to fig. 6, the rotary supporting base 5 is fixedly disposed at the middle portion of the right base plate 2, and specifically includes a bottom plate 501, an outer sleeve plate 502, an inner rotary plate 503 and a connecting plate 505, the bottom plate 501 is fixedly disposed on the frame body, the outer sleeve plate 502 is fixedly connected to the bottom plate 501, the inner rotary plate 503 is nested in the middle of the outer sleeve plate 502, a plurality of balls 504 are disposed between the inner rotary plate and the outer sleeve plate 502, and the top end portion of the inner rotary plate 503 is fixedly connected to the bottom end portion of the supporting rod 3 through the connecting plate 505. After the rotary supporting seat 5 is assembled, the supporting rod 3 can be driven to rotate manually or electrically, and the 360-degree free rotation of the hoisting angle is realized.
In the embodiment of the present invention, the tower-dismantling derrick mast 200 further includes a traction assembly and a descending assembly, the traction assembly is disposed on the boom 4 and is used for hoisting the top standard knot 100, and the descending assembly is disposed on the standard knot 100 and the frame body and is used for adjusting the height of the tower-dismantling derrick mast 200.
Referring to fig. 3, the traction assembly includes a winch 10, a first pulley 11, a plurality of second pulleys 13 and a hook 14, the winch 10 is disposed on a fixed surface, the first pulley 11 is disposed on a vertical surface, the plurality of second pulleys 13 are disposed on the boom 4 at intervals, a steel wire rope 12 of the winch 10 sequentially passes through the first pulley 11 and the plurality of second pulleys 13, the hook 14 is connected to a distal end of the steel wire rope 12, and the hook 14 is used for hooking the top standard knot 100. When the lifting hook is used, the lifting hook 14 and the top standard knot 100 are fixed, the winch 10 is started, and the steel wire rope 12 of the winch 10 is turned by the first pulley 11 and the second pulley 13 to lift the top standard knot 100.
Referring to fig. 7, the descending assembly is a chain block 15, the four corners of the frame body are fixedly provided with ear plates 7, each ear plate 7 comprises a straight ear plate 7a and an inclined ear plate 7b, the outer surface of the standard joint 100 is provided with a horizontal ear plate 100a and a vertical ear plate 100b, the horizontal ear plate 100a is located above the vertical ear plate 100b, the vertical ear plate 100b is fixedly connected with the straight ear plate 7a through a connecting bolt 9, and the horizontal ear plate 100a and the inclined ear plate 7b are respectively connected with the two ends of the chain block 15. After the hoisting of the top standard knot 100 is completed, the connecting bolt 9 between the vertical lug plate 100b and the straight lug plate 7a is loosened, the separation of the frame body and the middle standard knot 100 is realized, after the separation, the locking switch of the chain block 15 is opened, the tower dismounting derrick mast 200 gradually descends to the position of the bottom standard knot 100 under the action of self gravity, the frame body is fixed on the bottom standard knot 100, the chain block 15 is dismounted and installed between the bottom standard knot 100 and the frame body, then the middle standard knot 100 is hoisted, and the dismounting and hoisting of the multiple standard knots 100 can be realized sequentially layer by layer according to the steps.
Referring to fig. 2 and 6, the above-mentioned tower-dismantling gin pole 200 further includes a limiting component 6, where the limiting component 6 includes a supporting seat 601 fixedly disposed on the outer surface of the supporting rod 3 and a baffle 602 disposed in the middle of the supporting seat 601, a fixed bolt 604 and a movable bolt 603 are disposed on the supporting seat 601 and the baffle 602 in a penetrating manner, the fixed bolt 604 is disposed above the movable bolt 603, a tooth-shaped portion is disposed on the outer periphery of the rotary supporting seat 5, and the edge of the baffle 602 is matched with the tooth-shaped portion. In the hoisting and steering process, the baffle 602 is in the position of the dotted line in fig. 2, and the movable bolt 603 abuts against the bottom end face of the baffle 602 to play a limiting role. When the hoisting angle needs to be fixed, the movable bolt 603 is drawn out, the baffle 602 is turned downwards to be clamped with the tooth-shaped part of the rotary supporting seat, and then the movable bolt 603 is inserted to realize the angle fixation, so that the operation is convenient.
Preferably, the upper standard knot 100 is further provided with a ladder stand, a railing and a walkway, so that an operator can conveniently operate the tower-dismantling derrick mast 200.
In summary, the beneficial effects of the invention include: the tower dismantling derrick mast 200 adopts a detachable design, the left base piece 1, the right base piece 2, the stay bar 3 and the suspension arm 4 are connected through bolts, the assembly and disassembly are convenient and rapid, the size of a single part is small, and the single part can be manually carried; the support rod 3 is connected with the frame body through the rotary support seat 5, can rotate freely to realize 360-degree hoisting, and is large in hoisting angle and strong in operability; through setting up spacing subassembly 6, when the hoist and mount angle needs to be fixed, overturn baffle 602 downwards and make its and the profile of tooth portion block of gyration bearing, will insert movable bolt 603 again and can realize the fixed of angle, convenient operation. The height of the tower-dismantling derrick mast 200 can be conveniently adjusted by using the manual hoist.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (7)
1. A high-altitude portable tower dismantling derrick mast is applied to a tower crane consisting of a plurality of standard knots and is characterized in that the tower dismantling derrick mast comprises a left base piece, a right base piece, a stay bar, a suspension arm and a rotary supporting seat, wherein the left base piece and the right base piece are arranged outside the middle standard knot, the opposite end parts of the left base piece and the right base piece are fixedly connected to form a frame body, the frame body is fixedly arranged on the middle standard knot, the bottom end part of the stay bar is rotatably connected with the frame body through the rotary supporting seat, the suspension arm is positioned above the top standard knot, and the fixed end of the suspension arm is fixedly connected with the top end part of the stay bar;
the tower dismantling derrick comprises a crane boom, a tower dismantling derrick mast and a tower dismantling derrick mast, and is characterized by further comprising a traction assembly and a descending assembly, wherein the traction assembly is arranged on the crane boom and used for hoisting a top standard knot, and the descending assembly is arranged on the standard knot and a frame body and used for adjusting the height of the tower dismantling derrick mast.
2. The high-altitude portable tower dismantling derrick as defined in claim 1, wherein the rotary support base comprises a bottom plate, an outer sleeve plate, an inner rotary plate and a connecting plate, the bottom plate is fixedly disposed on the frame body, the outer sleeve plate is fixedly connected to the bottom plate, the inner rotary plate is nested in the middle of the outer sleeve plate, a plurality of balls are disposed between the inner rotary plate and the outer sleeve plate, and the top end of the inner rotary plate is fixedly connected to the bottom end of the support rod through the connecting plate.
3. The high-altitude portable tower dismantling derrick according to claim 1, further comprising a limiting assembly, wherein the limiting assembly comprises a support seat fixedly arranged on the outer surface of the stay bar and a baffle plate arranged in the middle of the support seat, a fixed bolt and a movable bolt are arranged on the support seat and the baffle plate in a penetrating manner, the fixed bolt is positioned above the movable bolt, a toothed portion is arranged on the periphery of the rotary support seat, and the edge of the baffle plate is matched with the toothed portion.
4. The high-altitude portable tower-dismantling derrick of claim 1, wherein the traction assembly comprises a winch, a first pulley, a second pulley and a hook, the winch is arranged on a fixed surface, the first pulley is arranged on a vertical surface, the second pulleys are arranged on a suspension arm at intervals, a steel wire rope of the winch sequentially passes through the first pulley and the second pulleys, the hook is connected to the tail end of the steel wire rope, and the hook is used for hooking a top standard knot.
5. The high-altitude portable tower dismantling derrick according to claim 1, wherein the descending component is a chain block, lug plates are fixedly arranged at four corners of the frame body, the lug plates comprise a straight lug plate and an inclined lug plate, a horizontal lug plate and a vertical lug plate are arranged on the outer surface of the standard knot, the horizontal lug plate is located above the vertical lug plate, the vertical lug plate is fixedly connected with the straight lug plate through a connecting bolt, and the horizontal lug plate and the inclined lug plate are respectively connected with two ends of the chain block.
6. The high-altitude portable tower-dismantling gin pole as claimed in claim 1, wherein the standard knot is further provided with a ladder, a railing and a walkway.
7. The high altitude portable tower-dismantling gin pole as claimed in claim 1, wherein the brace comprises a plurality of sub-poles connected with each other, and the sub-poles are detachably connected with each other through connecting bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104608.5A CN113682975A (en) | 2021-09-22 | 2021-09-22 | High-altitude portable tower dismantling derrick mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104608.5A CN113682975A (en) | 2021-09-22 | 2021-09-22 | High-altitude portable tower dismantling derrick mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113682975A true CN113682975A (en) | 2021-11-23 |
Family
ID=78586769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111104608.5A Pending CN113682975A (en) | 2021-09-22 | 2021-09-22 | High-altitude portable tower dismantling derrick mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113682975A (en) |
-
2021
- 2021-09-22 CN CN202111104608.5A patent/CN113682975A/en active Pending
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