CN212076245U - Tower crane fastness detection device - Google Patents
Tower crane fastness detection device Download PDFInfo
- Publication number
- CN212076245U CN212076245U CN202020222473.7U CN202020222473U CN212076245U CN 212076245 U CN212076245 U CN 212076245U CN 202020222473 U CN202020222473 U CN 202020222473U CN 212076245 U CN212076245 U CN 212076245U
- Authority
- CN
- China
- Prior art keywords
- tower crane
- detection device
- steel
- extension spring
- tension spring
- 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.)
- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a tower crane fastness detection device, including two-way stay switch, extension spring board, open rigging turnbuckle, wire rope, extension spring, steel cable stock, round pin axle, support, the extension spring board is through open rigging turnbuckle and extension spring swing joint, the steel cable stock is articulated through round pin axle and support, compares with prior art, the utility model discloses following beneficial effect has: once the suspension arm of the tower crane is broken, the suspension arm touches the steel wire rope, and the bidirectional pull-cord switch can be powered off to protect the tower crane driving device.
Description
Technical Field
The utility model relates to a tower crane fastness detection device belongs to hoist technical field.
Background
The tower crane is widely applied to all large construction sites in China as a large construction machine. In recent years, the number of tower cranes is increasing, and accidents are increasing. The experts think that the welding quality of the suspension arm of the tower crane is a key point, once the suspension arm is broken or deformed, the suspension arm is difficult to find in the early stage, and the arrangement of a firmness detection device becomes a new subject.
Disclosure of Invention
Not enough to prior art exists, the utility model aims at providing a tower crane fastness detection device to propose the davit fracture or warp in solving above-mentioned background art, the unable early problem of discovering.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a tower crane fastness detection device, includes two-way stay cord switch, pull spring board, open rigging turnbuckle, wire rope, extension spring, steel cable cover frame, round pin axle, support, the pull spring board is through open rigging turnbuckle and extension spring swing joint, the steel cable cover frame is articulated with the support through the round pin axle.
Furthermore, the tension spring plate is welded on two sides of the suspension arm and symmetrically arranged, and a through hole for the open rigging screw buckle to pass through is formed in the tension spring plate.
Further, the extension length of the tension spring is 28000mm, and the diameter phi is 10 mm.
Furthermore, the bidirectional pull-cord switch is bolted with the bracket through fasteners, at least 4 groups of fasteners are arranged, and the bidirectional pull-cord switch is symmetrically arranged on two sides of the suspension arm.
Further, the pin shaft is made of No. 45 steel.
Furthermore, a seamless steel pipe is arranged on the steel rope sleeve frame, the length of the seamless steel pipe is 100mm, and the inner diameter of the steel pipe is larger than the outer diameter of the steel rope.
The utility model has the advantages that: the utility model discloses an extension spring and steel cable cover frame, wire rope set up in the davit both sides, in case the davit warp or the fracture will touch wire rope, and then start the stay cord switch, the stay cord switch can all actuating system of power-off protection, and the suggestion operator avoids the accident to take place further.
By analogy, the device can be used together by multiple groups and can also be applied to the vertical direction to ensure the hidden danger caused by the deformation of the steel structure, and the hidden danger cannot be discovered in the initial stage.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a top view of the tower crane firmness detection apparatus of the present invention;
fig. 2 is the utility model relates to a tower crane fastness detection device's local enlargements.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a tower crane fastness detection device, includes two-way stay switch 1, extension spring board 3, open rigging turnbuckle 4, wire rope 2, extension spring 5, steel cable cover frame 6, round pin axle 7, support 8, 3 symmetric welding of extension spring board and davit both sides, if the davit cross-section is great, but right amount welding deep floor increases tensile strength. The tension spring plate 3 is provided with a group of through holes for the open rigging screw buttons 4 to pass through, and the diameter of the through holes is 8-12 mm. The open rigging turnbuckle 4 can rotate its screw to make fine adjustment according to the need. The first connecting section of the steel rope sleeve frame 6 is connected with the tension spring 5, and the second connecting end is hinged with the support 8 through a pin shaft 7. When the bidirectional pull-cord switch is used, once an external force touches the steel wire rope 2, the first connecting end of the steel wire rope 2 pulls the bidirectional pull-cord switch 1, the bidirectional pull-cord switch 1 is started, a signal is transmitted to the control room, and then the whole machine is subjected to power-off protection.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a tower crane fastness detection device, includes two-way stay switch, extension spring board, open rigging turnbuckle, wire rope, extension spring, steel cable cover frame, round pin axle, support, its characterized in that: the tension spring plate is movably connected with the tension spring through an open rigging screw buckle, and the steel rope sleeve frame is hinged with the support through a pin shaft.
2. The tower crane firmness detection device of claim 1, wherein: the tension spring plate is welded on two sides of the suspension arm and symmetrically arranged, and a through hole for the open rigging screw buckle to pass through is formed in the tension spring plate.
3. The tower crane firmness detection device of claim 1, wherein: the extension length of the tension spring is 28000mm, and the diameter phi is 10 mm.
4. The tower crane firmness detection device of claim 1, wherein: the bidirectional pull-cord switch is bolted with the bracket through fasteners, at least 4 groups of fasteners are arranged, and the bidirectional pull-cord switch is symmetrically arranged on two sides of the suspension arm.
5. The tower crane firmness detection device according to any one of claims 1 to 4, wherein: the pin shaft is made of No. 45 steel.
6. The tower crane firmness detection device of claim 1, wherein: the steel rope sleeve frame is provided with a seamless steel pipe, the length of the seamless steel pipe is 100mm, and the inner diameter of the steel pipe is larger than the outer diameter of the steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020222473.7U CN212076245U (en) | 2020-02-27 | 2020-02-27 | Tower crane fastness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020222473.7U CN212076245U (en) | 2020-02-27 | 2020-02-27 | Tower crane fastness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212076245U true CN212076245U (en) | 2020-12-04 |
Family
ID=73560298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020222473.7U Expired - Fee Related CN212076245U (en) | 2020-02-27 | 2020-02-27 | Tower crane fastness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212076245U (en) |
-
2020
- 2020-02-27 CN CN202020222473.7U patent/CN212076245U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220323 Address after: 430000 room 2, floor 1-2, building 12, Minghong, phase I, enterprise headquarters base, No. 27, yangqiaohu Avenue, Canglong Island office, Jiangxia District, Wuhan City, Hubei Province Patentee after: Hubei Zhongcheng Tongchuang Engineering Technology Co.,Ltd. Address before: No.231, no.72-5, Caocang Road, Dadong District, Shenyang City, Liaoning Province, 110000 Patentee before: Yang Ying |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |