CN214359904U - Automatic drawing mechanism for safety pin of tower crane - Google Patents
Automatic drawing mechanism for safety pin of tower crane Download PDFInfo
- Publication number
- CN214359904U CN214359904U CN202120342755.5U CN202120342755U CN214359904U CN 214359904 U CN214359904 U CN 214359904U CN 202120342755 U CN202120342755 U CN 202120342755U CN 214359904 U CN214359904 U CN 214359904U
- Authority
- CN
- China
- Prior art keywords
- pin
- sleeve frame
- safety pin
- tower crane
- cost
- 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 belongs to the technical field of tower machine safety, especially, relate to an automatic mechanism of drawing of tower machine safety pin. The technical problem to be solved by the utility model is to provide a ladder stand which saves labor cost, cost of a sleeve frame platform and cost of a ladder stand; and meanwhile, the pin is pulled out or inserted, so that the stress of the sleeve frame is more stable, the use stability of the sleeve frame is improved, the service life of the sleeve frame is prolonged, and the safety pin automatic pulling mechanism of the tower crane is safer and more reliable in the integral structure of the tower crane. An automatic drawing mechanism for a safety pin of a tower crane comprises a standard joint, a sleeve frame, a lower rotary part, a fishplate, the safety pin, a hydraulic cylinder, a connecting seat and a pin shaft; a sleeve frame is arranged outside the standard joint, the top of the sleeve frame is provided with a lower rotary part, and two sides of the tops of four angle steel columns of the standard joint are provided with fishplates. The utility model discloses because the round pin is beaten automatically, when high altitude construction, safe and reliable more, though increased pneumatic cylinder and support, nevertheless save the cost of labor.
Description
Technical Field
The utility model belongs to the technical field of tower machine safety, especially, relate to an automatic mechanism of drawing of tower machine safety pin.
Background
The safety pin of the tower crane is a connecting pin shaft of the lower slewing, the sleeve frame and the standard joint of the tower crane, the pin shaft is manually driven out or driven into the platform during jacking or lowering, the safety pin needs to be frequently disassembled and assembled every time of jacking or lowering, the requirement on personnel and the performance requirement on the tower crane are high, and during assembly, the safety pin needs to be manually driven into the connecting hole by an iron hammer, so that the sleeve frame, the lower slewing and the standard joint of the tower crane are connected.
The working environment of the tower crane is complex, particularly when the lifting is added or reduced, the personnel safety is difficult to guarantee in complex working conditions, the quality of professionals is difficult to guarantee, the performance requirement on the pin shaft of the tower crane is high, the requirement on the damage resistance is high in knocking, and the operation of workers is inconvenient.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a ladder stand which saves labor cost, cost of a sleeve frame platform and cost of a ladder stand; and meanwhile, the pin is pulled out or inserted, so that the stress of the sleeve frame is more stable, the use stability of the sleeve frame is improved, the service life of the sleeve frame is prolonged, and the safety pin automatic pulling mechanism of the tower crane is safer and more reliable in the integral structure of the tower crane.
The utility model is achieved by the following concrete technical means:
an automatic drawing mechanism for a safety pin of a tower crane comprises a standard joint, a sleeve frame, a lower rotary part, a fishplate, the safety pin, a hydraulic cylinder, a connecting seat and a pin shaft; a sleeve frame is arranged outside the standard joint, a lower rotation is arranged at the top of the sleeve frame, fishplates are arranged on two sides of the tops of four angle steel columns of the standard joint, pin holes are formed in the fishplates, and an angle steel plate at the bottom of the lower rotation is clamped into the fishplates and is provided with corresponding pin holes; the top of the outer side of the sleeve frame is provided with a hydraulic cylinder, the output end of the hydraulic cylinder is provided with a connecting seat, the connecting seat is connected with a safety pin through a pin shaft, and the safety pin is correspondingly matched with the pin hole.
Furthermore, the connecting seat is connected with one end of the safety pin through a universal joint.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model is more safe and reliable during high-altitude operation due to automatic pin beating, and saves labor cost, cost of a sleeving frame platform and cost of a ladder stand although a hydraulic cylinder and a bracket are added; meanwhile, when the safety pin is knocked or pulled out, the pin is pulled out or pushed into the four corner steel columns simultaneously, so that the stress of the sleeve frame is more stable, the use stability of the sleeve frame is improved, the service life of the sleeve frame is prolonged, and the integral structure of the tower crane is safer and more reliable.
Drawings
Fig. 1 is a schematic diagram of a conventional safety pin plugging structure.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is an enlarged schematic view of a in fig. 2 according to the present invention.
Fig. 4 is an enlarged schematic view of the connecting seat of the present invention.
The labels in the figures are: 1-standard joint, 2-set frame, 3-manual platform, 4-downward rotation, 5-fishplate, 6-pin hole, 7-safety pin, 8-hydraulic cylinder, 9-connecting seat, 10-pin shaft and 11-universal joint.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Examples
An automatic drawing mechanism for a safety pin of a tower crane is shown in figures 1-4 and comprises a standard joint 1, a sleeve frame 2, a lower rotary 4, a fishplate 5, a safety pin 7, a hydraulic cylinder 8, a connecting seat 9 and a pin shaft 10; a sleeve frame 2 is arranged outside the standard joint 1, a lower turning 4 is arranged at the top of the sleeve frame 2, fishplates 5 are arranged on two sides of the tops of four angle steel columns of the standard joint 1, pin holes 6 are formed in the fishplates 5, an angle steel plate at the bottom of the lower turning 4 is clamped into the fishplates 5, and corresponding pin holes 6 are formed in the angle steel plate; the top of the outer side of the sleeve frame 2 is provided with a hydraulic cylinder 8, the output end of the hydraulic cylinder 8 is provided with a connecting seat 9, the connecting seat 9 is connected with a safety pin 7 through a pin shaft 10, and the safety pin 7 is correspondingly matched with the pin hole 6.
Wherein, the connecting seat 9 is connected with one end of the safety pin 7 through a universal joint 11.
The connecting seat 9 is installed on the hydraulic cylinder 8 through threads, the safety pin 7 is installed on the connecting seat 9 through the pin shaft 10, when the lifting or the lowering is carried out, the hydraulic cylinder 8 is started to drive the connecting seat 9, the safety pin 7 is in contact with the pin hole 6, the safety pin 7 is automatically aligned within the tolerance range through the universal joint 11, the safety pin 7 can be driven into the pin hole 6 in the front, and therefore the lower rotary part 4 is connected with the standard joint 1. Or when the safety pin 7 is required to be separated, the hydraulic cylinder 8 is started to drive the connecting seat 9 to pull the safety pin 7 out of the pin hole 6, so that the lower rotary part 4 is separated from the standard knot 1.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (2)
1. An automatic drawing mechanism for a safety pin of a tower crane is characterized by comprising a standard joint (1), a sleeve frame (2), a lower rotary body (4), a fishplate (5), a safety pin (7), a hydraulic cylinder (8), a connecting seat (9) and a pin shaft (10); a sleeve frame (2) is arranged outside the standard joint (1), a lower rotary mechanism (4) is arranged at the top of the sleeve frame (2), fishplates (5) are arranged on two sides of the tops of four angle steel columns of the standard joint (1), pin holes (6) are formed in the fishplates (5), an angular steel plate at the bottom of the lower rotary mechanism (4) is clamped into the fishplates (5), and corresponding pin holes (6) are formed in the angular steel plate; the top of the outer side of the sleeve frame (2) is provided with a hydraulic cylinder (8), the output end of the hydraulic cylinder (8) is provided with a connecting seat (9), the connecting seat (9) is connected with a safety pin (7) through a pin shaft (10), and the safety pin (7) is correspondingly matched with the pin hole (6).
2. The automatic pulling mechanism of the safety pin of the tower crane according to claim 1, characterized in that the connecting base (9) is connected with one end of the safety pin (7) through a universal joint (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120342755.5U CN214359904U (en) | 2021-02-04 | 2021-02-04 | Automatic drawing mechanism for safety pin of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120342755.5U CN214359904U (en) | 2021-02-04 | 2021-02-04 | Automatic drawing mechanism for safety pin of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214359904U true CN214359904U (en) | 2021-10-08 |
Family
ID=77964275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120342755.5U Active CN214359904U (en) | 2021-02-04 | 2021-02-04 | Automatic drawing mechanism for safety pin of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214359904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031006A (en) * | 2021-11-09 | 2022-02-11 | 中科骊久(济南)建筑机器人有限公司 | Rapid fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
-
2021
- 2021-02-04 CN CN202120342755.5U patent/CN214359904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031006A (en) * | 2021-11-09 | 2022-02-11 | 中科骊久(济南)建筑机器人有限公司 | Rapid fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
| CN114031006B (en) * | 2021-11-09 | 2024-02-13 | 中科骊久(济南)机器人有限公司 | Quick fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214359904U (en) | Automatic drawing mechanism for safety pin of tower crane | |
| CN202499668U (en) | Anti-removing jacking cross beam of tower crane | |
| CN219033978U (en) | Split type assembled outer protection frame for prefabricated outer wall engineering | |
| CN201914865U (en) | Pin shaft easy to assemble and disassemble | |
| CN211729009U (en) | Portable horse head pin disassembling tool | |
| CN211813185U (en) | Detachable rig jacking device | |
| CN212265698U (en) | Guide vane shaft middle shaft sleeve dismantling tool | |
| CN210481425U (en) | Blast furnace hydraulic power-assisted dismounting middle sleeve device | |
| CN210658346U (en) | Steel-pipe pile auxiliary device | |
| CN210559089U (en) | Special jack for maintaining air jet loom | |
| CN210678538U (en) | Frock is dismantled to subdivision formula centrifugal compressor baffle | |
| CN210507444U (en) | A positioner for pile foundation construction | |
| CN113027835A (en) | Hydraulic cylinder for disassembling and assembling tower crane pin shaft by using jacking hydraulic pump station | |
| CN214007718U (en) | Tower crane standard festival pin shaft prevents moving back device | |
| CN113944487A (en) | Shield constructs contact passageway section of jurisdiction bearing structure | |
| CN102602833B (en) | Anti-release jacking cross beam of tower crane | |
| CN107724390B (en) | Hydraulic pile driving hammer | |
| CN111706272A (en) | Detachable elevator anti-tilting device and rotary drilling rig elevator construction method | |
| CN205419594U (en) | Tower machine standard festival flexible connection structure | |
| CN219156358U (en) | Tower crane connecting device | |
| CN206666055U (en) | A kind of suspension operational platform | |
| CN218058234U (en) | Tower crane jib loading boom chord round pin anticreep device | |
| CN221020828U (en) | Movable guide vane crank arm dismantling device | |
| CN219967846U (en) | Truss spliced pin shaft dismantling auxiliary device | |
| CN215516442U (en) | Auxiliary arm with bidirectional locking mechanism and crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |