CN220223342U - Attachment rod for tower crane - Google Patents
Attachment rod for tower crane Download PDFInfo
- Publication number
- CN220223342U CN220223342U CN202321722421.6U CN202321722421U CN220223342U CN 220223342 U CN220223342 U CN 220223342U CN 202321722421 U CN202321722421 U CN 202321722421U CN 220223342 U CN220223342 U CN 220223342U
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- rod
- bevel gear
- tower crane
- welded
- bar
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an attachment rod for a tower crane, which relates to the technical field of tower cranes and comprises a main shell and a telescopic mechanism, wherein one side of the main shell is welded with a fixed lug, the other side of the main shell is welded with a control cabin, the other side of the control cabin is welded with a mechanism shell, the outer side of the mechanism shell is provided with a movable frame, the surface of the mechanism shell is provided with a groove, the inside of the control cabin is provided with the telescopic mechanism, the telescopic mechanism comprises a holding rod and a connecting rod, the holding rod can drive the connecting rod to rotate with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear can drive a screw rod to rotate together, the screw rod rotates to drive the movable frame to rotate, but a limiting rod can not rotate the movable frame, so that the movable frame stretches out or retracts to achieve the purpose of device expansion, the device can be expanded and contracted only by rotating the holding rod under the action of a gear set, the operation is simple, and the moving numerical value is more accurate.
Description
Technical Field
The utility model relates to the technical field of tower cranes, in particular to an attachment rod for a tower crane.
Background
The attachment rod of the tower crane is a hoisting device for connecting the crane and a building structure, is usually made of steel pipes, is installed at the top of the building, and can enable the crane to cross corners of the building without being limited by strength required by hanging heavy objects due to the application of the attachment rod of the working arm of the support crane, so that the operation efficiency and the construction speed are improved, and the influence on urban traffic and the casualties risk of personnel are remarkably reduced.
Through retrieval, patent number CN212403278U mentions an attaching rod for a tower crane, and belongs to the technical field of tower cranes; holes are formed in the first firmware and the second firmware, the relative positions between the first firmware and the second firmware are fixed by penetrating the holes in the first firmware and the holes in the second firmware through connecting pieces, when the length of the attaching rod needs to be adjusted, only the first firmware and the second firmware need to be slid, and the whole length of the first firmware and the second firmware is enabled to reach the length needed to be adjusted and is fixed through the connecting pieces.
Thus, we provide an attachment bar for a tower crane solving the above problems.
Disclosure of Invention
The object of the present utility model is to provide an attachment bar for a tower crane, solving the problems set forth in the background art mentioned above.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an attach rod for tower crane, includes main casing and telescopic machanism, one side welding of main casing has fixed ear, the opposite side welding of main casing has the control bin, the opposite side welding of control bin has the mechanism's casing, the outside of mechanism's casing is provided with the movable frame, the surface of mechanism's casing is seted up flutedly, the inside of control bin is provided with telescopic machanism, the top of control bin is provided with the holding rod, the bottom welding of holding rod has the connecting rod.
Preferably, a first bevel gear is welded at the bottom end of the connecting rod, and a second bevel gear is meshed with one side of the first bevel gear.
Preferably, a screw rod is welded on the inner side of the second bevel gear, and a limiting rod is arranged on the surface of the screw rod.
Preferably, the surface welding of gag lever post has the connecting block, and the connecting block is provided with four.
Preferably, a stop disc is arranged on one side of the screw rod, and the stop disc is made of forged steel.
Preferably, a bearing is arranged on the other side of the screw rod, and the bearing is made of alloy.
Preferably, the surface of the bearing is provided with a weight-increasing fixed block, and the weight-increasing fixed block is cylindrical.
Compared with the prior art, the utility model has the beneficial effects that:
through telescopic machanism's setting, when using, with the fixed ear of both sides respectively on tower crane and stable thing, when needing the device to stretch out and draw back, rotate the holding rod with the hand, the holding rod can drive connecting rod and first bevel gear rotation this moment, because first bevel gear and second bevel gear meshing, the second bevel gear can drive the lead screw and rotate together.
The screw rod rotates to drive the movable frame to rotate, but the limiting rod enables the movable frame to rotate, so that the movable frame stretches out or retracts to achieve the purpose of stretching out and retracting the device, the device can stretch out and retract under the action of the gear set only by rotating the holding rod, the operation is simple and convenient, and the moving numerical value is more accurate.
Drawings
FIG. 1 is a schematic view of an attachment bar according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an attachment bar of the present utility model;
FIG. 3 is a schematic view of a stop lever according to the present utility model;
fig. 4 is a schematic view of the structure of the screw rod of the present utility model.
Reference numerals in the drawings: 1. a main housing; 2. a fixed ear; 3. a control bin; 4. a mechanism housing; 5. a moving rack; 6. a groove; 7. a telescoping mechanism; 701. a grip; 702. a connecting rod; 703. a first bevel gear; 704. a second bevel gear; 705. a screw rod; 706. a limit rod; 707. a connecting block; 708. a termination disk; 709. a bearing; 710. the weight is increased by the fixed block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an attach rod for tower crane, includes main casing 1 and telescopic machanism 7, and fixed ear 2 has been welded to one side of main casing 1, and control bin 3 has been welded to the opposite side of main casing 1, and mechanism's casing 4 has been welded to the opposite side of control bin 3, and the outside of mechanism's casing 4 is provided with removes frame 5, and recess 6 has been seted up on the surface of mechanism's casing 4, and the inside of control bin 3 is provided with telescopic machanism 7, and the top of control bin 3 is provided with holding rod 701, and the bottom welding of holding rod 701 has connecting rod 702.
Further, the bottom end of the connecting rod 702 is welded with a first bevel gear 703, one side of the first bevel gear 703 is meshed with a second bevel gear 704, the holding rod 701 is rotated by hand, at this time, the holding rod 701 drives the connecting rod 702 to rotate with the first bevel gear 703, and the first bevel gear 703 is meshed with the second bevel gear 704, so that the second bevel gear 704 drives the screw rod 705 to rotate together.
Further, a screw rod 705 is welded to the inner side of the second bevel gear 704, a limit rod 706 is provided on the surface of the screw rod 705, and the second bevel gear 704 is provided to change the transverse force of the first bevel gear 703 into the longitudinal force.
Further, connecting blocks 707 are welded on the surface of the limiting rod 706, four connecting blocks 707 are arranged, and the moving frame 5 is limited to move on the screw rod 705 by arranging the limiting rod 706.
Further, a stop plate 708 is provided on one side of the screw rod 705, and the stop plate 708 is made of forged steel, so that the movement of the movable frame 5 is stopped by providing the stop plate 708, and the maximum extension value of the device is also obtained when the movable frame 5 is blocked.
Further, a bearing 709 is provided on the other side of the screw rod 705, and the bearing 709 is made of an alloy, so that the weight-increasing fixing block 710 does not rotate together when the device stretches and contracts by providing the bearing 709, and the load of the device is increased.
Further, the surface of the bearing 709 is provided with a weight fixing block 710, the weight fixing block 710 is cylindrical, and the screw rod 705 is fixed in the device by providing the weight fixing block 710 while increasing the weight of the device.
Working principle: firstly, an attaching rod for a tower crane is moved to a working position, when the attaching rod is used, the fixed lugs 2 on two sides are respectively arranged on the tower crane and a stabilizer in the first step, the holding rod 701 is rotated by hand in the second step, at the moment, the holding rod 701 drives the connecting rod 702 to rotate with the first bevel gear 703, the second bevel gear 704 drives the screw rod 705 to rotate together in the third step, the screw rod 705 rotates in the fourth step, the moving frame 5 is driven to rotate by the rotation of the screw rod 705, but the moving frame 5 cannot rotate by the limiting rod 706, so that the moving frame 5 stretches out or retracts to achieve the purpose of device extension, and the using process of the attaching rod for the tower crane is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An attachment bar for a tower crane, characterized by: including main casing (1) and telescopic machanism (7), one side welding of main casing (1) has fixed ear (2), the opposite side welding of main casing (1) has control storehouse (3), the opposite side welding of control storehouse (3) has mechanism's casing (4), the outside of mechanism's casing (4) is provided with removes frame (5), recess (6) have been seted up on the surface of mechanism's casing (4), the inside of control storehouse (3) is provided with telescopic machanism (7), the top of control storehouse (3) is provided with holding rod (701).
2. An attachment bar for a tower crane according to claim 1, characterized in that the telescopic mechanism (7) comprises a grip bar (701), a connecting bar (702), a first bevel gear (703), a second bevel gear (704), a screw (705), a stop bar (706), a connecting block (707), a terminating disc (708), a bearing (709) and a weight increasing fixed block (710).
3. An attachment bar for a tower crane according to claim 1, characterized in that the bottom end of the grip bar (701) is welded with a connecting bar (702), the bottom end of the connecting bar (702) being welded with a first bevel gear (703).
4. An attachment bar for a tower crane according to claim 3, characterized in that one side of the first bevel gear (703) is meshed with a second bevel gear (704), and that the inner side of the second bevel gear (704) is welded with a screw (705).
5. The attachment rod for a tower crane according to claim 4, wherein a limit rod (706) is arranged on the surface of the screw rod (705), and a connecting block (707) is welded on the surface of the limit rod (706).
6. An attachment bar for a tower crane according to claim 4, characterized in that one side of the screw (705) is provided with a terminating disc (708) and the other side of the screw (705) is provided with a bearing (709).
7. The attachment rod for a tower crane according to claim 6, wherein the surface of the bearing (709) is provided with a weight increasing fixing block (710), and the material of the bearing (709) is an alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722421.6U CN220223342U (en) | 2023-07-03 | 2023-07-03 | Attachment rod for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321722421.6U CN220223342U (en) | 2023-07-03 | 2023-07-03 | Attachment rod for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223342U true CN220223342U (en) | 2023-12-22 |
Family
ID=89187346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321722421.6U Active CN220223342U (en) | 2023-07-03 | 2023-07-03 | Attachment rod for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220223342U (en) |
-
2023
- 2023-07-03 CN CN202321722421.6U patent/CN220223342U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |