CN212374765U - Auxiliary device for aerial extension crane boom of tower crane - Google Patents
Auxiliary device for aerial extension crane boom of tower crane Download PDFInfo
- Publication number
- CN212374765U CN212374765U CN202021043885.0U CN202021043885U CN212374765U CN 212374765 U CN212374765 U CN 212374765U CN 202021043885 U CN202021043885 U CN 202021043885U CN 212374765 U CN212374765 U CN 212374765U
- Authority
- CN
- China
- Prior art keywords
- boom
- traction rope
- pulley
- block
- aerial
- 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.)
- Active
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a tower crane technical field's an aerial auxiliary device that connects long jib loading boom, including first jib loading boom, set up electronic platform truck on the first jib loading boom, set up the diaphragm on the electronic platform truck, the diaphragm passes through the connecting rod and is connected with first pulley, twine first haulage rope on the first pulley, the bottom of first jib loading boom sets up the lifting hook, lifting hook and traction box fixed connection, the traction box passes through the connecting rod and is connected with the second pulley, twine the second haulage rope on the second pulley, the second haulage rope is connected with resilient means, resilient means is connected with the pouring weight, set up slider on the second haulage rope, slider is connected with the connecting block, the connecting block is connected with the second jib loading boom, first jib loading boom is connected with first haulage rope, set up the second connector on the second jib loading boom, the mutual adaptation of second connector and first connector, the device effectively prevents the interference of wind-force to the butt joint.
Description
Technical Field
The utility model relates to a tower crane technical field specifically is an aerial auxiliary device that prolongs jib loading boom of tower crane.
Background
The tower crane is an engineering hoisting tool, sometimes a crane boom needs to be lengthened, the hoisting range is enlarged, when the crane boom is lengthened, the crane boom for lengthening is influenced by wind power in the air, so that the crane boom is unstable in swinging, difficult to be successfully butted and installed, time of workers is wasted, and unnecessary waiting is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aerial auxiliary device that uses of extension jib loading boom of tower crane to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary device for an aerial lengthening jib of a tower crane comprises a first jib, wherein one end of the first jib is provided with a first connector, the first jib is provided with an electric trolley, the electric trolley is provided with a transverse plate, the transverse plate is connected with a first pulley through a connecting rod, the first pulley is wound with a first traction rope, the bottom end of the first jib is provided with a hook, the hook is fixedly connected with a traction box, the traction box is connected with a second pulley through a connecting rod, the second pulley is wound with a second traction rope, the second traction rope is connected with an elastic device, the elastic device is connected with a heavy block, the second traction rope is provided with a sliding device, the sliding device is connected with a connecting block, the connecting block is connected with a second jib, the first jib is connected with the first traction rope, the second jib is provided with a second connector, the second connector is matched with the first connector.
Further, the elastic device comprises a sleeve, the sleeve is fixed on the weight block, a sliding block is arranged in the sleeve, a first spring is arranged at the bottom end of the sliding block, a cylinder is arranged at the top end of the sliding block, the cylinder penetrates through the sleeve to be connected with a second traction rope, a second spring is sleeved on the outer wall of the cylinder, and the second spring is located in the sleeve.
Furthermore, the traction box comprises a box body, a double-shaft motor is arranged in the box body, two motor shafts of the double-shaft motor are connected with a winding shaft, and a second traction rope is wound on the winding shaft.
Further, the sliding device comprises a cylindrical block, the second traction rope penetrates through the upper side and the lower side of the cylindrical block, supporting rods are evenly arranged in the cylindrical block and are connected with the roller, and the roller is just in contact with the second traction rope.
Further, set up first fixed block on the cylinder piece inner wall, first fixed block rotates and connects the pivot, the pivot is connected with the pinch roller, pinch roller and second haulage rope extrusion contact.
Furthermore, a second fixed block is arranged in the cylindrical block, a third spring is arranged on the second fixed block, and the third spring is connected with the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that: the auxiliary device for the aerial extension crane boom of the tower crane, which is provided by the technical scheme, can enable the second crane boom to slide along the second traction rope, so that the second crane boom can be conveniently and successfully butted, the interference of wind power on the extension butt joint is effectively prevented, and the device is simple and high in practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the elastic device of the present invention;
FIG. 3 is a schematic structural view of the traction box of the present invention;
FIG. 4 is a schematic structural view of the sliding device of the present invention;
fig. 5 is a schematic structural view of the sliding device of the present invention.
In the figure: 1. a first lifting arm; 2. a first connector; 3. an electric trolley; 4. a transverse plate; 5. a first pulley; 6. a first pull cord; 7. a hook; 8. a traction box; 9. a second pulley; 10. a second pull cord; 11. a second boom; 12. an elastic device; 13. a weight block; 14. a sliding device; 15. connecting blocks; 16. a second connector; 81. a box body; 82. a double-shaft motor; 83. a winding shaft; 121. a sleeve; 122. a slider; 123. a first spring; 124. a cylinder; 125. a second spring; 141. a cylindrical block; 142. a strut; 143. a roller; 144. a first fixed block; 145. a rotating shaft; 146. a pinch roller; 147. a third spring; 148. and a second fixed block.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, an auxiliary device for an aerial extension boom of a tower crane includes a first boom 1, the first boom 1 is a main boom of a crane, a second boom 11 is an extension boom to be connected, a first connector 2 is disposed at one end of the first boom 1, and the first connector 2 and a second connector 16 are connected to each other, so that the boom is lengthened;
as shown in fig. 1, an electric trolley 3 is arranged on a first boom 1, the electric trolley 3 can slide left and right on the first boom 1, a transverse plate 4 is arranged on the electric trolley 3, the transverse plate 4 can prevent rain and influence workers' connection, the transverse plate 4 is connected with a first pulley 5 through a connecting rod, a first traction rope 6 is wound on the first pulley 5, and the first traction rope 6 is driven by a winch to be pulled, which is the prior art;
as shown in fig. 1, a hook 7 is arranged at the bottom end of a first boom 1, the hook 7 can slide left and right on the lower end of the first boom 1, the hook 7 is fixedly connected with a traction box 8, the traction box 8 is connected with a second pulley 9 through a connecting rod, a second traction rope 10 is wound on the second pulley 9, the second traction rope 10 is pulled by a double-shaft motor 82 in the traction box 8, the second traction rope 10 is connected with an elastic device 12, and the elastic device 12 is connected with a weight 13;
as shown in fig. 1, a sliding device 14 is disposed on the second hauling cable 10, the sliding device 14 is connected with a connecting block 15, the connecting block 15 is connected with the second boom 11, the first boom 1 is connected with the first hauling cable 6, a second connector 16 is disposed on the second boom 11, the second connector 16 is adapted to the first connector 2, wherein the sliding device 14 facilitates the second boom 11 to slide along the second hauling cable 10.
As shown in fig. 2, the elastic device 12 includes a sleeve 121, the sleeve 121 is fixed on the weight 13, a slider 122 is disposed in the sleeve 121, a first spring 123 is disposed at the bottom end of the slider 122, a cylinder 124 is disposed at the top end of the slider 122, the cylinder 124 passes through the sleeve 121 to connect with the second traction rope 10, a second spring 125 is sleeved on the outer wall of the cylinder 124, the second spring 125 is disposed in the sleeve 121, and the elastic device 12 provides an elastic force through the spring, so that the second traction rope 10 is always kept in a tight state, and the second traction rope 10 is prevented from being loosened;
as shown in fig. 3, the traction box 8 includes a box 81, a double-shaft motor 82 is disposed in the box 81, two motor shafts of the double-shaft motor 82 are connected with a winding shaft 83, the winding shaft 83 is wound with second traction ropes 10, and two groups of second traction ropes 10 form a double channel, so as to facilitate traction of the second boom 11;
during the use, draw case 8 and slide along first jib boom 1, the biax motor 82 in drawing case 8 rotates, releases second haulage rope 10, second haulage rope 10 is stretched straightly under the effect of pouring weight 13, second haulage rope 10 after stretching straightly can play certain guide effect, the second jib boom 11 of being convenient for slides, first haulage rope 6 pulls second jib boom 11 for second jib boom 11 upwards slides, can prevent that second jib boom 11 from shaking or swaying when sliding indefinite, increase the stability when lengthening the jib butt joint.
