CN220537368U - High hanging type safety rope device for crawler crane arm support - Google Patents
High hanging type safety rope device for crawler crane arm support Download PDFInfo
- Publication number
- CN220537368U CN220537368U CN202321897372.XU CN202321897372U CN220537368U CN 220537368 U CN220537368 U CN 220537368U CN 202321897372 U CN202321897372 U CN 202321897372U CN 220537368 U CN220537368 U CN 220537368U
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- pin shaft
- rod
- crawler crane
- connecting support
- safety rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a high-hanging type safety rope device for a crawler crane arm support, wherein a first connecting support and a second connecting support are arranged on the crawler crane arm support, the first connecting support is connected with a first upright rod of a telescopic structure, and the first upright rod is connected with one end of a inhaul cable; the second connecting support is connected with the second upright rod of the telescopic structure, and the second upright rod is connected with the other end of the inhaul cable; the inhaul cable comprises a steel wire rope, rope ends and turnbuckles, the rope ends are arranged at two ends of the steel wire rope, and the rope ends are connected with the first upright rod and the second upright rod. The length of the inhaul cable can be properly adjusted; the mode of switching the upright rods at the two sides of the safety rope from the working state to the transportation state is safe, simple and quick; the operation requirements of different heights are met through the telescopic vertical rod.
Description
Technical Field
The utility model relates to a safety device, in particular to a high-hanging type safety rope device for a crawler crane arm support.
Background
The crawler crane is a mobile crane which is provided with a lifting operation part on a crawler chassis and walks by means of a crawler device. The boom for the crawler crane is usually required to be safely protected when the height of the boom is more than 2 m. Besides the step device on the upper surface of the arm support, a safety rope device is added to part of products. When an operator walks or works on the walking platform, the safety belt is hung on the safety rope to ensure safety.
Most of the existing products use high-hanging type safety rope devices, and the high-hanging type safety rope devices can be switched from a working state to a transportation state, but the operation mode is complicated, and time and labor are not saved. And the length of the safety rope stay rope can not be adjusted, when the stay rope is too close to the upper surface of the arm support after being hung down, the operator can not be effectively protected, and the falling risk can possibly occur. In addition, the height of the upright posts at two sides of the safety rope is fixed, so that the operation requirements of different crowds in different occasions are difficult to meet.
Disclosure of Invention
The utility model aims to: aiming at the defects and shortcomings of the prior art, the utility model provides the high-hanging type safety rope device for the crawler crane arm support, and the length of a inhaul cable can be properly adjusted; the mode of switching the upright rods at the two sides of the safety rope from the working state to the transportation state is safe, simple and quick; the operation requirements of different heights are met through the telescopic vertical rod.
The technical scheme is as follows: the utility model relates to a high hanging type safety rope device for a crawler crane arm support, which is characterized in that: a first connecting support and a second connecting support are arranged on the crawler crane arm support, the first connecting support is connected with a first upright rod of the telescopic structure, and the first upright rod is connected with one end of a guy cable; the second connecting support is connected with the second upright rod of the telescopic structure, and the second upright rod is connected with the other end of the inhaul cable; the inhaul cable comprises a steel wire rope, rope ends and turnbuckles, the rope ends are arranged at two ends of the steel wire rope, and the rope ends are connected with the first upright rod and the second upright rod.
The first vertical rod comprises an external loop bar and an internal core bar, the loop bar is connected with the first connecting support through a first pin shaft, 3 pin shaft holes are formed in the first connecting support, and the middle pin shaft hole is a necessary connecting hole.
The sleeve rod of the first upright rod is connected with the core rod through a pin shaft III, a plurality of pin shaft holes are formed in the sleeve rod, and a plurality of hooks are arranged on the sleeve rod.
The end part of the core rod of the first upright rod is provided with a fourth pin shaft and a clip, the lug plate of the end part of the core rod is provided with 2 pin shaft holes, and the end part of the core rod is connected with the rope head.
The second vertical rod comprises an external loop bar and an internal core bar, the loop bar is connected with the second connecting support through a second pin shaft, 3 pin shaft holes are formed in the second connecting support, and the middle pin shaft hole is a necessary connecting hole.
The sleeve rod of the second vertical rod is connected with the core rod through a third pin shaft, a plurality of pin shaft holes are formed in the sleeve rod, and a plurality of hooks are arranged on the sleeve rod.
The end part of the core rod of the second upright rod is provided with a fourth pin shaft and a clip, and the lug plate of the end part of the core rod is provided with 2 pin shaft holes.
The beneficial effects are that: compared with the prior art, the utility model has the following remarkable advantages: the length of the inhaul cable of the safety rope device can be properly adjusted; the mode of switching the upright rods at the two sides of the safety rope from the working state to the transportation state is safe, simple and quick; the operation requirements of operators at different heights are met. The utility model breaks through the limitation of the prior art, meets the operation demands of different heights through the telescopic upright rod, can adjust the inhaul cable, improves the universality and the operation safety of parts, and is more convenient for operation and transportation.
Drawings
FIG. 1 is a schematic diagram of a prior art safety rope arrangement for a crawler crane boom;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the first pole of the present utility model in an extended state;
FIG. 4 is a schematic view of the structure of the first pole of the present utility model in a contracted state;
FIG. 5 is a schematic view of the cable of the present utility model;
FIG. 6 is a schematic diagram showing the change of the working state to the transportation state according to the present utility model;
in the figure, 1 is a guy cable; 2 is a first upright rod; 3 is a first connecting support; 4 is a pin shaft I; 5 is a core bar; 6 is a pin shaft III; 7 is a loop bar; 8 is a hook; 9 is a second upright rod; 10 is a second connecting support; 11 is a pin II; 12 is a pin roll IV; 13 is a clip; 14 is a steel wire rope; 15 is a turnbuckle; 16 is the rope end.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, a safety rope device for a crawler crane boom in the prior art. The safety rope adopts a high hanging type, and upright rods at two sides are fixedly connected to the end part of the arm support through pin shafts. In the transportation state, one end of the upright rod is rotatably arranged on the upper surface of the arm support, and the other end of the upright rod is lowered to the bottom. The prior art has the following problems: 1) The high hanging type safety rope device adopted in the prior art can facilitate the walking operation of operators on the arm support, but the heights of the upright rods at two sides cannot be adjusted, so that the requirements of operations at different heights cannot be met. 2) The length of the safety rope cannot be adjusted, the universality of the same-length arm joint among different products is poor, the safety rope stay rope can be too loose when the safety rope stay rope is used barely, and the safety of operators cannot be ensured. 3) When the two side uprights work and the transportation state are switched, one end upright is required to be manually pulled up or put down, and the operation is quite laborious.
The high hanging type safety rope device for the crawler crane arm support is characterized in that a first connecting support 3 and a second connecting support 10 are arranged on the crawler crane arm support, the first connecting support 3 is connected with a first upright rod 2 of a telescopic structure, and the first upright rod 2 is connected with one end of a guy rope 1; the second connecting support 10 is connected with a second upright rod 9 of the telescopic structure, and the second upright rod 9 is connected with the other end of the inhaul cable 1; the inhaul cable 1 comprises a steel wire rope 14, rope ends 16 and turnbuckles 15, the rope ends 16 are arranged at two ends of the steel wire rope 14, and the rope ends 16 are connected with the first upright rod 2 and the second upright rod 9. The safety rope device comprises a first connecting support 3 and a second connecting support 10 at two ends, a first upright rod 2 and a second upright rod 9 at two ends, a guy rope 1 and a pin shaft and a clip for related connection.
The first upright rod 2 comprises an external loop bar 7 and an internal core bar 5, the loop bar 7 is connected with the first connecting support 3 through a first pin shaft 4, the first connecting support 3 is provided with 3 pin shaft holes, and the middle pin shaft hole is a necessary connecting hole. The loop bar 7 of the upright post I2 is connected with the core bar 5 through a pin shaft III 6, a plurality of pin shaft holes are formed in the loop bar 7, and a plurality of hooks 8 are arranged on the loop bar 7. The end part of the core rod 5 of the upright rod I2 is provided with a pin shaft IV 12 and a clip 13, the lug plate at the end part of the core rod 5 is provided with 2 pin shaft holes, and the end part of the core rod 5 is connected with a rope head 16.
The second vertical rod 9 comprises an external loop bar 7 and an internal core bar 5, the loop bar 7 is connected with a second connecting support 10 through a second pin shaft 11, the second connecting support 10 is provided with 3 pin shaft holes, and the middle pin shaft hole is a necessary connecting hole. The loop bar 7 of the second upright bar 9 is connected with the core bar 5 through a third pin shaft 6, a plurality of pin shaft holes are formed in the loop bar 7, and a plurality of hooks 8 are arranged on the loop bar 7. The end part of the core rod 5 of the upright rod II 9 is provided with a pin shaft IV 12 and a clip 13, and the lug plate at the end part of the core rod 5 is provided with 2 pin shaft holes.
The first connecting support 3 is provided with a pin shaft hole connected with the first vertical rod 2, the middle pin shaft hole is a pin shaft hole which is necessary to be connected, and the other two pin shaft holes are respectively used in the working and transportation states of the vertical rod. The pole setting I2 can be split into a core rod 5 and a loop bar 7, a plurality of pin shaft holes are arranged between the core rod 5 and the loop bar 7 to realize the pole setting telescoping function, a plurality of hooks 8 are arranged on the loop bar 7, and the hooks 8 are fixed on the loop bar 7 through welding. The top of the upright post I2 (or the upright post II 9) is provided with an ear plate for connecting the stay cable 1, as shown in fig. 3, the ear plate at the end part of the core rod 5 is provided with 2 pin shaft holes, wherein the pin shaft hole close to the inner side of the arm section is used for connecting the stay cable of the arm section, the pin shaft hole at the outer side can be used for connecting the stay cable of the adjacent arm section, the number of the upright posts is reduced, and the cost of the arm support is reduced.
When in use, the utility model is characterized in that: the folding method comprises the steps of installing the safety rope device in a working state and folding the safety rope device in a transportation state:
installation of the safety rope device in the working state: before use, the guy cable 1 is unfolded, a pin shaft one 4 (in a transportation state before use, the pin shaft one 4 and a pin shaft two 11 are arranged in pin shaft holes in the horizontal positions of the connection support one 3 and the connection support two 10) on the connection support one 3 at one end of the arm support is taken down, so that the upright rod one 2 can rotate around the pin shaft to a designated position, and after the upright rod one 2 reaches the designated position, the installation state is shown in fig. 2 by utilizing the taken down pin shaft one 4 for installation and fixation. According to the same method, the second pin shaft 11 at the other end of the arm support, which is connected with the second support 10, is taken down, the second upright rod 9 rotates around the second pin shaft to a designated position, the second pin shaft 11 is taken down for fixing, and finally the state shown at the right end of fig. 2 is reached. And (3) adjusting the height of the first upright rod 2 (or the second upright rod 9) of the safety rope, taking down the pin shafts on the upright rods, which are connected with the core rod 5 and the sleeve rod 7, and fixing the core rod 5 of the first upright rod 2 by using the taken-down 2 pin shafts after extending to a designated position. Considering the safety of personnel, the underslung size of the cable needs to be controlled, and the operator can adjust the length of the cable by rotating the turnbuckle 15 mounted on the cable 1.
Folding of the safety line device in the transport state: the arm support transportation has strict requirements on width and height, an operator needs to take down the connecting pin shafts connecting the loop bar 7 and the core bar 5 on the first upright rod 2 at one end of the arm support, put the core bar 5 back down to the designated position of the loop bar 7, pass through the 2 connecting pin shafts for fixing, and then put the core bar 5 in the second upright rod 9 at the other end back to the designated position of the loop bar 7. And then the upright rods at the two ends are rotated to the surface of the arm support in sequence through a pin shaft inserting and pulling mode, and the arm support is fixed through the pin shaft. And finally, the redundant parts of the inhaul cable are fixed on the first upright pole 2 and the second upright pole 9 through the hooks 8, so that the inhaul cable is prevented from freely swinging during transportation.
In fig. 6, the process of switching the safety line device from the operating state to the transport state is shown. In the working state, the pin shaft I4 is taken down, the safety rope vertical rod I2 is rotated to the upper surface of the arm support clockwise (as shown in the left side of fig. 6), and the taken down pin shaft I4 is arranged on the other hole of the connecting support I3 for fixing the vertical rod. And the second pin shaft 11 is taken down, the second safety rope vertical rod 9 is rotated anticlockwise (as shown in the right side of fig. 6) to the upper surface of the arm support, and the second taken down pin shaft 11 is arranged on the other hole of the second connecting support 10 for fixing the vertical rod. To save space, the pole can be converted to a collapsed state as shown in fig. 4.
Claims (7)
1. The utility model provides a crawler crane cantilever crane is with high string type safety rope device which characterized in that: a first connecting support (3) and a second connecting support (10) are arranged on a crawler crane arm support, the first connecting support (3) is connected with a first upright rod (2) of a telescopic structure, and the first upright rod (2) is connected with one end of a guy cable (1); the second connecting support (10) is connected with a second vertical rod (9) of the telescopic structure, and the second vertical rod (9) is connected with the other end of the inhaul cable (1); the inhaul cable (1) comprises a steel wire rope (14), rope ends (16) and turnbuckles (15), the rope ends (16) are arranged at two ends of the steel wire rope (14), and the rope ends (16) are connected with a first upright rod (2) and a second upright rod (9).
2. The high-hanging safety rope device for a crawler crane boom according to claim 1, wherein: the first vertical rod (2) comprises an external loop bar (7) and an internal core bar (5), the loop bar (7) is connected with the first connecting support (3) through a first pin shaft (4), the first connecting support (3) is provided with 3 pin shaft holes, and the middle pin shaft hole is a necessary connecting hole.
3. The high-hanging safety rope device for a crawler crane boom according to claim 2, wherein: the sleeve rod (7) of the upright rod I (2) is connected with the core rod (5) through the pin shaft III (6), a plurality of pin shaft holes are formed in the sleeve rod (7), and a plurality of hooks (8) are arranged on the sleeve rod (7).
4. A high hitch safety rope apparatus for a crawler crane boom according to claim 3, characterized in that: the end part of the core bar (5) of the first upright rod (2) is provided with a fourth pin shaft (12) and a clip (13), the lug plate at the end part of the core bar (5) is provided with 2 pin shaft holes, and the end part of the core bar (5) is connected with a rope end (16).
5. The high-hanging safety rope device for a crawler crane boom according to claim 1, wherein: the second vertical rod (9) comprises an external loop bar (7) and an internal core bar (5), the loop bar (7) is connected with the second connecting support (10) through a second pin shaft (11), the second connecting support (10) is provided with 3 pin shaft holes, and the middle pin shaft holes are necessary connecting holes.
6. The high-hanging safety rope device for a crawler crane boom according to claim 5, wherein: the sleeve rod (7) of the second vertical rod (9) is connected with the core rod (5) through the third pin shaft (6), a plurality of pin shaft holes are formed in the sleeve rod (7), and a plurality of hooks (8) are arranged on the sleeve rod (7).
7. The high-hanging safety rope device for a crawler crane boom according to claim 6, wherein: the end part of the core bar (5) of the second upright rod (9) is provided with a fourth pin shaft (12) and a clip (13), and the lug plate at the end part of the core bar (5) is provided with 2 pin shaft holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321897372.XU CN220537368U (en) | 2023-07-19 | 2023-07-19 | High hanging type safety rope device for crawler crane arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321897372.XU CN220537368U (en) | 2023-07-19 | 2023-07-19 | High hanging type safety rope device for crawler crane arm support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537368U true CN220537368U (en) | 2024-02-27 |
Family
ID=89972217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321897372.XU Active CN220537368U (en) | 2023-07-19 | 2023-07-19 | High hanging type safety rope device for crawler crane arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537368U (en) |
-
2023
- 2023-07-19 CN CN202321897372.XU patent/CN220537368U/en active Active
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