CN220376203U - Combined pin pulling structure - Google Patents
Combined pin pulling structure Download PDFInfo
- Publication number
- CN220376203U CN220376203U CN202322282300.0U CN202322282300U CN220376203U CN 220376203 U CN220376203 U CN 220376203U CN 202322282300 U CN202322282300 U CN 202322282300U CN 220376203 U CN220376203 U CN 220376203U
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- China
- Prior art keywords
- assembled
- pin
- arm section
- pin pulling
- screw rod
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- 238000003466 welding Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a combined pin pulling structure, which comprises a structure body, wherein the structure body comprises a screw rod, the middle part of the screw rod is connected with an assembly baffle, one end part of the screw rod is connected with a bolt through a second clip and a second pin roll, and the bolt is connected with the first pin roll and the first clip through nuts; the other end of the screw rod is sequentially connected with the pin pulling oil cylinder and the pin pulling lug plate. The pin pulling device is simple in structure and convenient to operate, the pin pulling structure is divided into two parts in a pin shaft connection mode, the requirement of quick assembly and disassembly can be met, and the working efficiency is improved.
Description
Technical Field
The utility model relates to an arm support of a crawler crane, in particular to a combined pin pulling structure.
Background
In order to meet the requirements of large engineering projects such as domestic petroleum, petrochemical industry, wind power, nuclear power, steel and the like on the hoisting of oversized equipment, the crawler crane is increasingly developed towards the oversized direction. The arm support system is a key bearing structural member of the hoisting equipment, and the arm support is a truss structure for hoisting a heavy object to a certain height and amplitude. In order to improve the bearing capacity of the boom system, the cross section size of the boom needs to be increased, but the cross section of the boom is limited by the height and width of road transportation, so that the combined boom becomes the best scheme for solving the problem.
Compared with the traditional integrated welding arm support, the combined arm support enables the design of the arm support not to be limited by factors such as transport size and transport weight, and the bearing capacity of the arm support can be improved in a multiplied mode. The existing plug pin structure is bound with the arm support, is suitable for an integrally welded arm support, cannot be flexibly disassembled and assembled, needs to be transported along with the arm support during transportation, and cannot meet the requirements of flexible disassembly and separation transportation of the combined arm support.
The existing pin pulling structure cannot meet the requirement of independent transportation of the combined arm support, so that the existing pin pulling structure needs to be redesigned to meet the requirements of convenience in disassembly and transportation of the combined arm support.
Disclosure of Invention
The utility model aims to: aiming at the defects and shortcomings of the prior art, the utility model provides the combined pin pulling structure which is simple in structure and convenient to operate, and the pin pulling structure is divided into two parts in a pin shaft connection mode, so that the requirements of quick assembly and disassembly can be met, and the working efficiency is improved.
The technical scheme is as follows: the utility model relates to a combined pin pulling structure, which is characterized in that: the structure comprises a screw, the middle part of the screw is connected with an assembly baffle, one end part of the screw is connected with a bolt through a second clamp and a second pin shaft, and the bolt is connected with the first pin shaft and the first clamp through nuts; the other end of the screw rod is sequentially connected with the pin pulling oil cylinder and the pin pulling lug plate.
The end part of the screw rod is provided with a through hole for the pin shaft II to pass through.
The structure body is positioned at 4 corners of the assembled arm section IV of the combined arm support, the number of the structure body is 4, 2 of the structure bodies are connected with the assembled arm section I, and the other 2 of the structure bodies are connected with the assembled arm section III.
The combined arm support comprises a first assembled arm section and a third assembled arm section, wherein the two end parts of the first assembled arm section and the third assembled arm section are respectively connected through a second assembled arm section and a fourth assembled arm section, and a plurality of assembled web members are arranged between the first assembled arm section and the third assembled arm section.
The structure body is connected with the first assembled arm section through the first clamp and the first pin shaft.
The assembly baffle plate of the structure body is connected with the assembly type arm joint IV through a fixing bolt.
The pin pulling lug plate of the structure body is connected with the assembled arm joint IV through welding substances.
The beneficial effects are that: compared with the prior art, the utility model has the following remarkable advantages: the utility model solves the problem that the existing combined arm support pin pulling structure is inconvenient to assemble, disassemble and transport. The pin pulling mechanism is simple in structure and convenient to operate, the pin pulling structure is divided into two parts in a pin shaft connection mode, the requirement of quick assembly and disassembly can be met, and the working efficiency is improved. The pin pulling structure after separation can be bound with the adjacent assembly type arm joint, so that the transportation is convenient. The problem that the pin pulling structure is difficult to separate when the combined arm support is disassembled is solved, assembly parts which need to be disassembled are few, the universality is strong, and the maintenance is easy.
Drawings
FIG. 1 is a state diagram showing the connection state of the combined pin pulling structure of the present utility model;
FIG. 2 is a view showing a use state of the split state of the combined pin pulling structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
in the figure, 1 is a structure; 2 is an assembled arm section I; 3 is an assembled web member; 4 is an assembled arm joint II; 5 is an assembled arm joint III; 6 is an assembled arm joint IV; 7 is a first clip; 8 is a pin shaft I; 9 is a nut; 10 is a bolt; 11 is a second clip; 12 is a pin II; 13 is an assembly baffle; 14 is a screw; 15 is a pin pulling cylinder; and 16 is a pin pulling lug plate.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and the specific embodiments.
The combined pin pulling structure comprises a screw 14, wherein the middle part of the screw 14 is connected with an assembly baffle 13, one end part of the screw 14 is connected with a bolt 10 through a second clip 11 and a second pin roll 12, and the bolt 10 is connected with a first pin roll 8 and a first clip 7 through a nut 9; the other end of the screw 14 is connected with a pin pulling cylinder 15 and a pin pulling lug plate 16 in sequence. Wherein, the end of the screw 14 is provided with a through hole for the pin shaft II 12 to pass through. The structural body 1 is positioned at 4 corners of the assembled arm joint IV 6 of the combined arm support, the number of the structural body 1 is 4, 2 of the structural bodies are connected with the assembled arm joint I2, and the other 2 structural bodies are connected with the assembled arm joint III 5. The combined arm support comprises a first assembled arm section 2 and a third assembled arm section 5, wherein the two end parts of the first assembled arm section 2 and the third assembled arm section 5 are respectively connected through a second assembled arm section 4 and a fourth assembled arm section 6, and a plurality of assembled web members 3 are arranged between the first assembled arm section 2 and the third assembled arm section 5. The structure body 1 is connected with the assembled arm section I2 through the clip I7 and the pin I8. The assembly baffle 13 of the structure body 1 is connected with the assembly type arm joint IV 6 through a fixing bolt. The pin pulling lug 16 of the structure 1 is connected with the assembled arm segment four 6 through welding substances.
As shown in fig. 1 and 2, the assembled web member 3 is used to connect the assembled arm segment one 2 and the assembled arm segment three 5. The assembled arm joint II 4 and the assembled arm joint IV 6 are used for connecting the assembled arm joint I2 and the assembled arm joint III 5. The first assembled arm segment 2, the assembled web member 3, the second assembled arm segment 4, the third assembled arm segment 5 and the fourth assembled arm segment 6 can be transported independently. The combined pin pulling structure is used for being transported along with the assembled structure after being separated.
According to the combined type pin pulling structure, when the pin pulling structure is required to be separated in a transportation state, the first clamp 7, the first pin shaft 8, the nut 9 and the bolt 10 are connected to the first assembled arm segment 2 through the first pin shaft 8 and the first clamp 7. In the second clip 11, the second pin shaft 12 and the screw 14, one end of the screw 14 is provided with a through hole, and the screw is connected with one end of the bolt 10 through the second pin shaft 12. When the pin pulling operation is performed, the other end of the screw 14 is connected with a pin pulling cylinder 15. The assembled baffle 13 is connected to the assembled arm joint IV 6 through a fixed bolt. When the transportation state needs to be separated, the second clamp 11, the second pin shaft 12 and the screw 14 are connected to the assembly baffle 13, and the screw 14 is prevented from falling off during transportation through the second pin shaft 12 and the second clamp 11. The pin pulling lug plate 16 is fixed on the transverse web member of the assembled arm joint four 6 in a welding mode. One end of the pin pulling cylinder 15 is connected with a pin pulling lug plate 16 through a pin shaft.
The pin pulling mechanism is simple in structure and convenient to operate, the pin pulling structure is divided into two parts in a pin shaft connection mode, the requirement of quick assembly and disassembly can be met, and the working efficiency is improved. The pin pulling structure after separation can be bound with the adjacent assembly type arm joint, so that the transportation is convenient. The problem that the pin pulling structure is difficult to separate when the combined arm support is disassembled is solved, assembly parts which need to be disassembled are few, the universality is strong, and the maintenance is easy.
Claims (6)
1. The utility model provides a modular pull out round pin structure which characterized in that: the structure comprises a structure body (1), wherein the structure body (1) comprises a screw rod (14), the middle part of the screw rod (14) is connected with an assembly baffle (13), one end part of the screw rod (14) is connected with a bolt (10) through a second clip (11) and a second pin roll (12), and the bolt (10) is connected with a first pin roll (8) and a first clip (7) through a nut (9); the other end of the screw rod (14) is sequentially connected with a pin pulling oil cylinder (15) and a pin pulling lug plate (16).
2. The modular pin pulling structure of claim 1, wherein: the end part of the screw rod (14) is provided with a through hole for the pin shaft II (12) to pass through.
3. The modular pin pulling structure of claim 1, wherein: the structural body (1) is positioned at 4 corners of a fourth assembled arm section (6) of the combined arm support, the number of the structural bodies (1) is 4, 2 of the structural bodies are connected with a first assembled arm section (2), and the other 2 structural bodies are connected with a third assembled arm section (5).
4. A modular pin pulling structure according to claim 3, wherein: the combined arm support comprises a first assembled arm section (2) and a third assembled arm section (5), wherein the end parts of the two ends of the first assembled arm section (2) and the third assembled arm section (5) are respectively connected through a second assembled arm section (4) and a fourth assembled arm section (6), and a plurality of assembled web members (3) are arranged between the first assembled arm section (2) and the third assembled arm section (5).
5. The modular pin pulling structure of claim 4, wherein: the structural body (1) is connected with the assembled arm section I (2) through the clamp I (7) and the pin shaft I (8).
6. The modular pin pulling structure of claim 4, wherein: the assembly baffle (13) of the structure body (1) is connected with the assembly arm section IV (6) through a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282300.0U CN220376203U (en) | 2023-08-24 | 2023-08-24 | Combined pin pulling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282300.0U CN220376203U (en) | 2023-08-24 | 2023-08-24 | Combined pin pulling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220376203U true CN220376203U (en) | 2024-01-23 |
Family
ID=89567808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322282300.0U Active CN220376203U (en) | 2023-08-24 | 2023-08-24 | Combined pin pulling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220376203U (en) |
-
2023
- 2023-08-24 CN CN202322282300.0U patent/CN220376203U/en active Active
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