The auxiliary device for the aerial extension crane boom of the tower crane, which is provided by the technical scheme, can prevent the butt joint crane boom from swinging in the air, so that the stability during butt joint can be improved.
Example 2
As shown in fig. 4, the sliding device 14 includes a cylindrical block 141, the second traction rope 10 penetrates through the upper and lower sides of the cylindrical block 141, struts 142 are uniformly arranged in the cylindrical block 141, the struts 142 are connected with rollers 143, the rollers 143 are just in contact with the second traction rope 10, and the rollers 143 in the cylindrical block 141 are in contact with the second traction rope 10 for facilitating sliding;
as shown in fig. 5, a first fixing block 144 is disposed on an inner wall of the cylindrical block 141, the first fixing block 144 is rotatably connected to a rotating shaft 145, the rotating shaft 145 is connected to a pressing wheel 146, the pressing wheel 146 is in pressing contact with the second traction rope 10, and the pressing wheel 146 presses the second traction rope 10 to limit the cylindrical block 141 to slide, so as to prevent the cylindrical block from separating from the second boom 11 when moving to the highest position and suddenly falling from the high school.
As shown in fig. 5, a second fixed block 148 is arranged in the cylindrical block 141, a third spring 147 is arranged on the second fixed block 148, the third spring 147 is connected with the rotating shaft 145, and the third spring 147 is arranged to facilitate the upward movement of the cylindrical block and limit the downward movement of the cylindrical block 141, thereby facilitating the transportation of the second boom 11;
the rollers 143, the press wheels 146 and the like are added relative to the embodiment 1, so that the upward sliding of the cylindrical block 141 is facilitated, and the downward movement of the cylindrical block 141 can be limited, and the cylindrical block is prevented from suddenly falling when the cylindrical block is separated from the second lifting arm 11 suddenly.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An aerial auxiliary device that lengthens jib loading boom of tower crane, includes first jib loading boom (1), its characterized in that: one end of the first lifting arm (1) is provided with a first connecting head (2), the first lifting arm (1) is provided with an electric trolley (3), the electric trolley (3) is provided with a transverse plate (4), the transverse plate (4) is connected with a first pulley (5) through a connecting rod, the first pulley (5) is wound with a first traction rope (6), the bottom end of the first lifting arm (1) is provided with a lifting hook (7), the lifting hook (7) is fixedly connected with a traction box (8), the traction box (8) is connected with a second pulley (9) through a connecting rod, the second pulley (9) is wound with a second traction rope (10), the second traction rope (10) is connected with an elastic device (12), the elastic device (12) is connected with a weight (13), the second traction rope (10) is provided with a sliding device (14), and the sliding device (14) is connected with a connecting block (15), the connecting block (15) is connected with the second crane boom (11), the first crane boom (1) is connected with the first traction rope (6), the second connector (16) is arranged on the second crane boom (11), and the second connector (16) is matched with the first connector (2) mutually.
2. The auxiliary device for the aerial lengthened cargo boom of the tower crane according to claim 1, wherein: elastic device (12) include sleeve (121), sleeve (121) are fixed on pouring weight (13), set up slider (122) in sleeve (121), the bottom of slider (122) sets up first spring (123), the top of slider (122) sets up a section of thick bamboo post (124), section of thick bamboo post (124) pass sleeve (121) and are connected with second haulage rope (10), section of thick bamboo post (124) outer wall cup joints second spring (125), and second spring (125) are located sleeve (121).
3. The auxiliary device for the aerial lengthened cargo boom of the tower crane according to claim 1, wherein: draw case (8) including box (81), set up in box (81) biax motor (82), two motor shafts and the winding axle (83) of biax motor (82) are connected, winding second haulage rope (10) on winding axle (83).
4. The auxiliary device for the aerial lengthened cargo boom of the tower crane according to claim 1, wherein: the sliding device (14) comprises a cylindrical block (141), the second traction rope (10) penetrates through the upper side and the lower side of the cylindrical block (141), supporting rods (142) are uniformly arranged in the cylindrical block (141), the supporting rods (142) are connected with rollers (143), and the rollers (143) are just contacted with the second traction rope (10).
5. The auxiliary device for the aerial lengthened cargo boom of the tower crane according to claim 4, wherein: the inner wall of the cylindrical block (141) is provided with a first fixing block (144), the first fixing block (144) is rotatably connected with a rotating shaft (145), the rotating shaft (145) is connected with a pressing wheel (146), and the pressing wheel (146) is in extrusion contact with the second traction rope (10).
6. The auxiliary device for the aerial lengthened cargo boom of the tower crane according to claim 5, wherein: a second fixed block (148) is arranged in the cylindrical block (141), a third spring (147) is arranged on the second fixed block (148), and the third spring (147) is connected with the rotating shaft (145).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021043885.0U CN212374765U (en) | 2020-06-09 | 2020-06-09 | Auxiliary device for aerial extension crane boom of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021043885.0U CN212374765U (en) | 2020-06-09 | 2020-06-09 | Auxiliary device for aerial extension crane boom of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212374765U true CN212374765U (en) | 2021-01-19 |
Family
ID=74180174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021043885.0U Active CN212374765U (en) | 2020-06-09 | 2020-06-09 | Auxiliary device for aerial extension crane boom of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212374765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982054A (en) * | 2020-08-27 | 2020-11-24 | 福建省永富建设集团有限公司 | Multi-use architecture structure nondestructive test device convenient to use |
-
2020
- 2020-06-09 CN CN202021043885.0U patent/CN212374765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982054A (en) * | 2020-08-27 | 2020-11-24 | 福建省永富建设集团有限公司 | Multi-use architecture structure nondestructive test device convenient to use |
| CN111982054B (en) * | 2020-08-27 | 2022-04-05 | 永富建工集团有限公司 | Multi-use architecture structure nondestructive test device convenient to use |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208352858U (en) | Control adjustable length high-altitude power equipment maintaining takes sundries | |
| CN212374765U (en) | Auxiliary device for aerial extension crane boom of tower crane | |
| CN115977456A (en) | Pole is embraced to two rocking arms of console mode | |
| CN206645749U (en) | Electric block type multi-lay winding hoist engine | |
| CN202864746U (en) | Telescopic boom crane | |
| CN108706471B (en) | Method for disassembling rigid leg of large gantry crane | |
| CN207175292U (en) | Derrick crane raising wiring system | |
| CN2698761Y (en) | Portable crane | |
| CN209835486U (en) | High-rise hoisting equipment | |
| CN211946098U (en) | Lifting machine for building engineering | |
| CN201209086Y (en) | Crane spreader with tilting device | |
| CN203486824U (en) | Automatic distance-adjustment mechanism for coupling movable pulley block | |
| CN112707317A (en) | Vehicle-mounted rotatable foldable electric crane for off-road vehicle | |
| CN206014260U (en) | Support rope structure | |
| CN201809046U (en) | Hoisting device | |
| CN215854606U (en) | Hoisting accessory for power maintenance | |
| CN212799373U (en) | Double-arm crane | |
| CN208037886U (en) | A kind of boom of hoister | |
| CN110606441A (en) | Full-ground crane boom and use method thereof | |
| CN214879743U (en) | Adjustable motor hoisting equipment | |
| CN215479320U (en) | High material hoisting device for construction of security | |
| CN220317146U (en) | Hoisting device of prefabricated inverted arch assembly trolley | |
| CN213569239U (en) | Crane | |
| CN216190558U (en) | Flat-head type intelligent tower crane | |
| CN218114875U (en) | Building material lifting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |